merge with trunk r39216

106 files changed, 3365 insertions, 2164 deletions

diff --git a/source/blender/blenkernel/BKE_curve.h b/source/blender/blenkernel/BKE_curve.h
index 0491116d199..557ce417b14 100644
--- a/source/blender/blenkernel/BKE_curve.h
+++ b/source/blender/blenkernel/BKE_curve.h
@@ -115,5 +115,6 @@ int minmax_curve(struct Curve *cu, float min[3], float max[3]);
 int curve_center_median(struct Curve *cu, float cent[3]);
 int curve_center_bounds(struct Curve *cu, float cent[3]);
 void curve_translate(struct Curve *cu, float offset[3], int do_keys);
+void curve_delete_material_index(struct Curve *cu, int index);
 #endif
 
diff --git a/source/blender/blenkernel/BKE_global.h b/source/blender/blenkernel/BKE_global.h
index d21b0428d76..17876c6ec9d 100644
--- a/source/blender/blenkernel/BKE_global.h
+++ b/source/blender/blenkernel/BKE_global.h
@@ -92,9 +92,6 @@ typedef struct Global {
     
 	/* save the allowed windowstate of blender when using -W or -w */
 	int windowstate;
-
-	/* ndof device found ? */
-	int ndofdevice;
 } Global;
 
 /* **************** GLOBAL ********************* */
@@ -174,5 +171,3 @@ extern Global G;
 #endif
 	
 #endif
-
-
diff --git a/source/blender/blenkernel/BKE_material.h b/source/blender/blenkernel/BKE_material.h
index c445408609c..88965d12e4a 100644
--- a/source/blender/blenkernel/BKE_material.h
+++ b/source/blender/blenkernel/BKE_material.h
@@ -78,7 +78,7 @@ int object_remove_material_slot(struct Object *ob);
 
 /* rna api */
 void material_append_id(struct ID *id, struct Material *ma);
-struct Material *material_pop_id(struct ID *id, int index);
+struct Material *material_pop_id(struct ID *id, int index, int remove_material_slot);
 
 /* rendering */
 
diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c
index d9c98bc0200..62b8830de20 100644
--- a/source/blender/blenkernel/intern/DerivedMesh.c
+++ b/source/blender/blenkernel/intern/DerivedMesh.c
@@ -1883,7 +1883,9 @@ static void mesh_calc_modifiers(Scene *scene, Object *ob, float (*inputVertexCos
 			
 			/* set the DerivedMesh to only copy needed data */
 			mask= (CustomDataMask)GET_INT_FROM_POINTER(curr->link);
-			DM_set_only_copy(dm, mask);
+			/* needMapping check here fixes bug [#28112], otherwise its
+			 * possible that it wont be copied */
+			DM_set_only_copy(dm, mask | (needMapping ? CD_MASK_ORIGINDEX : 0));
 			
 			/* add cloth rest shape key if need */
 			if(mask & CD_MASK_CLOTH_ORCO)
diff --git a/source/blender/blenkernel/intern/blender.c b/source/blender/blenkernel/intern/blender.c
index 8b4bbbd3c83..7e2097d1233 100644
--- a/source/blender/blenkernel/intern/blender.c
+++ b/source/blender/blenkernel/intern/blender.c
@@ -330,28 +330,45 @@ static int handle_subversion_warning(Main *main)
 	return 1;
 }
 
+static void keymap_item_free(wmKeyMapItem *kmi)
+{
+	if(kmi->properties) {
+		IDP_FreeProperty(kmi->properties);
+		MEM_freeN(kmi->properties);
+	}
+	if(kmi->ptr)
+		MEM_freeN(kmi->ptr);
+}
+
 void BKE_userdef_free(void)
 {
 	wmKeyMap *km;
 	wmKeyMapItem *kmi;
+	wmKeyMapDiffItem *kmdi;
 
-	for(km=U.keymaps.first; km; km=km->next) {
-		for(kmi=km->items.first; kmi; kmi=kmi->next) {
-			if(kmi->properties) {
-				IDP_FreeProperty(kmi->properties);
-				MEM_freeN(kmi->properties);
+	for(km=U.user_keymaps.first; km; km=km->next) {
+		for(kmdi=km->diff_items.first; kmdi; kmdi=kmdi->next) {
+			if(kmdi->add_item) {
+				keymap_item_free(kmdi->add_item);
+				MEM_freeN(kmdi->add_item);
+			}
+			if(kmdi->remove_item) {
+				keymap_item_free(kmdi->remove_item);
+				MEM_freeN(kmdi->remove_item);
 			}
-			if(kmi->ptr)
-				MEM_freeN(kmi->ptr);
 		}
 
+		for(kmi=km->items.first; kmi; kmi=kmi->next)
+			keymap_item_free(kmi);
+
+		BLI_freelistN(&km->diff_items);
 		BLI_freelistN(&km->items);
 	}
 	
 	BLI_freelistN(&U.uistyles);
 	BLI_freelistN(&U.uifonts);
 	BLI_freelistN(&U.themes);
-	BLI_freelistN(&U.keymaps);
+	BLI_freelistN(&U.user_keymaps);
 	BLI_freelistN(&U.addons);
 }
 
diff --git a/source/blender/blenkernel/intern/curve.c b/source/blender/blenkernel/intern/curve.c
index 202a3f28d9a..eb364af6ff8 100644
--- a/source/blender/blenkernel/intern/curve.c
+++ b/source/blender/blenkernel/intern/curve.c
@@ -580,46 +580,47 @@ void addNurbPointsBezier(Nurb *nu, int number)
 /* ~~~~~~~~~~~~~~~~~~~~Non Uniform Rational B Spline calculations ~~~~~~~~~~~ */
 
 
-static void calcknots(float *knots, short aantal, short order, short type)
-/* knots: number of pnts NOT corrected for cyclic */
-/* type;	 0: uniform, 1: endpoints, 2: bezier */
+static void calcknots(float *knots, const short pnts, const short order, const short flag)
 {
+	/* knots: number of pnts NOT corrected for cyclic */
+	const int pnts_order= pnts + order;
 	float k;
-	int a, t;
-
-		t = aantal+order;
-	if(type==0) {
+	int a;
 
-		for(a=0;a<t;a++) {
-			knots[a]= (float)a;
-		}
-	}
-	else if(type==1) {
+	switch(flag & (CU_NURB_ENDPOINT|CU_NURB_BEZIER)) {
+	case CU_NURB_ENDPOINT:
 		k= 0.0;
-		for(a=1;a<=t;a++) {
+		for(a=1; a <= pnts_order; a++) {
 			knots[a-1]= k;
-			if(a>=order && a<=aantal) k+= 1.0f;
+			if(a >= order && a <= pnts) k+= 1.0f;
 		}
-	}
-	else if(type==2) {
-		/* Warning, the order MUST be 2 or 4, if this is not enforced, the displist will be corrupt */
+		break;
+	case CU_NURB_BEZIER:
+		/* Warning, the order MUST be 2 or 4,
+		 * if this is not enforced, the displist will be corrupt */
 		if(order==4) {
 			k= 0.34;
-			for(a=0;a<t;a++) {
+			for(a=0; a < pnts_order; a++) {
 				knots[a]= floorf(k);
 				k+= (1.0f/3.0f);
 			}
 		}
 		else if(order==3) {
 			k= 0.6f;
-			for(a=0;a<t;a++) {
-				if(a>=order && a<=aantal) k+= 0.5f;
+			for(a=0; a < pnts_order; a++) {
+				if(a >= order && a <= pnts) k+= 0.5f;
 				knots[a]= floorf(k);
 			}
 		}
 		else {
 			printf("bez nurb curve order is not 3 or 4, should never happen\n");
 		}
+		break;
+	default:
+		for(a=0; a < pnts_order; a++) {
+			knots[a]= (float)a;
+		}
+		break;
 	}
 }
 
@@ -662,7 +663,7 @@ static void makeknots(Nurb *nu, short uv)
 					calcknots(nu->knotsu, nu->pntsu, nu->orderu, 0);  /* cyclic should be uniform */
 					makecyclicknots(nu->knotsu, nu->pntsu, nu->orderu);
 				} else {
-					calcknots(nu->knotsu, nu->pntsu, nu->orderu, nu->flagu>>1);
+					calcknots(nu->knotsu, nu->pntsu, nu->orderu, nu->flagu);
 				}
 			}
 			else nu->knotsu= NULL;
@@ -675,7 +676,7 @@ static void makeknots(Nurb *nu, short uv)
 					calcknots(nu->knotsv, nu->pntsv, nu->orderv, 0);  /* cyclic should be uniform */
 					makecyclicknots(nu->knotsv, nu->pntsv, nu->orderv);
 				} else {
-					calcknots(nu->knotsv, nu->pntsv, nu->orderv, nu->flagv>>1);
+					calcknots(nu->knotsv, nu->pntsv, nu->orderv, nu->flagv);
 				}
 			}
 			else nu->knotsv= NULL;
@@ -3259,3 +3260,28 @@ void curve_translate(Curve *cu, float offset[3], int do_keys)
 		}
 	}
 }
+
+void curve_delete_material_index(Curve *cu, int index)
+{
+	const int curvetype= curve_type(cu);
+
+	if(curvetype == OB_FONT) {
+		struct CharInfo *info= cu->strinfo;
+		int i;
+		for(i= cu->len-1; i >= 0; i--, info++) {
+			if (info->mat_nr && info->mat_nr>=index) {
+				info->mat_nr--;
+			}
+		}
+	}
+	else {
+		Nurb *nu;
+
+		for (nu= cu->nurb.first; nu; nu= nu->next) {
+			if(nu->mat_nr && nu->mat_nr>=index) {
+				nu->mat_nr--;
+				if (curvetype == OB_CURVE) nu->charidx--;
+			}
+		}
+	}
+}
diff --git a/source/blender/blenkernel/intern/ipo.c b/source/blender/blenkernel/intern/ipo.c
index 4f921f005f4..104ce2b3b32 100644
--- a/source/blender/blenkernel/intern/ipo.c
+++ b/source/blender/blenkernel/intern/ipo.c
@@ -518,7 +518,7 @@ static const char *material_adrcodes_to_paths (int adrcode, int *array_index)
 			return "alpha";
 			
 		case MA_REF:
-			return "diffuse_reflection";
+			return "diffuse_intensity";
 		
 		case MA_EMIT:
 			return "emit";
@@ -527,7 +527,7 @@ static const char *material_adrcodes_to_paths (int adrcode, int *array_index)
 			return "ambient";
 		
 		case MA_SPEC:
-			return "specular_reflection";
+			return "specular_intensity";
 		
 		case MA_HARD:
 			return "specular_hardness";
@@ -551,13 +551,13 @@ static const char *material_adrcodes_to_paths (int adrcode, int *array_index)
 			return "raytrace_mirror.fresnel";
 			
 		case MA_FRESMIRI:
-			return "raytrace_mirror.fresnel_fac";
+			return "raytrace_mirror.fresnel_factor";
 			
 		case MA_FRESTRA:
 			return "raytrace_transparency.fresnel";
 			
 		case MA_FRESTRAI:
-			return "raytrace_transparency.fresnel_fac";
+			return "raytrace_transparency.fresnel_factor";
 			
 		case MA_ADD:
 			return "halo.add";
diff --git a/source/blender/blenkernel/intern/key.c b/source/blender/blenkernel/intern/key.c
index 8b0cfb1d156..0964c66fecd 100644
--- a/source/blender/blenkernel/intern/key.c
+++ b/source/blender/blenkernel/intern/key.c
@@ -474,20 +474,20 @@ static int setkeys(float fac, ListBase *lb, KeyBlock *k[], float *t, int cycl)
 
 }
 
-static void flerp(int aantal, float *in, float *f0, float *f1, float *f2, float *f3, float *t)	
+static void flerp(int tot, float *in, float *f0, float *f1, float *f2, float *f3, float *t)
 {
 	int a;
 
-	for(a=0; a<aantal; a++) {
+	for(a=0; a<tot; a++) {
 		in[a]= t[0]*f0[a]+t[1]*f1[a]+t[2]*f2[a]+t[3]*f3[a];
 	}
 }
 
-static void rel_flerp(int aantal, float *in, float *ref, float *out, float fac)
+static void rel_flerp(int tot, float *in, float *ref, float *out, float fac)
 {
 	int a;
 	
-	for(a=0; a<aantal; a++) {
+	for(a=0; a<tot; a++) {
 		in[a]-= fac*(ref[a]-out[a]);
 	}
 }
diff --git a/source/blender/blenkernel/intern/material.c b/source/blender/blenkernel/intern/material.c
index 3f01c55e935..9c455e84109 100644
--- a/source/blender/blenkernel/intern/material.c
+++ b/source/blender/blenkernel/intern/material.c
@@ -61,7 +61,7 @@
 #include "BKE_material.h"
 #include "BKE_mesh.h"
 #include "BKE_node.h"
-
+#include "BKE_curve.h"
 
 #include "GPU_material.h"
 
@@ -515,6 +515,21 @@ short *give_totcolp_id(ID *id)
 	return NULL;
 }
 
+void data_delete_material_index_id(ID *id, int index)
+{
+	switch(GS(id->name)) {
+	case ID_ME:
+		mesh_delete_material_index((Mesh *)id, index);
+		break;
+	case ID_CU:
+		curve_delete_material_index((Curve *)id, index);
+		break;
+	case ID_MB:
+		/* meta-elems dont have materials atm */
+		break;
+	}
+}
+
 void material_append_id(ID *id, Material *ma)
 {
 	Material ***matar;
@@ -532,7 +547,7 @@ void material_append_id(ID *id, Material *ma)
 	}
 }
 
-Material *material_pop_id(ID *id, int index)
+Material *material_pop_id(ID *id, int index, int remove_material_slot)
 {
 	Material *ret= NULL;
 	Material ***matar;
@@ -540,27 +555,36 @@ Material *material_pop_id(ID *id, int index)
 		short *totcol= give_totcolp_id(id);
 		if(index >= 0 && index < (*totcol)) {
 			ret= (*matar)[index];
-			id_us_min((ID *)ret);			
-			if(*totcol <= 1) {
-				*totcol= 0;
-				MEM_freeN(*matar);
-				*matar= NULL;
-			}
-			else {
-				Material **mat;
-
-				if(index + 1 != (*totcol))
-					memmove((*matar)+index, (*matar)+(index+1), sizeof(void *) * ((*totcol) - (index + 1)));
+			id_us_min((ID *)ret);
 
-				(*totcol)--;
-				
-				mat= MEM_callocN(sizeof(void *) * (*totcol), "newmatar");
-				memcpy(mat, *matar, sizeof(void *) * (*totcol));
-				MEM_freeN(*matar);
+			if (remove_material_slot) {
+				if(*totcol <= 1) {
+					*totcol= 0;
+					MEM_freeN(*matar);
+					*matar= NULL;
+				}
+				else {
+					Material **mat;
+					if(index + 1 != (*totcol))
+						memmove((*matar)+index, (*matar)+(index+1), sizeof(void *) * ((*totcol) - (index + 1)));
+
+					(*totcol)--;
+					
+					mat= MEM_callocN(sizeof(void *) * (*totcol), "newmatar");
+					memcpy(mat, *matar, sizeof(void *) * (*totcol));
+					MEM_freeN(*matar);
+
+					*matar= mat;
+					test_object_materials(id);
+				}
 
-				*matar= mat;
-				test_object_materials(id);
+				/* decrease mat_nr index */
+				data_delete_material_index_id(id, index);
 			}
+
+			/* don't remove material slot, only clear it*/
+			else
+				(*matar)[index]= NULL;
 		}
 	}
 	
@@ -1025,8 +1049,6 @@ int object_remove_material_slot(Object *ob)
 {
 	Material *mao, ***matarar;
 	Object *obt;
-	Curve *cu;
-	Nurb *nu;
 	short *totcolp;
 	int a, actcol;
 	
@@ -1086,23 +1108,8 @@ int object_remove_material_slot(Object *ob)
 	}
 
 	/* check indices from mesh */
-
-	if(ob->type==OB_MESH) {
-		Mesh *me= get_mesh(ob);
-		mesh_delete_material_index(me, actcol-1);
-		freedisplist(&ob->disp);
-	}
-	else if ELEM(ob->type, OB_CURVE, OB_SURF) {
-		cu= ob->data;
-		nu= cu->nurb.first;
-		
-		while(nu) {
-			if(nu->mat_nr && nu->mat_nr>=actcol-1) {
-				nu->mat_nr--;
-				if (ob->type == OB_CURVE) nu->charidx--;
-			}
-			nu= nu->next;
-		}
+	if (ELEM4(ob->type, OB_MESH, OB_CURVE, OB_SURF, OB_FONT)) {
+		data_delete_material_index_id((ID *)ob->data, actcol-1);
 		freedisplist(&ob->disp);
 	}
 
diff --git a/source/blender/blenkernel/intern/mesh.c b/source/blender/blenkernel/intern/mesh.c
index 45a60b842a7..32819226361 100644
--- a/source/blender/blenkernel/intern/mesh.c
+++ b/source/blender/blenkernel/intern/mesh.c
@@ -1254,10 +1254,10 @@ void mesh_to_curve(Scene *scene, Object *ob)
 
 void mesh_delete_material_index(Mesh *me, int index)
 {
+	MFace *mf;
 	int i;
 
-	for (i=0; i<me->totface; i++) {
-		MFace *mf = &((MFace*) me->mface)[i];
+	for (i=0, mf=me->mface; i<me->totface; i++, mf++) {
 		if (mf->mat_nr && mf->mat_nr>=index) 
 			mf->mat_nr--;
 	}
diff --git a/source/blender/blenlib/intern/BLI_args.c b/source/blender/blenlib/intern/BLI_args.c
index 7bc93a3d3a0..5f31565d65b 100644
--- a/source/blender/blenlib/intern/BLI_args.c
+++ b/source/blender/blenlib/intern/BLI_args.c
@@ -290,8 +290,10 @@ void BLI_argsParse(struct bArgs *ba, int pass, BA_ArgCallback default_cb, void *
 					}
 					i += retval;
 				} else if (retval == -1){
-					if (a->key->pass != -1)
-						ba->passes[i] = pass;
+					if (a) {
+						if (a->key->pass != -1)
+							ba->passes[i] = pass;
+					}
 					break;
 				}
 			}
diff --git a/source/blender/blenlib/intern/pbvh.c b/source/blender/blenlib/intern/pbvh.c
index 85d79ae3b85..0613765b868 100644
--- a/source/blender/blenlib/intern/pbvh.c
+++ b/source/blender/blenlib/intern/pbvh.c
@@ -26,7 +26,6 @@
 
 
 
-
 #include "DNA_meshdata_types.h"
 
 #include "MEM_guardedalloc.h"
@@ -85,25 +84,61 @@ struct PBVHNode {
 	/* Opaque handle for drawing code */
 	void *draw_buffers;
 
-	int *vert_indices;
-
 	/* Voxel bounds */
 	BB vb;
 	BB orig_vb;
 
-	/* For internal nodes */
+	/* For internal nodes, the offset of the children in the PBVH
+	   'nodes' array. */
 	int children_offset;
 
-	/* Pointer into bvh prim_indices */
-	int *prim_indices;
-	int *face_vert_indices;
+	/* Pointer into the PBVH prim_indices array and the number of
+	   primitives used by this leaf node.
 
+	   Used for leaf nodes in both mesh- and multires-based PBVHs.
+	*/
+	int *prim_indices;
 	unsigned int totprim;
+
+	/* Array of indices into the mesh's MVert array. Contains the
+	   indices of all vertices used by faces that are within this
+	   node's bounding box.
+
+	   Note that a vertex might be used by a multiple faces, and
+	   these faces might be in different leaf nodes. Such a vertex
+	   will appear in the vert_indices array of each of those leaf
+	   nodes.
+
+	   In order to support cases where you want access to multiple
+	   nodes' vertices without duplication, the vert_indices array
+	   is ordered such that the first part of the array, up to
+	   index 'uniq_verts', contains "unique" vertex indices. These
+	   vertices might not be truly unique to this node, but if
+	   they appear in another node's vert_indices array, they will
+	   be above that node's 'uniq_verts' value.
+
+	   Used for leaf nodes in a mesh-based PBVH (not multires.)
+	*/
+	int *vert_indices;
 	unsigned int uniq_verts, face_verts;
 
-	char flag;
+	/* An array mapping face corners into the vert_indices
+	   array. The array is sized to match 'totprim', and each of
+	   the face's corners gets an index into the vert_indices
+	   array, in the same order as the corners in the original
+	   MFace. The fourth value should not be used if the original
+	   face is a triangle.
+
+	   Used for leaf nodes in a mesh-based PBVH (not multires.)
+	*/
+	int (*face_vert_indices)[4];
+
+	/* Indicates whether this node is a leaf or not; also used for
+	   marking various updates that need to be applied. */
+	PBVHNodeFlags flag : 8;
 
-	float tmin; // used for raycasting, is how close bb is to the ray point
+	/* Used for raycasting: how close bb is to the ray point. */
+	float tmin;
 
 	int proxy_count;
 	PBVHProxyNode* proxies;
@@ -339,15 +374,15 @@ static void build_mesh_leaf_node(PBVH *bvh, PBVHNode *node)
 	node->uniq_verts = node->face_verts = 0;
 	totface= node->totprim;
 
-	node->face_vert_indices = MEM_callocN(sizeof(int) *
-					 4*totface, "bvh node face vert indices");
+	node->face_vert_indices = MEM_callocN(sizeof(int) * 4*totface,
+					      "bvh node face vert indices");
 
 	for(i = 0; i < totface; ++i) {
 		MFace *f = bvh->faces + node->prim_indices[i];
 		int sides = f->v4 ? 4 : 3;
 
 		for(j = 0; j < sides; ++j) {
-			node->face_vert_indices[i*4 + j]= 
+			node->face_vert_indices[i][j]= 
 				map_insert_vert(bvh, map, &node->face_verts,
 						&node->uniq_verts, (&f->v1)[j]);
 		}
@@ -373,9 +408,17 @@ static void build_mesh_leaf_node(PBVH *bvh, PBVHNode *node)
 
 	BLI_ghashIterator_free(iter);
 
-	for(i = 0; i < totface*4; ++i)
-		if(node->face_vert_indices[i] < 0)
-			node->face_vert_indices[i]= -node->face_vert_indices[i] + node->uniq_verts - 1;
+	for(i = 0; i < totface; ++i) {
+		MFace *f = bvh->faces + node->prim_indices[i];
+		int sides = f->v4 ? 4 : 3;
+		
+		for(j = 0; j < sides; ++j) {
+			if(node->face_vert_indices[i][j] < 0)
+				node->face_vert_indices[i][j]=
+					-node->face_vert_indices[i][j] +
+					node->uniq_verts - 1;
+		}
+	}
 
 	if(!G.background) {
 		node->draw_buffers =
@@ -1340,20 +1383,20 @@ int BLI_pbvh_node_raycast(PBVH *bvh, PBVHNode *node, float (*origco)[3],
 	if(bvh->faces) {
 		MVert *vert = bvh->verts;
 		int *faces= node->prim_indices;
-		int *face_verts= node->face_vert_indices;
 		int totface= node->totprim;
 		int i;
 
 		for(i = 0; i < totface; ++i) {
 			MFace *f = bvh->faces + faces[i];
+			int *face_verts = node->face_vert_indices[i];
 
 			if(origco) {
 				/* intersect with backuped original coordinates */
 				hit |= ray_face_intersection(ray_start, ray_normal,
-							 origco[face_verts[i*4+0]],
-							 origco[face_verts[i*4+1]],
-							 origco[face_verts[i*4+2]],
-							 f->v4? origco[face_verts[i*4+3]]: NULL,
+							 origco[face_verts[0]],
+							 origco[face_verts[1]],
+							 origco[face_verts[2]],
+							 f->v4? origco[face_verts[3]]: NULL,
 							 dist);
 			}
 			else {
diff --git a/source/blender/blenloader/BLO_readfile.h b/source/blender/blenloader/BLO_readfile.h
index 85d4b936c51..47931477728 100644
--- a/source/blender/blenloader/BLO_readfile.h
+++ b/source/blender/blenloader/BLO_readfile.h
@@ -211,7 +211,16 @@ int BLO_has_bfile_extension(char *str);
  */
 int BLO_is_a_library(const char *path, char *dir, char *group);
 
-struct Main* BLO_library_append_begin(const struct bContext *C, BlendHandle** bh, const char *filepath);
+
+/**
+ * Initialize the BlendHandle for appending or linking library data.
+ *
+ * @param mainvar The current main database eg G.main or CTX_data_main(C).
+ * @param bh A blender file handle as returned by BLO_blendhandle_from_file or BLO_blendhandle_from_memory.
+ * @param filepath Used for relative linking, copied to the lib->name
+ * @return the library Main, to be passed to BLO_library_append_named_part as mainl.
+ */
+struct Main* BLO_library_append_begin(struct Main *mainvar, BlendHandle** bh, const char *filepath);
 
 
 /**
@@ -243,11 +252,6 @@ void BLO_library_append_end(const struct bContext *C, struct Main *mainl, BlendH
 
 void *BLO_library_read_struct(struct FileData *fd, struct BHead *bh, const char *blockname);
 
-/* deprecated */
-#if 1
-void BLO_script_library_append(BlendHandle **bh, char *dir, char *name, int idcode, short flag, struct Main *mainvar, struct Scene *scene, struct ReportList *reports);
-#endif
-
 BlendFileData* blo_read_blendafterruntime(int file, char *name, int actualsize, struct ReportList *reports);
 
 #ifdef __cplusplus
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 4ad99c02b2d..bd12677485c 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -3162,7 +3162,7 @@ static void lib_link_particlesettings(FileData *fd, Main *main)
 			if(part->effector_weights)
 				part->effector_weights->group = newlibadr(fd, part->id.lib, part->effector_weights->group);
 
-			if(part->dupliweights.first) {
+			if(part->dupliweights.first && part->dup_group) {
 				int index_ok = 0;
 				/* check for old files without indices (all indexes 0) */
 				dw = part->dupliweights.first;
@@ -3193,6 +3193,9 @@ static void lib_link_particlesettings(FileData *fd, Main *main)
 						dw->ob = newlibadr(fd, part->id.lib, dw->ob);
 				}
 			}
+			else {
+				part->dupliweights.first = part->dupliweights.last = NULL;
+			}
 
 			if(part->boids) {
 				BoidState *state = part->boids->states.first;
@@ -4723,6 +4726,8 @@ static void direct_link_windowmanager(FileData *fd, wmWindowManager *wm)
 
 	wm->keyconfigs.first= wm->keyconfigs.last= NULL;
 	wm->defaultconf= NULL;
+	wm->addonconf= NULL;
+	wm->userconf= NULL;
 
 	wm->jobs.first= wm->jobs.last= NULL;
 	wm->drags.first= wm->drags.last= NULL;
@@ -11759,33 +11764,57 @@ static void lib_link_all(FileData *fd, Main *main)
 	lib_link_library(fd, main);		/* only init users */
 }
 
+static void direct_link_keymapitem(FileData *fd, wmKeyMapItem *kmi)
+{
+	kmi->properties= newdataadr(fd, kmi->properties);
+	if(kmi->properties)
+		IDP_DirectLinkProperty(kmi->properties, (fd->flags & FD_FLAGS_SWITCH_ENDIAN), fd);
+	kmi->ptr= NULL;
+	kmi->flag &= ~KMI_UPDATE;
+}
 
 static BHead *read_userdef(BlendFileData *bfd, FileData *fd, BHead *bhead)
 {
 	UserDef *user;
 	wmKeyMap *keymap;
 	wmKeyMapItem *kmi;
+	wmKeyMapDiffItem *kmdi;
 
 	bfd->user= user= read_struct(fd, bhead, "user def");
 
 	/* read all data into fd->datamap */
 	bhead= read_data_into_oldnewmap(fd, bhead, "user def");
 
+	if(user->keymaps.first) {
+		/* backwards compatibility */
+		user->user_keymaps= user->keymaps;
+		user->keymaps.first= user->keymaps.last= NULL;
+	}
+
 	link_list(fd, &user->themes);
-	link_list(fd, &user->keymaps);
+	link_list(fd, &user->user_keymaps);
 	link_list(fd, &user->addons);
 
-	for(keymap=user->keymaps.first; keymap; keymap=keymap->next) {
+	for(keymap=user->user_keymaps.first; keymap; keymap=keymap->next) {
 		keymap->modal_items= NULL;
 		keymap->poll= NULL;
+		keymap->flag &= ~KEYMAP_UPDATE;
 
+		link_list(fd, &keymap->diff_items);
 		link_list(fd, &keymap->items);
-		for(kmi=keymap->items.first; kmi; kmi=kmi->next) {
-			kmi->properties= newdataadr(fd, kmi->properties);
-			if(kmi->properties)
-				IDP_DirectLinkProperty(kmi->properties, (fd->flags & FD_FLAGS_SWITCH_ENDIAN), fd);
-			kmi->ptr= NULL;
+		
+		for(kmdi=keymap->diff_items.first; kmdi; kmdi=kmdi->next) {
+			kmdi->remove_item= newdataadr(fd, kmdi->remove_item);
+			kmdi->add_item= newdataadr(fd, kmdi->add_item);
+
+			if(kmdi->remove_item)
+				direct_link_keymapitem(fd, kmdi->remove_item);
+			if(kmdi->add_item)
+				direct_link_keymapitem(fd, kmdi->add_item);
 		}
+
+		for(kmi=keymap->items.first; kmi; kmi=kmi->next)
+			direct_link_keymapitem(fd, kmi);
 	}
 
 	// XXX
@@ -12972,9 +13001,8 @@ static void append_id_part(FileData *fd, Main *mainvar, ID *id, ID **id_r)
 
 /* common routine to append/link something from a library */
 
-static Main* library_append_begin(const bContext *C, FileData **fd, const char *filepath)
+static Main* library_append_begin(Main *mainvar, FileData **fd, const char *filepath)
 {
-	Main *mainvar= CTX_data_main(C);
 	Main *mainl;
 
 	/* make mains */
@@ -12990,64 +13018,17 @@ static Main* library_append_begin(const bContext *C, FileData **fd, const char *
 	return mainl;
 }
 
-Main* BLO_library_append_begin(const bContext *C, BlendHandle** bh, const char *filepath)
+Main* BLO_library_append_begin(Main *mainvar, BlendHandle** bh, const char *filepath)
 {
 	FileData *fd= (FileData*)(*bh);
-	return library_append_begin(C, &fd, filepath);
+	return library_append_begin(mainvar, &fd, filepath);
 }
 
-static void append_do_cursor(Scene *scene, Library *curlib, short flag)
-{
-	Base *centerbase;
-	Object *ob;
-	float *curs, centerloc[3], vec[3], min[3], max[3];
-	int count= 0;
-
-	/* when not linking (appending)... */
-	if(flag & FILE_LINK) 
-		return;
-
-	/* we're not appending at cursor */
-	if((flag & FILE_ATCURSOR) == 0) 
-		return;
-	
-	/* find the center of everything appended */
-	INIT_MINMAX(min, max);
-	centerbase= (scene->base.first);
-	while(centerbase) {
-		if(centerbase->object->id.lib==curlib && centerbase->object->parent==NULL) {
-			VECCOPY(vec, centerbase->object->loc);
-			DO_MINMAX(vec, min, max);
-			count++;
-		}
-		centerbase= centerbase->next;
-	}
-	/* we haven't found any objects to move to cursor */
-	if(!count) 
-		return;
-	
-	/* move from the center of the appended objects to cursor */
-	mid_v3_v3v3(centerloc, min, max);
-	curs = scene->cursor;
-	VECSUB(centerloc,curs,centerloc);
-	
-	/* now translate the center of the objects */
-	centerbase= (scene->base.first);
-	while(centerbase) {
-		if(centerbase->object->id.lib==curlib && centerbase->object->parent==NULL) {
-			ob= centerbase->object;
-			ob->loc[0] += centerloc[0];
-			ob->loc[1] += centerloc[1];
-			ob->loc[2] += centerloc[2];
-		}
-		centerbase= centerbase->next;
-	}
-}
 
+/* Context == NULL signifies not to do any scene manipulation */
 static void library_append_end(const bContext *C, Main *mainl, FileData **fd, int idcode, short flag)
 {
 	Main *mainvar;
-	Scene *scene= CTX_data_scene(C);
 	Library *curlib;
 
 	/* make main consistent */
@@ -13076,22 +13057,26 @@ static void library_append_end(const bContext *C, Main *mainl, FileData **fd, in
 	lib_verify_nodetree(mainvar, FALSE);
 	fix_relpaths_library(G.main->name, mainvar); /* make all relative paths, relative to the open blend file */
 
-	/* give a base to loose objects. If group append, do it for objects too */
-	if(scene) {
-		const short is_link= (flag & FILE_LINK) != 0;
-		if(idcode==ID_SCE) {
-			/* dont instance anything when linking in scenes, assume the scene its self instances the data */
-		}
-		else {
-			give_base_to_objects(mainvar, scene, curlib, idcode, is_link);
+	if(C) {
+		Scene *scene= CTX_data_scene(C);
+
+		/* give a base to loose objects. If group append, do it for objects too */
+		if(scene) {
+			const short is_link= (flag & FILE_LINK) != 0;
+			if(idcode==ID_SCE) {
+				/* dont instance anything when linking in scenes, assume the scene its self instances the data */
+			}
+			else {
+				give_base_to_objects(mainvar, scene, curlib, idcode, is_link);
 
-			if (flag & FILE_GROUP_INSTANCE) {
-				give_base_to_groups(mainvar, scene);
+				if (flag & FILE_GROUP_INSTANCE) {
+					give_base_to_groups(mainvar, scene);
+				}
 			}
 		}
-	}
-	else {
-		printf("library_append_end, scene is NULL (objects wont get bases)\n");
+		else {
+			printf("library_append_end, scene is NULL (objects wont get bases)\n");
+		}
 	}
 	/* has been removed... erm, why? s..ton) */
 	/* 20040907: looks like they are give base already in append_named_part(); -Nathan L */
@@ -13102,8 +13087,6 @@ static void library_append_end(const bContext *C, Main *mainl, FileData **fd, in
 		blo_freefiledata( *fd );
 		*fd = NULL;
 	}	
-
-	append_do_cursor(scene, curlib, flag);
 }
 
 void BLO_library_append_end(const bContext *C, struct Main *mainl, BlendHandle** bh, int idcode, short flag)
diff --git a/source/blender/blenloader/intern/writefile.c b/source/blender/blenloader/intern/writefile.c
index bf86527b9d3..7d65248c0e9 100644
--- a/source/blender/blenloader/intern/writefile.c
+++ b/source/blender/blenloader/intern/writefile.c
@@ -717,11 +717,19 @@ static void write_renderinfo(WriteData *wd, Main *mainvar)		/* for renderdeamon
 	}
 }
 
+static void write_keymapitem(WriteData *wd, wmKeyMapItem *kmi)
+{
+	writestruct(wd, DATA, "wmKeyMapItem", 1, kmi);
+	if(kmi->properties)
+		IDP_WriteProperty(kmi->properties, wd);
+}
+
 static void write_userdef(WriteData *wd)
 {
 	bTheme *btheme;
 	wmKeyMap *keymap;
 	wmKeyMapItem *kmi;
+	wmKeyMapDiffItem *kmdi;
 	bAddon *bext;
 	uiStyle *style;
 	
@@ -730,15 +738,19 @@ static void write_userdef(WriteData *wd)
 	for(btheme= U.themes.first; btheme; btheme=btheme->next)
 		writestruct(wd, DATA, "bTheme", 1, btheme);
 
-	for(keymap= U.keymaps.first; keymap; keymap=keymap->next) {
+	for(keymap= U.user_keymaps.first; keymap; keymap=keymap->next) {
 		writestruct(wd, DATA, "wmKeyMap", 1, keymap);
 
-		for(kmi=keymap->items.first; kmi; kmi=kmi->next) {
-			writestruct(wd, DATA, "wmKeyMapItem", 1, kmi);
-
-			if(kmi->properties)
-				IDP_WriteProperty(kmi->properties, wd);
+		for(kmdi=keymap->diff_items.first; kmdi; kmdi=kmdi->next) {
+			writestruct(wd, DATA, "wmKeyMapDiffItem", 1, kmdi);
+			if(kmdi->remove_item)
+				write_keymapitem(wd, kmdi->remove_item);
+			if(kmdi->add_item)
+				write_keymapitem(wd, kmdi->add_item);
 		}
+
+		for(kmi=keymap->items.first; kmi; kmi=kmi->next)
+			write_keymapitem(wd, kmi);
 	}
 
 	for(bext= U.addons.first; bext; bext=bext->next)
diff --git a/source/blender/editors/curve/editcurve.c b/source/blender/editors/curve/editcurve.c
index a866df86278..c5a7080db22 100644
--- a/source/blender/editors/curve/editcurve.c
+++ b/source/blender/editors/curve/editcurve.c
@@ -3434,7 +3434,6 @@ static int convertspline(short type, Nurb *nu)
 			nu->type = CU_NURBS;
 			nu->orderu= 4;
 			nu->flagu &= CU_NURB_CYCLIC; /* disable all flags except for cyclic */
-			nu->flagu |= CU_NURB_BEZIER;
 			nurbs_knot_calc_u(nu);
 			a= nu->pntsu*nu->pntsv;
 			bp= nu->bp;
@@ -6546,12 +6545,15 @@ Nurb *add_nurbs_primitive(bContext *C, float mat[4][4], int type, int newob)
 		BLI_assert(!"invalid nurbs type");
 		return NULL;
 	}
-	
-	/* always do: */
-	nu->flag |= CU_SMOOTH;
-	
-	test2DNurb(nu);
-	
+
+	BLI_assert(nu != NULL);
+
+	if(nu) { /* should always be set */
+		nu->flag |= CU_SMOOTH;
+
+		test2DNurb(nu);
+	}
+
 	return nu;
 }
 
diff --git a/source/blender/editors/curve/editfont.c b/source/blender/editors/curve/editfont.c
index 39f905281d4..0f6b3070008 100644
--- a/source/blender/editors/curve/editfont.c
+++ b/source/blender/editors/curve/editfont.c
@@ -1651,10 +1651,10 @@ static int open_exec(bContext *C, wmOperator *op)
 	VFont *font;
 	PropertyPointerRNA *pprop;
 	PointerRNA idptr;
-	char str[FILE_MAX];
-	RNA_string_get(op->ptr, "filepath", str);
+	char filepath[FILE_MAX];
+	RNA_string_get(op->ptr, "filepath", filepath);
 
-	font = load_vfont(str);
+	font= load_vfont(filepath);
 
 	if(!font) {
 		if(op->customdata) MEM_freeN(op->customdata);
diff --git a/source/blender/editors/gpencil/gpencil_paint.c b/source/blender/editors/gpencil/gpencil_paint.c
index d5a128b5c5b..0323d1f9e45 100644
--- a/source/blender/editors/gpencil/gpencil_paint.c
+++ b/source/blender/editors/gpencil/gpencil_paint.c
@@ -1619,6 +1619,18 @@ static int gpencil_draw_modal (bContext *C, wmOperator *op, wmEvent *event)
 	tGPsdata *p= op->customdata;
 	int estate = OPERATOR_PASS_THROUGH; /* default exit state - not handled, so let others have a share of the pie */
 	
+	// if (event->type == NDOF_MOTION)
+	//	return OPERATOR_PASS_THROUGH;
+	// -------------------------------
+	// [mce] Not quite what I was looking
+	// for, but a good start! GP continues to
+	// draw on the screen while the 3D mouse
+	// moves the viewpoint. Problem is that
+	// the stroke is converted to 3D only after
+	// it is finished. This approach should work
+	// better in tools that immediately apply
+	// in 3D space.
+
 	//printf("\tGP - handle modal event...\n");
 	
 	/* exit painting mode (and/or end current stroke) */
diff --git a/source/blender/editors/include/BIF_glutil.h b/source/blender/editors/include/BIF_glutil.h
index c9615204607..27bd31c20ff 100644
--- a/source/blender/editors/include/BIF_glutil.h
+++ b/source/blender/editors/include/BIF_glutil.h
@@ -52,6 +52,8 @@ void fdrawXORcirc(float xofs, float yofs, float rad);
 /* glStipple defines */
 extern unsigned char stipple_halftone[128];
 extern unsigned char stipple_quarttone[128];
+extern unsigned char stipple_diag_stripes_pos[128];
+extern unsigned char stipple_diag_stripes_neg[128];
 
 	/**
 	 * Draw a lined (non-looping) arc with the given
diff --git a/source/blender/editors/include/ED_object.h b/source/blender/editors/include/ED_object.h
index 28d0a9520b2..c646ec55506 100644
--- a/source/blender/editors/include/ED_object.h
+++ b/source/blender/editors/include/ED_object.h
@@ -108,7 +108,7 @@ int ED_object_add_generic_get_opts(struct bContext *C, struct wmOperator *op, fl
 struct Object *ED_object_add_type(struct bContext *C, int type, float *loc, float *rot, int enter_editmode, unsigned int layer);
 
 void ED_object_single_users(struct Main *bmain, struct Scene *scene, int full);
-
+void ED_object_single_user(struct Scene *scene, struct Object *ob);
 
 /* object motion paths */
 void ED_objects_clear_paths(struct bContext *C);
diff --git a/source/blender/editors/include/ED_transform.h b/source/blender/editors/include/ED_transform.h
index d4d7f971b74..00ae7dda2e3 100644
--- a/source/blender/editors/include/ED_transform.h
+++ b/source/blender/editors/include/ED_transform.h
@@ -148,6 +148,7 @@ void BIF_selectOrientation(void);
 #define P_ALIGN_SNAP	(P_GEO_SNAP|(1 << 5))
 #define P_CONSTRAINT	(1 << 6)
 #define P_OPTIONS		(1 << 7)
+#define P_CORRECT_UV 	(1 << 8)
 
 void Transform_Properties(struct wmOperatorType *ot, int flags);
 
diff --git a/source/blender/editors/include/UI_interface.h b/source/blender/editors/include/UI_interface.h
index 852b0465910..7ee65eb5410 100644
--- a/source/blender/editors/include/UI_interface.h
+++ b/source/blender/editors/include/UI_interface.h
@@ -164,6 +164,9 @@ typedef struct uiLayout uiLayout;
 /* scale fixed button widths by this to account for DPI
  * 8.4852 == sqrtf(72.0f)) */
 #define UI_DPI_FAC (sqrtf((float)U.dpi) / 8.48528137423857f)
+#define UI_DPI_ICON_FAC (((float)U.dpi) / 72.0f)
+/* 16 to copy ICON_DEFAULT_HEIGHT */
+#define UI_DPI_ICON_SIZE ((float)16 * UI_DPI_ICON_FAC)
 
 /* Button types, bits stored in 1 value... and a short even!
 - bits 0-4:  bitnr (0-31)
@@ -407,6 +410,7 @@ uiBut *uiDefButBitS(uiBlock *block, int type, int bit, int retval, const char *s
 uiBut *uiDefButC(uiBlock *block, int type, int retval, const char *str, int x1, int y1, short x2, short y2, char *poin, float min, float max, float a1, float a2, const char *tip);
 uiBut *uiDefButBitC(uiBlock *block, int type, int bit, int retval, const char *str, int x1, int y1, short x2, short y2, char *poin, float min, float max, float a1, float a2, const char *tip);
 uiBut *uiDefButR(uiBlock *block, int type, int retval, const char *str, int x1, int y1, short x2, short y2, struct PointerRNA *ptr, const char *propname, int index, float min, float max, float a1, float a2, const char *tip);
+uiBut *uiDefButR_prop(uiBlock *block, int type, int retval, const char *str, int x1, int y1, short x2, short y2, struct PointerRNA *ptr, struct PropertyRNA *prop, int index, float min, float max, float a1, float a2, const char *tip);
 uiBut *uiDefButO(uiBlock *block, int type, const char *opname, int opcontext, const char *str, int x1, int y1, short x2, short y2, const char *tip);
 uiBut *uiDefButTextO(uiBlock *block, int type, const char *opname, int opcontext, const char *str, int x1, int y1, short x2, short y2, void *poin, float min, float max, float a1, float a2, const char *tip);
 
@@ -426,6 +430,7 @@ uiBut *uiDefIconButBitS(uiBlock *block, int type, int bit, int retval, int icon,
 uiBut *uiDefIconButC(uiBlock *block, int type, int retval, int icon, int x1, int y1, short x2, short y2, char *poin, float min, float max, float a1, float a2, const char *tip);
 uiBut *uiDefIconButBitC(uiBlock *block, int type, int bit, int retval, int icon, int x1, int y1, short x2, short y2, char *poin, float min, float max, float a1, float a2, const char *tip);
 uiBut *uiDefIconButR(uiBlock *block, int type, int retval, int icon, int x1, int y1, short x2, short y2, struct PointerRNA *ptr, const char *propname, int index, float min, float max, float a1, float a2, const char *tip);
+uiBut *uiDefIconButR_prop(uiBlock *block, int type, int retval, int icon, int x1, int y1, short x2, short y2, struct PointerRNA *ptr, PropertyRNA *prop, int index, float min, float max, float a1, float a2, const char *tip);
 uiBut *uiDefIconButO(uiBlock *block, int type, const char *opname, int opcontext, int icon, int x1, int y1, short x2, short y2, const char *tip);
 
 uiBut *uiDefIconTextBut(uiBlock *block,
@@ -444,6 +449,7 @@ uiBut *uiDefIconTextButBitS(uiBlock *block, int type, int bit, int retval, int i
 uiBut *uiDefIconTextButC(uiBlock *block, int type, int retval, int icon, const char *str, int x1, int y1, short x2, short y2, char *poin, float min, float max, float a1, float a2, const char *tip);
 uiBut *uiDefIconTextButBitC(uiBlock *block, int type, int bit, int retval, int icon, const char *str, int x1, int y1, short x2, short y2, char *poin, float min, float max, float a1, float a2, const char *tip);
 uiBut *uiDefIconTextButR(uiBlock *block, int type, int retval, int icon, const char *str, int x1, int y1, short x2, short y2, struct PointerRNA *ptr, const char *propname, int index, float min, float max, float a1, float a2, const char *tip);
+uiBut *uiDefIconTextButR_prop(uiBlock *block, int type, int retval, int icon, const char *str, int x1, int y1, short x2, short y2, struct PointerRNA *ptr, struct PropertyRNA *prop, int index, float min, float max, float a1, float a2, const char *tip);
 uiBut *uiDefIconTextButO(uiBlock *block, int type, const char *opname, int opcontext, int icon, const char *str, int x1, int y1, short x2, short y2, const char *tip);
 
 /* for passing inputs to ButO buttons */
diff --git a/source/blender/editors/include/UI_resources.h b/source/blender/editors/include/UI_resources.h
index 2311aafbb17..d0c2b387445 100644
--- a/source/blender/editors/include/UI_resources.h
+++ b/source/blender/editors/include/UI_resources.h
@@ -242,7 +242,9 @@ enum {
 
 	TH_DRAWEXTRA_EDGELEN,
 	TH_DRAWEXTRA_FACEAREA,
-	TH_DRAWEXTRA_FACEANG
+	TH_DRAWEXTRA_FACEANG,
+
+	TH_NODE_CURVING
 };
 /* XXX WARNING: previous is saved in file, so do not change order! */
 
diff --git a/source/blender/editors/interface/interface.c b/source/blender/editors/interface/interface.c
index ef8bff1fd7d..8e91c5c9008 100644
--- a/source/blender/editors/interface/interface.c
+++ b/source/blender/editors/interface/interface.c
@@ -2490,138 +2490,141 @@ static uiBut *ui_def_but(uiBlock *block, int type, int retval, const char *str,
 	return but;
 }
 
-static uiBut *ui_def_but_rna(uiBlock *block, int type, int retval, const char *str, int x1, int y1, short x2, short y2, PointerRNA *ptr, const char *propname, int index, float min, float max, float a1, float a2,  const char *tip)
+/* ui_def_but_rna_propname and ui_def_but_rna
+ * both take the same args except for propname vs prop, this is done so we can
+ * avoid an extra lookup on 'prop' when its already available.
+ *
+ * When this kind of change won't disrupt branches, best look into making more
+ * of our UI functions take prop rather then propname.
+ */
+
+#define UI_DEF_BUT_RNA_DISABLE(but) \
+	but->flag |= UI_BUT_DISABLED; \
+	but->lock = 1; \
+	but->lockstr = ""
+
+
+static uiBut *ui_def_but_rna(uiBlock *block, int type, int retval, const char *str, int x1, int y1, short x2, short y2, PointerRNA *ptr, PropertyRNA *prop, int index, float min, float max, float a1, float a2,  const char *tip)
 {
 	uiBut *but;
-	PropertyRNA *prop;
 	PropertyType proptype;
 	int freestr= 0, icon= 0;
 
-	prop= RNA_struct_find_property(ptr, propname);
+	proptype= RNA_property_type(prop);
 
-	if(prop) {
-		proptype= RNA_property_type(prop);
-
-		/* use rna values if parameters are not specified */
-		if(!str) {
-			if(type == MENU && proptype == PROP_ENUM) {
-				EnumPropertyItem *item;
-				DynStr *dynstr;
-				int i, totitem, value, free;
-
-				RNA_property_enum_items(block->evil_C, ptr, prop, &item, &totitem, &free);
-				value= RNA_property_enum_get(ptr, prop);
-
-				dynstr= BLI_dynstr_new();
-				BLI_dynstr_appendf(dynstr, "%s%%t", RNA_property_ui_name(prop));
-				for(i=0; i<totitem; i++) {
-					if(!item[i].identifier[0]) {
-						if(item[i].name)
-							BLI_dynstr_appendf(dynstr, "|%s%%l", item[i].name);
-						else
-							BLI_dynstr_append(dynstr, "|%l");
-					}
-					else if(item[i].icon)
-						BLI_dynstr_appendf(dynstr, "|%s %%i%d %%x%d", item[i].name, item[i].icon, item[i].value);
+	/* use rna values if parameters are not specified */
+	if(!str) {
+		if(type == MENU && proptype == PROP_ENUM) {
+			EnumPropertyItem *item;
+			DynStr *dynstr;
+			int i, totitem, value, free;
+
+			RNA_property_enum_items(block->evil_C, ptr, prop, &item, &totitem, &free);
+			value= RNA_property_enum_get(ptr, prop);
+
+			dynstr= BLI_dynstr_new();
+			BLI_dynstr_appendf(dynstr, "%s%%t", RNA_property_ui_name(prop));
+			for(i=0; i<totitem; i++) {
+				if(!item[i].identifier[0]) {
+					if(item[i].name)
+						BLI_dynstr_appendf(dynstr, "|%s%%l", item[i].name);
 					else
-						BLI_dynstr_appendf(dynstr, "|%s %%x%d", item[i].name, item[i].value);
+						BLI_dynstr_append(dynstr, "|%l");
+				}
+				else if(item[i].icon)
+					BLI_dynstr_appendf(dynstr, "|%s %%i%d %%x%d", item[i].name, item[i].icon, item[i].value);
+				else
+					BLI_dynstr_appendf(dynstr, "|%s %%x%d", item[i].name, item[i].value);
 
-					if(value == item[i].value) {
-						icon= item[i].icon;
-						if(!tip)
-							tip= item[i].description;
-					}
+				if(value == item[i].value) {
+					icon= item[i].icon;
+					if(!tip)
+						tip= item[i].description;
 				}
-				str= BLI_dynstr_get_cstring(dynstr);
-				BLI_dynstr_free(dynstr);
+			}
+			str= BLI_dynstr_get_cstring(dynstr);
+			BLI_dynstr_free(dynstr);
 
-				if(free)
-					MEM_freeN(item);
+			if(free)
+				MEM_freeN(item);
 
-				freestr= 1;
-			}
-			else if(ELEM(type, ROW, LISTROW) && proptype == PROP_ENUM) {
-				EnumPropertyItem *item;
-				int i, totitem, free;
-
-				RNA_property_enum_items(block->evil_C, ptr, prop, &item, &totitem, &free);
-				for(i=0; i<totitem; i++) {
-					if(item[i].identifier[0] && item[i].value == (int)max) {
-						str= item[i].name;
-						icon= item[i].icon;
-					}
-				}
+			freestr= 1;
+		}
+		else if(ELEM(type, ROW, LISTROW) && proptype == PROP_ENUM) {
+			EnumPropertyItem *item;
+			int i, totitem, free;
 
-				if(!str)
-					str= RNA_property_ui_name(prop);
-				if(free)
-					MEM_freeN(item);
+			RNA_property_enum_items(block->evil_C, ptr, prop, &item, &totitem, &free);
+			for(i=0; i<totitem; i++) {
+				if(item[i].identifier[0] && item[i].value == (int)max) {
+					str= item[i].name;
+					icon= item[i].icon;
+				}
 			}
-			else {
+
+			if(!str)
 				str= RNA_property_ui_name(prop);
-				icon= RNA_property_ui_icon(prop);
-			}
+			if(free)
+				MEM_freeN(item);
 		}
-		
-		if(!tip && proptype != PROP_ENUM)
-			tip= RNA_property_ui_description(prop);
+		else {
+			str= RNA_property_ui_name(prop);
+			icon= RNA_property_ui_icon(prop);
+		}
+	}
 
-		if(min == max || a1 == -1 || a2 == -1) {
-			if(proptype == PROP_INT) {
-				int hardmin, hardmax, softmin, softmax, step;
+	if(!tip && proptype != PROP_ENUM)
+		tip= RNA_property_ui_description(prop);
 
-				RNA_property_int_range(ptr, prop, &hardmin, &hardmax);
-				RNA_property_int_ui_range(ptr, prop, &softmin, &softmax, &step);
+	if(min == max || a1 == -1 || a2 == -1) {
+		if(proptype == PROP_INT) {
+			int hardmin, hardmax, softmin, softmax, step;
 
-				if(!ELEM(type, ROW, LISTROW) && min == max) {
-					min= hardmin;
-					max= hardmax;
-				}
-				if(a1 == -1)
-					a1= step;
-				if(a2 == -1)
-					a2= 0;
+			RNA_property_int_range(ptr, prop, &hardmin, &hardmax);
+			RNA_property_int_ui_range(ptr, prop, &softmin, &softmax, &step);
+
+			if(!ELEM(type, ROW, LISTROW) && min == max) {
+				min= hardmin;
+				max= hardmax;
 			}
-			else if(proptype == PROP_FLOAT) {
-				float hardmin, hardmax, softmin, softmax, step, precision;
+			if(a1 == -1)
+				a1= step;
+			if(a2 == -1)
+				a2= 0;
+		}
+		else if(proptype == PROP_FLOAT) {
+			float hardmin, hardmax, softmin, softmax, step, precision;
 
-				RNA_property_float_range(ptr, prop, &hardmin, &hardmax);
-				RNA_property_float_ui_range(ptr, prop, &softmin, &softmax, &step, &precision);
+			RNA_property_float_range(ptr, prop, &hardmin, &hardmax);
+			RNA_property_float_ui_range(ptr, prop, &softmin, &softmax, &step, &precision);
 
-				if(!ELEM(type, ROW, LISTROW) && min == max) {
-					min= hardmin;
-					max= hardmax;
-				}
-				if(a1 == -1)
-					a1= step;
-				if(a2 == -1)
-					a2= precision;
-			}
-			else if(proptype == PROP_STRING) {
-				min= 0;
-				max= RNA_property_string_maxlength(prop);
-				if(max == 0) /* interface code should ideally support unlimited length */
-					max= UI_MAX_DRAW_STR; 
+			if(!ELEM(type, ROW, LISTROW) && min == max) {
+				min= hardmin;
+				max= hardmax;
 			}
+			if(a1 == -1)
+				a1= step;
+			if(a2 == -1)
+				a2= precision;
+		}
+		else if(proptype == PROP_STRING) {
+			min= 0;
+			max= RNA_property_string_maxlength(prop);
+			if(max == 0) /* interface code should ideally support unlimited length */
+				max= UI_MAX_DRAW_STR;
 		}
-	}
-	else {
-		RNA_warning("ui_def_but_rna: property not found: %s.%s\n", RNA_struct_identifier(ptr->type), propname);
-		str= propname;
 	}
 
 	/* now create button */
 	but= ui_def_but(block, type, retval, str, x1, y1, x2, y2, NULL, min, max, a1, a2, tip);
 
-	if(prop) {
-		but->rnapoin= *ptr;
-		but->rnaprop= prop;
+	but->rnapoin= *ptr;
+	but->rnaprop= prop;
 
-		if(RNA_property_array_length(&but->rnapoin, but->rnaprop))
-			but->rnaindex= index;
-		else
-			but->rnaindex= 0;
-	}
+	if(RNA_property_array_length(&but->rnapoin, but->rnaprop))
+		but->rnaindex= index;
+	else
+		but->rnaindex= 0;
 
 	if(icon) {
 		but->icon= (BIFIconID)icon;
@@ -2629,10 +2632,8 @@ static uiBut *ui_def_but_rna(uiBlock *block, int type, int retval, const char *s
 		but->flag|= UI_ICON_LEFT;
 	}
 	
-	if (!prop || !RNA_property_editable(&but->rnapoin, prop)) {
-		but->flag |= UI_BUT_DISABLED;
-		but->lock = 1;
-		but->lockstr = "";
+	if (!RNA_property_editable(&but->rnapoin, prop)) {
+		UI_DEF_BUT_RNA_DISABLE(but);
 	}
 
 	/* If this button uses units, calculate the step from this */
@@ -2645,6 +2646,23 @@ static uiBut *ui_def_but_rna(uiBlock *block, int type, int retval, const char *s
 	return but;
 }
 
+static uiBut *ui_def_but_rna_propname(uiBlock *block, int type, int retval, const char *str, int x1, int y1, short x2, short y2, PointerRNA *ptr, const char *propname, int index, float min, float max, float a1, float a2,  const char *tip)
+{
+	PropertyRNA *prop= RNA_struct_find_property(ptr, propname);
+	uiBut *but;
+
+	if(prop) {
+		but= ui_def_but_rna(block, type, retval, str, x1, y1, x2, y2, ptr, prop, index, min, max, a1, a2,  tip);
+	}
+	else {
+		but= ui_def_but(block, type, retval, propname, x1, y1, x2, y2, NULL, min, max, a1, a2, tip);
+
+		UI_DEF_BUT_RNA_DISABLE(but);
+	}
+
+	return but;
+}
+
 static uiBut *ui_def_but_operator(uiBlock *block, int type, const char *opname, int opcontext, const char *str, int x1, int y1, short x2, short y2, const char *tip)
 {
 	uiBut *but;
@@ -2812,6 +2830,16 @@ static void autocomplete_id(bContext *C, char *str, void *arg_v)
 	}
 }
 
+static void ui_check_but_and_iconize(uiBut *but, int icon)
+{
+	if(icon) {
+		but->icon= (BIFIconID) icon;
+		but->flag|= UI_HAS_ICON;
+	}
+
+	ui_check_but(but);
+}
+
 static uiBut *uiDefButBit(uiBlock *block, int type, int bit, int retval, const char *str, int x1, int y1, short x2, short y2, void *poin, float min, float max, float a1, float a2,  const char *tip)
 {
 	int bitIdx= findBitIndex(bit);
@@ -2856,31 +2884,29 @@ uiBut *uiDefButBitC(uiBlock *block, int type, int bit, int retval, const char *s
 uiBut *uiDefButR(uiBlock *block, int type, int retval, const char *str, int x1, int y1, short x2, short y2, PointerRNA *ptr, const char *propname, int index, float min, float max, float a1, float a2,  const char *tip)
 {
 	uiBut *but;
-
-	but= ui_def_but_rna(block, type, retval, str, x1, y1, x2, y2, ptr, propname, index, min, max, a1, a2, tip);
-	if(but)
-		ui_check_but(but);
-
+	but= ui_def_but_rna_propname(block, type, retval, str, x1, y1, x2, y2, ptr, propname, index, min, max, a1, a2, tip);
+	ui_check_but(but);
+	return but;
+}
+uiBut *uiDefButR_prop(uiBlock *block, int type, int retval, const char *str, int x1, int y1, short x2, short y2, PointerRNA *ptr, PropertyRNA *prop, int index, float min, float max, float a1, float a2,  const char *tip)
+{
+	uiBut *but;
+	but= ui_def_but_rna(block, type, retval, str, x1, y1, x2, y2, ptr, prop, index, min, max, a1, a2, tip);
+	ui_check_but(but);
 	return but;
 }
 uiBut *uiDefButO(uiBlock *block, int type, const char *opname, int opcontext, const char *str, int x1, int y1, short x2, short y2, const char *tip)
 {
 	uiBut *but;
-
 	but= ui_def_but_operator(block, type, opname, opcontext, str, x1, y1, x2, y2, tip);
-	if(but)
-		ui_check_but(but);
-
+	ui_check_but(but);
 	return but;
 }
 
 uiBut *uiDefButTextO(uiBlock *block, int type, const char *opname, int opcontext, const char *str, int x1, int y1, short x2, short y2, void *poin, float min, float max, float a1, float a2,  const char *tip)
 {
 	uiBut *but= ui_def_but_operator_text(block, type, opname, opcontext, str, x1, y1, x2, y2, poin, min, max, a1, a2, tip);
-
-	if(but)
-		ui_check_but(but);
-	
+	ui_check_but(but);
 	return but;
 }
 
@@ -2888,12 +2914,7 @@ uiBut *uiDefButTextO(uiBlock *block, int type, const char *opname, int opcontext
 uiBut *uiDefIconBut(uiBlock *block, int type, int retval, int icon, int x1, int y1, short x2, short y2, void *poin, float min, float max, float a1, float a2,  const char *tip)
 {
 	uiBut *but= ui_def_but(block, type, retval, "", x1, y1, x2, y2, poin, min, max, a1, a2, tip);
-	
-	but->icon= (BIFIconID) icon;
-	but->flag|= UI_HAS_ICON;
-
-	ui_check_but(but);
-	
+	ui_check_but_and_iconize(but, icon);
 	return but;
 }
 static uiBut *uiDefIconButBit(uiBlock *block, int type, int bit, int retval, int icon, int x1, int y1, short x2, short y2, void *poin, float min, float max, float a1, float a2, const char *tip)
@@ -2941,29 +2962,22 @@ uiBut *uiDefIconButBitC(uiBlock *block, int type, int bit, int retval, int icon,
 uiBut *uiDefIconButR(uiBlock *block, int type, int retval, int icon, int x1, int y1, short x2, short y2, PointerRNA *ptr, const char *propname, int index, float min, float max, float a1, float a2,  const char *tip)
 {
 	uiBut *but;
-
-	but= ui_def_but_rna(block, type, retval, "", x1, y1, x2, y2, ptr, propname, index, min, max, a1, a2, tip);
-	if(but) {
-		if(icon) {
-			but->icon= (BIFIconID) icon;
-			but->flag|= UI_HAS_ICON;
-		}
-		ui_check_but(but);
-	}
-
+	but= ui_def_but_rna_propname(block, type, retval, "", x1, y1, x2, y2, ptr, propname, index, min, max, a1, a2, tip);
+	ui_check_but_and_iconize(but, icon);
+	return but;
+}
+uiBut *uiDefIconButR_prop(uiBlock *block, int type, int retval, int icon, int x1, int y1, short x2, short y2, PointerRNA *ptr, PropertyRNA *prop, int index, float min, float max, float a1, float a2,  const char *tip)
+{
+	uiBut *but;
+	but= ui_def_but_rna(block, type, retval, "", x1, y1, x2, y2, ptr, prop, index, min, max, a1, a2, tip);
+	ui_check_but_and_iconize(but, icon);
 	return but;
 }
 uiBut *uiDefIconButO(uiBlock *block, int type, const char *opname, int opcontext, int icon, int x1, int y1, short x2, short y2, const char *tip)
 {
 	uiBut *but;
-
 	but= ui_def_but_operator(block, type, opname, opcontext, "", x1, y1, x2, y2, tip);
-	if(but) {
-		but->icon= (BIFIconID) icon;
-		but->flag|= UI_HAS_ICON;
-		ui_check_but(but);
-	}
-
+	ui_check_but_and_iconize(but, icon);
 	return but;
 }
 
@@ -2971,14 +2985,8 @@ uiBut *uiDefIconButO(uiBlock *block, int type, const char *opname, int opcontext
 uiBut *uiDefIconTextBut(uiBlock *block, int type, int retval, int icon, const char *str, int x1, int y1, short x2, short y2, void *poin, float min, float max, float a1, float a2,  const char *tip)
 {
 	uiBut *but= ui_def_but(block, type, retval, str, x1, y1, x2, y2, poin, min, max, a1, a2, tip);
-
-	but->icon= (BIFIconID) icon;
-	but->flag|= UI_HAS_ICON;
-
+	ui_check_but_and_iconize(but, icon);
 	but->flag|= UI_ICON_LEFT;
-
-	ui_check_but(but);
-
 	return but;
 }
 static uiBut *uiDefIconTextButBit(uiBlock *block, int type, int bit, int retval, int icon, const char *str, int x1, int y1, short x2, short y2, void *poin, float min, float max, float a1, float a2,  const char *tip)
@@ -3026,31 +3034,25 @@ uiBut *uiDefIconTextButBitC(uiBlock *block, int type, int bit, int retval, int i
 uiBut *uiDefIconTextButR(uiBlock *block, int type, int retval, int icon, const char *str, int x1, int y1, short x2, short y2, PointerRNA *ptr, const char *propname, int index, float min, float max, float a1, float a2,  const char *tip)
 {
 	uiBut *but;
-
-	but= ui_def_but_rna(block, type, retval, str, x1, y1, x2, y2, ptr, propname, index, min, max, a1, a2, tip);
-	if(but) {
-		if(icon) {
-			but->icon= (BIFIconID) icon;
-			but->flag|= UI_HAS_ICON;
-		}
-		but->flag|= UI_ICON_LEFT;
-		ui_check_but(but);
-	}
-
+	but= ui_def_but_rna_propname(block, type, retval, str, x1, y1, x2, y2, ptr, propname, index, min, max, a1, a2, tip);
+	ui_check_but_and_iconize(but, icon);
+	but->flag|= UI_ICON_LEFT;
+	return but;
+}
+uiBut *uiDefIconTextButR_prop(uiBlock *block, int type, int retval, int icon, const char *str, int x1, int y1, short x2, short y2, PointerRNA *ptr, PropertyRNA *prop, int index, float min, float max, float a1, float a2,  const char *tip)
+{
+	uiBut *but;
+	but= ui_def_but_rna(block, type, retval, str, x1, y1, x2, y2, ptr, prop, index, min, max, a1, a2, tip);
+	ui_check_but_and_iconize(but, icon);
+	but->flag|= UI_ICON_LEFT;
 	return but;
 }
 uiBut *uiDefIconTextButO(uiBlock *block, int type, const char *opname, int opcontext, int icon, const char *str, int x1, int y1, short x2, short y2, const char *tip)
 {
 	uiBut *but;
-
 	but= ui_def_but_operator(block, type, opname, opcontext, str, x1, y1, x2, y2, tip);
-	if(but) {
-		but->icon= (BIFIconID) icon;
-		but->flag|= UI_HAS_ICON;
-		but->flag|= UI_ICON_LEFT;
-		ui_check_but(but);
-	}
-
+	ui_check_but_and_iconize(but, icon);
+	but->flag|= UI_ICON_LEFT;
 	return but;
 }
 
diff --git a/source/blender/editors/interface/interface_anim.c b/source/blender/editors/interface/interface_anim.c
index 75e7ee701a2..d9691819b29 100644
--- a/source/blender/editors/interface/interface_anim.c
+++ b/source/blender/editors/interface/interface_anim.c
@@ -1,3 +1,27 @@
+/*
+ * $Id$
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * Contributor(s):
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
 /** \file blender/editors/interface/interface_anim.c
  *  \ingroup edinterface
  */
diff --git a/source/blender/editors/interface/interface_handlers.c b/source/blender/editors/interface/interface_handlers.c
index 1a36130b522..066d7c470af 100644
--- a/source/blender/editors/interface/interface_handlers.c
+++ b/source/blender/editors/interface/interface_handlers.c
@@ -1290,7 +1290,7 @@ static void ui_textedit_set_cursor_pos(uiBut *but, uiHandleButtonData *data, sho
 	else if(ELEM(but->type, TEX, SEARCH_MENU)) {
 		startx += 5;
 		if (but->flag & UI_HAS_ICON)
-			startx += 16;
+			startx += UI_DPI_ICON_SIZE;
 	}
 	
 	/* mouse dragged outside the widget to the left */
@@ -2856,7 +2856,7 @@ static int ui_do_but_SLI(bContext *C, uiBlock *block, uiBut *but, uiHandleButton
 
 static int ui_do_but_SCROLL(bContext *C, uiBlock *block, uiBut *but, uiHandleButtonData *data, wmEvent *event)
 {
-	int mx, my, click= 0;
+	int mx, my /*, click= 0 */;
 	int retval= WM_UI_HANDLER_CONTINUE;
 	int horizontal= (but->x2 - but->x1 > but->y2 - but->y1);
 	
@@ -2878,8 +2878,10 @@ static int ui_do_but_SCROLL(bContext *C, uiBlock *block, uiBut *but, uiHandleBut
 				button_activate_state(C, but, BUTTON_STATE_NUM_EDITING);
 				retval= WM_UI_HANDLER_BREAK;
 			}
-			else if(ELEM(event->type, PADENTER, RETKEY) && event->val==KM_PRESS)
+			/* UNUSED - otherwise code is ok, add back if needed */
+			/* else if(ELEM(event->type, PADENTER, RETKEY) && event->val==KM_PRESS)
 				click= 1;
+			*/
 		}
 	}
 	else if(data->state == BUTTON_STATE_NUM_EDITING) {
@@ -3677,6 +3679,9 @@ static int ui_do_but_CURVE(bContext *C, uiBlock *block, uiBut *but, uiHandleButt
 		return WM_UI_HANDLER_BREAK;
 	}
 
+	/* UNUSED but keep for now */
+	(void)changed;
+
 	return WM_UI_HANDLER_CONTINUE;
 }
 
@@ -3691,12 +3696,12 @@ static int ui_numedit_but_HISTOGRAM(uiBut *but, uiHandleButtonData *data, int mx
 	Histogram *hist = (Histogram *)but->poin;
 	/* rcti rect; */
 	int changed= 1;
-	float dx, dy, yfac=1.f;
+	float /* dx, */ dy, yfac=1.f; /* UNUSED */
 	
 	/* rect.xmin= but->x1; rect.xmax= but->x2; */
 	/* rect.ymin= but->y1; rect.ymax= but->y2; */
 	
-	dx = mx - data->draglastx;
+	/* dx = mx - data->draglastx; */ /* UNUSED */
 	dy = my - data->draglasty;
 	
 	
@@ -3774,12 +3779,12 @@ static int ui_numedit_but_WAVEFORM(uiBut *but, uiHandleButtonData *data, int mx,
 	Scopes *scopes = (Scopes *)but->poin;
 	/* rcti rect; */
 	int changed= 1;
-	float dx, dy, yfac=1.f;
+	float /* dx, */ dy /* , yfac=1.f */; /* UNUSED */
 
 	/* rect.xmin= but->x1; rect.xmax= but->x2; */
 	/* rect.ymin= but->y1; rect.ymax= but->y2; */
 
-	dx = mx - data->draglastx;
+	/* dx = mx - data->draglastx; */ /* UNUSED */
 	dy = my - data->draglasty;
 
 
@@ -3788,7 +3793,7 @@ static int ui_numedit_but_WAVEFORM(uiBut *but, uiHandleButtonData *data, int mx,
 		scopes->wavefrm_height = (but->y2 - but->y1) + (data->dragstarty - my);
 	} else {
 		/* scale waveform values */
-		yfac = scopes->wavefrm_yfac;
+		/* yfac = scopes->wavefrm_yfac; */ /* UNUSED */
 		scopes->wavefrm_yfac += dy/200.0f;
 
 		CLAMP(scopes->wavefrm_yfac, 0.5f, 2.f);
@@ -4067,7 +4072,6 @@ static void but_shortcut_name_func(bContext *C, void *arg1, int UNUSED(event))
 		
 		/* complex code to change name of button */
 		if(WM_key_event_operator_string(C, but->optype->idname, but->opcontext, prop, buf, sizeof(buf))) {
-			wmKeyMap *km= NULL;
 			char *butstr_orig;
 
 			// XXX but->str changed... should not, remove the hotkey from it
@@ -4080,10 +4084,6 @@ static void but_shortcut_name_func(bContext *C, void *arg1, int UNUSED(event))
 			but->str= but->strdata;
 
 			ui_check_but(but);
-
-			/* set the keymap editable else the key wont save */
-			WM_key_event_operator_id(C, but->optype->idname, but->opcontext, prop, 1, &km);
-			WM_keymap_copy_to_user(km);
 		}
 		else {
 			/* shortcut was removed */
@@ -4095,6 +4095,7 @@ static void but_shortcut_name_func(bContext *C, void *arg1, int UNUSED(event))
 
 static uiBlock *menu_change_shortcut(bContext *C, ARegion *ar, void *arg)
 {
+	wmWindowManager *wm= CTX_wm_manager(C);
 	uiBlock *block;
 	uiBut *but = (uiBut *)arg;
 	wmKeyMap *km;
@@ -4107,7 +4108,7 @@ static uiBlock *menu_change_shortcut(bContext *C, ARegion *ar, void *arg)
 
 	kmi = WM_keymap_item_find_id(km, kmi_id);
 	
-	RNA_pointer_create(NULL, &RNA_KeyMapItem, kmi, &ptr);
+	RNA_pointer_create(&wm->id, &RNA_KeyMapItem, kmi, &ptr);
 	
 	block= uiBeginBlock(C, ar, "_popup", UI_EMBOSS);
 	uiBlockSetHandleFunc(block, but_shortcut_name_func, but);
@@ -4126,6 +4127,7 @@ static uiBlock *menu_change_shortcut(bContext *C, ARegion *ar, void *arg)
 
 static uiBlock *menu_add_shortcut(bContext *C, ARegion *ar, void *arg)
 {
+	wmWindowManager *wm= CTX_wm_manager(C);
 	uiBlock *block;
 	uiBut *but = (uiBut *)arg;
 	wmKeyMap *km;
@@ -4134,19 +4136,25 @@ static uiBlock *menu_add_shortcut(bContext *C, ARegion *ar, void *arg)
 	uiLayout *layout;
 	uiStyle *style= UI_GetStyle();
 	IDProperty *prop= (but->opptr)? but->opptr->data: NULL;
+	int kmi_id;
 	
 	/* XXX this guess_opname can potentially return a different keymap than being found on adding later... */
 	km = WM_keymap_guess_opname(C, but->optype->idname);		
 	kmi = WM_keymap_add_item(km, but->optype->idname, AKEY, KM_PRESS, 0, 0);
+	kmi_id = kmi->id;
 
-	if (prop) {
+	/* copy properties, prop can be NULL for reset */	
+	if(prop)
 		prop= IDP_CopyProperty(prop);
-	}
-
-	/* prop can be NULL */	
 	WM_keymap_properties_reset(kmi, prop);
 
-	RNA_pointer_create(NULL, &RNA_KeyMapItem, kmi, &ptr);
+	/* update and get pointers again */
+	WM_keyconfig_update(wm);
+
+	km = WM_keymap_guess_opname(C, but->optype->idname);		
+	kmi = WM_keymap_item_find_id(km, kmi_id);
+
+	RNA_pointer_create(&wm->id, &RNA_KeyMapItem, kmi, &ptr);
 
 	block= uiBeginBlock(C, ar, "_popup", UI_EMBOSS);
 	uiBlockSetHandleFunc(block, but_shortcut_name_func, but);
diff --git a/source/blender/editors/interface/interface_icons.c b/source/blender/editors/interface/interface_icons.c
index 3bf2a9ddd02..412c0233c35 100644
--- a/source/blender/editors/interface/interface_icons.c
+++ b/source/blender/editors/interface/interface_icons.c
@@ -742,6 +742,7 @@ static DrawInfo *icon_create_drawinfo(void)
 	return di;
 }
 
+/* note!, returns unscaled by DPI, may need to multiply result by UI_DPI_ICON_FAC */
 int UI_icon_get_width(int icon_id)
 {
 	Icon *icon = NULL;
@@ -952,7 +953,7 @@ static void icon_draw_size(float x, float y, int icon_id, float aspect, float al
 	Icon *icon = NULL;
 	DrawInfo *di = NULL;
 	IconImage *iimg;
-	float fdraw_size= UI_DPI_FAC*draw_size;
+	float fdraw_size= UI_DPI_ICON_FAC*draw_size;
 	int w, h;
 	
 	icon = BKE_icon_get(icon_id);
diff --git a/source/blender/editors/interface/interface_layout.c b/source/blender/editors/interface/interface_layout.c
index 2d0f49f293b..9ba7fc9effc 100644
--- a/source/blender/editors/interface/interface_layout.c
+++ b/source/blender/editors/interface/interface_layout.c
@@ -421,7 +421,7 @@ static void ui_item_array(uiLayout *layout, uiBlock *block, const char *name, in
 		}
 	}
 	else if(subtype == PROP_DIRECTION) {
-		uiDefButR(block, BUT_NORMAL, 0, name, x, y, UI_UNIT_X*3, UI_UNIT_Y*3, ptr, RNA_property_identifier(prop), 0, 0, 0, -1, -1, NULL);
+		uiDefButR_prop(block, BUT_NORMAL, 0, name, x, y, UI_UNIT_X*3, UI_UNIT_Y*3, ptr, prop, 0, 0, 0, -1, -1, NULL);
 	}
 	else {
 		if(ELEM(subtype, PROP_COLOR, PROP_COLOR_GAMMA) && !expand)
@@ -463,11 +463,9 @@ static void ui_item_enum_expand(uiLayout *layout, uiBlock *block, PointerRNA *pt
 {
 	uiBut *but;
 	EnumPropertyItem *item;
-	const char *identifier;
 	const char *name;
 	int a, totitem, itemw, icon, value, free;
 
-	identifier= RNA_property_identifier(prop);
 	RNA_property_enum_items(block->evil_C, ptr, prop, &item, &totitem, &free);
 
 	uiBlockSetCurLayout(block, ui_item_local_sublayout(layout, layout, 1));
@@ -481,11 +479,11 @@ static void ui_item_enum_expand(uiLayout *layout, uiBlock *block, PointerRNA *pt
 		itemw= ui_text_icon_width(block->curlayout, name, icon, 0);
 
 		if(icon && name[0] && !icon_only)
-			but= uiDefIconTextButR(block, ROW, 0, icon, name, 0, 0, itemw, h, ptr, identifier, -1, 0, value, -1, -1, NULL);
+			but= uiDefIconTextButR_prop(block, ROW, 0, icon, name, 0, 0, itemw, h, ptr, prop, -1, 0, value, -1, -1, NULL);
 		else if(icon)
-			but= uiDefIconButR(block, ROW, 0, icon, 0, 0, itemw, h, ptr, identifier, -1, 0, value, -1, -1, NULL);
+			but= uiDefIconButR_prop(block, ROW, 0, icon, 0, 0, itemw, h, ptr, prop, -1, 0, value, -1, -1, NULL);
 		else
-			but= uiDefButR(block, ROW, 0, name, 0, 0, itemw, h, ptr, identifier, -1, 0, value, -1, -1, NULL);
+			but= uiDefButR_prop(block, ROW, 0, name, 0, 0, itemw, h, ptr, prop, -1, 0, value, -1, -1, NULL);
 
 		if(ui_layout_local_dir(layout) != UI_LAYOUT_HORIZONTAL)
 			but->flag |= UI_TEXT_LEFT;
@@ -542,7 +540,7 @@ static uiBut *ui_item_with_label(uiLayout *layout, uiBlock *block, const char *n
 		                   WM_OP_INVOKE_DEFAULT, ICON_FILESEL, x, y, UI_UNIT_X, h, NULL);
 	}
 	else if(flag & UI_ITEM_R_EVENT) {
-		uiDefButR(block, KEYEVT, 0, name, x, y, w, h, ptr, RNA_property_identifier(prop), index, 0, 0, -1, -1, NULL);
+		uiDefButR_prop(block, KEYEVT, 0, name, x, y, w, h, ptr, prop, index, 0, 0, -1, -1, NULL);
 	}
 	else if(flag & UI_ITEM_R_FULL_EVENT) {
 		if(RNA_struct_is_a(ptr->type, &RNA_KeyMapItem)) {
@@ -550,7 +548,7 @@ static uiBut *ui_item_with_label(uiLayout *layout, uiBlock *block, const char *n
 
 			WM_keymap_item_to_string(ptr->data, buf, sizeof(buf));
 
-			but= uiDefButR(block, HOTKEYEVT, 0, buf, x, y, w, h, ptr, RNA_property_identifier(prop), 0, 0, 0, -1, -1, NULL);
+			but= uiDefButR_prop(block, HOTKEYEVT, 0, buf, x, y, w, h, ptr, prop, 0, 0, 0, -1, -1, NULL);
 			uiButSetFunc(but, ui_keymap_but_cb, but, NULL);
 			if (flag & UI_ITEM_R_IMMEDIATE)
 				uiButSetFlag(but, UI_BUT_IMMEDIATE);
@@ -1010,11 +1008,11 @@ void uiItemFullR(uiLayout *layout, PointerRNA *ptr, PropertyRNA *prop, int index
 		const char *identifier= RNA_property_identifier(prop);
 
 		if(icon && name[0] && !icon_only)
-			uiDefIconTextButR(block, ROW, 0, icon, name, 0, 0, w, h, ptr, identifier, -1, 0, value, -1, -1, NULL);
+			uiDefIconTextButR_prop(block, ROW, 0, icon, name, 0, 0, w, h, ptr, prop, -1, 0, value, -1, -1, NULL);
 		else if(icon)
 			uiDefIconButR(block, ROW, 0, icon, 0, 0, w, h, ptr, identifier, -1, 0, value, -1, -1, NULL);
 		else
-			uiDefButR(block, ROW, 0, name, 0, 0, w, h, ptr, identifier, -1, 0, value, -1, -1, NULL);
+			uiDefButR_prop(block, ROW, 0, name, 0, 0, w, h, ptr, prop, -1, 0, value, -1, -1, NULL);
 	}
 	/* expanded enum */
 	else if(type == PROP_ENUM && (expand || RNA_property_flag(prop) & PROP_ENUM_FLAG))
@@ -2749,6 +2747,25 @@ void uiLayoutOperatorButs(const bContext *C, uiLayout *layout, wmOperator *op,in
 		uiItemL(layout, "* Redo Unsupported *", ICON_NONE); // XXX, could give some nicer feedback or not show redo panel at all?
 	}
 
+	/* menu */
+	if(op->type->flag & OPTYPE_PRESET) {
+		/* XXX, no simple way to get WM_MT_operator_presets.bl_label from python! Label remains the same always! */
+		PointerRNA op_ptr;
+		uiLayout *row;
+
+		row= uiLayoutRow(layout, TRUE);
+		uiItemM(row, (bContext *)C, "WM_MT_operator_presets", NULL, ICON_NONE);
+
+		WM_operator_properties_create(&op_ptr, "WM_OT_operator_preset_add");
+		RNA_string_set(&op_ptr, "operator", op->type->idname);
+		op_ptr= uiItemFullO(row, "WM_OT_operator_preset_add", "", ICON_ZOOMIN, op_ptr.data, WM_OP_INVOKE_DEFAULT, 0);
+
+		WM_operator_properties_create(&op_ptr, "WM_OT_operator_preset_add");
+		RNA_string_set(&op_ptr, "operator", op->type->idname);
+		RNA_boolean_set(&op_ptr, "remove_active", 1);
+		op_ptr= uiItemFullO(row, "WM_OT_operator_preset_add", "", ICON_ZOOMOUT, op_ptr.data, WM_OP_INVOKE_DEFAULT, 0);
+	}
+
 	if(op->type->ui) {
 		op->layout= layout;
 		op->type->ui((bContext*)C, op);
@@ -2763,25 +2780,6 @@ void uiLayoutOperatorButs(const bContext *C, uiLayout *layout, wmOperator *op,in
 
 		RNA_pointer_create(&wm->id, op->type->srna, op->properties, &ptr);
 
-		/* menu */
-		if(op->type->flag & OPTYPE_PRESET) {
-			/* XXX, no simple way to get WM_MT_operator_presets.bl_label from python! Label remains the same always! */
-			PointerRNA op_ptr;
-			uiLayout *row;
-
-			row= uiLayoutRow(layout, TRUE);
-			uiItemM(row, (bContext *)C, "WM_MT_operator_presets", NULL, ICON_NONE);
-
-			WM_operator_properties_create(&op_ptr, "WM_OT_operator_preset_add");
-			RNA_string_set(&op_ptr, "operator", op->type->idname);
-			op_ptr= uiItemFullO(row, "WM_OT_operator_preset_add", "", ICON_ZOOMIN, op_ptr.data, WM_OP_INVOKE_DEFAULT, 0);
-
-			WM_operator_properties_create(&op_ptr, "WM_OT_operator_preset_add");
-			RNA_string_set(&op_ptr, "operator", op->type->idname);
-			RNA_boolean_set(&op_ptr, "remove_active", 1);
-			op_ptr= uiItemFullO(row, "WM_OT_operator_preset_add", "", ICON_ZOOMOUT, op_ptr.data, WM_OP_INVOKE_DEFAULT, 0);
-		}
-
 		/* main draw call */
 		empty= uiDefAutoButsRNA(layout, &ptr, check_prop, label_align) == 0;
 
diff --git a/source/blender/editors/interface/interface_regions.c b/source/blender/editors/interface/interface_regions.c
index 17c064f3ba2..ba259ed3def 100644
--- a/source/blender/editors/interface/interface_regions.c
+++ b/source/blender/editors/interface/interface_regions.c
@@ -1934,31 +1934,31 @@ static void do_picker_new_mode_cb(bContext *UNUSED(C), void *bt1, void *UNUSED(a
 
 #define PICKER_TOTAL_W	(PICKER_W+PICKER_SPACE+PICKER_BAR)
 
-static void circle_picker(uiBlock *block, PointerRNA *ptr, const char *propname)
+static void circle_picker(uiBlock *block, PointerRNA *ptr, PropertyRNA *prop)
 {
 	uiBut *bt;
 	
 	/* HS circle */
-	bt= uiDefButR(block, HSVCIRCLE, 0, "",	0, 0, PICKER_H, PICKER_W, ptr, propname, 0, 0.0, 0.0, 0, 0, "Color");
+	bt= uiDefButR_prop(block, HSVCIRCLE, 0, "",	0, 0, PICKER_H, PICKER_W, ptr, prop, 0, 0.0, 0.0, 0, 0, "Color");
 	uiButSetFunc(bt, do_picker_rna_cb, bt, NULL);
 	
 	/* value */
-	bt= uiDefButR(block, HSVCUBE, 0, "", PICKER_W+PICKER_SPACE,0,PICKER_BAR,PICKER_H, ptr, propname, 0, 0.0, 0.0, UI_GRAD_V_ALT, 0, "Value");
+	bt= uiDefButR_prop(block, HSVCUBE, 0, "", PICKER_W+PICKER_SPACE,0,PICKER_BAR,PICKER_H, ptr, prop, 0, 0.0, 0.0, UI_GRAD_V_ALT, 0, "Value");
 	uiButSetFunc(bt, do_picker_rna_cb, bt, NULL);
 }
 
 
-static void square_picker(uiBlock *block, PointerRNA *ptr, const char *propname, int type)
+static void square_picker(uiBlock *block, PointerRNA *ptr, PropertyRNA *prop, int type)
 {
 	uiBut *bt;
 	int bartype = type + 3;
 	
 	/* HS square */
-	bt= uiDefButR(block, HSVCUBE, 0, "",	0, PICKER_BAR+PICKER_SPACE, PICKER_TOTAL_W, PICKER_H, ptr, propname, 0, 0.0, 0.0, type, 0, "Color");
+	bt= uiDefButR_prop(block, HSVCUBE, 0, "",	0, PICKER_BAR+PICKER_SPACE, PICKER_TOTAL_W, PICKER_H, ptr, prop, 0, 0.0, 0.0, type, 0, "Color");
 	uiButSetFunc(bt, do_picker_rna_cb, bt, NULL);
 	
 	/* value */
-	bt= uiDefButR(block, HSVCUBE, 0, "",		0, 0, PICKER_TOTAL_W, PICKER_BAR, ptr, propname, 0, 0.0, 0.0, bartype, 0, "Value");
+	bt= uiDefButR_prop(block, HSVCUBE, 0, "",		0, 0, PICKER_TOTAL_W, PICKER_BAR, ptr, prop, 0, 0.0, 0.0, bartype, 0, "Value");
 	uiButSetFunc(bt, do_picker_rna_cb, bt, NULL);
 }
 
@@ -1973,7 +1973,6 @@ static void uiBlockPicker(uiBlock *block, float *rgb, PointerRNA *ptr, PropertyR
 	static char hexcol[128];
 	float rgb_gamma[3];
 	float min, max, step, precision;
-	const char *propname = RNA_property_identifier(prop);
 	float *hsv= ui_block_hsv_get(block);
 	
 	ui_block_hsv_get(block);
@@ -1999,16 +1998,16 @@ static void uiBlockPicker(uiBlock *block, float *rgb, PointerRNA *ptr, PropertyR
 
 	switch (U.color_picker_type) {
 		case USER_CP_CIRCLE:
-			circle_picker(block, ptr, propname);
+			circle_picker(block, ptr, prop);
 			break;
 		case USER_CP_SQUARE_SV:
-			square_picker(block, ptr, propname, UI_GRAD_SV);
+			square_picker(block, ptr, prop, UI_GRAD_SV);
 			break;
 		case USER_CP_SQUARE_HS:
-			square_picker(block, ptr, propname, UI_GRAD_HS);
+			square_picker(block, ptr, prop, UI_GRAD_HS);
 			break;
 		case USER_CP_SQUARE_HV:
-			square_picker(block, ptr, propname, UI_GRAD_HV);
+			square_picker(block, ptr, prop, UI_GRAD_HV);
 			break;
 	}
 	
@@ -2027,11 +2026,11 @@ static void uiBlockPicker(uiBlock *block, float *rgb, PointerRNA *ptr, PropertyR
 	
 	/* RGB values */
 	uiBlockBeginAlign(block);
-	bt= uiDefButR(block, NUMSLI, 0, "R ",	0, -60, butwidth, UI_UNIT_Y, ptr, propname, 0, 0.0, 0.0, 0, 3, "Red");
+	bt= uiDefButR_prop(block, NUMSLI, 0, "R ",	0, -60, butwidth, UI_UNIT_Y, ptr, prop, 0, 0.0, 0.0, 0, 3, "Red");
 	uiButSetFunc(bt, do_picker_rna_cb, bt, NULL);
-	bt= uiDefButR(block, NUMSLI, 0, "G ",	0, -80, butwidth, UI_UNIT_Y, ptr, propname, 1, 0.0, 0.0, 0, 3, "Green");
+	bt= uiDefButR_prop(block, NUMSLI, 0, "G ",	0, -80, butwidth, UI_UNIT_Y, ptr, prop, 1, 0.0, 0.0, 0, 3, "Green");
 	uiButSetFunc(bt, do_picker_rna_cb, bt, NULL);
-	bt= uiDefButR(block, NUMSLI, 0, "B ",	0, -100, butwidth, UI_UNIT_Y, ptr, propname, 2, 0.0, 0.0, 0, 3, "Blue");
+	bt= uiDefButR_prop(block, NUMSLI, 0, "B ",	0, -100, butwidth, UI_UNIT_Y, ptr, prop, 2, 0.0, 0.0, 0, 3, "Blue");
 	uiButSetFunc(bt, do_picker_rna_cb, bt, NULL);
 
 	// could use uiItemFullR(col, ptr, prop, -1, 0, UI_ITEM_R_EXPAND|UI_ITEM_R_SLIDER, "", ICON_NONE);
@@ -2048,7 +2047,7 @@ static void uiBlockPicker(uiBlock *block, float *rgb, PointerRNA *ptr, PropertyR
 	uiBlockEndAlign(block);
 
 	if(rgb[3] != FLT_MAX) {
-		bt= uiDefButR(block, NUMSLI, 0, "A ",	0, -120, butwidth, UI_UNIT_Y, ptr, propname, 3, 0.0, 0.0, 0, 0, "Alpha");
+		bt= uiDefButR_prop(block, NUMSLI, 0, "A ",	0, -120, butwidth, UI_UNIT_Y, ptr, prop, 3, 0.0, 0.0, 0, 0, "Alpha");
 		uiButSetFunc(bt, do_picker_rna_cb, bt, NULL);
 	}
 	else {
diff --git a/source/blender/editors/interface/interface_style.c b/source/blender/editors/interface/interface_style.c
index 7d1596459dd..af3d1c2d5e6 100644
--- a/source/blender/editors/interface/interface_style.c
+++ b/source/blender/editors/interface/interface_style.c
@@ -149,9 +149,9 @@ void uiStyleFontDrawExt(uiFontStyle *fs, rcti *rect, const char *str,
 	int xofs=0, yofs;
 	
 	uiStyleFontSet(fs);
-	
-	height= BLF_height(fs->uifont_id, "2"); /* correct offset is on baseline, the j is below that */
-	yofs= floor( 0.5f*(rect->ymax - rect->ymin - height));
+
+	height= BLF_ascender(fs->uifont_id);
+	yofs= ceil( 0.5f*(rect->ymax - rect->ymin - height));
 
 	if(fs->align==UI_STYLE_TEXT_CENTER) {
 		xofs= floor( 0.5f*(rect->xmax - rect->xmin - BLF_width(fs->uifont_id, str)));
@@ -206,9 +206,9 @@ void uiStyleFontDrawRotated(uiFontStyle *fs, rcti *rect, const char *str)
 
 	uiStyleFontSet(fs);
 
-	height= BLF_height(fs->uifont_id, "2");	/* correct offset is on baseline, the j is below that */
+	height= BLF_ascender(fs->uifont_id);
 	/* becomes x-offset when rotated */
-	xofs= floor( 0.5f*(rect->ymax - rect->ymin - height)) + 1;
+	xofs= ceil( 0.5f*(rect->ymax - rect->ymin - height));
 
 	/* ignore UI_STYLE, always aligned to top */
 
diff --git a/source/blender/editors/interface/interface_templates.c b/source/blender/editors/interface/interface_templates.c
index c1784da48bd..92b15ab4269 100644
--- a/source/blender/editors/interface/interface_templates.c
+++ b/source/blender/editors/interface/interface_templates.c
@@ -53,6 +53,7 @@
 #include "BKE_displist.h"
 
 #include "ED_screen.h"
+#include "ED_object.h"
 #include "ED_render.h"
 
 #include "RNA_access.h"
@@ -275,18 +276,28 @@ static void template_id_cb(bContext *C, void *arg_litem, void *arg_event)
 			break;
 		case UI_ID_ALONE:
 			if(id) {
+				const int do_scene_obj= (GS(id->name) == ID_OB) &&
+				                        (template->ptr.type == &RNA_SceneObjects);
+
 				/* make copy */
-				if(id_copy(id, &newid, 0) && newid) {
-					/* copy animation actions too */
-					BKE_copy_animdata_id_action(id);
-					/* us is 1 by convention, but RNA_property_pointer_set
-					   will also incremement it, so set it to zero */
-					newid->us= 0;
-
-					/* assign copy */
-					RNA_id_pointer_create(newid, &idptr);
-					RNA_property_pointer_set(&template->ptr, template->prop, idptr);
-					RNA_property_update(C, &template->ptr, template->prop);
+				if(do_scene_obj) {
+					Scene *scene= CTX_data_scene(C);
+					ED_object_single_user(scene, (struct Object *)id);
+					WM_event_add_notifier(C, NC_SCENE|ND_OB_ACTIVE, scene);
+				}
+				else {
+					if(id_copy(id, &newid, 0) && newid) {
+						/* copy animation actions too */
+						BKE_copy_animdata_id_action(id);
+						/* us is 1 by convention, but RNA_property_pointer_set
+						   will also incremement it, so set it to zero */
+						newid->us= 0;
+
+						/* assign copy */
+						RNA_id_pointer_create(newid, &idptr);
+						RNA_property_pointer_set(&template->ptr, template->prop, idptr);
+						RNA_property_update(C, &template->ptr, template->prop);
+					}
 				}
 			}
 			break;
@@ -404,10 +415,7 @@ static void template_ID(bContext *C, uiLayout *layout, TemplateID *template, Str
 
 			sprintf(str, "%d", id->us);
 
-			if(id->us<10)
-				but= uiDefBut(block, BUT, 0, str, 0,0,UI_UNIT_X,UI_UNIT_Y, NULL, 0, 0, 0, 0, _("Displays number of users of this data. Click to make a single-user copy."));
-			else
-				but= uiDefBut(block, BUT, 0, str, 0,0,UI_UNIT_X+10,UI_UNIT_Y, NULL, 0, 0, 0, 0, _("Displays number of users of this data. Click to make a single-user copy."));
+			but= uiDefBut(block, BUT, 0, str, 0,0,UI_UNIT_X + ((id->us < 10) ? 0:10), UI_UNIT_Y, NULL, 0, 0, 0, 0, _("Displays number of users of this data. Click to make a single-user copy."));
 
 			uiButSetNFunc(but, template_id_cb, MEM_dupallocN(template), SET_INT_IN_POINTER(UI_ID_ALONE));
 			if(!id_copy(id, NULL, 1 /* test only */) || (idfrom && idfrom->lib) || !editable)
@@ -1884,7 +1892,7 @@ void uiTemplateColorWheel(uiLayout *layout, PointerRNA *ptr, const char *propnam
 	col = uiLayoutColumn(layout, 0);
 	row= uiLayoutRow(col, 1);
 	
-	but= uiDefButR(block, HSVCIRCLE, 0, "",	0, 0, WHEEL_SIZE, WHEEL_SIZE, ptr, propname, -1, 0.0, 0.0, 0, 0, "");
+	but= uiDefButR_prop(block, HSVCIRCLE, 0, "",	0, 0, WHEEL_SIZE, WHEEL_SIZE, ptr, prop, -1, 0.0, 0.0, 0, 0, "");
 
 	if(lock) {
 		but->flag |= UI_BUT_COLOR_LOCK;
@@ -1903,7 +1911,7 @@ void uiTemplateColorWheel(uiLayout *layout, PointerRNA *ptr, const char *propnam
 	uiItemS(row);
 	
 	if (value_slider)
-		uiDefButR(block, HSVCUBE, 0, "", WHEEL_SIZE+6, 0, 14, WHEEL_SIZE, ptr, propname, -1, softmin, softmax, UI_GRAD_V_ALT, 0, "");
+		uiDefButR_prop(block, HSVCUBE, 0, "", WHEEL_SIZE+6, 0, 14, WHEEL_SIZE, ptr, prop, -1, softmin, softmax, UI_GRAD_V_ALT, 0, "");
 }
 
 /********************* Layer Buttons Template ************************/
@@ -2034,7 +2042,7 @@ static int list_item_icon_get(bContext *C, PointerRNA *itemptr, int rnaicon, int
 	return rnaicon;
 }
 
-static void list_item_row(bContext *C, uiLayout *layout, PointerRNA *ptr, PointerRNA *itemptr, int i, int rnaicon, PointerRNA *activeptr, const char *activepropname)
+static void list_item_row(bContext *C, uiLayout *layout, PointerRNA *ptr, PointerRNA *itemptr, int i, int rnaicon, PointerRNA *activeptr, PropertyRNA *activeprop)
 {
 	uiBlock *block= uiLayoutGetBlock(layout);
 	uiBut *but;
@@ -2048,7 +2056,7 @@ static void list_item_row(bContext *C, uiLayout *layout, PointerRNA *ptr, Pointe
 	/* list item behind label & other buttons */
 	sub= uiLayoutRow(overlap, 0);
 
-	but= uiDefButR(block, LISTROW, 0, "", 0,0, UI_UNIT_X*10,UI_UNIT_Y, activeptr, activepropname, 0, 0, i, 0, 0, "");
+	but= uiDefButR_prop(block, LISTROW, 0, "", 0,0, UI_UNIT_X*10,UI_UNIT_Y, activeptr, activeprop, 0, 0, i, 0, 0, "");
 	uiButSetFlag(but, UI_BUT_NO_TOOLTIP);
 
 	sub= uiLayoutRow(overlap, 0);
@@ -2201,7 +2209,7 @@ void uiTemplateList(uiLayout *layout, bContext *C, PointerRNA *ptr, const char *
 					row= uiLayoutRow(col, 0);
 
 				icon= list_item_icon_get(C, &itemptr, rnaicon, 1);
-				but= uiDefIconButR(block, LISTROW, 0, icon, 0,0,UI_UNIT_X*10,UI_UNIT_Y, activeptr, activepropname, 0, 0, i, 0, 0, "");
+				but= uiDefIconButR_prop(block, LISTROW, 0, icon, 0,0,UI_UNIT_X*10,UI_UNIT_Y, activeptr, activeprop, 0, 0, i, 0, 0, "");
 				uiButSetFlag(but, UI_BUT_NO_TOOLTIP);
 				
 
@@ -2241,7 +2249,7 @@ void uiTemplateList(uiLayout *layout, bContext *C, PointerRNA *ptr, const char *
 
 		/* next/prev button */
 		sprintf(str, "%d :", i);
-		but= uiDefIconTextButR(block, NUM, 0, 0, str, 0,0,UI_UNIT_X*5,UI_UNIT_Y, activeptr, activepropname, 0, 0, 0, 0, 0, "");
+		but= uiDefIconTextButR_prop(block, NUM, 0, 0, str, 0,0,UI_UNIT_X*5,UI_UNIT_Y, activeptr, activeprop, 0, 0, 0, 0, 0, "");
 		if(i == 0)
 			uiButSetFlag(but, UI_BUT_DISABLED);
 	}
@@ -2280,7 +2288,7 @@ void uiTemplateList(uiLayout *layout, bContext *C, PointerRNA *ptr, const char *
 			/* create list items */
 			RNA_PROP_BEGIN(ptr, itemptr, prop) {
 				if(i >= pa->list_scroll && i<pa->list_scroll+items)
-					list_item_row(C, col, ptr, &itemptr, i, rnaicon, activeptr, activepropname);
+					list_item_row(C, col, ptr, &itemptr, i, rnaicon, activeptr, activeprop);
 
 				i++;
 			}
diff --git a/source/blender/editors/interface/interface_utils.c b/source/blender/editors/interface/interface_utils.c
index 8f20f47f539..90735cc419b 100644
--- a/source/blender/editors/interface/interface_utils.c
+++ b/source/blender/editors/interface/interface_utils.c
@@ -53,56 +53,53 @@
 uiBut *uiDefAutoButR(uiBlock *block, PointerRNA *ptr, PropertyRNA *prop, int index, const char *name, int icon, int x1, int y1, int x2, int y2)
 {
 	uiBut *but=NULL;
-	const char *propname= RNA_property_identifier(prop);
-	char prop_item[MAX_IDPROP_NAME+4]; /* size of the ID prop name + room for [""] */
-	int arraylen= RNA_property_array_length(ptr, prop);
-
-	/* support for custom props */
-	if(RNA_property_is_idprop(prop)) {
-		sprintf(prop_item, "[\"%s\"]", propname);
-		propname= prop_item;
-	}
 
 	switch(RNA_property_type(prop)) {
-		case PROP_BOOLEAN: {
+		case PROP_BOOLEAN:
+		{
+			int arraylen= RNA_property_array_length(ptr, prop);
 
 			if(arraylen && index == -1)
 				return NULL;
 			
 			if(icon && name && name[0] == '\0')
-				but= uiDefIconButR(block, ICONTOG, 0, icon, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+				but= uiDefIconButR_prop(block, ICONTOG, 0, icon, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			else if(icon)
-				but= uiDefIconTextButR(block, ICONTOG, 0, icon, name, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+				but= uiDefIconTextButR_prop(block, ICONTOG, 0, icon, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			else
-				but= uiDefButR(block, OPTION, 0, name, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+				but= uiDefButR_prop(block, OPTION, 0, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			break;
 		}
 		case PROP_INT:
 		case PROP_FLOAT:
+		{
+			int arraylen= RNA_property_array_length(ptr, prop);
+
 			if(arraylen && index == -1) {
 				if(ELEM(RNA_property_subtype(prop), PROP_COLOR, PROP_COLOR_GAMMA))
-					but= uiDefButR(block, COL, 0, name, x1, y1, x2, y2, ptr, propname, 0, 0, 0, -1, -1, NULL);
+					but= uiDefButR_prop(block, COL, 0, name, x1, y1, x2, y2, ptr, prop, 0, 0, 0, -1, -1, NULL);
 			}
 			else if(RNA_property_subtype(prop) == PROP_PERCENTAGE || RNA_property_subtype(prop) == PROP_FACTOR)
-				but= uiDefButR(block, NUMSLI, 0, name, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+				but= uiDefButR_prop(block, NUMSLI, 0, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			else
-				but= uiDefButR(block, NUM, 0, name, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+				but= uiDefButR_prop(block, NUM, 0, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			break;
+		}
 		case PROP_ENUM:
 			if(icon && name && name[0] == '\0')
-				but= uiDefIconButR(block, MENU, 0, icon, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+				but= uiDefIconButR_prop(block, MENU, 0, icon, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			else if(icon)
-				but= uiDefIconTextButR(block, MENU, 0, icon, NULL, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+				but= uiDefIconTextButR_prop(block, MENU, 0, icon, NULL, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			else
-				but= uiDefButR(block, MENU, 0, NULL, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+				but= uiDefButR_prop(block, MENU, 0, NULL, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			break;
 		case PROP_STRING:
 			if(icon && name && name[0] == '\0')
-				but= uiDefIconButR(block, TEX, 0, icon, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+				but= uiDefIconButR_prop(block, TEX, 0, icon, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			else if(icon)
-				but= uiDefIconTextButR(block, TEX, 0, icon, name, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+				but= uiDefIconTextButR_prop(block, TEX, 0, icon, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			else
-				but= uiDefButR(block, TEX, 0, name, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+				but= uiDefButR_prop(block, TEX, 0, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			break;
 		case PROP_POINTER: {
 			PointerRNA pptr;
@@ -114,7 +111,7 @@ uiBut *uiDefAutoButR(uiBlock *block, PointerRNA *ptr, PropertyRNA *prop, int ind
 			if(icon == ICON_DOT)
 				icon= 0;
 
-			but= uiDefIconTextButR(block, IDPOIN, 0, icon, name, x1, y1, x2, y2, ptr, propname, index, 0, 0, -1, -1, NULL);
+			but= uiDefIconTextButR_prop(block, IDPOIN, 0, icon, name, x1, y1, x2, y2, ptr, prop, index, 0, 0, -1, -1, NULL);
 			break;
 		}
 		case PROP_COLLECTION: {
diff --git a/source/blender/editors/interface/interface_widgets.c b/source/blender/editors/interface/interface_widgets.c
index 25a64994f5c..d235fd0c16a 100644
--- a/source/blender/editors/interface/interface_widgets.c
+++ b/source/blender/editors/interface/interface_widgets.c
@@ -771,7 +771,6 @@ static void widget_draw_preview(BIFIconID icon, float UNUSED(alpha), rcti *rect)
 
 
 /* icons have been standardized... and this call draws in untransformed coordinates */
-#define ICON_HEIGHT		UI_DPI_FAC*16.0f
 
 static void widget_draw_icon(uiBut *but, BIFIconID icon, float alpha, rcti *rect)
 {
@@ -791,15 +790,15 @@ static void widget_draw_icon(uiBut *but, BIFIconID icon, float alpha, rcti *rect
 	if(aspect != but->aspect) {
 		/* prevent scaling up icon in pupmenu */
 		if (aspect < 1.0f) {			
-			height= ICON_HEIGHT;
+			height= UI_DPI_ICON_SIZE;
 			aspect = 1.0f;
 			
 		}
 		else 
-			height= ICON_HEIGHT/aspect;
+			height= UI_DPI_ICON_SIZE/aspect;
 	}
 	else
-		height= ICON_HEIGHT;
+		height= UI_DPI_ICON_SIZE;
 	
 	/* calculate blend color */
 	if ELEM4(but->type, TOG, ROW, TOGN, LISTROW) {
@@ -866,7 +865,7 @@ static void ui_text_leftclip(uiFontStyle *fstyle, uiBut *but, rcti *rect)
 	int border= (but->flag & UI_BUT_ALIGN_RIGHT)? 8: 10;
 	int okwidth= rect->xmax-rect->xmin - border;
 	
-	if (but->flag & UI_HAS_ICON) okwidth -= 16;
+	if (but->flag & UI_HAS_ICON) okwidth -= UI_DPI_ICON_SIZE;
 	
 	/* need to set this first */
 	uiStyleFontSet(fstyle);
@@ -1149,7 +1148,7 @@ static void widget_draw_text_icon(uiFontStyle *fstyle, uiWidgetColors *wcol, uiB
 		if (but->flag & UI_HAS_ICON) {
 			widget_draw_icon(but, but->icon+but->iconadd, 1.0f, rect);
 			
-			rect->xmin += UI_icon_get_width(but->icon+but->iconadd);
+			rect->xmin += (int)((float)UI_icon_get_width(but->icon+but->iconadd) * UI_DPI_ICON_FAC);
 			
 			if(but->editstr || (but->flag & UI_TEXT_LEFT)) 
 				rect->xmin += 5;
@@ -3133,7 +3132,7 @@ void ui_draw_menu_item(uiFontStyle *fstyle, rcti *rect, const char *name, int ic
 	
 	/* text location offset */
 	rect->xmin+=5;
-	if(iconid) rect->xmin+= ICON_HEIGHT;
+	if(iconid) rect->xmin+= UI_DPI_ICON_SIZE;
 
 	/* cut string in 2 parts? */
 	cpoin= strchr(name, '|');
@@ -3158,7 +3157,7 @@ void ui_draw_menu_item(uiFontStyle *fstyle, rcti *rect, const char *name, int ic
 
 	if(iconid) {
 		int xs= rect->xmin+4;
-		int ys= 1 + (rect->ymin+rect->ymax- ICON_HEIGHT)/2;
+		int ys= 1 + (rect->ymin+rect->ymax- UI_DPI_ICON_SIZE)/2;
 		glEnable(GL_BLEND);
 		UI_icon_draw_aspect(xs, ys, iconid, 1.2f, 0.5f); /* XXX scale weak get from fstyle? */
 		glDisable(GL_BLEND);
diff --git a/source/blender/editors/interface/resources.c b/source/blender/editors/interface/resources.c
index 56ef5e9e8cc..e71f709f89b 100644
--- a/source/blender/editors/interface/resources.c
+++ b/source/blender/editors/interface/resources.c
@@ -1,6 +1,3 @@
-/** \file blender/editors/interface/resources.c
- *  \ingroup edinterface
- */
 /*
  * $Id$
  *
@@ -33,6 +30,10 @@
  * ***** END GPL/BL DUAL LICENSE BLOCK *****
  */
 
+/** \file blender/editors/interface/resources.c
+ *  \ingroup edinterface
+ */
+
 #include <math.h>
 #include <stdlib.h>
 #include <string.h>
@@ -359,7 +360,9 @@ const unsigned char *UI_ThemeGetColorPtr(bTheme *btheme, int spacetype, int colo
 				cp= ts->syntaxv; break;
 			case TH_NODE_GROUP:
 				cp= ts->syntaxc; break;
-				
+			case TH_NODE_CURVING:
+				cp= &ts->noodle_curving; break;
+
 			case TH_SEQ_MOVIE:
 				cp= ts->movie; break;
 			case TH_SEQ_IMAGE:
@@ -786,6 +789,7 @@ void ui_theme_init_default(void)
 	SETCOL(btheme->tnode.syntaxb, 108, 105, 111, 255);	/* operator */
 	SETCOL(btheme->tnode.syntaxv, 104, 106, 117, 255);	/* generator */
 	SETCOL(btheme->tnode.syntaxc, 105, 117, 110, 255);	/* group */
+	btheme->tnode.noodle_curving = 5;
 
 	/* space logic */
 	btheme->tlogic= btheme->tv3d;
@@ -1421,7 +1425,7 @@ void init_userdef_do_versions(void)
 	if (bmain->versionfile < 250 || (bmain->versionfile == 250 && bmain->subversionfile < 8)) {
 		wmKeyMap *km;
 		
-		for(km=U.keymaps.first; km; km=km->next) {
+		for(km=U.user_keymaps.first; km; km=km->next) {
 			if (strcmp(km->idname, "Armature_Sketch")==0)
 				strcpy(km->idname, "Armature Sketch");
 			else if (strcmp(km->idname, "View3D")==0)
@@ -1552,7 +1556,14 @@ void init_userdef_do_versions(void)
 		/* clear "AUTOKEY_FLAG_ONLYKEYINGSET" flag from userprefs, so that it doesn't linger around from old configs like a ghost */
 		U.autokey_flag &= ~AUTOKEY_FLAG_ONLYKEYINGSET;
 	}
-	
+
+	if (bmain->versionfile < 258 || (bmain->versionfile == 258 && bmain->subversionfile < 2)) {
+		bTheme *btheme;
+		for(btheme= U.themes.first; btheme; btheme= btheme->next) {
+			btheme->tnode.noodle_curving = 5;
+		}
+	}
+
 	/* GL Texture Garbage Collection (variable abused above!) */
 	if (U.textimeout == 0) {
 		U.texcollectrate = 60;
@@ -1584,6 +1595,12 @@ void init_userdef_do_versions(void)
 	if (U.anisotropic_filter <= 0)
 		U.anisotropic_filter = 1;
 
+	if (U.ndof_sensitivity == 0.0f) {
+		U.ndof_sensitivity = 1.0f;
+		U.ndof_flag = NDOF_LOCK_HORIZON |
+			NDOF_SHOULD_PAN | NDOF_SHOULD_ZOOM | NDOF_SHOULD_ROTATE;
+	}
+
 	/* funny name, but it is GE stuff, moves userdef stuff to engine */
 // XXX	space_set_commmandline_options();
 	/* this timer uses U */
diff --git a/source/blender/editors/object/object_edit.c b/source/blender/editors/object/object_edit.c
index 9a649477191..7e27fe579f3 100644
--- a/source/blender/editors/object/object_edit.c
+++ b/source/blender/editors/object/object_edit.c
@@ -1051,109 +1051,6 @@ static void copymenu_logicbricks(Scene *scene, View3D *v3d, Object *ob)
 	}
 }
 
-static void copymenu_modifiers(Main *bmain, Scene *scene, View3D *v3d, Object *ob)
-{
-	Base *base;
-	int i, event;
-	char str[512];
-	const char *errorstr= NULL;
-
-	strcpy(str, "Copy Modifiers %t");
-
-	sprintf(str+strlen(str), "|All%%x%d|%%l", NUM_MODIFIER_TYPES);
-
-	for (i=eModifierType_None+1; i<NUM_MODIFIER_TYPES; i++) {
-		ModifierTypeInfo *mti = modifierType_getInfo(i);
-
-		if(ELEM3(i, eModifierType_Hook, eModifierType_Softbody, eModifierType_ParticleInstance)) continue;
-		
-		if(i == eModifierType_Collision)
-			continue;
-
-		if (	(mti->flags&eModifierTypeFlag_AcceptsCVs) || 
-				(ob->type==OB_MESH && (mti->flags&eModifierTypeFlag_AcceptsMesh))) {
-			sprintf(str+strlen(str), "|%s%%x%d", mti->name, i);
-		}
-	}
-
-	event = pupmenu(str);
-	if(event<=0) return;
-
-	for (base= FIRSTBASE; base; base= base->next) {
-		if(base->object != ob) {
-			if(TESTBASELIB(v3d, base)) {
-
-				base->object->recalc |= OB_RECALC_OB|OB_RECALC_DATA;
-
-				if (base->object->type==ob->type) {
-					/* copy all */
-					if (event==NUM_MODIFIER_TYPES) {
-						ModifierData *md;
-						object_free_modifiers(base->object);
-
-						for (md=ob->modifiers.first; md; md=md->next) {
-							ModifierData *nmd = NULL;
-							
-							if(ELEM3(md->type, eModifierType_Hook, eModifierType_Softbody, eModifierType_ParticleInstance)) continue;
-		
-							if(md->type == eModifierType_Collision)
-								continue;
-							
-							nmd = modifier_new(md->type);
-							modifier_copyData(md, nmd);
-							BLI_addtail(&base->object->modifiers, nmd);
-							modifier_unique_name(&base->object->modifiers, nmd);
-						}
-
-						copy_object_particlesystems(base->object, ob);
-						copy_object_softbody(base->object, ob);
-					} else {
-						/* copy specific types */
-						ModifierData *md, *mdn;
-						
-						/* remove all with type 'event' */
-						for (md=base->object->modifiers.first; md; md=mdn) {
-							mdn= md->next;
-							if(md->type==event) {
-								BLI_remlink(&base->object->modifiers, md);
-								modifier_free(md);
-							}
-						}
-						
-						/* copy all with type 'event' */
-						for (md=ob->modifiers.first; md; md=md->next) {
-							if (md->type==event) {
-								
-								mdn = modifier_new(event);
-								BLI_addtail(&base->object->modifiers, mdn);
-								modifier_unique_name(&base->object->modifiers, mdn);
-
-								modifier_copyData(md, mdn);
-							}
-						}
-
-						if(event == eModifierType_ParticleSystem) {
-							object_free_particlesystems(base->object);
-							copy_object_particlesystems(base->object, ob);
-						}
-						else if(event == eModifierType_Softbody) {
-							object_free_softbody(base->object);
-							copy_object_softbody(base->object, ob);
-						}
-					}
-				}
-				else
-					errorstr= "Did not copy modifiers to other Object types";
-			}
-		}
-	}
-	
-//	if(errorstr) notice(errorstr);
-	
-	DAG_scene_sort(bmain, scene);
-	
-}
-
 /* both pointers should exist */
 static void copy_texture_space(Object *to, Object *ob)
 {
@@ -1198,6 +1095,7 @@ static void copy_texture_space(Object *to, Object *ob)
 	
 }
 
+/* UNUSED, keep incase we want to copy functionality for use elsewhere */
 static void copy_attr(Main *bmain, Scene *scene, View3D *v3d, short event)
 {
 	Object *ob;
@@ -1223,7 +1121,8 @@ static void copy_attr(Main *bmain, Scene *scene, View3D *v3d, short event)
 		return;
 	}
 	else if(event==24) {
-		copymenu_modifiers(bmain, scene, v3d, ob);
+		/* moved to object_link_modifiers */
+		/* copymenu_modifiers(bmain, scene, v3d, ob); */
 		return;
 	}
 
diff --git a/source/blender/editors/object/object_relations.c b/source/blender/editors/object/object_relations.c
index aaff55be8cf..c36fa7d512f 100644
--- a/source/blender/editors/object/object_relations.c
+++ b/source/blender/editors/object/object_relations.c
@@ -1098,7 +1098,7 @@ static int move_to_layer_exec(bContext *C, wmOperator *op)
 	Scene *scene= CTX_data_scene(C);
 	View3D *v3d= CTX_wm_view3d(C);
 	unsigned int lay, local;
-	int islamp= 0;
+	/* int islamp= 0; */ /* UNUSED */
 	
 	lay= move_to_layer_init(C, op);
 	lay &= 0xFFFFFF;
@@ -1114,7 +1114,7 @@ static int move_to_layer_exec(bContext *C, wmOperator *op)
 			base->object->lay= lay;
 			base->object->flag &= ~SELECT;
 			base->flag &= ~SELECT;
-			if(base->object->type==OB_LAMP) islamp= 1;
+			/* if(base->object->type==OB_LAMP) islamp= 1; */
 		}
 		CTX_DATA_END;
 	}
@@ -1126,7 +1126,7 @@ static int move_to_layer_exec(bContext *C, wmOperator *op)
 			local= base->lay & 0xFF000000;  
 			base->lay= lay + local;
 			base->object->lay= lay;
-			if(base->object->type==OB_LAMP) islamp= 1;
+			/* if(base->object->type==OB_LAMP) islamp= 1; */
 		}
 		CTX_DATA_END;
 	}
@@ -1404,6 +1404,20 @@ static void single_object_users(Scene *scene, View3D *v3d, int flag)
 	set_sca_new_poins();
 }
 
+/* not an especially efficient function, only added so the single user
+ * button can be functional.*/
+void ED_object_single_user(Scene *scene, Object *ob)
+{
+	Base *base;
+
+	for(base= FIRSTBASE; base; base= base->next) {
+		if(base->object == ob)  base->flag |=  OB_DONE;
+		else					base->flag &= ~OB_DONE;
+	}
+
+	single_object_users(scene, NULL, OB_DONE);
+}
+
 static void new_id_matar(Material **matar, int totcol)
 {
 	ID *id;
diff --git a/source/blender/editors/screen/glutil.c b/source/blender/editors/screen/glutil.c
index 2918c98c84a..f56ae17d366 100644
--- a/source/blender/editors/screen/glutil.c
+++ b/source/blender/editors/screen/glutil.c
@@ -92,6 +92,44 @@ GLubyte stipple_quarttone[128] = {
 	136,136,136,136,0,0,0,0,34,34,34,34,0,0,0,0};
 
 
+GLubyte stipple_diag_stripes_pos[128] = {
+    0x00, 0xff, 0x00, 0xff, 0x01, 0xfe, 0x01, 0xfe,
+	0x03, 0xfc, 0x03, 0xfc, 0x07, 0xf8, 0x07, 0xf8,
+	0x0f, 0xf0, 0x0f, 0xf0, 0x1f, 0xe0, 0x1f, 0xe0,
+	0x3f, 0xc0, 0x3f, 0xc0, 0x7f, 0x80, 0x7f, 0x80,
+	0xff, 0x00, 0xff, 0x00, 0xfe, 0x01, 0xfe, 0x01,
+	0xfc, 0x03, 0xfc, 0x03, 0xf8, 0x07, 0xf8, 0x07,
+	0xf0, 0x0f, 0xf0, 0x0f, 0xe0, 0x1f, 0xe0, 0x1f,
+	0xc0, 0x3f, 0xc0, 0x3f, 0x80, 0x7f, 0x80, 0x7f,
+	0x00, 0xff, 0x00, 0xff, 0x01, 0xfe, 0x01, 0xfe,
+	0x03, 0xfc, 0x03, 0xfc, 0x07, 0xf8, 0x07, 0xf8,
+	0x0f, 0xf0, 0x0f, 0xf0, 0x1f, 0xe0, 0x1f, 0xe0,
+	0x3f, 0xc0, 0x3f, 0xc0, 0x7f, 0x80, 0x7f, 0x80,
+	0xff, 0x00, 0xff, 0x00, 0xfe, 0x01, 0xfe, 0x01,
+	0xfc, 0x03, 0xfc, 0x03, 0xf8, 0x07, 0xf8, 0x07,
+	0xf0, 0x0f, 0xf0, 0x0f, 0xe0, 0x1f, 0xe0, 0x1f,
+	0xc0, 0x3f, 0xc0, 0x3f, 0x80, 0x7f, 0x80, 0x7f};
+
+
+GLubyte stipple_diag_stripes_neg[128] = {
+    0xff, 0x00, 0xff, 0x00, 0xfe, 0x01, 0xfe, 0x01,
+	0xfc, 0x03, 0xfc, 0x03, 0xf8, 0x07, 0xf8, 0x07,
+	0xf0, 0x0f, 0xf0, 0x0f, 0xe0, 0x1f, 0xe0, 0x1f,
+	0xc0, 0x3f, 0xc0, 0x3f, 0x80, 0x7f, 0x80, 0x7f,
+	0x00, 0xff, 0x00, 0xff, 0x01, 0xfe, 0x01, 0xfe,
+	0x03, 0xfc, 0x03, 0xfc, 0x07, 0xf8, 0x07, 0xf8,
+	0x0f, 0xf0, 0x0f, 0xf0, 0x1f, 0xe0, 0x1f, 0xe0,
+	0x3f, 0xc0, 0x3f, 0xc0, 0x7f, 0x80, 0x7f, 0x80,
+	0xff, 0x00, 0xff, 0x00, 0xfe, 0x01, 0xfe, 0x01,
+	0xfc, 0x03, 0xfc, 0x03, 0xf8, 0x07, 0xf8, 0x07,
+	0xf0, 0x0f, 0xf0, 0x0f, 0xe0, 0x1f, 0xe0, 0x1f,
+	0xc0, 0x3f, 0xc0, 0x3f, 0x80, 0x7f, 0x80, 0x7f,
+	0x00, 0xff, 0x00, 0xff, 0x01, 0xfe, 0x01, 0xfe,
+	0x03, 0xfc, 0x03, 0xfc, 0x07, 0xf8, 0x07, 0xf8,
+	0x0f, 0xf0, 0x0f, 0xf0, 0x1f, 0xe0, 0x1f, 0xe0,
+	0x3f, 0xc0, 0x3f, 0xc0, 0x7f, 0x80, 0x7f, 0x80};
+
+
 void fdrawbezier(float vec[4][3])
 {
 	float dist;
diff --git a/source/blender/editors/screen/screen_ops.c b/source/blender/editors/screen/screen_ops.c
index e81b032fdf3..6bdc55e0e53 100644
--- a/source/blender/editors/screen/screen_ops.c
+++ b/source/blender/editors/screen/screen_ops.c
@@ -303,7 +303,7 @@ int ED_operator_object_active_editable(bContext *C)
 int ED_operator_object_active_editable_mesh(bContext *C)
 {
 	Object *ob = ED_object_active_context(C);
-	return ((ob != NULL) && !(ob->id.lib) && !(ob->restrictflag & OB_RESTRICT_VIEW) && ob->type == OB_MESH);
+	return ((ob != NULL) && !(ob->id.lib) && !(ob->restrictflag & OB_RESTRICT_VIEW) && ob->type == OB_MESH && !(((ID *)ob->data)->lib));
 }
 
 int ED_operator_object_active_editable_font(bContext *C)
diff --git a/source/blender/editors/sculpt_paint/paint_image.c b/source/blender/editors/sculpt_paint/paint_image.c
index d0fae1ac012..200fc08d408 100644
--- a/source/blender/editors/sculpt_paint/paint_image.c
+++ b/source/blender/editors/sculpt_paint/paint_image.c
@@ -2189,7 +2189,7 @@ static int IsectPoly2Df_twoside(const float pt[2], float uv[][2], const int tot)
 
 /* One of the most important function for projectiopn painting, since it selects the pixels to be added into each bucket.
  * initialize pixels from this face where it intersects with the bucket_index, optionally initialize pixels for removing seams */
-static void project_paint_face_init(const ProjPaintState *ps, const int thread_index, const int bucket_index, const int face_index, const int image_index, rctf *bucket_bounds, const ImBuf *ibuf)
+static void project_paint_face_init(const ProjPaintState *ps, const int thread_index, const int bucket_index, const int face_index, const int image_index, rctf *bucket_bounds, const ImBuf *ibuf, const short clamp_u, const short clamp_v)
 {
 	/* Projection vars, to get the 3D locations into screen space  */
 	MemArena *arena = ps->arena_mt[thread_index];
@@ -2306,14 +2306,24 @@ static void project_paint_face_init(const ProjPaintState *ps, const int thread_i
 		
 
 		if (pixel_bounds_array(uv_clip, &bounds_px, ibuf->x, ibuf->y, uv_clip_tot)) {
-			
+
+			if(clamp_u) {
+				CLAMP(bounds_px.xmin, 0, ibuf->x);
+				CLAMP(bounds_px.xmax, 0, ibuf->x);
+			}
+
+			if(clamp_v) {
+				CLAMP(bounds_px.ymin, 0, ibuf->y);
+				CLAMP(bounds_px.ymax, 0, ibuf->y);
+			}
+
 			/* clip face and */
 			
 			has_isect = 0;
 			for (y = bounds_px.ymin; y < bounds_px.ymax; y++) {
 				//uv[1] = (((float)y) + 0.5f) / (float)ibuf->y;
 				uv[1] = (float)y / ibuf_yf; /* use pixel offset UV coords instead */
-				
+
 				has_x_isect = 0;
 				for (x = bounds_px.xmin; x < bounds_px.xmax; x++) {
 					//uv[0] = (((float)x) + 0.5f) / ibuf->x;
@@ -2632,6 +2642,7 @@ static void project_bucket_init(const ProjPaintState *ps, const int thread_index
 	LinkNode *node;
 	int face_index, image_index=0;
 	ImBuf *ibuf = NULL;
+	Image *ima = NULL;
 	MTFace *tf;
 	
 	Image *tpage_last = NULL;
@@ -2640,9 +2651,10 @@ static void project_bucket_init(const ProjPaintState *ps, const int thread_index
 	if (ps->image_tot==1) {
 		/* Simple loop, no context switching */
 		ibuf = ps->projImages[0].ibuf;
-		
+		ima = ps->projImages[0].ima;
+
 		for (node = ps->bucketFaces[bucket_index]; node; node= node->next) { 
-			project_paint_face_init(ps, thread_index, bucket_index, GET_INT_FROM_POINTER(node->link), 0, bucket_bounds, ibuf);
+			project_paint_face_init(ps, thread_index, bucket_index, GET_INT_FROM_POINTER(node->link), 0, bucket_bounds, ibuf, ima->tpageflag & IMA_CLAMP_U, ima->tpageflag & IMA_CLAMP_V);
 		}
 	}
 	else {
@@ -2661,14 +2673,14 @@ static void project_bucket_init(const ProjPaintState *ps, const int thread_index
 				for (image_index=0; image_index < ps->image_tot; image_index++) {
 					if (ps->projImages[image_index].ima == tpage_last) {
 						ibuf = ps->projImages[image_index].ibuf;
+						ima = ps->projImages[image_index].ima;
 						break;
 					}
 				}
 			}
 			/* context switching done */
 			
-			project_paint_face_init(ps, thread_index, bucket_index, face_index, image_index, bucket_bounds, ibuf);
-			
+			project_paint_face_init(ps, thread_index, bucket_index, face_index, image_index, bucket_bounds, ibuf, ima->tpageflag & IMA_CLAMP_U, ima->tpageflag & IMA_CLAMP_V);
 		}
 	}
 	
diff --git a/source/blender/editors/sculpt_paint/paint_stroke.c b/source/blender/editors/sculpt_paint/paint_stroke.c
index 7ddf5dff000..09873566d4a 100644
--- a/source/blender/editors/sculpt_paint/paint_stroke.c
+++ b/source/blender/editors/sculpt_paint/paint_stroke.c
@@ -832,6 +832,13 @@ int paint_stroke_modal(bContext *C, wmOperator *op, wmEvent *event)
 	float mouse[2];
 	int first= 0;
 
+	// let NDOF motion pass through to the 3D view so we can paint and rotate simultaneously!
+	// this isn't perfect... even when an extra MOUSEMOVE is spoofed, the stroke discards it
+	// since the 2D deltas are zero -- code in this file needs to be updated to use the
+	// post-NDOF_MOTION MOUSEMOVE
+	if (event->type == NDOF_MOTION)
+		return OPERATOR_PASS_THROUGH;
+
 	if(!stroke->stroke_started) {
 		stroke->last_mouse_position[0] = event->x;
 		stroke->last_mouse_position[1] = event->y;
diff --git a/source/blender/editors/space_file/file_ops.c b/source/blender/editors/space_file/file_ops.c
index 132be9dfbc5..ff63dde7673 100644
--- a/source/blender/editors/space_file/file_ops.c
+++ b/source/blender/editors/space_file/file_ops.c
@@ -66,6 +66,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
+#include <ctype.h>
 
 /* for events */
 #define NOTACTIVEFILE			0
@@ -1081,8 +1082,18 @@ static void file_expand_directory(bContext *C)
 		}
 
 #ifdef WIN32
-		if (sfile->params->dir[0] == '\0')
+		if (sfile->params->dir[0] == '\0') {
 			get_default_root(sfile->params->dir);
+		}
+		/* change "C:" --> "C:\", [#28102] */
+		else if (   (isalpha(sfile->params->dir[0]) &&
+		            (sfile->params->dir[1] == ':')) &&
+		            (sfile->params->dir[2] == '\0')
+
+		) {
+			sfile->params->dir[2]= '\\';
+			sfile->params->dir[3]= '\0';
+		}
 #endif
 	}
 }
diff --git a/source/blender/editors/space_image/image_intern.h b/source/blender/editors/space_image/image_intern.h
index e9e77ddf430..399157da85c 100644
--- a/source/blender/editors/space_image/image_intern.h
+++ b/source/blender/editors/space_image/image_intern.h
@@ -73,6 +73,7 @@ void IMAGE_OT_view_zoom(struct wmOperatorType *ot);
 void IMAGE_OT_view_zoom_in(struct wmOperatorType *ot);
 void IMAGE_OT_view_zoom_out(struct wmOperatorType *ot);
 void IMAGE_OT_view_zoom_ratio(struct wmOperatorType *ot);
+void IMAGE_OT_view_ndof(struct wmOperatorType *ot);
 
 void IMAGE_OT_new(struct wmOperatorType *ot);
 void IMAGE_OT_open(struct wmOperatorType *ot);
diff --git a/source/blender/editors/space_image/image_ops.c b/source/blender/editors/space_image/image_ops.c
index 34d62f35aa5..7b8d61d9199 100644
--- a/source/blender/editors/space_image/image_ops.c
+++ b/source/blender/editors/space_image/image_ops.c
@@ -439,6 +439,63 @@ void IMAGE_OT_view_zoom(wmOperatorType *ot)
 		_("Factor"), _("Zoom factor, values higher than 1.0 zoom in, lower values zoom out."), -FLT_MAX, FLT_MAX);
 }
 
+/********************** NDOF operator *********************/
+
+/* Combined pan/zoom from a 3D mouse device.
+ * Z zooms, XY pans
+ * "view" (not "paper") control -- user moves the viewpoint, not the image being viewed
+ * that explains the negative signs in the code below
+ */
+
+static int view_ndof_invoke(bContext *C, wmOperator *UNUSED(op), wmEvent *event)
+{
+	if (event->type != NDOF_MOTION)
+		return OPERATOR_CANCELLED;
+	else {
+		SpaceImage *sima= CTX_wm_space_image(C);
+		ARegion *ar= CTX_wm_region(C);
+
+		wmNDOFMotionData* ndof = (wmNDOFMotionData*) event->customdata;
+
+		float dt = ndof->dt;
+		/* tune these until it feels right */
+		const float zoom_sensitivity = 0.5f; // 50% per second (I think)
+		const float pan_sensitivity = 300.f; // screen pixels per second
+
+		float pan_x = pan_sensitivity * dt * ndof->tvec[0] / sima->zoom;
+		float pan_y = pan_sensitivity * dt * ndof->tvec[1] / sima->zoom;
+
+		/* "mouse zoom" factor = 1 + (dx + dy) / 300
+		 * what about "ndof zoom" factor? should behave like this:
+		 * at rest -> factor = 1
+		 * move forward -> factor > 1
+		 * move backward -> factor < 1
+		 */
+		float zoom_factor = 1.f + zoom_sensitivity * dt * -ndof->tvec[2];
+
+		if (U.ndof_flag & NDOF_ZOOM_INVERT)
+			zoom_factor = -zoom_factor;
+
+		sima_zoom_set_factor(sima, ar, zoom_factor);
+		sima->xof += pan_x;
+		sima->yof += pan_y;
+
+		ED_region_tag_redraw(ar);	
+
+		return OPERATOR_FINISHED;
+	}
+}
+
+void IMAGE_OT_view_ndof(wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name= "NDOF Pan/Zoom";
+	ot->idname= "IMAGE_OT_view_ndof";
+	
+	/* api callbacks */
+	ot->invoke= view_ndof_invoke;
+}
+
 /********************** view all operator *********************/
 
 /* Updates the fields of the View2D member of the SpaceImage struct.
diff --git a/source/blender/editors/space_image/space_image.c b/source/blender/editors/space_image/space_image.c
index 2e9544f5d20..afab4ede229 100644
--- a/source/blender/editors/space_image/space_image.c
+++ b/source/blender/editors/space_image/space_image.c
@@ -469,6 +469,7 @@ static void image_operatortypes(void)
 	WM_operatortype_append(IMAGE_OT_view_zoom_in);
 	WM_operatortype_append(IMAGE_OT_view_zoom_out);
 	WM_operatortype_append(IMAGE_OT_view_zoom_ratio);
+	WM_operatortype_append(IMAGE_OT_view_ndof);
 
 	WM_operatortype_append(IMAGE_OT_new);
 	WM_operatortype_append(IMAGE_OT_open);
@@ -518,6 +519,9 @@ static void image_keymap(struct wmKeyConfig *keyconf)
 	WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MIDDLEMOUSE, KM_PRESS, KM_SHIFT, 0);
 	WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MOUSEPAN, 0, 0, 0);
 
+	WM_keymap_add_item(keymap, "IMAGE_OT_view_all", NDOF_BUTTON_FIT, KM_PRESS, 0, 0); // or view selected?
+	WM_keymap_add_item(keymap, "IMAGE_OT_view_ndof", NDOF_MOTION, 0, 0, 0);
+
 	WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_in", WHEELINMOUSE, KM_PRESS, 0, 0);
 	WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_out", WHEELOUTMOUSE, KM_PRESS, 0, 0);
 	WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_in", PADPLUSKEY, KM_PRESS, 0, 0);
diff --git a/source/blender/editors/space_node/drawnode.c b/source/blender/editors/space_node/drawnode.c
index 50e657bbb61..c32d05e9c30 100644
--- a/source/blender/editors/space_node/drawnode.c
+++ b/source/blender/editors/space_node/drawnode.c
@@ -1768,8 +1768,8 @@ int node_link_bezier_points(View2D *v2d, SpaceNode *snode, bNodeLink *link, floa
 		vec[3][0]= snode->mx;
 		vec[3][1]= snode->my;
 	}
-	
-	dist= 0.5f*ABS(vec[0][0] - vec[3][0]);
+
+	dist= UI_GetThemeValue(TH_NODE_CURVING)*0.10f*ABS(vec[0][0] - vec[3][0]);
 	
 	/* check direction later, for top sockets */
 	vec[1][0]= vec[0][0]+dist;
diff --git a/source/blender/editors/space_node/node_edit.c b/source/blender/editors/space_node/node_edit.c
index 3100dc7da26..66ee8d72d99 100644
--- a/source/blender/editors/space_node/node_edit.c
+++ b/source/blender/editors/space_node/node_edit.c
@@ -2218,6 +2218,12 @@ static int node_link_modal(bContext *C, wmOperator *op, wmEvent *event)
 				/* we might need to remove a link */
 				if(in_out==SOCK_OUT)
 					node_remove_extra_links(snode, link->tosock, link);
+				
+				/* when linking to group outputs, update the socket type */
+				/* XXX this should all be part of a generic update system */
+				if (!link->tonode) {
+					link->tosock->type = link->fromsock->type;
+				}
 			}
 			else if (outside_group_rect(snode) && (link->tonode || link->fromnode)) {
 				/* automatically add new group socket */
diff --git a/source/blender/editors/space_sequencer/sequencer_draw.c b/source/blender/editors/space_sequencer/sequencer_draw.c
index 594d2942e8f..98687bb90e0 100644
--- a/source/blender/editors/space_sequencer/sequencer_draw.c
+++ b/source/blender/editors/space_sequencer/sequencer_draw.c
@@ -639,6 +639,25 @@ static void draw_seq_strip(Scene *scene, ARegion *ar, Sequence *seq, int outline
 	/* draw sound wave */
 	if(seq->type == SEQ_SOUND) drawseqwave(scene, seq, x1, y1, x2, y2, (ar->v2d.cur.xmax - ar->v2d.cur.xmin)/ar->winx);
 
+	/* draw lock */
+	if(seq->flag & SEQ_LOCK) {
+		glEnable(GL_POLYGON_STIPPLE);
+		glEnable(GL_BLEND);
+
+		/* light stripes */
+		glColor4ub(255, 255, 255, 32);
+		glPolygonStipple(stipple_diag_stripes_pos);
+		glRectf(x1, y1, x2, y2);
+
+		/* dark stripes */
+		glColor4ub(0, 0, 0, 32);
+		glPolygonStipple(stipple_diag_stripes_neg);
+		glRectf(x1, y1, x2, y2);
+
+		glDisable(GL_POLYGON_STIPPLE);
+		glDisable(GL_BLEND);
+	}
+
 	get_seq_color3ubv(scene, seq, col);
 	if (G.moving && (seq->flag & SELECT)) {
 		if(seq->flag & SEQ_OVERLAP) {
diff --git a/source/blender/editors/space_sequencer/sequencer_edit.c b/source/blender/editors/space_sequencer/sequencer_edit.c
index 6069caa1168..230cc01f732 100644
--- a/source/blender/editors/space_sequencer/sequencer_edit.c
+++ b/source/blender/editors/space_sequencer/sequencer_edit.c
@@ -1787,7 +1787,7 @@ static int sequencer_separate_images_exec(bContext *C, wmOperator *op)
 				se = give_stripelem(seq, cfra);
 
 				seq_new= seq_dupli_recursive(scene, scene, seq, SEQ_DUPE_UNIQUE_NAME);
-				BLI_addtail(&ed->seqbase, seq_new);
+				BLI_addtail(ed->seqbasep, seq_new);
 
 				seq_new->start= start_ofs;
 				seq_new->type= SEQ_IMAGE;
@@ -1841,7 +1841,6 @@ void SEQUENCER_OT_images_separate(wmOperatorType *ot)
 	ot->description=_("On image sequences strips, it return a strip for each image");
 	
 	/* api callbacks */
-	ot->invoke= WM_operator_props_popup;
 	ot->exec= sequencer_separate_images_exec;
 	ot->poll= sequencer_edit_poll;
 	
diff --git a/source/blender/editors/space_view3d/view3d_draw.c b/source/blender/editors/space_view3d/view3d_draw.c
index d2ff6eef097..6e3f6549ba3 100644
--- a/source/blender/editors/space_view3d/view3d_draw.c
+++ b/source/blender/editors/space_view3d/view3d_draw.c
@@ -675,6 +675,104 @@ static void draw_view_axis(RegionView3D *rv3d)
 	glDisable(GL_BLEND);
 }
 
+/* draw center and axis of rotation for ongoing 3D mouse navigation */
+static void draw_rotation_guide(RegionView3D *rv3d)
+{
+	float o[3]; // center of rotation
+	float end[3]; // endpoints for drawing
+
+	float color[4] = {0.f ,0.4235f, 1.f, 1.f}; // bright blue so it matches device LEDs
+
+	negate_v3_v3(o, rv3d->ofs);
+
+	glEnable(GL_BLEND);
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+	glShadeModel(GL_SMOOTH);
+	glPointSize(5);
+	glEnable(GL_POINT_SMOOTH);
+	glDepthMask(0); // don't overwrite zbuf
+
+	if (rv3d->rot_angle != 0.f) {
+		// -- draw rotation axis --
+		float scaled_axis[3];
+		const float scale = rv3d->dist;
+		mul_v3_v3fl(scaled_axis, rv3d->rot_axis, scale);
+	
+		glBegin(GL_LINE_STRIP);
+			color[3] = 0.f; // more transparent toward the ends
+			glColor4fv(color);
+			add_v3_v3v3(end, o, scaled_axis);
+			glVertex3fv(end);
+	
+			// color[3] = 0.2f + fabsf(rv3d->rot_angle); // modulate opacity with angle
+			// ^^ neat idea, but angle is frame-rate dependent, so it's usually close to 0.2
+
+			color[3] = 0.5f; // more opaque toward the center
+			glColor4fv(color);
+			glVertex3fv(o);
+	
+			color[3] = 0.f;
+			glColor4fv(color);
+			sub_v3_v3v3(end, o, scaled_axis);
+			glVertex3fv(end);
+		glEnd();
+		
+		// -- draw ring around rotation center --
+		{
+		#define ROT_AXIS_DETAIL 13
+		const float s = 0.05f * scale;
+		const float step = 2.f * M_PI / ROT_AXIS_DETAIL;
+		float angle;
+		int i;
+
+		float q[4]; // rotate ring so it's perpendicular to axis
+		const int upright = fabsf(rv3d->rot_axis[2]) >= 0.95f;
+		if (!upright)
+			{
+			const float up[3] = {0.f, 0.f, 1.f};
+			float vis_angle, vis_axis[3];
+
+			cross_v3_v3v3(vis_axis, up, rv3d->rot_axis);
+			vis_angle = acosf(dot_v3v3(up, rv3d->rot_axis));
+			axis_angle_to_quat(q, vis_axis, vis_angle);
+			}
+
+		color[3] = 0.25f; // somewhat faint
+		glColor4fv(color);
+		glBegin(GL_LINE_LOOP);
+		for (i = 0, angle = 0.f; i < ROT_AXIS_DETAIL; ++i, angle += step)
+			{
+			float p[3] = { s * cosf(angle), s * sinf(angle), 0.f };
+
+			if (!upright)
+				mul_qt_v3(q, p);
+
+			add_v3_v3(p, o);
+			glVertex3fv(p);
+			}
+		glEnd();
+		}
+
+		color[3] = 1.f; // solid dot
+	}
+	else
+		color[3] = 0.5f; // see-through dot
+
+	// -- draw rotation center --
+	glColor4fv(color);
+	glBegin(GL_POINTS);
+		glVertex3fv(o);
+	glEnd();
+
+	// find screen coordinates for rotation center, then draw pretty icon
+	// mul_m4_v3(rv3d->persinv, rot_center);
+	// UI_icon_draw(rot_center[0], rot_center[1], ICON_NDOF_TURN);
+	// ^^ just playing around, does not work
+
+	glDisable(GL_BLEND);
+	glDisable(GL_POINT_SMOOTH);
+	glDepthMask(1);
+}
 
 static void draw_view_icon(RegionView3D *rv3d)
 {
@@ -2618,6 +2716,10 @@ void view3d_main_area_draw(const bContext *C, ARegion *ar)
 		BDR_drawSketch(C);
 	}
 
+	if ((U.ndof_flag & NDOF_SHOW_GUIDE) && (rv3d->viewlock != RV3D_LOCKED) && (rv3d->persp != RV3D_CAMOB))
+		// TODO: draw something else (but not this) during fly mode
+		draw_rotation_guide(rv3d);
+
 	ED_region_pixelspace(ar);
 	
 //	retopo_paint_view_update(v3d);
diff --git a/source/blender/editors/space_view3d/view3d_edit.c b/source/blender/editors/space_view3d/view3d_edit.c
index 3b760605444..fefa6a61f7b 100644
--- a/source/blender/editors/space_view3d/view3d_edit.c
+++ b/source/blender/editors/space_view3d/view3d_edit.c
@@ -930,6 +930,240 @@ void VIEW3D_OT_rotate(wmOperatorType *ot)
 	ot->flag= OPTYPE_BLOCKING|OPTYPE_GRAB_POINTER;
 }
 
+// NDOF utility functions
+// (should these functions live in this file?)
+float ndof_to_axis_angle(struct wmNDOFMotionData* ndof, float axis[3])
+{
+	return ndof->dt * normalize_v3_v3(axis, ndof->rvec);
+}
+
+void ndof_to_quat(struct wmNDOFMotionData* ndof, float q[4])
+{
+	float axis[3];
+	float angle;
+
+	angle= ndof_to_axis_angle(ndof, axis);
+	axis_angle_to_quat(q, axis, angle);
+}
+
+static int ndof_orbit_invoke(bContext *C, wmOperator *UNUSED(op), wmEvent *event)
+// -- "orbit" navigation (trackball/turntable)
+// -- zooming
+// -- panning in rotationally-locked views
+{
+	if (event->type != NDOF_MOTION)
+		return OPERATOR_CANCELLED;
+	else {
+		RegionView3D* rv3d = CTX_wm_region_view3d(C);
+		wmNDOFMotionData* ndof = (wmNDOFMotionData*) event->customdata;
+
+		rv3d->rot_angle = 0.f; // off by default, until changed later this function
+
+		if (ndof->progress != P_FINISHING) {
+			const float dt = ndof->dt;
+		
+			// tune these until everything feels right
+			const float rot_sensitivity = 1.f;
+			const float zoom_sensitivity = 1.f;
+			const float pan_sensitivity = 1.f;
+		
+			// rather have bool, but...
+			int has_rotation = rv3d->viewlock != RV3D_LOCKED && !is_zero_v3(ndof->rvec);
+		
+			float view_inv[4];
+			invert_qt_qt(view_inv, rv3d->viewquat);
+		
+			//#define DEBUG_NDOF_MOTION
+			#ifdef DEBUG_NDOF_MOTION
+			printf("ndof: T=(%.2f,%.2f,%.2f) R=(%.2f,%.2f,%.2f) dt=%.3f delivered to 3D view\n",
+				ndof->tx, ndof->ty, ndof->tz, ndof->rx, ndof->ry, ndof->rz, ndof->dt);
+			#endif
+		
+			if (ndof->tvec[2]) {
+				// Zoom!
+				// velocity should be proportional to the linear velocity attained by rotational motion of same strength
+				// [got that?]
+				// proportional to arclength = radius * angle
+		
+				float zoom_distance = zoom_sensitivity * rv3d->dist * dt * ndof->tvec[2];
+
+				if (U.ndof_flag & NDOF_ZOOM_INVERT)
+					zoom_distance = -zoom_distance;
+
+				rv3d->dist += zoom_distance;
+			}
+		
+			if (rv3d->viewlock == RV3D_LOCKED) {
+				/* rotation not allowed -- explore panning options instead */
+				float pan_vec[3] = {ndof->tvec[0], ndof->tvec[1], 0.0f};
+				mul_v3_fl(pan_vec, pan_sensitivity * rv3d->dist * dt);
+		
+				/* transform motion from view to world coordinates */
+				invert_qt_qt(view_inv, rv3d->viewquat);
+				mul_qt_v3(view_inv, pan_vec);
+		
+				/* move center of view opposite of hand motion (this is camera mode, not object mode) */
+				sub_v3_v3(rv3d->ofs, pan_vec);
+			}
+		
+			if (has_rotation) {
+		
+				const int invert = U.ndof_flag & NDOF_ORBIT_INVERT_AXES;
+		
+				rv3d->view = RV3D_VIEW_USER;
+		
+				if (U.flag & USER_TRACKBALL) {
+					float rot[4];
+					float axis[3];
+					float angle = rot_sensitivity * ndof_to_axis_angle(ndof, axis);
+		
+					if (invert)
+						angle = -angle;
+		
+					// transform rotation axis from view to world coordinates
+					mul_qt_v3(view_inv, axis);
+		
+					// update the onscreen doo-dad
+					rv3d->rot_angle = angle;
+					copy_v3_v3(rv3d->rot_axis, axis);
+		
+					axis_angle_to_quat(rot, axis, angle);
+
+					// apply rotation
+					mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, rot);
+				} else {
+					/* turntable view code by John Aughey, adapted for 3D mouse by [mce] */
+					float angle, rot[4];
+					float xvec[3] = {1,0,0};
+		
+					/* Determine the direction of the x vector (for rotating up and down) */
+					mul_qt_v3(view_inv, xvec);
+		
+					/* Perform the up/down rotation */
+					angle = rot_sensitivity * dt * ndof->rvec[0];
+					if (invert)
+						angle = -angle;
+					rot[0] = cos(angle);
+					mul_v3_v3fl(rot+1, xvec, sin(angle));
+					mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, rot);
+		
+					/* Perform the orbital rotation */
+					angle = rot_sensitivity * dt * ndof->rvec[1];
+					if (invert)
+						angle = -angle;
+		
+					// update the onscreen doo-dad
+					rv3d->rot_angle = angle;
+					rv3d->rot_axis[0] = 0;
+					rv3d->rot_axis[1] = 0;
+					rv3d->rot_axis[2] = 1;
+		
+					rot[0] = cos(angle);
+					rot[1] = rot[2] = 0.0;
+					rot[3] = sin(angle);
+					mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, rot);
+				}
+			}
+		}
+
+		ED_region_tag_redraw(CTX_wm_region(C));
+
+		return OPERATOR_FINISHED;
+	}
+}
+
+void VIEW3D_OT_ndof_orbit(struct wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "NDOF Orbit View";
+	ot->description = "Explore every angle of an object using the 3D mouse.";
+	ot->idname = "VIEW3D_OT_ndof_orbit";
+
+	/* api callbacks */
+	ot->invoke = ndof_orbit_invoke;
+	ot->poll = ED_operator_view3d_active;
+
+	/* flags */
+	ot->flag = 0;
+}
+
+static int ndof_pan_invoke(bContext *C, wmOperator *UNUSED(op), wmEvent *event)
+// -- "pan" navigation
+// -- zoom or dolly?
+{
+	if (event->type != NDOF_MOTION)
+		return OPERATOR_CANCELLED;
+	else {
+		RegionView3D* rv3d = CTX_wm_region_view3d(C);
+		wmNDOFMotionData* ndof = (wmNDOFMotionData*) event->customdata;
+
+
+		rv3d->rot_angle = 0.f; // we're panning here! so erase any leftover rotation from other operators
+
+		if (ndof->progress != P_FINISHING) {
+			const float dt = ndof->dt;
+			float view_inv[4];
+#if 0 // ------------------------------------------- zoom with Z
+			// tune these until everything feels right
+			const float zoom_sensitivity = 1.f;
+			const float pan_sensitivity = 1.f;
+
+			float pan_vec[3] = {
+				ndof->tx, ndof->ty, 0
+				};
+
+			// "zoom in" or "translate"? depends on zoom mode in user settings?
+			if (ndof->tz) {
+				float zoom_distance = zoom_sensitivity * rv3d->dist * dt * ndof->tz;
+				rv3d->dist += zoom_distance;
+			}
+		
+			mul_v3_fl(pan_vec, pan_sensitivity * rv3d->dist * dt);
+#else // ------------------------------------------------------- dolly with Z
+			float speed = 10.f; // blender units per second
+			// ^^ this is ok for default cube scene, but should scale with.. something
+
+			// tune these until everything feels right
+			const float forward_sensitivity = 1.f;
+			const float vertical_sensitivity = 0.4f;
+			const float lateral_sensitivity = 0.6f;
+
+			float pan_vec[3] = {lateral_sensitivity * ndof->tvec[0],
+								vertical_sensitivity * ndof->tvec[1],
+								forward_sensitivity * ndof->tvec[2]
+							   };
+
+			mul_v3_fl(pan_vec, speed * dt);
+#endif
+			/* transform motion from view to world coordinates */
+			invert_qt_qt(view_inv, rv3d->viewquat);
+			mul_qt_v3(view_inv, pan_vec);
+
+			/* move center of view opposite of hand motion (this is camera mode, not object mode) */
+			sub_v3_v3(rv3d->ofs, pan_vec);
+		}
+
+		ED_region_tag_redraw(CTX_wm_region(C));
+
+		return OPERATOR_FINISHED;
+	}
+}
+
+void VIEW3D_OT_ndof_pan(struct wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "NDOF Pan View";
+	ot->description = "Position your viewpoint with the 3D mouse.";
+	ot->idname = "VIEW3D_OT_ndof_pan";
+
+	/* api callbacks */
+	ot->invoke = ndof_pan_invoke;
+	ot->poll = ED_operator_view3d_active;
+
+	/* flags */
+	ot->flag = 0;
+}
+
 /* ************************ viewmove ******************************** */
 
 
@@ -3197,398 +3431,6 @@ int ED_view3d_autodist_depth_seg(struct ARegion *ar, const int mval_sta[2], cons
 	return (*depth==FLT_MAX) ? 0:1;
 }
 
-/* ********************* NDOF ************************ */
-/* note: this code is confusing and unclear... (ton) */
-/* **************************************************** */
-
-// ndof scaling will be moved to user setting.
-// In the mean time this is just a place holder.
-
-// Note: scaling in the plugin and ghostwinlay.c
-// should be removed. With driver default setting,
-// each axis returns approx. +-200 max deflection.
-
-// The values I selected are based on the older
-// polling i/f. With event i/f, the sensistivity
-// can be increased for improved response from
-// small deflections of the device input.
-
-
-// lukep notes : i disagree on the range.
-// the normal 3Dconnection driver give +/-400
-// on defaut range in other applications
-// and up to +/- 1000 if set to maximum
-// because i remove the scaling by delta,
-// which was a bad idea as it depend of the system
-// speed and os, i changed the scaling values, but
-// those are still not ok
-
-#if 0
-static float ndof_axis_scale[6] = {
-	+0.01,	// Tx
-	+0.01,	// Tz
-	+0.01,	// Ty
-	+0.0015,	// Rx
-	+0.0015,	// Rz
-	+0.0015	// Ry
-};
-
-static void filterNDOFvalues(float *sbval)
-{
-	int i=0;
-	float max  = 0.0;
-
-	for (i =0; i<6;i++)
-		if (fabs(sbval[i]) > max)
-			max = fabs(sbval[i]);
-	for (i =0; i<6;i++)
-		if (fabs(sbval[i]) != max )
-			sbval[i]=0.0;
-}
-
-// statics for controlling rv3d->dist corrections.
-// viewmoveNDOF zeros and adjusts rv3d->ofs.
-// viewmove restores based on dz_flag state.
-
-int dz_flag = 0;
-float m_dist;
-
-void viewmoveNDOFfly(ARegion *ar, View3D *v3d, int UNUSED(mode))
-{
-	RegionView3D *rv3d= ar->regiondata;
-	int i;
-	float phi;
-	float dval[7];
-	// static fval[6] for low pass filter; device input vector is dval[6]
-	static float fval[6];
-	float tvec[3],rvec[3];
-	float q1[4];
-	float mat[3][3];
-	float upvec[3];
-
-
-	/*----------------------------------------------------
-	 * sometimes this routine is called from headerbuttons
-	 * viewmove needs to refresh the screen
-	 */
-// XXX	areawinset(ar->win);
-
-
-	// fetch the current state of the ndof device
-// XXX	getndof(dval);
-
-	if (v3d->ndoffilter)
-		filterNDOFvalues(fval);
-
-	// Scale input values
-
-//	if(dval[6] == 0) return; // guard against divide by zero
-
-	for(i=0;i<6;i++) {
-
-		// user scaling
-		dval[i] = dval[i] * ndof_axis_scale[i];
-	}
-
-
-	// low pass filter with zero crossing reset
-
-	for(i=0;i<6;i++) {
-		if((dval[i] * fval[i]) >= 0)
-			dval[i] = (fval[i] * 15 + dval[i]) / 16;
-		else
-			fval[i] = 0;
-	}
-
-
-	// force perspective mode. This is a hack and is
-	// incomplete. It doesn't actually effect the view
-	// until the first draw and doesn't update the menu
-	// to reflect persp mode.
-
-	rv3d->persp = RV3D_PERSP;
-
-
-	// Correct the distance jump if rv3d->dist != 0
-
-	// This is due to a side effect of the original
-	// mouse view rotation code. The rotation point is
-	// set a distance in front of the viewport to
-	// make rotating with the mouse look better.
-	// The distance effect is written at a low level
-	// in the view management instead of the mouse
-	// view function. This means that all other view
-	// movement devices must subtract this from their
-	// view transformations.
-
-	if(rv3d->dist != 0.0) {
-		dz_flag = 1;
-		m_dist = rv3d->dist;
-		upvec[0] = upvec[1] = 0;
-		upvec[2] = rv3d->dist;
-		copy_m3_m4(mat, rv3d->viewinv);
-		mul_m3_v3(mat, upvec);
-		sub_v3_v3(rv3d->ofs, upvec);
-		rv3d->dist = 0.0;
-	}
-
-
-	// Apply rotation
-	// Rotations feel relatively faster than translations only in fly mode, so
-	// we have no choice but to fix that here (not in the plugins)
-	rvec[0] = -0.5 * dval[3];
-	rvec[1] = -0.5 * dval[4];
-	rvec[2] = -0.5 * dval[5];
-
-	// rotate device x and y by view z
-
-	copy_m3_m4(mat, rv3d->viewinv);
-	mat[2][2] = 0.0f;
-	mul_m3_v3(mat, rvec);
-
-	// rotate the view
-
-	phi = normalize_v3(rvec);
-	if(phi != 0) {
-		axis_angle_to_quat(q1,rvec,phi);
-		mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, q1);
-	}
-
-
-	// Apply translation
-
-	tvec[0] = dval[0];
-	tvec[1] = dval[1];
-	tvec[2] = -dval[2];
-
-	// the next three lines rotate the x and y translation coordinates
-	// by the current z axis angle
-
-	copy_m3_m4(mat, rv3d->viewinv);
-	mat[2][2] = 0.0f;
-	mul_m3_v3(mat, tvec);
-
-	// translate the view
-
-	sub_v3_v3(rv3d->ofs, tvec);
-
-
-	/*----------------------------------------------------
-	 * refresh the screen XXX
-	  */
-
-	// update render preview window
-
-// XXX	BIF_view3d_previewrender_signal(ar, PR_DBASE|PR_DISPRECT);
-}
-
-void viewmoveNDOF(Scene *scene, ARegion *ar, View3D *v3d, int UNUSED(mode))
-{
-	RegionView3D *rv3d= ar->regiondata;
-	float fval[7];
-	float dvec[3];
-	float sbadjust = 1.0f;
-	float len;
-	short use_sel = 0;
-	Object *ob = OBACT;
-	float m[3][3];
-	float m_inv[3][3];
-	float xvec[3] = {1,0,0};
-	float yvec[3] = {0,-1,0};
-	float zvec[3] = {0,0,1};
-	float phi;
-	float q1[4];
-	float obofs[3];
-	float reverse;
-	//float diff[4];
-	float d, curareaX, curareaY;
-	float mat[3][3];
-	float upvec[3];
-
-	/* Sensitivity will control how fast the view rotates.  The value was
-	 * obtained experimentally by tweaking until the author didn't get dizzy watching.
-	 * Perhaps this should be a configurable user parameter.
-	 */
-	float psens = 0.005f * (float) U.ndof_pan;   /* pan sensitivity */
-	float rsens = 0.005f * (float) U.ndof_rotate;  /* rotate sensitivity */
-	float zsens = 0.3f;   /* zoom sensitivity */
-
-	const float minZoom = -30.0f;
-	const float maxZoom = 300.0f;
-
-	//reset view type
-	rv3d->view = 0;
-//printf("passing here \n");
-//
-	if (scene->obedit==NULL && ob && !(ob->mode & OB_MODE_POSE)) {
-		use_sel = 1;
-	}
-
-	if((dz_flag)||rv3d->dist==0) {
-		dz_flag = 0;
-		rv3d->dist = m_dist;
-		upvec[0] = upvec[1] = 0;
-		upvec[2] = rv3d->dist;
-		copy_m3_m4(mat, rv3d->viewinv);
-		mul_m3_v3(mat, upvec);
-		add_v3_v3(rv3d->ofs, upvec);
-	}
-
-	/*----------------------------------------------------
-	 * sometimes this routine is called from headerbuttons
-	 * viewmove needs to refresh the screen
-	 */
-// XXX	areawinset(curarea->win);
-
-	/*----------------------------------------------------
-	 * record how much time has passed. clamp at 10 Hz
-	 * pretend the previous frame occurred at the clamped time
-	 */
-//    now = PIL_check_seconds_timer();
- //   frametime = (now - prevTime);
- //   if (frametime > 0.1f){        /* if more than 1/10s */
- //       frametime = 1.0f/60.0;      /* clamp at 1/60s so no jumps when starting to move */
-//    }
-//    prevTime = now;
- //   sbadjust *= 60 * frametime;             /* normalize ndof device adjustments to 100Hz for framerate independence */
-
-	/* fetch the current state of the ndof device & enforce dominant mode if selected */
-// XXX    getndof(fval);
-	if (v3d->ndoffilter)
-		filterNDOFvalues(fval);
-
-
-	// put scaling back here, was previously in ghostwinlay
-	fval[0] = fval[0] * (1.0f/600.0f);
-	fval[1] = fval[1] * (1.0f/600.0f);
-	fval[2] = fval[2] * (1.0f/1100.0f);
-	fval[3] = fval[3] * 0.00005f;
-	fval[4] =-fval[4] * 0.00005f;
-	fval[5] = fval[5] * 0.00005f;
-	fval[6] = fval[6] / 1000000.0f;
-
-	// scale more if not in perspective mode
-	if (rv3d->persp == RV3D_ORTHO) {
-		fval[0] = fval[0] * 0.05f;
-		fval[1] = fval[1] * 0.05f;
-		fval[2] = fval[2] * 0.05f;
-		fval[3] = fval[3] * 0.9f;
-		fval[4] = fval[4] * 0.9f;
-		fval[5] = fval[5] * 0.9f;
-		zsens *= 8;
-	}
-
-	/* set object offset */
-	if (ob) {
-		obofs[0] = -ob->obmat[3][0];
-		obofs[1] = -ob->obmat[3][1];
-		obofs[2] = -ob->obmat[3][2];
-	}
-	else {
-		copy_v3_v3(obofs, rv3d->ofs);
-	}
-
-	/* calc an adjustment based on distance from camera
-	   disabled per patch 14402 */
-	 d = 1.0f;
-
-/*    if (ob) {
-		sub_v3_v3v3(diff, obofs, rv3d->ofs);
-		d = len_v3(diff);
-	}
-*/
-
-	reverse = (rv3d->persmat[2][1] < 0.0f) ? -1.0f : 1.0f;
-
-	/*----------------------------------------------------
-	 * ndof device pan
-	 */
-	psens *= 1.0f + d;
-	curareaX = sbadjust * psens * fval[0];
-	curareaY = sbadjust * psens * fval[1];
-	dvec[0] = curareaX * rv3d->persinv[0][0] + curareaY * rv3d->persinv[1][0];
-	dvec[1] = curareaX * rv3d->persinv[0][1] + curareaY * rv3d->persinv[1][1];
-	dvec[2] = curareaX * rv3d->persinv[0][2] + curareaY * rv3d->persinv[1][2];
-	add_v3_v3(rv3d->ofs, dvec);
-
-	/*----------------------------------------------------
-	 * ndof device dolly
-	 */
-	len = zsens * sbadjust * fval[2];
-
-	if (rv3d->persp==RV3D_CAMOB) {
-		if(rv3d->persp==RV3D_CAMOB) { /* This is stupid, please fix - TODO */
-			rv3d->camzoom+= 10.0f * -len;
-		}
-		if (rv3d->camzoom < minZoom) rv3d->camzoom = minZoom;
-		else if (rv3d->camzoom > maxZoom) rv3d->camzoom = maxZoom;
-	}
-	else if ((rv3d->dist> 0.001*v3d->grid) && (rv3d->dist<10.0*v3d->far)) {
-		rv3d->dist*=(1.0 + len);
-	}
-
-
-	/*----------------------------------------------------
-	 * ndof device turntable
-	 * derived from the turntable code in viewmove
-	 */
-
-	/* Get the 3x3 matrix and its inverse from the quaternion */
-	quat_to_mat3( m,rv3d->viewquat);
-	invert_m3_m3(m_inv,m);
-
-	/* Determine the direction of the x vector (for rotating up and down) */
-	/* This can likely be compuated directly from the quaternion. */
-	mul_m3_v3(m_inv,xvec);
-	mul_m3_v3(m_inv,yvec);
-	mul_m3_v3(m_inv,zvec);
-
-	/* Perform the up/down rotation */
-	phi = sbadjust * rsens * /*0.5f * */ fval[3]; /* spin vertically half as fast as horizontally */
-	q1[0] = cos(phi);
-	mul_v3_v3fl(q1+1, xvec, sin(phi));
-	mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, q1);
-
-	if (use_sel) {
-		conjugate_qt(q1); /* conj == inv for unit quat */
-		sub_v3_v3(rv3d->ofs, obofs);
-		mul_qt_v3(q1, rv3d->ofs);
-		add_v3_v3(rv3d->ofs, obofs);
-	}
-
-	/* Perform the orbital rotation */
-	/* Perform the orbital rotation
-	   If the seen Up axis is parallel to the zoom axis, rotation should be
-	   achieved with a pure Roll motion (no Spin) on the device. When you start
-	   to tilt, moving from Top to Side view, Spinning will increasingly become
-	   more relevant while the Roll component will decrease. When a full
-	   Side view is reached, rotations around the world's Up axis are achieved
-	   with a pure Spin-only motion.  In other words the control of the spinning
-	   around the world's Up axis should move from the device's Spin axis to the
-	   device's Roll axis depending on the orientation of the world's Up axis
-	   relative to the screen. */
-	//phi = sbadjust * rsens * reverse * fval[4];  /* spin the knob, y axis */
-	phi = sbadjust * rsens * (yvec[2] * fval[4] + zvec[2] * fval[5]);
-	q1[0] = cos(phi);
-	q1[1] = q1[2] = 0.0;
-	q1[3] = sin(phi);
-	mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, q1);
-
-	if (use_sel) {
-		conjugate_qt(q1);
-		sub_v3_v3(rv3d->ofs, obofs);
-		mul_qt_v3(q1, rv3d->ofs);
-		add_v3_v3(rv3d->ofs, obofs);
-	}
-
-	/*----------------------------------------------------
-	 * refresh the screen
-	 */
-// XXX    scrarea_do_windraw(curarea);
-}
-#endif // if 0, unused NDof code
-
-
 /* Gets the view trasnformation from a camera
 * currently dosnt take camzoom into account
 *
diff --git a/source/blender/editors/space_view3d/view3d_fly.c b/source/blender/editors/space_view3d/view3d_fly.c
index 79f2d98cabd..fed27eadb58 100644
--- a/source/blender/editors/space_view3d/view3d_fly.c
+++ b/source/blender/editors/space_view3d/view3d_fly.c
@@ -29,6 +29,9 @@
 
 /* defines VIEW3D_OT_fly modal operator */
 
+//#define NDOF_FLY_DEBUG
+//#define NDOF_FLY_DRAW_TOOMUCH // is this needed for ndof? - commented so redraw doesnt thrash - campbell
+
 #include "DNA_anim_types.h"
 #include "DNA_scene_types.h"
 #include "DNA_object_types.h"
@@ -109,7 +112,7 @@ void fly_modal_keymap(wmKeyConfig *keyconf)
 	wmKeyMap *keymap= WM_modalkeymap_get(keyconf, "View3D Fly Modal");
 
 	/* this function is called for each spacetype, only needs to add map once */
-	if(keymap) return;
+	if (keymap) return;
 
 	keymap= WM_modalkeymap_add(keyconf, "View3D Fly Modal", RNA_enum_items_gettexted(modal_items));
 
@@ -146,7 +149,6 @@ void fly_modal_keymap(wmKeyConfig *keyconf)
 
 	/* assign map to operators */
 	WM_modalkeymap_assign(keymap, "VIEW3D_OT_fly");
-
 }
 
 typedef struct FlyInfo {
@@ -161,7 +163,9 @@ typedef struct FlyInfo {
 	short state;
 	short use_precision;
 	short redraw;
-	int mval[2];
+
+	int mval[2]; /* latest 2D mouse values */
+	wmNDOFMotionData* ndof; /* latest 3D mouse values */
 
 	/* fly state state */
 	float speed; /* the speed the view is moving per redraw */
@@ -260,17 +264,21 @@ static int initFlyInfo (bContext *C, FlyInfo *fly, wmOperator *op, wmEvent *even
 	fly->ar = CTX_wm_region(C);
 	fly->scene= CTX_data_scene(C);
 
-	if(fly->rv3d->persp==RV3D_CAMOB && fly->v3d->camera->id.lib) {
+#ifdef NDOF_FLY_DEBUG
+	puts("\n-- fly begin --");
+#endif
+
+	if (fly->rv3d->persp==RV3D_CAMOB && fly->v3d->camera->id.lib) {
 		BKE_report(op->reports, RPT_ERROR, "Cannot fly a camera from an external library");
 		return FALSE;
 	}
 
-	if(fly->v3d->ob_centre) {
+	if (fly->v3d->ob_centre) {
 		BKE_report(op->reports, RPT_ERROR, "Cannot fly when the view is locked to an object");
 		return FALSE;
 	}
 
-	if(fly->rv3d->persp==RV3D_CAMOB && fly->v3d->camera->constraints.first) {
+	if (fly->rv3d->persp==RV3D_CAMOB && fly->v3d->camera->constraints.first) {
 		BKE_report(op->reports, RPT_ERROR, "Cannot fly an object with constraints");
 		return FALSE;
 	}
@@ -286,11 +294,15 @@ static int initFlyInfo (bContext *C, FlyInfo *fly, wmOperator *op, wmEvent *even
 	fly->grid= 1.0f;
 	fly->use_precision= 0;
 
+#ifdef NDOF_FLY_DRAW_TOOMUCH
+	fly->redraw= 1;
+#endif
 	fly->dvec_prev[0]= fly->dvec_prev[1]= fly->dvec_prev[2]= 0.0f;
 
 	fly->timer= WM_event_add_timer(CTX_wm_manager(C), CTX_wm_window(C), TIMER, 0.01f);
 
 	VECCOPY2D(fly->mval, event->mval)
+	fly->ndof = NULL;
 
 	fly->time_lastdraw= fly->time_lastwheel= PIL_check_seconds_timer();
 
@@ -310,7 +322,7 @@ static int initFlyInfo (bContext *C, FlyInfo *fly, wmOperator *op, wmEvent *even
 	fly->dist_backup= fly->rv3d->dist;
 	if (fly->rv3d->persp==RV3D_CAMOB) {
 		Object *ob_back;
-		if((U.uiflag & USER_CAM_LOCK_NO_PARENT)==0 && (fly->root_parent=fly->v3d->camera->parent)) {
+		if ((U.uiflag & USER_CAM_LOCK_NO_PARENT)==0 && (fly->root_parent=fly->v3d->camera->parent)) {
 			while(fly->root_parent->parent)
 				fly->root_parent= fly->root_parent->parent;
 			ob_back= fly->root_parent;
@@ -328,12 +340,22 @@ static int initFlyInfo (bContext *C, FlyInfo *fly, wmOperator *op, wmEvent *even
 		negate_v3_v3(fly->rv3d->ofs, fly->v3d->camera->obmat[3]);
 
 		fly->rv3d->dist=0.0;
-	} else {
+	}
+	else {
 		/* perspective or ortho */
 		if (fly->rv3d->persp==RV3D_ORTHO)
 			fly->rv3d->persp= RV3D_PERSP; /*if ortho projection, make perspective */
+
 		copy_qt_qt(fly->rot_backup, fly->rv3d->viewquat);
 		copy_v3_v3(fly->ofs_backup, fly->rv3d->ofs);
+
+		/* the dist defines a vector that is infront of the offset
+		to rotate the view about.
+		this is no good for fly mode because we
+		want to rotate about the viewers center.
+		but to correct the dist removal we must
+		alter offset so the view doesn't jump. */
+
 		fly->rv3d->dist= 0.0f;
 
 		upvec[2]= fly->dist_backup; /*x and y are 0*/
@@ -341,7 +363,6 @@ static int initFlyInfo (bContext *C, FlyInfo *fly, wmOperator *op, wmEvent *even
 		sub_v3_v3(fly->rv3d->ofs, upvec);
 		/*Done with correcting for the dist*/
 	}
-
 	
 	/* center the mouse, probably the UI mafia are against this but without its quite annoying */
 	WM_cursor_warp(CTX_wm_window(C), fly->ar->winrct.xmin + fly->ar->winx/2, fly->ar->winrct.ymin + fly->ar->winy/2);
@@ -356,9 +377,13 @@ static int flyEnd(bContext *C, FlyInfo *fly)
 
 	float upvec[3];
 
-	if(fly->state == FLY_RUNNING)
+	if (fly->state == FLY_RUNNING)
 		return OPERATOR_RUNNING_MODAL;
 
+#ifdef NDOF_FLY_DEBUG
+	puts("\n-- fly end --");
+#endif
+
 	WM_event_remove_timer(CTX_wm_manager(C), CTX_wm_window(C), fly->timer);
 
 	ED_region_draw_cb_exit(fly->ar->type, fly->draw_handle_pixel);
@@ -369,14 +394,14 @@ static int flyEnd(bContext *C, FlyInfo *fly)
 	/* Revert to original view? */
 		if (fly->persp_backup==RV3D_CAMOB) { /* a camera view */
 			Object *ob_back;
-			if(fly->root_parent)ob_back= fly->root_parent;
-			else				ob_back= fly->v3d->camera;
+			ob_back= (fly->root_parent) ? fly->root_parent : fly->v3d->camera;
 
 			/* store the original camera loc and rot */
 			object_tfm_restore(ob_back, fly->obtfm);
 
 			DAG_id_tag_update(&ob_back->id, OB_RECALC_OB);
-		} else {
+		}
+		else {
 			/* Non Camera we need to reset the view back to the original location bacause the user canceled*/
 			copy_qt_qt(rv3d->viewquat, fly->rot_backup);
 			copy_v3_v3(rv3d->ofs, fly->ofs_backup);
@@ -401,10 +426,13 @@ static int flyEnd(bContext *C, FlyInfo *fly)
 	rv3d->rflag &= ~RV3D_NAVIGATING;
 //XXX2.5	BIF_view3d_previewrender_signal(fly->sa, PR_DBASE|PR_DISPRECT); /* not working at the moment not sure why */
 
-	if(fly->obtfm)
+	if (fly->obtfm)
 		MEM_freeN(fly->obtfm);
 
-	if(fly->state == FLY_CONFIRM) {
+	if (fly->ndof)
+		MEM_freeN(fly->ndof);
+
+	if (fly->state == FLY_CONFIRM) {
 		MEM_freeN(fly);
 		return OPERATOR_FINISHED;
 	}
@@ -420,7 +448,52 @@ static void flyEvent(FlyInfo *fly, wmEvent *event)
 	}
 	else if (event->type == MOUSEMOVE) {
 		VECCOPY2D(fly->mval, event->mval);
-	} /* handle modal keymap first */
+	}
+	else if (event->type == NDOF_MOTION) {
+		// do these automagically get delivered? yes.
+		// puts("ndof motion detected in fly mode!");
+		// static const char* tag_name = "3D mouse position";
+
+		wmNDOFMotionData* incoming_ndof = (wmNDOFMotionData*) event->customdata;
+		switch (incoming_ndof->progress) {
+			case P_STARTING:
+				// start keeping track of 3D mouse position
+#ifdef NDOF_FLY_DEBUG
+				puts("start keeping track of 3D mouse position");
+#endif
+				// fall through...
+			case P_IN_PROGRESS:
+				// update 3D mouse position
+#ifdef NDOF_FLY_DEBUG
+				putchar('.'); fflush(stdout);
+#endif
+				if (fly->ndof == NULL) {
+					// fly->ndof = MEM_mallocN(sizeof(wmNDOFMotionData), tag_name);
+					fly->ndof = MEM_dupallocN(incoming_ndof);
+					// fly->ndof = malloc(sizeof(wmNDOFMotionData));
+				}
+				else {
+					memcpy(fly->ndof, incoming_ndof, sizeof(wmNDOFMotionData));
+				}
+				break;
+			case P_FINISHING:
+				// stop keeping track of 3D mouse position
+#ifdef NDOF_FLY_DEBUG
+				puts("stop keeping track of 3D mouse position");
+#endif
+				if (fly->ndof) {
+					MEM_freeN(fly->ndof);
+					// free(fly->ndof);
+					fly->ndof = NULL;
+				}
+				/* update the time else the view will jump when 2D mouse/timer resume */
+				fly->time_lastdraw= PIL_check_seconds_timer();
+				break;
+			default:
+				; // should always be one of the above 3
+			}
+		}
+	/* handle modal keymap first */
 	else if (event->type == EVT_MODAL_MAP) {
 		switch (event->val) {
 			case FLY_MODAL_CANCEL:
@@ -442,7 +515,9 @@ static void flyEvent(FlyInfo *fly, wmEvent *event)
 				/*Mouse wheel delays range from 0.5==slow to 0.01==fast*/
 				time_wheel = 1.0f + (10.0f - (20.0f * MIN2(time_wheel, 0.5f))); /* 0-0.5 -> 0-5.0 */
 
-				if (fly->speed<0.0f) fly->speed= 0.0f;
+				if (fly->speed < 0.0f) {
+					fly->speed= 0.0f;
+				}
 				else {
 					if (event->shift)
 						fly->speed += fly->grid*time_wheel * 0.1f;
@@ -461,7 +536,9 @@ static void flyEvent(FlyInfo *fly, wmEvent *event)
 				fly->time_lastwheel = time_currwheel;
 				time_wheel = 1.0f + (10.0f - (20.0f * MIN2(time_wheel, 0.5f))); /* 0-0.5 -> 0-5.0 */
 
-				if (fly->speed>0) fly->speed=0;
+				if (fly->speed > 0.0f) {
+					fly->speed=0;
+				}
 				else {
 					if (event->shift)
 						fly->speed-= fly->grid*time_wheel * 0.1f;
@@ -531,14 +608,81 @@ static void flyEvent(FlyInfo *fly, wmEvent *event)
 			case FLY_MODAL_PRECISION_DISABLE:
 				fly->use_precision= FALSE;
 				break;
+		}
+	}
+}
 
+
+static void move_camera(bContext* C, RegionView3D* rv3d, FlyInfo* fly, int orientationChanged, int positionChanged)
+{
+	/* we are in camera view so apply the view ofs and quat to the view matrix and set the camera to the view */
+
+	View3D* v3d = fly->v3d;
+	Scene *scene= fly->scene;
+	ID *id_key;
+
+	/* transform the parent or the camera? */
+	if (fly->root_parent) {
+		Object *ob_update;
+
+		float view_mat[4][4];
+		float prev_view_mat[4][4];
+		float prev_view_imat[4][4];
+		float diff_mat[4][4];
+		float parent_mat[4][4];
+
+		ED_view3d_to_m4(prev_view_mat, fly->rv3d->ofs, fly->rv3d->viewquat, fly->rv3d->dist);
+		invert_m4_m4(prev_view_imat, prev_view_mat);
+		ED_view3d_to_m4(view_mat, rv3d->ofs, rv3d->viewquat, rv3d->dist);
+		mul_m4_m4m4(diff_mat, prev_view_imat, view_mat);
+		mul_m4_m4m4(parent_mat, fly->root_parent->obmat, diff_mat);
+		object_apply_mat4(fly->root_parent, parent_mat, TRUE, FALSE);
+
+		// where_is_object(scene, fly->root_parent);
+
+		ob_update= v3d->camera->parent;
+		while(ob_update) {
+			DAG_id_tag_update(&ob_update->id, OB_RECALC_OB);
+			ob_update= ob_update->parent;
 		}
+
+		id_key= &fly->root_parent->id;
+	}
+	else {
+		float view_mat[4][4];
+		ED_view3d_to_m4(view_mat, rv3d->ofs, rv3d->viewquat, rv3d->dist);
+		object_apply_mat4(v3d->camera, view_mat, TRUE, FALSE);
+		id_key= &v3d->camera->id;
+	}
+
+	/* record the motion */
+	if (autokeyframe_cfra_can_key(scene, id_key)) {
+		ListBase dsources = {NULL, NULL};
+		
+		/* add datasource override for the camera object */
+		ANIM_relative_keyingset_add_source(&dsources, id_key, NULL, NULL); 
+		
+		/* insert keyframes 
+		 *	1) on the first frame
+		 *	2) on each subsequent frame
+		 *		TODO: need to check in future that frame changed before doing this 
+		 */
+		if (orientationChanged) {
+			KeyingSet *ks= ANIM_builtin_keyingset_get_named(NULL, "Rotation");
+			ANIM_apply_keyingset(C, &dsources, NULL, ks, MODIFYKEY_MODE_INSERT, (float)CFRA);
+		}
+		if (positionChanged) {
+			KeyingSet *ks= ANIM_builtin_keyingset_get_named(NULL, "Location");
+			ANIM_apply_keyingset(C, &dsources, NULL, ks, MODIFYKEY_MODE_INSERT, (float)CFRA);
+		}
+		
+		/* free temp data */
+		BLI_freelistN(&dsources);
 	}
 }
 
 static int flyApply(bContext *C, FlyInfo *fly)
 {
-
 #define FLY_ROTATE_FAC 2.5f /* more is faster */
 #define FLY_ZUP_CORRECT_FAC 0.1f /* amount to correct per step */
 #define FLY_ZUP_CORRECT_ACCEL 0.05f /* increase upright momentum each step */
@@ -548,11 +692,7 @@ static int flyApply(bContext *C, FlyInfo *fly)
 	a fly loop where the user can move move the view as if they are flying
 	*/
 	RegionView3D *rv3d= fly->rv3d;
-	View3D *v3d = fly->v3d;
 	ARegion *ar = fly->ar;
-	Scene *scene= fly->scene;
-
-	float prev_view_mat[4][4];
 
 	float mat[3][3], /* 3x3 copy of the view matrix so we can move allong the view axis */
 	dvec[3]={0,0,0}, /* this is the direction thast added to the view offset per redraw */
@@ -570,15 +710,11 @@ static int flyApply(bContext *C, FlyInfo *fly)
 	unsigned char
 	apply_rotation= 1; /* if the user presses shift they can look about without movinf the direction there looking*/
 
-	if(fly->root_parent)
-		ED_view3d_to_m4(prev_view_mat, fly->rv3d->ofs, fly->rv3d->viewquat, fly->rv3d->dist);
+#ifdef NDOF_FLY_DEBUG
+	static unsigned int iteration = 1;
+	printf("fly timer %d\n", iteration++);
+#endif
 
-	/* the dist defines a vector that is infront of the offset
-	to rotate the view about.
-	this is no good for fly mode because we
-	want to rotate about the viewers center.
-	but to correct the dist removal we must
-	alter offset so the view doesn't jump. */
 
 	xmargin= ar->winx/20.0f;
 	ymargin= ar->winy/20.0f;
@@ -608,23 +744,25 @@ static int flyApply(bContext *C, FlyInfo *fly)
 		 *
 		 * the mouse moves isnt linear */
 
-		if(moffset[0]) {
+		if (moffset[0]) {
 			moffset[0] /= ar->winx - (xmargin*2);
 			moffset[0] *= fabsf(moffset[0]);
 		}
 
-		if(moffset[1]) {
+		if (moffset[1]) {
 			moffset[1] /= ar->winy - (ymargin*2);
 			moffset[1] *= fabsf(moffset[1]);
 		}
 
 		/* Should we redraw? */
-		if(fly->speed != 0.0f || moffset[0] || moffset[1] || fly->zlock || fly->xlock || dvec[0] || dvec[1] || dvec[2] ) {
+		if (fly->speed != 0.0f || moffset[0] || moffset[1] || fly->zlock || fly->xlock || dvec[0] || dvec[1] || dvec[2] ) {
 			float dvec_tmp[3];
 			double time_current; /*time how fast it takes for us to redraw, this is so simple scenes dont fly too fast */
 			float time_redraw;
 			float time_redraw_clamped;
-
+#ifdef NDOF_FLY_DRAW_TOOMUCH
+			fly->redraw= 1;
+#endif
 			time_current= PIL_check_seconds_timer();
 			time_redraw= (float)(time_current - fly->time_lastdraw);
 			time_redraw_clamped= MIN2(0.05f, time_redraw); /* clamt the redraw time to avoid jitter in roll correction */
@@ -651,8 +789,8 @@ static int flyApply(bContext *C, FlyInfo *fly)
 
 				mul_m3_v3(mat, dvec_tmp);
 				mul_v3_fl(dvec_tmp, time_redraw * 200.0f * fly->grid);
-
-			} else {
+			}
+			else {
 				float roll; /* similar to the angle between the camera's up and the Z-up, but its very rough so just roll*/
 
 				/* rotate about the X axis- look up/down */
@@ -673,27 +811,28 @@ static int flyApply(bContext *C, FlyInfo *fly)
 				if (moffset[0]) {
 
 					/* if we're upside down invert the moffset */
-					upvec[0]=0;
-					upvec[1]=1;
-					upvec[2]=0;
+					upvec[0]= 0.0f;
+					upvec[1]= 1.0f;
+					upvec[2]= 0.0f;
 					mul_m3_v3(mat, upvec);
 
-					if(upvec[2] < 0.0f)
+					if (upvec[2] < 0.0f)
 						moffset[0]= -moffset[0];
 
 					/* make the lock vectors */
 					if (fly->zlock) {
-						upvec[0]=0;
-						upvec[1]=0;
-						upvec[2]=1;
-					} else {
-						upvec[0]=0;
-						upvec[1]=1;
-						upvec[2]=0;
+						upvec[0]= 0.0f;
+						upvec[1]= 0.0f;
+						upvec[2]= 1.0f;
+					}
+					else {
+						upvec[0]= 0.0f;
+						upvec[1]= 1.0f;
+						upvec[2]= 0.0f;
 						mul_m3_v3(mat, upvec);
 					}
 
-					axis_angle_to_quat( tmp_quat, upvec, (float)moffset[0] * time_redraw * FLY_ROTATE_FAC); /* Rotate about the relative up vec */
+					axis_angle_to_quat(tmp_quat, upvec, (float)moffset[0] * time_redraw * FLY_ROTATE_FAC); /* Rotate about the relative up vec */
 					mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, tmp_quat);
 
 					if (fly->xlock) fly->xlock = 2;/*check for rotation*/
@@ -701,25 +840,26 @@ static int flyApply(bContext *C, FlyInfo *fly)
 				}
 
 				if (fly->zlock==2) {
-					upvec[0]=1;
-					upvec[1]=0;
-					upvec[2]=0;
+					upvec[0]= 1.0f;
+					upvec[1]= 0.0f;
+					upvec[2]= 0.0f;
 					mul_m3_v3(mat, upvec);
 
 					/*make sure we have some z rolling*/
 					if (fabsf(upvec[2]) > 0.00001f) {
-						roll= upvec[2]*5;
-						upvec[0]=0; /*rotate the view about this axis*/
-						upvec[1]=0;
-						upvec[2]=1;
+						roll= upvec[2] * 5.0f;
+						upvec[0]= 0.0f; /*rotate the view about this axis*/
+						upvec[1]= 0.0f;
+						upvec[2]= 1.0f;
 
 						mul_m3_v3(mat, upvec);
 						axis_angle_to_quat( tmp_quat, upvec, roll*time_redraw_clamped*fly->zlock_momentum * FLY_ZUP_CORRECT_FAC); /* Rotate about the relative up vec */
 						mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, tmp_quat);
 
 						fly->zlock_momentum += FLY_ZUP_CORRECT_ACCEL;
-					} else {
-						fly->zlock=1; /* dont check until the view rotates again */
+					}
+					else {
+						fly->zlock= 1; /* dont check until the view rotates again */
 						fly->zlock_momentum= 0.0f;
 					}
 				}
@@ -730,8 +870,8 @@ static int flyApply(bContext *C, FlyInfo *fly)
 					upvec[2]=1;
 					mul_m3_v3(mat, upvec);
 					/*make sure we have some z rolling*/
-					if (fabs(upvec[2]) > 0.00001) {
-						roll= upvec[2] * -5;
+					if (fabs(upvec[2]) > 0.00001f) {
+						roll= upvec[2] * -5.0f;
 
 						upvec[0]= 1.0f; /*rotate the view about this axis*/
 						upvec[1]= 0.0f;
@@ -743,7 +883,8 @@ static int flyApply(bContext *C, FlyInfo *fly)
 						mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, tmp_quat);
 
 						fly->xlock_momentum += 0.05f;
-					} else {
+					}
+					else {
 						fly->xlock=1; /* see above */
 						fly->xlock_momentum= 0.0f;
 					}
@@ -787,96 +928,164 @@ static int flyApply(bContext *C, FlyInfo *fly)
 				ED_area_headerprint(fly->ar, "FlyKeys  Speed:(+/- | Wheel),  Upright Axis:X off/Z off,  Slow:Shift,  Direction:WASDRF,  Ok:LMB,  Pan:MMB,  Cancel:RMB");
 #endif
 
-			/* we are in camera view so apply the view ofs and quat to the view matrix and set the camera to the view */
-			if (rv3d->persp==RV3D_CAMOB) {
-				ID *id_key;
-				/* transform the parent or the camera? */
-				if(fly->root_parent) {
-					Object *ob_update;
-
-					float view_mat[4][4];
-					float prev_view_imat[4][4];
-					float diff_mat[4][4];
-					float parent_mat[4][4];
-
-					invert_m4_m4(prev_view_imat, prev_view_mat);
-					ED_view3d_to_m4(view_mat, rv3d->ofs, rv3d->viewquat, rv3d->dist);
-					mul_m4_m4m4(diff_mat, prev_view_imat, view_mat);
-					mul_m4_m4m4(parent_mat, fly->root_parent->obmat, diff_mat);
-					object_apply_mat4(fly->root_parent, parent_mat, TRUE, FALSE);
-
-					// where_is_object(scene, fly->root_parent);
-
-					ob_update= v3d->camera->parent;
-					while(ob_update) {
-						DAG_id_tag_update(&ob_update->id, OB_RECALC_OB);
-						ob_update= ob_update->parent;
-					}
+			if (rv3d->persp==RV3D_CAMOB)
+				move_camera(C, rv3d, fly, (fly->xlock || fly->zlock || moffset[0] || moffset[1]), fly->speed);
 
-					copy_m4_m4(prev_view_mat, view_mat);
+		}
+		else {
+			/* we're not redrawing but we need to update the time else the view will jump */
+			fly->time_lastdraw= PIL_check_seconds_timer();
+		}
+		/* end drawing */
+		copy_v3_v3(fly->dvec_prev, dvec);
+	}
 
-					id_key= &fly->root_parent->id;
+	return OPERATOR_FINISHED;
+}
 
-				}
-				else {
-					float view_mat[4][4];
-					ED_view3d_to_m4(view_mat, rv3d->ofs, rv3d->viewquat, rv3d->dist);
-					object_apply_mat4(v3d->camera, view_mat, TRUE, FALSE);
-					id_key= &v3d->camera->id;
-				}
+static int flyApply_ndof(bContext *C, FlyInfo *fly)
+{
+	/* shorthand for oft-used variables */
+	wmNDOFMotionData* ndof = fly->ndof;
+	const float dt = ndof->dt;
+	RegionView3D* rv3d = fly->rv3d;
+	const int flag = U.ndof_flag;
 
-				/* record the motion */
-				if (autokeyframe_cfra_can_key(scene, id_key)) {
-					ListBase dsources = {NULL, NULL};
-					
-					/* add datasource override for the camera object */
-					ANIM_relative_keyingset_add_source(&dsources, id_key, NULL, NULL); 
-					
-					/* insert keyframes 
-					 *	1) on the first frame
-					 *	2) on each subsequent frame
-					 *		TODO: need to check in future that frame changed before doing this 
-					 */
-					if (fly->xlock || fly->zlock || moffset[0] || moffset[1]) {
-						KeyingSet *ks= ANIM_builtin_keyingset_get_named(NULL, "Rotation");
-						ANIM_apply_keyingset(C, &dsources, NULL, ks, MODIFYKEY_MODE_INSERT, (float)CFRA);
-					}
-					if (fly->speed) {
-						KeyingSet *ks= ANIM_builtin_keyingset_get_named(NULL, "Location");
-						ANIM_apply_keyingset(C, &dsources, NULL, ks, MODIFYKEY_MODE_INSERT, (float)CFRA);
-					}
-					
-					/* free temp data */
-					BLI_freelistN(&dsources);
-				}
+/*	int shouldRotate = (flag & NDOF_SHOULD_ROTATE) && (fly->pan_view == FALSE),
+	    shouldTranslate = (flag & (NDOF_SHOULD_PAN | NDOF_SHOULD_ZOOM)); */
+
+	int shouldRotate = (fly->pan_view == FALSE),
+	    shouldTranslate = TRUE;
+
+	float view_inv[4];
+	invert_qt_qt(view_inv, rv3d->viewquat);
+
+	rv3d->rot_angle = 0.f; // disable onscreen rotation doo-dad
+
+	if (shouldTranslate) {
+		const float forward_sensitivity = 1.f;
+		const float vertical_sensitivity = 0.4f;
+		const float lateral_sensitivity = 0.6f;
+
+		float speed = 10.f; /* blender units per second */
+		/* ^^ this is ok for default cube scene, but should scale with.. something */
+
+		float trans[3] = {
+			lateral_sensitivity * ndof->tvec[0],
+			vertical_sensitivity * ndof->tvec[1],
+			forward_sensitivity * ndof->tvec[2]
+			};
+
+		if (fly->use_precision)
+			speed *= 0.2f;
+
+		mul_v3_fl(trans, speed * dt);
+
+		// transform motion from view to world coordinates
+		mul_qt_v3(view_inv, trans);
+
+		if (flag & NDOF_FLY_HELICOPTER) {
+			/* replace world z component with device y (yes it makes sense) */
+			trans[2] = speed * dt * vertical_sensitivity * ndof->tvec[1];
+		}
+
+		if (rv3d->persp==RV3D_CAMOB) {
+			// respect camera position locks
+			Object *lock_ob= fly->root_parent ? fly->root_parent : fly->v3d->camera;
+			if (lock_ob->protectflag & OB_LOCK_LOCX) trans[0] = 0.f;
+			if (lock_ob->protectflag & OB_LOCK_LOCY) trans[1] = 0.f;
+			if (lock_ob->protectflag & OB_LOCK_LOCZ) trans[2] = 0.f;
+		}
+
+		if (!is_zero_v3(trans)) {
+			// move center of view opposite of hand motion (this is camera mode, not object mode)
+			sub_v3_v3(rv3d->ofs, trans);
+			shouldTranslate = TRUE;
+		}
+		else {
+			shouldTranslate = FALSE;
+		}
+	}
+
+	if (shouldRotate) {
+		const float turn_sensitivity = 1.f;
+
+		float rotation[4];
+		float axis[3];
+		float angle = turn_sensitivity * ndof_to_axis_angle(ndof, axis);
+
+		if (fabsf(angle) > 0.0001f) {
+			shouldRotate = TRUE;
+
+			if (fly->use_precision)
+				angle *= 0.2f;
+
+			/* transform rotation axis from view to world coordinates */
+			mul_qt_v3(view_inv, axis);
+
+			// apply rotation to view
+			axis_angle_to_quat(rotation, axis, angle);
+			mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, rotation);
+
+			if (flag & NDOF_LOCK_HORIZON) {
+				/* force an upright viewpoint
+				 * TODO: make this less... sudden */
+				float view_horizon[3] = {1.f, 0.f, 0.f}; /* view +x */
+				float view_direction[3] = {0.f, 0.f, -1.f}; /* view -z (into screen) */
+
+				/* find new inverse since viewquat has changed */
+				invert_qt_qt(view_inv, rv3d->viewquat);
+				/* could apply reverse rotation to existing view_inv to save a few cycles */
+
+				/* transform view vectors to world coordinates */
+				mul_qt_v3(view_inv, view_horizon);
+				mul_qt_v3(view_inv, view_direction);
+
+				/* find difference between view & world horizons
+				 * true horizon lives in world xy plane, so look only at difference in z */
+				angle = -asinf(view_horizon[2]);
+
+#ifdef NDOF_FLY_DEBUG
+				printf("lock horizon: adjusting %.1f degrees\n\n", RAD2DEG(angle));
+#endif
+
+				/* rotate view so view horizon = world horizon */
+				axis_angle_to_quat(rotation, view_direction, angle);
+				mul_qt_qtqt(rv3d->viewquat, rv3d->viewquat, rotation);
 			}
-		} else
-			/*were not redrawing but we need to update the time else the view will jump */
-			fly->time_lastdraw= PIL_check_seconds_timer();
-		/* end drawing */
-		copy_v3_v3(fly->dvec_prev, dvec);
+
+			rv3d->view = RV3D_VIEW_USER;
+		}
+		else {
+			shouldRotate = FALSE;
+		}
 	}
 
-/* moved to flyEnd() */
+	if (shouldTranslate || shouldRotate) {
+		fly->redraw = TRUE;
+
+		if (rv3d->persp==RV3D_CAMOB) {
+			move_camera(C, rv3d, fly, shouldRotate, shouldTranslate);
+		}
+	}
 
 	return OPERATOR_FINISHED;
 }
 
 
-
 static int fly_invoke(bContext *C, wmOperator *op, wmEvent *event)
 {
 	RegionView3D *rv3d= CTX_wm_region_view3d(C);
 	FlyInfo *fly;
 
-	if(rv3d->viewlock)
+	if (rv3d->viewlock)
 		return OPERATOR_CANCELLED;
 
 	fly= MEM_callocN(sizeof(FlyInfo), "FlyOperation");
 
 	op->customdata= fly;
 
-	if(initFlyInfo(C, fly, op, event)==FALSE) {
+	if (initFlyInfo(C, fly, op, event)==FALSE) {
 		MEM_freeN(op->customdata);
 		return OPERATOR_CANCELLED;
 	}
@@ -911,21 +1120,28 @@ static int fly_modal(bContext *C, wmOperator *op, wmEvent *event)
 
 	flyEvent(fly, event);
 
-	if(event->type==TIMER && event->customdata == fly->timer)
+	if (fly->ndof) { /* 3D mouse overrules [2D mouse + timer] */
+		if (event->type==NDOF_MOTION) {
+			flyApply_ndof(C, fly);
+		}
+	}
+	else if (event->type==TIMER && event->customdata == fly->timer) {
 		flyApply(C, fly);
+	}
 
 	do_draw |= fly->redraw;
 
 	exit_code = flyEnd(C, fly);
 
-	if(exit_code!=OPERATOR_RUNNING_MODAL)
+	if (exit_code!=OPERATOR_RUNNING_MODAL)
 		do_draw= TRUE;
 
-	if(do_draw) {
-		if(rv3d->persp==RV3D_CAMOB) {
+	if (do_draw) {
+		if (rv3d->persp==RV3D_CAMOB) {
 			WM_event_add_notifier(C, NC_OBJECT|ND_TRANSFORM, fly_object);
 		}
 
+		// puts("redraw!"); // too frequent, commented with NDOF_FLY_DRAW_TOOMUCH for now
 		ED_region_tag_redraw(CTX_wm_region(C));
 	}
 
diff --git a/source/blender/editors/space_view3d/view3d_header.c b/source/blender/editors/space_view3d/view3d_header.c
index a4e1081d6cd..907f0826de9 100644
--- a/source/blender/editors/space_view3d/view3d_header.c
+++ b/source/blender/editors/space_view3d/view3d_header.c
@@ -282,7 +282,8 @@ static char *view3d_modeselect_pup(Scene *scene)
 	
 	str += sprintf(str, formatstr, _("Object Mode"), OB_MODE_OBJECT, ICON_OBJECT_DATA);
 	
-	if(ob==NULL) return string;
+	if(ob==NULL || ob->data==NULL) return string;
+	if(ob->id.lib || ((ID *)ob->data)->lib) return string;
 	
 	/* if active object is editable */
 	if ( ((ob->type == OB_MESH)
diff --git a/source/blender/editors/space_view3d/view3d_intern.h b/source/blender/editors/space_view3d/view3d_intern.h
index d3886d48873..ab3ce37ff15 100644
--- a/source/blender/editors/space_view3d/view3d_intern.h
+++ b/source/blender/editors/space_view3d/view3d_intern.h
@@ -51,6 +51,7 @@ struct ARegionType;
 struct bPoseChannel;
 struct bAnimVizSettings;
 struct bMotionPath;
+struct wmNDOFMotionData;
 
 #define BL_NEAR_CLIP 0.001
 
@@ -72,6 +73,8 @@ void VIEW3D_OT_dolly(struct wmOperatorType *ot);
 void VIEW3D_OT_zoom_camera_1_to_1(struct wmOperatorType *ot);
 void VIEW3D_OT_move(struct wmOperatorType *ot);
 void VIEW3D_OT_rotate(struct wmOperatorType *ot);
+void VIEW3D_OT_ndof_orbit(struct wmOperatorType *ot);
+void VIEW3D_OT_ndof_pan(struct wmOperatorType *ot);
 void VIEW3D_OT_view_all(struct wmOperatorType *ot);
 void VIEW3D_OT_viewnumpad(struct wmOperatorType *ot);
 void VIEW3D_OT_view_selected(struct wmOperatorType *ot);
@@ -91,6 +94,8 @@ void VIEW3D_OT_zoom_border(struct wmOperatorType *ot);
 void VIEW3D_OT_drawtype(struct wmOperatorType *ot);
 
 void view3d_boxview_copy(ScrArea *sa, ARegion *ar);
+void ndof_to_quat(struct wmNDOFMotionData* ndof, float q[4]);
+float ndof_to_axis_angle(struct wmNDOFMotionData* ndof, float axis[3]);
 
 /* view3d_fly.c */
 void view3d_keymap(struct wmKeyConfig *keyconf);
diff --git a/source/blender/editors/space_view3d/view3d_ops.c b/source/blender/editors/space_view3d/view3d_ops.c
index 05ef79a9f29..e47cb1db753 100644
--- a/source/blender/editors/space_view3d/view3d_ops.c
+++ b/source/blender/editors/space_view3d/view3d_ops.c
@@ -64,6 +64,8 @@ void view3d_operatortypes(void)
 	WM_operatortype_append(VIEW3D_OT_zoom);
 	WM_operatortype_append(VIEW3D_OT_zoom_camera_1_to_1);
 	WM_operatortype_append(VIEW3D_OT_dolly);
+	WM_operatortype_append(VIEW3D_OT_ndof_orbit);
+	WM_operatortype_append(VIEW3D_OT_ndof_pan);
 	WM_operatortype_append(VIEW3D_OT_view_all);
 	WM_operatortype_append(VIEW3D_OT_viewnumpad);
 	WM_operatortype_append(VIEW3D_OT_view_orbit);
@@ -161,6 +163,17 @@ void view3d_keymap(wmKeyConfig *keyconf)
 	RNA_boolean_set(WM_keymap_add_item(keymap, "VIEW3D_OT_view_all", HOMEKEY, KM_PRESS, 0, 0)->ptr, "center", 0); /* only without camera view */
 	RNA_boolean_set(WM_keymap_add_item(keymap, "VIEW3D_OT_view_all", CKEY, KM_PRESS, KM_SHIFT, 0)->ptr, "center", 1);
 
+	/* 3D mouse */
+	WM_keymap_add_item(keymap, "VIEW3D_OT_ndof_orbit", NDOF_MOTION, 0, 0, 0);
+	WM_keymap_add_item(keymap, "VIEW3D_OT_ndof_pan", NDOF_MOTION, 0, KM_SHIFT, 0);
+	WM_keymap_add_item(keymap, "VIEW3D_OT_view_selected", NDOF_BUTTON_FIT, KM_PRESS, 0, 0);
+	RNA_enum_set(WM_keymap_add_item(keymap, "VIEW3D_OT_viewnumpad", NDOF_BUTTON_FRONT, KM_PRESS, 0, 0)->ptr, "type", RV3D_VIEW_FRONT);
+	RNA_enum_set(WM_keymap_add_item(keymap, "VIEW3D_OT_viewnumpad", NDOF_BUTTON_BACK, KM_PRESS, 0, 0)->ptr, "type", RV3D_VIEW_BACK);
+	RNA_enum_set(WM_keymap_add_item(keymap, "VIEW3D_OT_viewnumpad", NDOF_BUTTON_LEFT, KM_PRESS, 0, 0)->ptr, "type", RV3D_VIEW_LEFT);
+	RNA_enum_set(WM_keymap_add_item(keymap, "VIEW3D_OT_viewnumpad", NDOF_BUTTON_RIGHT, KM_PRESS, 0, 0)->ptr, "type", RV3D_VIEW_RIGHT);
+	RNA_enum_set(WM_keymap_add_item(keymap, "VIEW3D_OT_viewnumpad", NDOF_BUTTON_TOP, KM_PRESS, 0, 0)->ptr, "type", RV3D_VIEW_TOP);
+	RNA_enum_set(WM_keymap_add_item(keymap, "VIEW3D_OT_viewnumpad", NDOF_BUTTON_BOTTOM, KM_PRESS, 0, 0)->ptr, "type", RV3D_VIEW_BOTTOM);
+
 	/* numpad view hotkeys*/
 	RNA_enum_set(WM_keymap_add_item(keymap, "VIEW3D_OT_viewnumpad", PAD0, KM_PRESS, 0, 0)->ptr, "type", RV3D_VIEW_CAMERA);
 	RNA_enum_set(WM_keymap_add_item(keymap, "VIEW3D_OT_viewnumpad", PAD1, KM_PRESS, 0, 0)->ptr, "type", RV3D_VIEW_FRONT);
@@ -210,6 +223,17 @@ void view3d_keymap(wmKeyConfig *keyconf)
 	RNA_enum_set(kmi->ptr, "type", RV3D_VIEW_BOTTOM);
 	RNA_boolean_set(kmi->ptr, "align_active", TRUE);
 
+	/* 3D mouse align */
+	kmi= WM_keymap_add_item(keymap, "VIEW3D_OT_viewnumpad", NDOF_BUTTON_FRONT, KM_PRESS, KM_SHIFT, 0);
+	RNA_enum_set(kmi->ptr, "type", RV3D_VIEW_FRONT);
+	RNA_boolean_set(kmi->ptr, "align_active", TRUE);
+	kmi= WM_keymap_add_item(keymap, "VIEW3D_OT_viewnumpad", NDOF_BUTTON_RIGHT, KM_PRESS, KM_SHIFT, 0);
+	RNA_enum_set(kmi->ptr, "type", RV3D_VIEW_RIGHT);
+	RNA_boolean_set(kmi->ptr, "align_active", TRUE);
+	kmi= WM_keymap_add_item(keymap, "VIEW3D_OT_viewnumpad", NDOF_BUTTON_TOP, KM_PRESS, KM_SHIFT, 0);
+	RNA_enum_set(kmi->ptr, "type", RV3D_VIEW_TOP);
+	RNA_boolean_set(kmi->ptr, "align_active", TRUE);
+
 	WM_keymap_add_item(keymap, "VIEW3D_OT_localview", PADSLASHKEY, KM_PRESS, 0, 0);
 	
 	/* layers, shift + alt are properties set in invoke() */
diff --git a/source/blender/editors/space_view3d/view3d_select.c b/source/blender/editors/space_view3d/view3d_select.c
index 13a7dc968cb..b65941c96e1 100644
--- a/source/blender/editors/space_view3d/view3d_select.c
+++ b/source/blender/editors/space_view3d/view3d_select.c
@@ -891,14 +891,14 @@ static unsigned int samplerect(unsigned int *buf, int size, unsigned int dontdo)
 {
 	Base *base;
 	unsigned int *bufmin,*bufmax;
-	int a,b,rc,tel,aantal,dirvec[4][2],maxob;
+	int a,b,rc,tel,len,dirvec[4][2],maxob;
 	unsigned int retval=0;
 	
 	base= LASTBASE;
 	if(base==0) return 0;
 	maxob= base->selcol;
 
-	aantal= (size-1)/2;
+	len= (size-1)/2;
 	rc= 0;
 
 	dirvec[0][0]= 1;
@@ -912,7 +912,7 @@ static unsigned int samplerect(unsigned int *buf, int size, unsigned int dontdo)
 
 	bufmin= buf;
 	bufmax= buf+ size*size;
-	buf+= aantal*size+ aantal;
+	buf+= len*size+ len;
 
 	for(tel=1;tel<=size;tel++) {
 
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c
index d9ae1aa594d..7bf287cddfb 100644
--- a/source/blender/editors/space_view3d/view3d_view.c
+++ b/source/blender/editors/space_view3d/view3d_view.c
@@ -1192,7 +1192,7 @@ int ED_view3d_lock(RegionView3D *rv3d)
 	return TRUE;
 }
 
-/* dont set windows active in in here, is used by renderwin too */
+/* dont set windows active in here, is used by renderwin too */
 void setviewmatrixview3d(Scene *scene, View3D *v3d, RegionView3D *rv3d)
 {
 	if(rv3d->persp==RV3D_CAMOB) {	    /* obs/camera */
diff --git a/source/blender/editors/transform/CMakeLists.txt b/source/blender/editors/transform/CMakeLists.txt
index 0917fb362ab..c4305ed6a9f 100644
--- a/source/blender/editors/transform/CMakeLists.txt
+++ b/source/blender/editors/transform/CMakeLists.txt
@@ -42,7 +42,6 @@ set(SRC
 	transform_generics.c
 	transform_input.c
 	transform_manipulator.c
-	transform_ndofinput.c
 	transform_ops.c
 	transform_orientations.c
 	transform_snap.c
diff --git a/source/blender/editors/transform/transform.c b/source/blender/editors/transform/transform.c
index ec002597922..31ea15925f0 100644
--- a/source/blender/editors/transform/transform.c
+++ b/source/blender/editors/transform/transform.c
@@ -1009,9 +1009,6 @@ int transformEvent(TransInfo *t, wmEvent *event)
 			else view_editmove(event->type);
 			t->redraw= 1;
 			break;
-//		case NDOFMOTION:
-//            viewmoveNDOF(1);
-  //         break;
 		default:
 			handled = 0;
 			break;
@@ -1020,43 +1017,6 @@ int transformEvent(TransInfo *t, wmEvent *event)
 		// Numerical input events
 		t->redraw |= handleNumInput(&(t->num), event);
 
-		// NDof input events
-		switch(handleNDofInput(&(t->ndof), event))
-		{
-			case NDOF_CONFIRM:
-				if ((t->options & CTX_NDOF) == 0)
-				{
-					/* Confirm on normal transform only */
-					t->state = TRANS_CONFIRM;
-				}
-				break;
-			case NDOF_CANCEL:
-				if (t->options & CTX_NDOF)
-				{
-					/* Cancel on pure NDOF transform */
-					t->state = TRANS_CANCEL;
-				}
-				else
-				{
-					/* Otherwise, just redraw, NDof input was cancelled */
-					t->redraw |= TREDRAW_HARD;
-				}
-				break;
-			case NDOF_NOMOVE:
-				if (t->options & CTX_NDOF)
-				{
-					/* Confirm on pure NDOF transform */
-					t->state = TRANS_CONFIRM;
-				}
-				break;
-			case NDOF_REFRESH:
-				t->redraw |= TREDRAW_HARD;
-				break;
-			default:
-				handled = 0;
-				break;
-		}
-
 		// Snapping events
 		t->redraw |= handleSnapping(t, event);
 
@@ -2889,10 +2849,6 @@ void initRotation(TransInfo *t)
 	setInputPostFct(&t->mouse, postInputRotation);
 	initMouseInputMode(t, &t->mouse, INPUT_ANGLE);
 	
-	t->ndof.axis = 16;
-	/* Scale down and flip input for rotation */
-	t->ndof.factor[0] = -0.2f;
-	
 	t->idx_max = 0;
 	t->num.idx_max = 0;
 	t->snap[0] = 0.0f;
@@ -3164,8 +3120,6 @@ int Rotation(TransInfo *t, const int UNUSED(mval[2]))
 
 	final = t->values[0];
 	
-	applyNDofInput(&t->ndof, &final);
-	
 	snapGrid(t, &final);
 	
 	if ((t->con.mode & CON_APPLY) && t->con.applyRot) {
@@ -3219,11 +3173,6 @@ void initTrackball(TransInfo *t)
 
 	initMouseInputMode(t, &t->mouse, INPUT_TRACKBALL);
 
-	t->ndof.axis = 40;
-	/* Scale down input for rotation */
-	t->ndof.factor[0] = 0.2f;
-	t->ndof.factor[1] = 0.2f;
-
 	t->idx_max = 1;
 	t->num.idx_max = 1;
 	t->snap[0] = 0.0f;
@@ -3279,8 +3228,6 @@ int Trackball(TransInfo *t, const int UNUSED(mval[2]))
 	phi[0] = t->values[0];
 	phi[1] = t->values[1];
 
-	applyNDofInput(&t->ndof, phi);
-
 	snapGrid(t, phi);
 
 	if (hasNumInput(&t->num)) {
@@ -3334,8 +3281,6 @@ void initTranslation(TransInfo *t)
 	t->num.flag = 0;
 	t->num.idx_max = t->idx_max;
 
-	t->ndof.axis = (t->flag & T_2D_EDIT)? 1|2: 1|2|4;
-
 	if(t->spacetype == SPACE_VIEW3D) {
 		RegionView3D *rv3d = t->ar->regiondata;
 
@@ -3510,7 +3455,6 @@ int Translation(TransInfo *t, const int UNUSED(mval[2]))
 		headerTranslation(t, pvec, str);
 	}
 	else {
-		applyNDofInput(&t->ndof, t->values);
 		snapGrid(t, t->values);
 		applyNumInput(&t->num, t->values);
 		if (hasNumInput(&t->num)) {
@@ -3619,10 +3563,6 @@ void initTilt(TransInfo *t)
 
 	initMouseInputMode(t, &t->mouse, INPUT_ANGLE);
 
-	t->ndof.axis = 16;
-	/* Scale down and flip input for rotation */
-	t->ndof.factor[0] = -0.2f;
-
 	t->idx_max = 0;
 	t->num.idx_max = 0;
 	t->snap[0] = 0.0f;
@@ -3646,8 +3586,6 @@ int Tilt(TransInfo *t, const int UNUSED(mval[2]))
 
 	final = t->values[0];
 
-	applyNDofInput(&t->ndof, &final);
-
 	snapGrid(t, &final);
 
 	if (hasNumInput(&t->num)) {
@@ -3762,10 +3700,6 @@ void initPushPull(TransInfo *t)
 
 	initMouseInputMode(t, &t->mouse, INPUT_VERTICAL_ABSOLUTE);
 
-	t->ndof.axis = 4;
-	/* Flip direction */
-	t->ndof.factor[0] = -1.0f;
-
 	t->idx_max = 0;
 	t->num.idx_max = 0;
 	t->snap[0] = 0.0f;
@@ -3786,8 +3720,6 @@ int PushPull(TransInfo *t, const int UNUSED(mval[2]))
 
 	distance = t->values[0];
 
-	applyNDofInput(&t->ndof, &distance);
-
 	snapGrid(t, &distance);
 
 	applyNumInput(&t->num, &distance);
@@ -4309,7 +4241,7 @@ static int createSlideVerts(TransInfo *t)
 	/* UV correction vars */
 	GHash **uvarray= NULL;
 	SlideData *sld = MEM_callocN(sizeof(*sld), "sld");
-	int  uvlay_tot= CustomData_number_of_layers(&em->fdata, CD_MTFACE);
+	const int  uvlay_tot=  (t->settings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT) ? CustomData_number_of_layers(&em->fdata, CD_MTFACE) : 0;
 	int uvlay_idx;
 	TransDataSlideUv *slideuvs=NULL, *suv=NULL, *suv_last=NULL;
 	RegionView3D *v3d = t->ar ? t->ar->regiondata : NULL; /* background mode support */
@@ -4662,7 +4594,7 @@ static int createSlideVerts(TransInfo *t)
 #define EDGE_SLIDE_MIN 30
 	if (len_squared_v2v2(start, end) < (EDGE_SLIDE_MIN * EDGE_SLIDE_MIN)) {
 		if(ABS(start[0]-end[0]) + ABS(start[1]-end[1]) < 4.0f) {
-			/* even more exceptional case, points are ontop of eachother */
+			/* even more exceptional case, points are ontop of each other */
 			end[0]= start[0];
 			end[1]= start[1] + EDGE_SLIDE_MIN;
 		}
@@ -4681,7 +4613,7 @@ static int createSlideVerts(TransInfo *t)
 	sld->end[0] = (int) end[0];
 	sld->end[1] = (int) end[1];
 	
-	if (uvlay_tot) { // XXX && (scene->toolsettings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT)) {
+	if (uvlay_tot) {
 		int maxnum = 0;
 
 		uvarray = MEM_callocN( uvlay_tot * sizeof(GHash *), "SlideUVs Array");
@@ -4871,8 +4803,6 @@ void initEdgeSlide(TransInfo *t)
 
 int doEdgeSlide(TransInfo *t, float perc)
 {
-	Mesh *me= t->obedit->data;
-	EditMesh *em = me->edit_mesh;
 	SlideData *sld = t->customData;
 	EditVert *ev, *nearest = sld->nearest;
 	EditVert *centerVert, *upVert, *downVert;
@@ -4883,7 +4813,7 @@ int doEdgeSlide(TransInfo *t, float perc)
 	int prop=1, flip=0;
 	/* UV correction vars */
 	GHash **uvarray= sld->uvhash;
-	int  uvlay_tot= CustomData_number_of_layers(&em->fdata, CD_MTFACE);
+	const int  uvlay_tot= sld->uvlay_tot;
 	int uvlay_idx;
 	TransDataSlideUv *suv;
 	float uv_tmp[2];
@@ -4909,7 +4839,7 @@ int doEdgeSlide(TransInfo *t, float perc)
 			tempev = editedge_getOtherVert((perc>=0)?tempsv->up:tempsv->down, ev);
 			interp_v3_v3v3(ev->co, tempsv->origvert.co, tempev->co, fabs(perc));
 
-			if (uvlay_tot) { // XXX scene->toolsettings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT) {
+			if (uvlay_tot) {
 				for (uvlay_idx=0; uvlay_idx<uvlay_tot; uvlay_idx++) {
 					suv = BLI_ghash_lookup( uvarray[uvlay_idx], ev );
 					if (suv && suv->fuv_list && suv->uv_up && suv->uv_down) {
@@ -4939,7 +4869,7 @@ int doEdgeSlide(TransInfo *t, float perc)
 			if(newlen < 0.0f) {newlen = 0.0;}
 			if(flip == 0) {
 				interp_v3_v3v3(ev->co, editedge_getOtherVert(tempsv->down,ev)->co, editedge_getOtherVert(tempsv->up,ev)->co, fabs(newlen));
-				if (uvlay_tot) { // XXX scene->toolsettings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT) {
+				if (uvlay_tot) {
 					/* dont do anything if no UVs */
 					for (uvlay_idx=0; uvlay_idx<uvlay_tot; uvlay_idx++) {
 						suv = BLI_ghash_lookup( uvarray[uvlay_idx], ev );
@@ -4956,7 +4886,7 @@ int doEdgeSlide(TransInfo *t, float perc)
 			} else{
 				interp_v3_v3v3(ev->co, editedge_getOtherVert(tempsv->up,ev)->co, editedge_getOtherVert(tempsv->down,ev)->co, fabs(newlen));
 
-				if (uvlay_tot) { // XXX scene->toolsettings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT) {
+				if (uvlay_tot) {
 					/* dont do anything if no UVs */
 					for (uvlay_idx=0; uvlay_idx<uvlay_tot; uvlay_idx++) {
 						suv = BLI_ghash_lookup( uvarray[uvlay_idx], ev );
@@ -5312,8 +5242,6 @@ void initSeqSlide(TransInfo *t)
 	t->num.flag = 0;
 	t->num.idx_max = t->idx_max;
 
-	t->ndof.axis = 1|2;
-
 	t->snap[0] = 0.0f;
 	t->snap[1] = floor(t->scene->r.frs_sec / t->scene->r.frs_sec_base);
 	t->snap[2] = 10.0f;
@@ -5368,7 +5296,6 @@ int SeqSlide(TransInfo *t, const int UNUSED(mval[2]))
 		VECCOPY(t->values, tvec);
 	}
 	else {
-		applyNDofInput(&t->ndof, t->values);
 		snapGrid(t, t->values);
 		applyNumInput(&t->num, t->values);
 	}
@@ -5928,54 +5855,3 @@ void BIF_TransformSetUndo(char *UNUSED(str))
 	// TRANSFORM_FIX_ME
 	//Trans.undostr= str;
 }
-
-
-#if 0 // TRANSFORM_FIX_ME
-static void NDofTransform(void)
-{
-	float fval[7];
-	float maxval = 50.0f; // also serves as threshold
-	int axis = -1;
-	int mode = 0;
-	int i;
-
-	getndof(fval);
-
-	for(i = 0; i < 6; i++)
-	{
-		float val = fabs(fval[i]);
-		if (val > maxval)
-		{
-			axis = i;
-			maxval = val;
-		}
-	}
-
-	switch(axis)
-	{
-		case -1:
-			/* No proper axis found */
-			break;
-		case 0:
-		case 1:
-		case 2:
-			mode = TFM_TRANSLATION;
-			break;
-		case 4:
-			mode = TFM_ROTATION;
-			break;
-		case 3:
-		case 5:
-			mode = TFM_TRACKBALL;
-			break;
-		default:
-			printf("ndof: what we are doing here ?");
-	}
-
-	if (mode != 0)
-	{
-		initTransform(mode, CTX_NDOF);
-		Transform();
-	}
-}
-#endif
diff --git a/source/blender/editors/transform/transform.h b/source/blender/editors/transform/transform.h
index d8e42488787..485344875d4 100644
--- a/source/blender/editors/transform/transform.h
+++ b/source/blender/editors/transform/transform.h
@@ -67,14 +67,6 @@ struct wmTimer;
 struct ARegion;
 struct ReportList;
 
-typedef struct NDofInput {
-	int		flag;
-	int		axis;
-	float	fval[7];
-	float	factor[3];
-} NDofInput;
-
-
 /*
 	The ctrl value has different meaning:
 		0			: No value has been typed
@@ -273,7 +265,6 @@ typedef struct TransInfo {
 	TransCon    con;            /* transformed constraint               */
 	TransSnap	tsnap;
 	NumInput    num;            /* numerical input                      */
-	NDofInput   ndof;           /* ndof input                           */
 	MouseInput	mouse;			/* mouse input                          */
 	char        redraw;         /* redraw flag                          */
 	float		prop_size;		/* proportional circle radius           */
@@ -340,9 +331,6 @@ typedef struct TransInfo {
 
 /* ******************** Macros & Prototypes *********************** */
 
-/* NDOFINPUT FLAGS */
-#define NDOF_INIT			1
-
 /* transinfo->state */
 #define TRANS_STARTING  0
 #define TRANS_RUNNING	1
@@ -683,20 +671,6 @@ void calculatePropRatio(TransInfo *t);
 
 void getViewVector(TransInfo *t, float coord[3], float vec[3]);
 
-/*********************** NDofInput ********************************/
-
-void initNDofInput(NDofInput *n);
-int hasNDofInput(NDofInput *n);
-void applyNDofInput(NDofInput *n, float *vec);
-int handleNDofInput(NDofInput *n, struct wmEvent *event);
-
-/* handleNDofInput return values */
-#define NDOF_REFRESH	1
-#define NDOF_NOMOVE		2
-#define NDOF_CONFIRM	3
-#define NDOF_CANCEL		4
-
-
 /*********************** Transform Orientations ******************************/
 
 void initTransformOrientation(struct bContext *C, TransInfo *t);
diff --git a/source/blender/editors/transform/transform_generics.c b/source/blender/editors/transform/transform_generics.c
index 6d0a978700f..306796efee9 100644
--- a/source/blender/editors/transform/transform_generics.c
+++ b/source/blender/editors/transform/transform_generics.c
@@ -887,6 +887,7 @@ void resetTransRestrictions(TransInfo *t)
 	t->flag &= ~T_ALL_RESTRICTIONS;
 }
 
+/* the *op can be NULL */
 int initTransInfo (bContext *C, TransInfo *t, wmOperator *op, wmEvent *event)
 {
 	Scene *sce = CTX_data_scene(C);
@@ -1013,6 +1014,22 @@ int initTransInfo (bContext *C, TransInfo *t, wmOperator *op, wmEvent *event)
 				t->options |= CTX_NO_PET;
 			}
 		}
+
+		/* initialize UV transform from */
+		if (op && RNA_struct_find_property(op->ptr, "correct_uv")) {
+			if(RNA_property_is_set(op->ptr, "correct_uv")) {
+				if(RNA_boolean_get(op->ptr, "correct_uv")) {
+					t->settings->uvcalc_flag |= UVCALC_TRANSFORM_CORRECT;
+				}
+				else {
+					t->settings->uvcalc_flag &= ~UVCALC_TRANSFORM_CORRECT;
+				}
+			}
+			else {
+				RNA_boolean_set(op->ptr, "correct_uv", t->settings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT);
+			}
+		}
+
 	}
 	else if(t->spacetype==SPACE_IMAGE)
 	{
@@ -1148,7 +1165,6 @@ int initTransInfo (bContext *C, TransInfo *t, wmOperator *op, wmEvent *event)
 	
 	setTransformViewMatrices(t);
 	initNumInput(&t->num);
-	initNDofInput(&t->ndof);
 	
 	return 1;
 }
diff --git a/source/blender/editors/transform/transform_ndofinput.c b/source/blender/editors/transform/transform_ndofinput.c
deleted file mode 100644
index c5946163770..00000000000
--- a/source/blender/editors/transform/transform_ndofinput.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * $Id$
- *
- * ***** BEGIN GPL LICENSE BLOCK *****
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is: all of this file.
- *
- * Contributor(s): Martin Poirier
- *
- * ***** END GPL LICENSE BLOCK *****
- */
-
-/** \file blender/editors/transform/transform_ndofinput.c
- *  \ingroup edtransform
- */
-
- 
- #include <math.h>			/* fabs */
-#include <stdio.h>			/* for sprintf		*/
-
-#include "BLI_utildefines.h"
-
-#include "BKE_global.h"		/* for G			*/
-	/* ABS */
-
-#include "WM_types.h"
-
-#include "transform.h"
-
-#if 0
-static int updateNDofMotion(NDofInput *n); // return 0 when motion is null
-#endif
-static void resetNDofInput(NDofInput *n);
-
-void initNDofInput(NDofInput *n)
-{
-	int i;
-
-	n->flag = 0;
-	n->axis = 0;
-	
-	resetNDofInput(n);
-	
-	for(i = 0; i < 3; i++)
-	{
-		n->factor[i] = 1.0f;
-	}
-}
-
-static void resetNDofInput(NDofInput *n)
-{	
-	int i;
-	for(i = 0; i < 6; i++)
-	{
-		n->fval[i] = 0.0f;
-	}
-}
-
- 
-int handleNDofInput(NDofInput *UNUSED(n), wmEvent *UNUSED(event))
-{
-	int retval = 0;
-	// TRANSFORM_FIX_ME
-#if 0
-	switch(event)
-	{
-		case NDOFMOTION:
-			if (updateNDofMotion(n) == 0)
-			{
-				retval = NDOF_NOMOVE;
-			}
-			else
-			{
-				retval = NDOF_REFRESH;
-			}
-			break;
-		case NDOFBUTTON:
-			if (val == 1) 
-			{
-				retval = NDOF_CONFIRM;
-			}
-			else if (val == 2) 
-			{
-				retval = NDOF_CANCEL;
-				resetNDofInput(n);
-				n->flag &= ~NDOF_INIT;
-			}
-			break;
-	}
-#endif 	
-	return retval;
-}
-
-int hasNDofInput(NDofInput *n)
-{
-	return (n->flag & NDOF_INIT) == NDOF_INIT;
-}
-
-void applyNDofInput(NDofInput *n, float *vec)
-{
-	if (hasNDofInput(n))
-	{
-		int i, j;
-		
-		for (i = 0, j = 0; i < 6; i++)
-		{
-			if (n->axis & (1 << i))
-			{
-				vec[j] = n->fval[i] * n->factor[j];
-				j++;
-			}
-		}
-	}
-}
-
-// TRANSFORM_FIX_ME
-#if 0
-
-static int updateNDofMotion(NDofInput *n)
-{
-	float fval[7];
-	int i;
-	int retval = 0;
-
-	getndof(fval);
-
-	if (G.vd->ndoffilter)
-		filterNDOFvalues(fval);
-
-	for(i = 0; i < 6; i++)
-	{
-		if (!retval && fval[i] != 0.0f)
-		{
-			retval = 1;
-		}
-		
-		n->fval[i] += fval[i] / 1024.0f;
-	}
-	
-	n->flag |= NDOF_INIT;
-	
-	return retval;
-}
-#endif
-
-
-
-
diff --git a/source/blender/editors/transform/transform_ops.c b/source/blender/editors/transform/transform_ops.c
index f61cc51de98..23cd83dc6b9 100644
--- a/source/blender/editors/transform/transform_ops.c
+++ b/source/blender/editors/transform/transform_ops.c
@@ -362,6 +362,15 @@ static int transform_modal(bContext *C, wmOperator *op, wmEvent *event)
 
 	TransInfo *t = op->customdata;
 
+#if 0
+	// stable 2D mouse coords map to different 3D coords while the 3D mouse is active
+	// in other words, 2D deltas are no longer good enough!
+	// disable until individual 'transformers' behave better
+
+	if (event->type == NDOF_MOTION)
+		return OPERATOR_PASS_THROUGH;
+#endif
+
 	/* XXX insert keys are called here, and require context */
 	t->context= C;
 	exit_code = transformEvent(t, event);
@@ -498,6 +507,11 @@ void Transform_Properties(struct wmOperatorType *ot, int flags)
 		RNA_def_boolean(ot->srna, "texture_space", 0, _("Edit Object data texture space"), "");
 	}
 
+	if (flags & P_CORRECT_UV)
+	{
+		RNA_def_boolean(ot->srna, "correct_uv", 0, "Correct UV coords when transforming", "");
+	}
+
 	// Add confirm method all the time. At the end because it's not really that important and should be hidden only in log, not in keymap edit
 	/*prop =*/ RNA_def_boolean(ot->srna, "release_confirm", 0, _("Confirm on Release"), _("Always confirm operation when releasing button"));
 	//RNA_def_property_flag(prop, PROP_HIDDEN);
@@ -745,7 +759,7 @@ void TRANSFORM_OT_edge_slide(struct wmOperatorType *ot)
 
 	RNA_def_float_factor(ot->srna, "value", 0, -1.0f, 1.0f, _("Factor"), "", -1.0f, 1.0f);
 
-	Transform_Properties(ot, P_MIRROR|P_SNAP);
+	Transform_Properties(ot, P_MIRROR|P_SNAP|P_CORRECT_UV);
 }
 
 void TRANSFORM_OT_edge_crease(struct wmOperatorType *ot)
diff --git a/source/blender/gpu/intern/gpu_material.c b/source/blender/gpu/intern/gpu_material.c
index 806c70d841f..274884000db 100644
--- a/source/blender/gpu/intern/gpu_material.c
+++ b/source/blender/gpu/intern/gpu_material.c
@@ -1371,9 +1371,6 @@ void GPU_shaderesult_set(GPUShadeInput *shi, GPUShadeResult *shr)
 		mat->obcolalpha = 1;
 		GPU_link(mat, "shade_alpha_obcolor", shr->combined, GPU_builtin(GPU_OBCOLOR), &shr->combined);
 	}
-
-	if(gpu_do_color_management(mat))
-		GPU_link(mat, "linearrgb_to_srgb", shr->combined, &shr->combined);
 }
 
 static GPUNodeLink *GPU_blender_material(GPUMaterial *mat, Material *ma)
@@ -1408,6 +1405,10 @@ GPUMaterial *GPU_material_from_blender(Scene *scene, Material *ma)
 		GPU_material_output_link(mat, outlink);
 	}
 
+	if(gpu_do_color_management(mat))
+		if(mat->outlink)
+			GPU_link(mat, "linearrgb_to_srgb", mat->outlink, &mat->outlink);
+
 	/*if(!GPU_material_construct_end(mat)) {
 		GPU_material_free(mat);
 		mat= NULL;
diff --git a/source/blender/makesdna/DNA_space_types.h b/source/blender/makesdna/DNA_space_types.h
index ff9f2269f53..1549bd71748 100644
--- a/source/blender/makesdna/DNA_space_types.h
+++ b/source/blender/makesdna/DNA_space_types.h
@@ -703,7 +703,7 @@ enum FileSortTypeE {
 #define FILE_HIDE_DOT		(1<<3)
 #define FILE_AUTOSELECT		(1<<4)
 #define FILE_ACTIVELAY		(1<<5)
-#define FILE_ATCURSOR		(1<<6)
+/* #define FILE_ATCURSOR	(1<<6) */ /* deprecated */
 #define FILE_DIRSEL_ONLY	(1<<7)
 #define FILE_FILTER			(1<<8)
 #define FILE_BOOKMARKS		(1<<9)
diff --git a/source/blender/makesdna/DNA_userdef_types.h b/source/blender/makesdna/DNA_userdef_types.h
index ae57cf3f80b..556f554eb98 100644
--- a/source/blender/makesdna/DNA_userdef_types.h
+++ b/source/blender/makesdna/DNA_userdef_types.h
@@ -220,7 +220,7 @@ typedef struct ThemeSpace {
 	char console_cursor[4];
 	
 	char vertex_size, outline_width, facedot_size;
-	char bpad;
+	char noodle_curving;
 
 	char syntaxl[4], syntaxn[4], syntaxb[4]; // syntax for textwindow and nodes
 	char syntaxv[4], syntaxc[4];
@@ -341,7 +341,8 @@ typedef struct UserDef {
 	struct ListBase themes;
 	struct ListBase uifonts;
 	struct ListBase uistyles;
-	struct ListBase keymaps;
+	struct ListBase keymaps;		/* deprecated in favor of user_keymaps */
+	struct ListBase user_keymaps;
 	struct ListBase addons;
 	char keyconfigstr[64];
 	
@@ -365,7 +366,6 @@ typedef struct UserDef {
 	short recent_files;		/* maximum number of recently used files to remember  */
 	short smooth_viewtx;	/* miliseconds to spend spinning the view */
 	short glreslimit;
-	short ndof_pan, ndof_rotate;
 	short curssize;
 	short color_picker_type;
 	short ipo_new;			/* interpolation mode for newly added F-Curves */
@@ -376,6 +376,10 @@ typedef struct UserDef {
 	
 	short widget_unit;		/* defaults to 20 for 72 DPI setting */
 	short anisotropic_filter;
+	/*short pad[3];			*/
+
+	float ndof_sensitivity;	/* overall sensitivity of 3D mouse */
+	int ndof_flag;			/* flags for 3D mouse */
 
 	char versemaster[160];
 	char verseuser[160];
@@ -384,7 +388,7 @@ typedef struct UserDef {
 	short autokey_mode;		/* autokeying mode */
 	short autokey_flag;		/* flags for autokeying */
 	
-	short text_render, pad9;		/*options for text rendering*/
+	short text_render, pad9[3];		/*options for text rendering*/
 
 	struct ColorBand coba_weight;	/* from texture.h */
 
@@ -577,6 +581,31 @@ extern UserDef U; /* from blenkernel blender.c */
 #define TH_OLDSKOOL 	3
 #define TH_SHADED   	4
 
+/* ndof_flag (3D mouse options) */
+#define NDOF_SHOW_GUIDE     (1 << 0)
+#define NDOF_FLY_HELICOPTER (1 << 1)
+#define NDOF_LOCK_HORIZON   (1 << 2)
+/* the following might not need to be saved between sessions,
+   but they do need to live somewhere accessible... */
+#define NDOF_SHOULD_PAN     (1 << 3)
+#define NDOF_SHOULD_ZOOM    (1 << 4)
+#define NDOF_SHOULD_ROTATE  (1 << 5)
+/* orbit navigation modes
+   only two options, so it's sort of a hyrbrid bool/enum
+   if ((U.ndof_flag & NDOF_ORBIT_MODE) == NDOF_OM_OBJECT)... */
+/*
+#define NDOF_ORBIT_MODE     (1 << 6)
+#define NDOF_OM_TARGETCAMERA 0
+#define NDOF_OM_OBJECT      NDOF_ORBIT_MODE
+*/
+/* actually... users probably don't care about what the mode
+   is called, just that it feels right */
+#define NDOF_ORBIT_INVERT_AXES (1 << 6)
+/* zoom is up/down if this flag is set (otherwise forward/backward) */
+#define NDOF_ZOOM_UPDOWN (1 << 7)
+#define NDOF_ZOOM_INVERT (1 << 8)
+
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/source/blender/makesdna/DNA_view3d_types.h b/source/blender/makesdna/DNA_view3d_types.h
index 7379493003d..89b8bad2806 100644
--- a/source/blender/makesdna/DNA_view3d_types.h
+++ b/source/blender/makesdna/DNA_view3d_types.h
@@ -130,7 +130,11 @@ typedef struct RegionView3D {
 	
 	float twangle[3];
 
-	float padf;
+	/* active rotation from NDOF or elsewhere */
+	float rot_angle;
+	float rot_axis[3];
+	
+	char pad2[4];
 
 } RegionView3D;
 
@@ -190,11 +194,10 @@ typedef struct View3D {
 	/* drawflags, denoting state */
 	short zbuf, transp, xray;
 
-	char ndofmode;			/* mode of transform for 6DOF devices -1 not found, 0 normal, 1 fly, 2 ob transform */
-	char ndoffilter;		/* filter for 6DOF devices 0 normal, 1 dominant */
-	
+	char pad3[2];
+
 	void *properties_storage;	/* Nkey panel stores stuff here (runtime only!) */
-	
+
 	/* XXX depricated? */
 	struct bGPdata *gpd;		/* Grease-Pencil Data (annotation layers) */
 
diff --git a/source/blender/makesdna/DNA_windowmanager_types.h b/source/blender/makesdna/DNA_windowmanager_types.h
index 31e59f18626..1f0ae28a00d 100644
--- a/source/blender/makesdna/DNA_windowmanager_types.h
+++ b/source/blender/makesdna/DNA_windowmanager_types.h
@@ -144,7 +144,9 @@ typedef struct wmWindowManager {
 	ListBase drags;			/* active dragged items */
 	
 	ListBase keyconfigs;				/* known key configurations */
-	struct wmKeyConfig *defaultconf;	/* default configuration, not saved */
+	struct wmKeyConfig *defaultconf;	/* default configuration */
+	struct wmKeyConfig *addonconf;		/* addon configuration */
+	struct wmKeyConfig *userconf;		/* user configuration */
 
 	ListBase timers;					/* active timers */
 	struct wmTimer *autosavetimer;		/* timer for auto save */
@@ -239,15 +241,26 @@ typedef struct wmKeyMapItem {
 	struct PointerRNA *ptr;			/* rna pointer to access properties */
 } wmKeyMapItem;
 
+/* used instead of wmKeyMapItem for diff keymaps */
+typedef struct wmKeyMapDiffItem {
+	struct wmKeyMapDiffItem *next, *prev;
+
+	wmKeyMapItem *remove_item;
+	wmKeyMapItem *add_item;
+} wmKeyMapDiffItem;
+
 /* wmKeyMapItem.flag */
-#define KMI_INACTIVE	1
-#define KMI_EXPANDED	2
+#define KMI_INACTIVE		1
+#define KMI_EXPANDED		2
+#define KMI_USER_MODIFIED	4
+#define KMI_UPDATE			8
 
 /* stored in WM, the actively used keymaps */
 typedef struct wmKeyMap {
 	struct wmKeyMap *next, *prev;
 	
 	ListBase items;
+	ListBase diff_items;
 	
 	char idname[64];	/* global editor keymaps, or for more per space/region */
 	short spaceid;		/* same IDs as in DNA_space_types.h */
@@ -263,9 +276,12 @@ typedef struct wmKeyMap {
 
 /* wmKeyMap.flag */
 #define KEYMAP_MODAL				1	/* modal map, not using operatornames */
-#define KEYMAP_USER					2	/* user created keymap */
+#define KEYMAP_USER					2	/* user keymap */
 #define KEYMAP_EXPANDED				4
 #define KEYMAP_CHILDREN_EXPANDED	8
+#define KEYMAP_DIFF					16	/* diff keymap for user preferences */
+#define KEYMAP_USER_MODIFIED		32	/* keymap has user modifications */
+#define KEYMAP_UPDATE				64
 
 typedef struct wmKeyConfig {
 	struct wmKeyConfig *next, *prev;
diff --git a/source/blender/makesrna/RNA_access.h b/source/blender/makesrna/RNA_access.h
index e5d5a7c5ea8..d7fd74d56eb 100644
--- a/source/blender/makesrna/RNA_access.h
+++ b/source/blender/makesrna/RNA_access.h
@@ -398,6 +398,7 @@ extern StructRNA RNA_Scene;
 extern StructRNA RNA_SceneGameData;
 extern StructRNA RNA_SceneRenderLayer;
 extern StructRNA RNA_SceneSequence;
+extern StructRNA RNA_SceneObjects;
 extern StructRNA RNA_Scopes;
 extern StructRNA RNA_Screen;
 extern StructRNA RNA_ScrewModifier;
diff --git a/source/blender/makesrna/intern/CMakeLists.txt b/source/blender/makesrna/intern/CMakeLists.txt
index 0f243cd6081..ea38b111a0b 100644
--- a/source/blender/makesrna/intern/CMakeLists.txt
+++ b/source/blender/makesrna/intern/CMakeLists.txt
@@ -251,7 +251,7 @@ blender_include_dirs_sys(
 
 add_executable(makesrna ${SRC} ${SRC_RNA_INC} ${SRC_DNA_INC})
 if (WITH_INTERNATIONAL) 
-	target_link_libraries(makesrna bf_dna ${GETTEXT_LIB} ${PLATFORM_LINKFLAGS})
+	target_link_libraries(makesrna bf_dna ${GETTEXT_LIB})
 else()
 	target_link_libraries(makesrna bf_dna)
 endif()
diff --git a/source/blender/makesrna/intern/rna_ID.c b/source/blender/makesrna/intern/rna_ID.c
index 7bda9d07ae1..f6a7d299025 100644
--- a/source/blender/makesrna/intern/rna_ID.c
+++ b/source/blender/makesrna/intern/rna_ID.c
@@ -37,6 +37,7 @@
 
 #include "DNA_ID.h"
 #include "DNA_vfont_types.h"
+#include "DNA_material_types.h"
 #include "DNA_object_types.h"
 
 #include "WM_types.h"
@@ -418,8 +419,9 @@ static void rna_def_ID_materials(BlenderRNA *brna)
 	
 	func= RNA_def_function(srna, "pop", "material_pop_id");
 	RNA_def_function_ui_description(func, "Remove a material from the data block.");
-	parm= RNA_def_int(func, "index", 0, 0, INT_MAX, "", "Index of material to remove.", 0, INT_MAX);
+	parm= RNA_def_int(func, "index", 0, 0, MAXMAT, "", "Index of material to remove.", 0, MAXMAT);
 	RNA_def_property_flag(parm, PROP_REQUIRED);
+	RNA_def_boolean(func, "update_data", 0, "", "Update data by re-adjusting the material slots assigned.");
 	parm= RNA_def_pointer(func, "material", "Material", "", "Material to remove.");
 	RNA_def_function_return(func, parm);
 }
diff --git a/source/blender/makesrna/intern/rna_access.c b/source/blender/makesrna/intern/rna_access.c
index b6f38332a3b..6c0b996a14e 100644
--- a/source/blender/makesrna/intern/rna_access.c
+++ b/source/blender/makesrna/intern/rna_access.c
@@ -1445,13 +1445,13 @@ static void rna_property_update(bContext *C, Main *bmain, Scene *scene, PointerR
 		if(prop->noteflag)
 			WM_main_add_notifier(prop->noteflag, ptr->id.data);
 	}
-	else {
+	
+	if(!is_rna || (prop->flag & PROP_IDPROPERTY)) {
 		/* WARNING! This is so property drivers update the display!
 		 * not especially nice  */
 		DAG_id_tag_update(ptr->id.data, OB_RECALC_OB|OB_RECALC_DATA|OB_RECALC_TIME);
 		WM_main_add_notifier(NC_WINDOW, NULL);
 	}
-
 }
 
 /* must keep in sync with 'rna_property_update'
@@ -4088,10 +4088,13 @@ void RNA_string_get(PointerRNA *ptr, const char *name, char *value)
 {
 	PropertyRNA *prop= RNA_struct_find_property(ptr, name);
 
-	if(prop)
+	if(prop) {
 		RNA_property_string_get(ptr, prop, value);
-	else
+	}
+	else {
 		printf("RNA_string_get: %s.%s not found.\n", ptr->type->identifier, name);
+		value[0]= '\0';
+	}
 }
 
 char *RNA_string_get_alloc(PointerRNA *ptr, const char *name, char *fixedbuf, int fixedlen)
diff --git a/source/blender/makesrna/intern/rna_action.c b/source/blender/makesrna/intern/rna_action.c
index 10774a028e2..e958908db49 100644
--- a/source/blender/makesrna/intern/rna_action.c
+++ b/source/blender/makesrna/intern/rna_action.c
@@ -193,8 +193,9 @@ static void rna_Action_active_pose_marker_index_range(PointerRNA *ptr, int *min,
 
 
 static void rna_Action_frame_range_get(PointerRNA *ptr,float *values)
-{
-	calc_action_range(ptr->id.data, values, values+1, 1);
+{	/* don't include modifiers because they too easily can have very large
+	 * ranges: MINAFRAMEF to MAXFRAMEF. */
+	calc_action_range(ptr->id.data, values, values+1, FALSE);
 }
 
 
diff --git a/source/blender/makesrna/intern/rna_curve.c b/source/blender/makesrna/intern/rna_curve.c
index a797b9e4cea..a40caf87a7f 100644
--- a/source/blender/makesrna/intern/rna_curve.c
+++ b/source/blender/makesrna/intern/rna_curve.c
@@ -653,7 +653,7 @@ static char *rna_TextBox_path(PointerRNA *ptr)
 	int index= (int)(tb - cu->tb);
 
 	if (index >= 0 && index < cu->totbox)
-		return BLI_sprintfN("textboxes[%d]", index);
+		return BLI_sprintfN("text_boxes[%d]", index);
 	else
 		return BLI_strdup("");
 }
diff --git a/source/blender/makesrna/intern/rna_internal.h b/source/blender/makesrna/intern/rna_internal.h
index 9175806e2bb..c0ae7b02b1a 100644
--- a/source/blender/makesrna/intern/rna_internal.h
+++ b/source/blender/makesrna/intern/rna_internal.h
@@ -238,9 +238,12 @@ void RNA_api_image(struct StructRNA *srna);
 void RNA_api_operator(struct StructRNA *srna);
 void RNA_api_macro(struct StructRNA *srna);
 void RNA_api_keyconfig(struct StructRNA *srna);
+void RNA_api_keyconfigs(struct StructRNA *srna);
 void RNA_api_keyingset(struct StructRNA *srna);
 void RNA_api_keymap(struct StructRNA *srna);
+void RNA_api_keymaps(struct StructRNA *srna);
 void RNA_api_keymapitem(struct StructRNA *srna);
+void RNA_api_keymapitems(struct StructRNA *srna);
 void RNA_api_area(struct StructRNA *srna);
 void RNA_api_main(struct StructRNA *srna);
 void RNA_api_material(StructRNA *srna);
diff --git a/source/blender/makesrna/intern/rna_object_api.c b/source/blender/makesrna/intern/rna_object_api.c
index 21fa28af01a..d48f1c93da8 100644
--- a/source/blender/makesrna/intern/rna_object_api.c
+++ b/source/blender/makesrna/intern/rna_object_api.c
@@ -45,9 +45,9 @@
 
 // #include "ED_mesh.h"
 
-#include "BLI_math.h"
 
 #ifdef RNA_RUNTIME
+#include "BLI_math.h"
 
 #include "BKE_main.h"
 #include "BKE_global.h"
@@ -544,7 +544,8 @@ void RNA_api_object(StructRNA *srna)
 	/* location of point for test and max distance */
 	parm= RNA_def_float_vector(func, "point", 3, NULL, -FLT_MAX, FLT_MAX, "", "", -1e4, 1e4);
 	RNA_def_property_flag(parm, PROP_REQUIRED);
-	RNA_def_float(func, "max_dist", sqrt(FLT_MAX), 0.0, FLT_MAX, "", "", 0.0, FLT_MAX);
+	/* default is sqrt(FLT_MAX) */
+	RNA_def_float(func, "max_dist", 1.844674352395373e+19, 0.0, FLT_MAX, "", "", 0.0, FLT_MAX);
 
 	/* return location and normal */
 	parm= RNA_def_float_vector(func, "location", 3, NULL, -FLT_MAX, FLT_MAX, "Location", "The location on the object closest to the point", -1e4, 1e4);
diff --git a/source/blender/makesrna/intern/rna_scene.c b/source/blender/makesrna/intern/rna_scene.c
index 7508b84a0d0..4776c84689b 100644
--- a/source/blender/makesrna/intern/rna_scene.c
+++ b/source/blender/makesrna/intern/rna_scene.c
@@ -1410,7 +1410,7 @@ void rna_def_render_layer_common(StructRNA *srna, int scene)
 	prop= RNA_def_property(srna, "layers_zmask", PROP_BOOLEAN, PROP_LAYER);
 	RNA_def_property_boolean_sdna(prop, NULL, "lay_zmask", 1);
 	RNA_def_property_array(prop, 20);
-	RNA_def_property_ui_text(prop, "Zmask Layers", "Zmask scene layers");
+	RNA_def_property_ui_text(prop, "Zmask Layers", "Zmask scene layers for solid faces");
 	if(scene) RNA_def_property_update(prop, NC_SCENE|ND_RENDER_OPTIONS, NULL);
 	else RNA_def_property_clear_flag(prop, PROP_EDITABLE);
 
@@ -3252,7 +3252,7 @@ void RNA_def_scene(BlenderRNA *brna)
 	RNA_def_property_int_sdna(prop, NULL, "r.cfra");
 	RNA_def_property_range(prop, MINAFRAME, MAXFRAME);
 	RNA_def_property_int_funcs(prop, NULL, "rna_Scene_current_frame_set", NULL);
-	RNA_def_property_ui_text(prop, N_("Current Frame"), N_("Current Frame"));
+	RNA_def_property_ui_text(prop, N_("Current Frame"), N_("Current Frame, to update animation data from python frame_set() instead"));
 	RNA_def_property_flag(prop, PROP_CONTEXT_UPDATE);
 	RNA_def_property_update(prop, NC_SCENE|ND_FRAME, "rna_Scene_frame_update");
 	
diff --git a/source/blender/makesrna/intern/rna_userdef.c b/source/blender/makesrna/intern/rna_userdef.c
index 3e2feec71d9..e12caba5bb8 100644
--- a/source/blender/makesrna/intern/rna_userdef.c
+++ b/source/blender/makesrna/intern/rna_userdef.c
@@ -1352,6 +1352,13 @@ static void rna_def_userdef_theme_space_node(BlenderRNA *brna)
 	RNA_def_property_array(prop, 3);
 	RNA_def_property_ui_text(prop, "Group Node", "");
 	RNA_def_property_update(prop, 0, "rna_userdef_update");
+
+	prop= RNA_def_property(srna, "noodle_curving", PROP_INT, PROP_NONE);
+	RNA_def_property_int_sdna(prop, NULL, "noodle_curving");
+	RNA_def_property_int_default(prop, 5);
+	RNA_def_property_range(prop, 0, 10);
+	RNA_def_property_ui_text(prop, "Noodle curving", "Curving of the noodle");
+	RNA_def_property_update(prop, 0, "rna_userdef_update");
 }
 
 static void rna_def_userdef_theme_space_logic(BlenderRNA *brna)
@@ -2742,17 +2749,43 @@ static void rna_def_userdef_input(BlenderRNA *brna)
 	RNA_def_property_int_sdna(prop, NULL, "dragthreshold");
 	RNA_def_property_range(prop, 3, 40);
 	RNA_def_property_ui_text(prop, N_("Drag Threshold"), N_("Amount of pixels you have to drag before dragging UI items happens"));
-	
-	prop= RNA_def_property(srna, "ndof_pan_speed", PROP_INT, PROP_NONE);
-	RNA_def_property_int_sdna(prop, NULL, "ndof_pan");
-	RNA_def_property_range(prop, 0, 200);
-	RNA_def_property_ui_text(prop, N_("NDof Pan Speed"), N_("The overall panning speed of an NDOF device, as percent of standard"));
 
-	prop= RNA_def_property(srna, "ndof_rotate_speed", PROP_INT, PROP_NONE);
-	RNA_def_property_int_sdna(prop, NULL, "ndof_rotate");
-	RNA_def_property_range(prop, 0, 200);
-	RNA_def_property_ui_text(prop, N_("NDof Rotation Speed"), N_("The overall rotation speed of an NDOF device, as percent of standard"));
-	
+  	/* 3D mouse settings */
+	/* global options */
+	prop= RNA_def_property(srna, "ndof_sensitivity", PROP_FLOAT, PROP_NONE);
+	RNA_def_property_range(prop, 0.25f, 4.0f);
+	RNA_def_property_ui_text(prop, N_("Sensitivity"), N_("Overall sensitivity of the 3D Mouse"));
+
+	prop= RNA_def_property(srna, "ndof_zoom_updown", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "ndof_flag", NDOF_ZOOM_UPDOWN);
+	RNA_def_property_ui_text(prop, N_("Zoom = Up/Down"), N_("Zoom using up/down on the device (otherwise forward/backward)"));
+
+	prop= RNA_def_property(srna, "ndof_zoom_invert", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "ndof_flag", NDOF_ZOOM_INVERT);
+	RNA_def_property_ui_text(prop, N_("Invert Zoom"), N_("Zoom using opposite direction"));	
+
+	/* 3D view */
+	prop= RNA_def_property(srna, "ndof_show_guide", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "ndof_flag", NDOF_SHOW_GUIDE);
+	RNA_def_property_ui_text(prop, N_("Show Navigation Guide"), N_("Display the center and axis during rotation"));
+	/* TODO: update description when fly-mode visuals are in place  ("projected position in fly mode")*/
+
+	/* 3D view: orbit */
+	prop= RNA_def_property(srna, "ndof_orbit_invert_axes", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "ndof_flag", NDOF_ORBIT_INVERT_AXES);
+	RNA_def_property_ui_text(prop, N_("Invert Axes"), N_("Toggle between moving the viewpoint or moving the scene being viewed"));
+	/* in 3Dx docs, this is called 'object mode' vs. 'target camera mode' */
+
+	/* 3D view: fly */
+	prop= RNA_def_property(srna, "ndof_lock_horizon", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "ndof_flag", NDOF_LOCK_HORIZON);
+	RNA_def_property_ui_text(prop, N_("Lock Horizon"), N_("Keep horizon level while flying with 3D Mouse"));
+
+	prop= RNA_def_property(srna, "ndof_fly_helicopter", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "ndof_flag", NDOF_FLY_HELICOPTER);
+	RNA_def_property_ui_text(prop, N_("Helicopter Mode"), N_("Device up/down directly controls your Z position"));
+
+
 	prop= RNA_def_property(srna, "mouse_double_click_time", PROP_INT, PROP_NONE);
 	RNA_def_property_int_sdna(prop, NULL, "dbl_click_time");
 	RNA_def_property_range(prop, 1, 1000);
@@ -2780,12 +2813,6 @@ static void rna_def_userdef_input(BlenderRNA *brna)
 	RNA_def_property_range(prop, 0, 32);
 	RNA_def_property_ui_text(prop, N_("Wheel Scroll Lines"), N_("The number of lines scrolled at a time with the mouse wheel"));
 	
-	/* U.keymaps - custom keymaps that have been edited from default configs */
-	prop= RNA_def_property(srna, "edited_keymaps", PROP_COLLECTION, PROP_NONE);
-	RNA_def_property_collection_sdna(prop, NULL, "keymaps", NULL);
-	RNA_def_property_struct_type(prop, "KeyMap");
-	RNA_def_property_ui_text(prop, N_("Edited Keymaps"), "");
-	
 	prop= RNA_def_property(srna, "active_keyconfig", PROP_STRING, PROP_DIRPATH);
 	RNA_def_property_string_sdna(prop, NULL, "keyconfigstr");
 	RNA_def_property_ui_text(prop, N_("Key Config"), N_("The name of the active key configuration"));
diff --git a/source/blender/makesrna/intern/rna_wm.c b/source/blender/makesrna/intern/rna_wm.c
index 3db4d319420..904fc6bcf03 100644
--- a/source/blender/makesrna/intern/rna_wm.c
+++ b/source/blender/makesrna/intern/rna_wm.c
@@ -108,6 +108,46 @@ EnumPropertyItem event_timer_type_items[]= {
 	{TIMER2, "TIMER2", 0, N_("Timer 2"), ""},
 	{0, NULL, 0, NULL, NULL}};
 
+EnumPropertyItem event_ndof_type_items[]= {
+	/* buttons on all 3dconnexion devices */
+	{NDOF_BUTTON_MENU, "NDOF_BUTTON_MENU", 0, "Menu", ""},
+	{NDOF_BUTTON_FIT, "NDOF_BUTTON_FIT", 0, "Fit", ""},
+	/* view buttons */
+	{NDOF_BUTTON_TOP, "NDOF_BUTTON_TOP", 0, "Top", ""},
+	{NDOF_BUTTON_BOTTOM, "NDOF_BUTTON_BOTTOM", 0, "Bottom", ""},
+	{NDOF_BUTTON_LEFT, "NDOF_BUTTON_LEFT", 0, "Left", ""},
+	{NDOF_BUTTON_RIGHT, "NDOF_BUTTON_RIGHT", 0, "Right", ""},
+	{NDOF_BUTTON_FRONT, "NDOF_BUTTON_FRONT", 0, "Front", ""},
+	{NDOF_BUTTON_BACK, "NDOF_BUTTON_BACK", 0, "Back", ""},
+	/* more views */
+	{NDOF_BUTTON_ISO1, "NDOF_BUTTON_ISO1", 0, "ISO 1", ""},
+	{NDOF_BUTTON_ISO2, "NDOF_BUTTON_ISO2", 0, "ISO 2", ""},
+	/* 90 degree rotations */
+	{NDOF_BUTTON_ROLL_CW, "NDOF_BUTTON_ROLL_CW", 0, "Roll CW", ""},
+	{NDOF_BUTTON_ROLL_CCW, "NDOF_BUTTON_ROLL_CCW", 0, "Roll CCW", ""},
+	{NDOF_BUTTON_SPIN_CW, "NDOF_BUTTON_SPIN_CW", 0, "Spin CW", ""},
+	{NDOF_BUTTON_SPIN_CCW, "NDOF_BUTTON_SPIN_CCW", 0, "Spin CCW", ""},
+	{NDOF_BUTTON_TILT_CW, "NDOF_BUTTON_TILT_CW", 0, "Tilt CW", ""},
+	{NDOF_BUTTON_TILT_CCW, "NDOF_BUTTON_TILT_CCW", 0, "Tilt CCW", ""},
+	/* device control */
+	{NDOF_BUTTON_ROTATE, "NDOF_BUTTON_ROTATE", 0, "Rotate", ""},
+	{NDOF_BUTTON_PANZOOM, "NDOF_BUTTON_PANZOOM", 0, "Pan/Zoom", ""},
+	{NDOF_BUTTON_DOMINANT, "NDOF_BUTTON_DOMINANT", 0, "Dominant", ""},
+	{NDOF_BUTTON_PLUS, "NDOF_BUTTON_PLUS", 0, "Plus", ""},
+	{NDOF_BUTTON_MINUS, "NDOF_BUTTON_MINUS", 0, "Minus", ""},
+	/* general-purpose buttons */
+	{NDOF_BUTTON_1, "NDOF_BUTTON_1", 0, "Button 1", ""},
+	{NDOF_BUTTON_2, "NDOF_BUTTON_2", 0, "Button 2", ""},
+	{NDOF_BUTTON_3, "NDOF_BUTTON_3", 0, "Button 3", ""},
+	{NDOF_BUTTON_4, "NDOF_BUTTON_4", 0, "Button 4", ""},
+	{NDOF_BUTTON_5, "NDOF_BUTTON_5", 0, "Button 5", ""},
+	{NDOF_BUTTON_6, "NDOF_BUTTON_6", 0, "Button 6", ""},
+	{NDOF_BUTTON_7, "NDOF_BUTTON_7", 0, "Button 7", ""},
+	{NDOF_BUTTON_8, "NDOF_BUTTON_8", 0, "Button 8", ""},
+	{NDOF_BUTTON_9, "NDOF_BUTTON_9", 0, "Button 9", ""},
+	{NDOF_BUTTON_10, "NDOF_BUTTON_10", 0, "Button 10", ""},
+	{0, NULL, 0, NULL, NULL}};
+
 /* not returned: CAPSLOCKKEY, UNKNOWNKEY */
 EnumPropertyItem event_type_items[] = {
 
@@ -258,6 +298,44 @@ EnumPropertyItem event_type_items[] = {
 	{TIMER0, "TIMER0", 0, N_("Timer 0"), ""},
 	{TIMER1, "TIMER1", 0, N_("Timer 1"), ""},
 	{TIMER2, "TIMER2", 0, N_("Timer 2"), ""},
+	{0, "", 0, NULL, NULL},
+	/* buttons on all 3dconnexion devices */
+	{NDOF_BUTTON_MENU, "NDOF_BUTTON_MENU", 0, N_("Menu"), ""},
+	{NDOF_BUTTON_FIT, "NDOF_BUTTON_FIT", 0, N_("Fit"), ""},
+	/* view buttons */
+	{NDOF_BUTTON_TOP, "NDOF_BUTTON_TOP", 0, N_("Top"), ""},
+	{NDOF_BUTTON_BOTTOM, "NDOF_BUTTON_BOTTOM", 0, N_("Bottom"), ""},
+	{NDOF_BUTTON_LEFT, "NDOF_BUTTON_LEFT", 0, N_("Left"), ""},
+	{NDOF_BUTTON_RIGHT, "NDOF_BUTTON_RIGHT", 0, N_("Right"), ""},
+	{NDOF_BUTTON_FRONT, "NDOF_BUTTON_FRONT", 0, N_("Front"), ""},
+	{NDOF_BUTTON_BACK, "NDOF_BUTTON_BACK", 0, N_("Back"), ""},
+	/* more views */
+	{NDOF_BUTTON_ISO1, "NDOF_BUTTON_ISO1", 0, "ISO 1", ""},
+	{NDOF_BUTTON_ISO2, "NDOF_BUTTON_ISO2", 0, "ISO 2", ""},
+	/* 90 degree rotations */
+	{NDOF_BUTTON_ROLL_CW, "NDOF_BUTTON_ROLL_CW", 0, N_("Roll CW"), ""},
+	{NDOF_BUTTON_ROLL_CCW, "NDOF_BUTTON_ROLL_CCW", 0, N_("Roll CCW"), ""},
+	{NDOF_BUTTON_SPIN_CW, "NDOF_BUTTON_SPIN_CW", 0, N_("Spin CW"), ""},
+	{NDOF_BUTTON_SPIN_CCW, "NDOF_BUTTON_SPIN_CCW", 0, N_("Spin CCW"), ""},
+	{NDOF_BUTTON_TILT_CW, "NDOF_BUTTON_TILT_CW", 0, N_("Tilt CW"), ""},
+	{NDOF_BUTTON_TILT_CCW, "NDOF_BUTTON_TILT_CCW", 0, N_("Tilt CCW"), ""},
+	/* device control */
+	{NDOF_BUTTON_ROTATE, "NDOF_BUTTON_ROTATE", 0, N_("Rotate"), ""},
+	{NDOF_BUTTON_PANZOOM, "NDOF_BUTTON_PANZOOM", 0, N_("Pan/Zoom"), ""},
+	{NDOF_BUTTON_DOMINANT, "NDOF_BUTTON_DOMINANT", 0, N_("Dominant"), ""},
+	{NDOF_BUTTON_PLUS, "NDOF_BUTTON_PLUS", 0, N_("Plus"), ""},
+	{NDOF_BUTTON_MINUS, "NDOF_BUTTON_MINUS", 0, N_("Minus"), ""},
+	/* general-purpose buttons */
+	{NDOF_BUTTON_1, "NDOF_BUTTON_1", 0, N_("Button 1"), ""},
+	{NDOF_BUTTON_2, "NDOF_BUTTON_2", 0, N_("Button 2"), ""},
+	{NDOF_BUTTON_3, "NDOF_BUTTON_3", 0, N_("Button 3"), ""},
+	{NDOF_BUTTON_4, "NDOF_BUTTON_4", 0, N_("Button 4"), ""},
+	{NDOF_BUTTON_5, "NDOF_BUTTON_5", 0, N_("Button 5"), ""},
+	{NDOF_BUTTON_6, "NDOF_BUTTON_6", 0, N_("Button 6"), ""},
+	{NDOF_BUTTON_7, "NDOF_BUTTON_7", 0, N_("Button 7"), ""},
+	{NDOF_BUTTON_8, "NDOF_BUTTON_8", 0, N_("Button 8"), ""},
+	{NDOF_BUTTON_9, "NDOF_BUTTON_9", 0, N_("Button 9"), ""},
+	{NDOF_BUTTON_10, "NDOF_BUTTON_10", 0, N_("Button 10"), ""},
 	{0, NULL, 0, NULL, NULL}};	
 
 EnumPropertyItem keymap_propvalue_items[] = {
@@ -305,6 +383,7 @@ EnumPropertyItem wm_report_items[] = {
 #define KMI_TYPE_TWEAK		2
 #define KMI_TYPE_TEXTINPUT	3
 #define KMI_TYPE_TIMER		4
+#define KMI_TYPE_NDOF		5
 
 #ifdef RNA_RUNTIME
 
@@ -435,6 +514,7 @@ static int rna_wmKeyMapItem_map_type_get(PointerRNA *ptr)
 	if(ISKEYBOARD(kmi->type)) return KMI_TYPE_KEYBOARD;
 	if(ISTWEAK(kmi->type)) return KMI_TYPE_TWEAK;
 	if(ISMOUSE(kmi->type)) return KMI_TYPE_MOUSE;
+	if(ISNDOF(kmi->type)) return KMI_TYPE_NDOF;
 	if(kmi->type == KM_TEXTINPUT) return KMI_TYPE_TEXTINPUT;
 	return KMI_TYPE_KEYBOARD;
 }
@@ -466,6 +546,10 @@ static void rna_wmKeyMapItem_map_type_set(PointerRNA *ptr, int value)
 			kmi->type= TIMER;
 			kmi->val= KM_NOTHING;
 			break;
+		case KMI_TYPE_NDOF:
+			kmi->type = NDOF_BUTTON_MENU;
+			kmi->val = KM_NOTHING;
+			break;
 		}
 	}
 }
@@ -477,6 +561,7 @@ static EnumPropertyItem *rna_KeyMapItem_type_itemf(bContext *UNUSED(C), PointerR
 	if(map_type == KMI_TYPE_MOUSE) return event_mouse_type_items;
 	if(map_type == KMI_TYPE_TWEAK) return event_tweak_type_items;
 	if(map_type == KMI_TYPE_TIMER) return event_timer_type_items;
+	if(map_type == KMI_TYPE_NDOF) return event_ndof_type_items;
 	else return event_type_items;
 }
 
@@ -484,7 +569,7 @@ static EnumPropertyItem *rna_KeyMapItem_value_itemf(bContext *UNUSED(C), Pointer
 {
 	int map_type= rna_wmKeyMapItem_map_type_get(ptr);
 
-	if(map_type == KMI_TYPE_MOUSE || map_type == KMI_TYPE_KEYBOARD) return event_keymouse_value_items;
+	if(map_type == KMI_TYPE_MOUSE || map_type == KMI_TYPE_KEYBOARD || map_type == KMI_TYPE_NDOF) return event_keymouse_value_items;
 	if(map_type == KMI_TYPE_TWEAK) return event_tweak_value_items;
 	else return event_value_items;
 }
@@ -495,22 +580,6 @@ static EnumPropertyItem *rna_KeyMapItem_propvalue_itemf(bContext *C, PointerRNA
 	wmKeyConfig *kc;
 	wmKeyMap *km;
 
-	/* check user keymaps */
-	for(km=U.keymaps.first; km; km=km->next) {
-		wmKeyMapItem *kmi;
-		for (kmi=km->items.first; kmi; kmi=kmi->next) {
-			if (kmi == ptr->data) {
-				if (!km->modal_items) {
-					if (!WM_keymap_user_init(wm, km)) {
-						return keymap_propvalue_items; /* ERROR */
-					}
-				}
-
-				return km->modal_items;
-			}
-		}
-	}
-
 	for(kc=wm->keyconfigs.first; kc; kc=kc->next) {
 		for(km=kc->keymaps.first; km; km=km->next) {
 			/* only check if it's a modal keymap */
@@ -571,12 +640,13 @@ static PointerRNA rna_WindowManager_active_keyconfig_get(PointerRNA *ptr)
 	return rna_pointer_inherit_refine(ptr, &RNA_KeyConfig, kc);
 }
 
-static void rna_WindowManager_active_keyconfig_set(PointerRNA *UNUSED(ptr), PointerRNA value)
+static void rna_WindowManager_active_keyconfig_set(PointerRNA *ptr, PointerRNA value)
 {
+	wmWindowManager *wm= ptr->data;
 	wmKeyConfig *kc= value.data;
 
 	if(kc)
-		BLI_strncpy(U.keyconfigstr, kc->idname, sizeof(U.keyconfigstr));
+		WM_keyconfig_set_active(wm, kc->idname);
 }
 
 static void rna_wmKeyMapItem_idname_get(PointerRNA *ptr, char *value)
@@ -1047,93 +1117,6 @@ static StructRNA* rna_MacroOperator_refine(PointerRNA *opr)
 	return (op->type && op->type->ext.srna)? op->type->ext.srna: &RNA_Macro;
 }
 
-static wmKeyMapItem *rna_KeyMap_item_new(wmKeyMap *km, ReportList *reports, const char *idname, int type, int value, int any, int shift, int ctrl, int alt, int oskey, int keymodifier)
-{
-//	wmWindowManager *wm = CTX_wm_manager(C);
-	char idname_bl[OP_MAX_TYPENAME];
-	int modifier= 0;
-
-	/* only on non-modal maps */
-	if (km->flag & KEYMAP_MODAL) {
-		BKE_report(reports, RPT_ERROR, "Not a non-modal keymap.");
-		return NULL;
-	}
-
-	WM_operator_bl_idname(idname_bl, idname);
-
-	if(shift) modifier |= KM_SHIFT;
-	if(ctrl) modifier |= KM_CTRL;
-	if(alt) modifier |= KM_ALT;
-	if(oskey) modifier |= KM_OSKEY;
-
-	if(any) modifier = KM_ANY;
-
-	return WM_keymap_add_item(km, idname_bl, type, value, modifier, keymodifier);
-}
-
-static wmKeyMapItem *rna_KeyMap_item_new_modal(wmKeyMap *km, bContext *C, ReportList *reports, const char *propvalue_str, int type, int value, int any, int shift, int ctrl, int alt, int oskey, int keymodifier)
-{
-	wmWindowManager *wm = CTX_wm_manager(C);
-	int modifier= 0;
-	int propvalue = 0;
-
-	/* only modal maps */
-	if ((km->flag & KEYMAP_MODAL) == 0) {
-		BKE_report(reports, RPT_ERROR, "Not a modal keymap.");
-		return NULL;
-	}
-
-	if (!km->modal_items) {
-		if(!WM_keymap_user_init(wm, km)) {
-			BKE_report(reports, RPT_ERROR, "User defined keymap doesn't correspond to a system keymap.");
-			return NULL;
-		}
-	}
-
-	if (!km->modal_items) {
-		BKE_report(reports, RPT_ERROR, "No property values defined.");
-		return NULL;
-	}
-
-
-	if(RNA_enum_value_from_id(km->modal_items, propvalue_str, &propvalue)==0) {
-		BKE_report(reports, RPT_WARNING, "Property value not in enumeration.");
-	}
-
-	if(shift) modifier |= KM_SHIFT;
-	if(ctrl) modifier |= KM_CTRL;
-	if(alt) modifier |= KM_ALT;
-	if(oskey) modifier |= KM_OSKEY;
-
-	if(any) modifier = KM_ANY;
-
-	return WM_modalkeymap_add_item(km, type, value, modifier, keymodifier, propvalue);
-}
-
-static wmKeyMap *rna_keymap_new(wmKeyConfig *keyconf, const char *idname, int spaceid, int regionid, int modal)
-{
-	if (modal == 0) {
-		return WM_keymap_find(keyconf, idname, spaceid, regionid);
-	} else {
-		return WM_modalkeymap_add(keyconf, idname, NULL); /* items will be lazy init */
-	}
-}
-
-static wmKeyMap *rna_keymap_find(wmKeyConfig *keyconf, const char *idname, int spaceid, int regionid)
-{
-	return WM_keymap_list_find(&keyconf->keymaps, idname, spaceid, regionid);
-}
-
-static wmKeyMap *rna_keymap_find_modal(wmKeyConfig *UNUSED(keyconf), const char *idname)
-{
-	wmOperatorType *ot = WM_operatortype_find(idname, 0);
-
-	if (!ot)
-		return NULL;
-	else
-		return ot->modalkeymap;
-}
-
 /* just to work around 'const char *' warning and to ensure this is a python op */
 static void rna_Operator_bl_idname_set(PointerRNA *ptr, const char *value)
 {
@@ -1159,6 +1142,12 @@ static void rna_Operator_bl_description_set(PointerRNA *ptr, const char *value)
 	else		assert(!"setting the bl_description on a non-builtin operator");
 }
 
+static void rna_KeyMapItem_update(Main *bmain, Scene *scene, PointerRNA *ptr)
+{
+	wmKeyMapItem *kmi= ptr->data;
+	WM_keyconfig_update_tag(NULL, kmi);
+}
+
 #else /* RNA_RUNTIME */
 
 static void rna_def_operator(BlenderRNA *brna)
@@ -1483,9 +1472,6 @@ static void rna_def_wm_keyconfigs(BlenderRNA *brna, PropertyRNA *cprop)
 	StructRNA *srna;
 	PropertyRNA *prop;
 
-	FunctionRNA *func;
-	PropertyRNA *parm;
-
 	RNA_def_property_srna(cprop, "KeyConfigurations");
 	srna= RNA_def_struct(brna, "KeyConfigurations", NULL);
 	RNA_def_struct_sdna(srna, "wmWindowManager");
@@ -1495,23 +1481,24 @@ static void rna_def_wm_keyconfigs(BlenderRNA *brna, PropertyRNA *cprop)
 	RNA_def_property_struct_type(prop, "KeyConfig");
 	RNA_def_property_pointer_funcs(prop, "rna_WindowManager_active_keyconfig_get", "rna_WindowManager_active_keyconfig_set", NULL, NULL);
 	RNA_def_property_flag(prop, PROP_EDITABLE);
-	RNA_def_property_ui_text(prop, "Active KeyConfig", "Active wm KeyConfig");
+	RNA_def_property_ui_text(prop, "Active KeyConfig", "Active key configuration (preset)");
 	
 	prop= RNA_def_property(srna, "default", PROP_POINTER, PROP_NEVER_NULL);
 	RNA_def_property_pointer_sdna(prop, NULL, "defaultconf");
 	RNA_def_property_struct_type(prop, "KeyConfig");
-	RNA_def_property_ui_text(prop, "Default Key Configuration", "");
+	RNA_def_property_ui_text(prop, "Default Key Configuration", "Default builtin key configuration");
+
+	prop= RNA_def_property(srna, "addon", PROP_POINTER, PROP_NEVER_NULL);
+	RNA_def_property_pointer_sdna(prop, NULL, "addonconf");
+	RNA_def_property_struct_type(prop, "KeyConfig");
+	RNA_def_property_ui_text(prop, "Addon Key Configuration", "Key configuration that can be extended by addons, and is added to the active configuration when handling events");
+
+	prop= RNA_def_property(srna, "user", PROP_POINTER, PROP_NEVER_NULL);
+	RNA_def_property_pointer_sdna(prop, NULL, "userconf");
+	RNA_def_property_struct_type(prop, "KeyConfig");
+	RNA_def_property_ui_text(prop, "User Key Configuration", "Final key configuration that combines keymaps from the active and addon configurations, and can be edited by the user");
 	
-	/* funcs */
-	func= RNA_def_function(srna, "new", "WM_keyconfig_new_user"); // add_keyconfig
-	parm= RNA_def_string(func, "name", "", 0, "Name", "");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-	parm= RNA_def_pointer(func, "keyconfig", "KeyConfig", "Key Configuration", "Added key configuration.");
-	RNA_def_function_return(func, parm);
-
-	func= RNA_def_function(srna, "remove", "WM_keyconfig_remove"); // remove_keyconfig
-	parm= RNA_def_pointer(func, "keyconfig", "KeyConfig", "Key Configuration", "Removed key configuration.");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
+	RNA_api_keyconfigs(srna);
 }
 
 static void rna_def_windowmanager(BlenderRNA *brna)
@@ -1548,113 +1535,37 @@ static void rna_def_windowmanager(BlenderRNA *brna)
 static void rna_def_keymap_items(BlenderRNA *brna, PropertyRNA *cprop)
 {
 	StructRNA *srna;
-//	PropertyRNA *prop;
-
-	FunctionRNA *func;
-	PropertyRNA *parm;
 	
 	RNA_def_property_srna(cprop, "KeyMapItems");
 	srna= RNA_def_struct(brna, "KeyMapItems", NULL);
 	RNA_def_struct_sdna(srna, "wmKeyMap");
 	RNA_def_struct_ui_text(srna, "KeyMap Items", "Collection of keymap items");
 
-	func= RNA_def_function(srna, "new", "rna_KeyMap_item_new");
-	RNA_def_function_flag(func, FUNC_USE_REPORTS);
-	parm= RNA_def_string(func, "idname", "", 0, "Operator Identifier", "");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-	parm= RNA_def_enum(func, "type", event_type_items, 0, "Type", "");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-	parm= RNA_def_enum(func, "value", event_value_items, 0, "Value", "");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-	RNA_def_boolean(func, "any", 0, "Any", "");
-	RNA_def_boolean(func, "shift", 0, "Shift", "");
-	RNA_def_boolean(func, "ctrl", 0, "Ctrl", "");
-	RNA_def_boolean(func, "alt", 0, "Alt", "");
-	RNA_def_boolean(func, "oskey", 0, "OS Key", "");
-	RNA_def_enum(func, "key_modifier", event_type_items, 0, "Key Modifier", "");
-	parm= RNA_def_pointer(func, "item", "KeyMapItem", "Item", "Added key map item.");
-	RNA_def_function_return(func, parm);
-
-	func= RNA_def_function(srna, "new_modal", "rna_KeyMap_item_new_modal");
-	RNA_def_function_flag(func, FUNC_USE_CONTEXT|FUNC_USE_REPORTS);
-	parm= RNA_def_string(func, "propvalue", "", 0, "Property Value", "");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-	parm= RNA_def_enum(func, "type", event_type_items, 0, "Type", "");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-	parm= RNA_def_enum(func, "value", event_value_items, 0, "Value", "");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-	RNA_def_boolean(func, "any", 0, "Any", "");
-	RNA_def_boolean(func, "shift", 0, "Shift", "");
-	RNA_def_boolean(func, "ctrl", 0, "Ctrl", "");
-	RNA_def_boolean(func, "alt", 0, "Alt", "");
-	RNA_def_boolean(func, "oskey", 0, "OS Key", "");
-	RNA_def_enum(func, "key_modifier", event_type_items, 0, "Key Modifier", "");
-	parm= RNA_def_pointer(func, "item", "KeyMapItem", "Item", "Added key map item.");
-	RNA_def_function_return(func, parm);
-	
-	func= RNA_def_function(srna, "remove", "WM_keymap_remove_item");
-	parm= RNA_def_pointer(func, "item", "KeyMapItem", "Item", "");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-
-	func= RNA_def_function(srna, "from_id", "WM_keymap_item_find_id");
-	parm= RNA_def_property(func, "id", PROP_INT, PROP_NONE);
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-	RNA_def_property_ui_text(parm, "id", "ID of the item");
-	parm= RNA_def_pointer(func, "item", "KeyMapItem", "Item", "");
-	RNA_def_function_return(func, parm);
-	
+	RNA_api_keymapitems(srna);
 }
 
 static void rna_def_wm_keymaps(BlenderRNA *brna, PropertyRNA *cprop)
 {
 	StructRNA *srna;
-	//PropertyRNA *prop;
-
-	FunctionRNA *func;
-	PropertyRNA *parm;
-
 
 	RNA_def_property_srna(cprop, "KeyMaps");
 	srna= RNA_def_struct(brna, "KeyMaps", NULL);
 	RNA_def_struct_sdna(srna, "wmKeyConfig");
 	RNA_def_struct_ui_text(srna, "Key Maps", "Collection of keymaps");
 
-	func= RNA_def_function(srna, "new", "rna_keymap_new"); // add_keymap
-	parm= RNA_def_string(func, "name", "", 0, "Name", "");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-	RNA_def_enum(func, "space_type", space_type_items, SPACE_EMPTY, "Space Type", "");
-	RNA_def_enum(func, "region_type", region_type_items, RGN_TYPE_WINDOW, "Region Type", "");
-	RNA_def_boolean(func, "modal", 0, "Modal", "");
-	parm= RNA_def_pointer(func, "keymap", "KeyMap", "Key Map", "Added key map.");
-	RNA_def_function_return(func, parm);
-
-	func= RNA_def_function(srna, "find", "rna_keymap_find"); // find_keymap
-	parm= RNA_def_string(func, "name", "", 0, "Name", "");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-	RNA_def_enum(func, "space_type", space_type_items, SPACE_EMPTY, "Space Type", "");
-	RNA_def_enum(func, "region_type", region_type_items, RGN_TYPE_WINDOW, "Region Type", "");
-	parm= RNA_def_pointer(func, "keymap", "KeyMap", "Key Map", "Corresponding key map.");
-	RNA_def_function_return(func, parm);
-
-	func= RNA_def_function(srna, "find_modal", "rna_keymap_find_modal"); // find_keymap_modal
-	parm= RNA_def_string(func, "name", "", 0, "Operator Name", "");
-	RNA_def_property_flag(parm, PROP_REQUIRED);
-	parm= RNA_def_pointer(func, "keymap", "KeyMap", "Key Map", "Corresponding key map.");
-	RNA_def_function_return(func, parm);
-	
+	RNA_api_keymaps(srna);
 }
 
 static void rna_def_keyconfig(BlenderRNA *brna)
 {
 	StructRNA *srna;
-	// FunctionRNA *func;
-	// PropertyRNA *parm;
 	PropertyRNA *prop;
 
 	static EnumPropertyItem map_type_items[] = {
 		{KMI_TYPE_KEYBOARD, "KEYBOARD", 0, N_("Keyboard"), ""},
 		{KMI_TYPE_TWEAK, "TWEAK", 0, N_("Tweak"), ""},
 		{KMI_TYPE_MOUSE, "MOUSE", 0, N_("Mouse"), ""},
+		{KMI_TYPE_NDOF, "NDOF", 0, N_("NDOF"), ""},
 		{KMI_TYPE_TEXTINPUT, "TEXTINPUT", 0, N_("Text Input"), ""},
 		{KMI_TYPE_TIMER, "TIMER", 0, N_("Timer"), ""},
 		{0, NULL, 0, NULL, NULL}};
@@ -1710,8 +1621,8 @@ static void rna_def_keyconfig(BlenderRNA *brna)
 	RNA_def_property_ui_text(prop, N_("Items"), N_("Items in the keymap, linking an operator to an input event"));
 	rna_def_keymap_items(brna, prop);
 
-	prop= RNA_def_property(srna, "is_user_defined", PROP_BOOLEAN, PROP_NEVER_NULL);
-	RNA_def_property_boolean_sdna(prop, NULL, "flag", KEYMAP_USER);
+	prop= RNA_def_property(srna, "is_user_modified", PROP_BOOLEAN, PROP_NEVER_NULL);
+	RNA_def_property_boolean_sdna(prop, NULL, "flag", KEYMAP_USER_MODIFIED);
 	RNA_def_property_ui_text(prop, N_("User Defined"), N_("Keymap is defined by the user"));
 
 	prop= RNA_def_property(srna, "is_modal", PROP_BOOLEAN, PROP_NONE);
@@ -1742,6 +1653,7 @@ static void rna_def_keyconfig(BlenderRNA *brna)
 	RNA_def_property_ui_text(prop, N_("Identifier"), N_("Identifier of operator to call on input event"));
 	RNA_def_property_string_funcs(prop, "rna_wmKeyMapItem_idname_get", "rna_wmKeyMapItem_idname_length", "rna_wmKeyMapItem_idname_set");
 	RNA_def_struct_name_property(srna, prop);
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 	
 	prop= RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
 	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
@@ -1752,62 +1664,73 @@ static void rna_def_keyconfig(BlenderRNA *brna)
 	RNA_def_property_struct_type(prop, "OperatorProperties");
 	RNA_def_property_pointer_funcs(prop, "rna_KeyMapItem_properties_get", NULL, NULL, NULL);
 	RNA_def_property_ui_text(prop, N_("Properties"), N_("Properties to set when the operator is called"));
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "map_type", PROP_ENUM, PROP_NONE);
 	RNA_def_property_enum_sdna(prop, NULL, "maptype");
 	RNA_def_property_enum_items(prop, map_type_items);
 	RNA_def_property_enum_funcs(prop, "rna_wmKeyMapItem_map_type_get", "rna_wmKeyMapItem_map_type_set", NULL);
 	RNA_def_property_ui_text(prop, N_("Map Type"), N_("Type of event mapping"));
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "type", PROP_ENUM, PROP_NONE);
 	RNA_def_property_enum_sdna(prop, NULL, "type");
 	RNA_def_property_enum_items(prop, event_type_items);
 	RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_KeyMapItem_type_itemf");
 	RNA_def_property_ui_text(prop, N_("Type"), N_("Type of event"));
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "value", PROP_ENUM, PROP_NONE);
 	RNA_def_property_enum_sdna(prop, NULL, "val");
 	RNA_def_property_enum_items(prop, event_value_items);
 	RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_KeyMapItem_value_itemf");
 	RNA_def_property_ui_text(prop, N_("Value"), "");
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "id", PROP_INT, PROP_NONE);
 	RNA_def_property_int_sdna(prop, NULL, "id");
 	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
 	RNA_def_property_ui_text(prop, "id", N_("ID of the item"));
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "any", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_funcs(prop, "rna_KeyMapItem_any_getf", "rna_KeyMapItem_any_setf");
 	RNA_def_property_ui_text(prop, N_("Any"), N_("Any modifier keys pressed"));
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "shift", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "shift", 0);
 //	RNA_def_property_enum_sdna(prop, NULL, "shift");
 //	RNA_def_property_enum_items(prop, keymap_modifiers_items);
 	RNA_def_property_ui_text(prop, "Shift", N_("Shift key pressed"));
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "ctrl", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "ctrl", 0);
 //	RNA_def_property_enum_sdna(prop, NULL, "ctrl");
 //	RNA_def_property_enum_items(prop, keymap_modifiers_items);
 	RNA_def_property_ui_text(prop, "Ctrl", N_("Control key pressed"));
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "alt", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "alt", 0);
 //	RNA_def_property_enum_sdna(prop, NULL, "alt");
 //	RNA_def_property_enum_items(prop, keymap_modifiers_items);
 	RNA_def_property_ui_text(prop, "Alt", N_("Alt key pressed"));
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "oskey", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "oskey", 0);
 //	RNA_def_property_enum_sdna(prop, NULL, "oskey");
 //	RNA_def_property_enum_items(prop, keymap_modifiers_items);
 	RNA_def_property_ui_text(prop, N_("OS Key"), N_("Operating system key pressed"));
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "key_modifier", PROP_ENUM, PROP_NONE);
 	RNA_def_property_enum_sdna(prop, NULL, "keymodifier");
 	RNA_def_property_enum_items(prop, event_type_items);
 	RNA_def_property_ui_text(prop, N_("Key Modifier"), N_("Regular key pressed as a modifier"));
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "show_expanded", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "flag", KMI_EXPANDED);
@@ -1819,15 +1742,21 @@ static void rna_def_keyconfig(BlenderRNA *brna)
 	RNA_def_property_enum_items(prop, keymap_propvalue_items);
 	RNA_def_property_enum_funcs(prop, NULL, NULL, "rna_KeyMapItem_propvalue_itemf");
 	RNA_def_property_ui_text(prop, N_("Property Value"), N_("The value this event translates to in a modal keymap"));
+	RNA_def_property_update(prop, 0, "rna_KeyMapItem_update");
 
 	prop= RNA_def_property(srna, "active", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_negative_sdna(prop, NULL, "flag", KMI_INACTIVE);
 	RNA_def_property_ui_text(prop, N_("Active"), N_("Activate or deactivate item"));
 	RNA_def_property_ui_icon(prop, ICON_CHECKBOX_DEHLT, 1);
 
+	prop= RNA_def_property(srna, "is_user_modified", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "flag", KMI_USER_MODIFIED);
+	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
+	RNA_def_property_ui_text(prop, N_("User Modified"), N_("Is this keymap item modified by the user"));
+
 	prop= RNA_def_property(srna, "is_user_defined", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
-	RNA_def_property_ui_text(prop, N_("User Defined"), N_("Is this keymap item user defined (doesn't just override a builtin item)"));
+	RNA_def_property_ui_text(prop, N_("User Defined"), N_("Is this keymap item user defined (doesn't just replace a builtin item)"));
 	RNA_def_property_boolean_funcs(prop, "rna_KeyMapItem_userdefined_get", NULL);
 
 	RNA_api_keymapitem(srna);
diff --git a/source/blender/makesrna/intern/rna_wm_api.c b/source/blender/makesrna/intern/rna_wm_api.c
index e250cc84aa3..89e946f498a 100644
--- a/source/blender/makesrna/intern/rna_wm_api.c
+++ b/source/blender/makesrna/intern/rna_wm_api.c
@@ -84,6 +84,85 @@ void rna_event_timer_remove(struct wmWindowManager *wm, wmTimer *timer)
 	WM_event_remove_timer(wm, timer->win, timer);
 }
 
+static wmKeyMapItem *rna_KeyMap_item_new(wmKeyMap *km, ReportList *reports, const char *idname, int type, int value, int any, int shift, int ctrl, int alt, int oskey, int keymodifier)
+{
+//	wmWindowManager *wm = CTX_wm_manager(C);
+	char idname_bl[OP_MAX_TYPENAME];
+	int modifier= 0;
+
+	/* only on non-modal maps */
+	if (km->flag & KEYMAP_MODAL) {
+		BKE_report(reports, RPT_ERROR, "Not a non-modal keymap.");
+		return NULL;
+	}
+
+	WM_operator_bl_idname(idname_bl, idname);
+
+	if(shift) modifier |= KM_SHIFT;
+	if(ctrl) modifier |= KM_CTRL;
+	if(alt) modifier |= KM_ALT;
+	if(oskey) modifier |= KM_OSKEY;
+
+	if(any) modifier = KM_ANY;
+
+	return WM_keymap_add_item(km, idname_bl, type, value, modifier, keymodifier);
+}
+
+static wmKeyMapItem *rna_KeyMap_item_new_modal(wmKeyMap *km, ReportList *reports, const char *propvalue_str, int type, int value, int any, int shift, int ctrl, int alt, int oskey, int keymodifier)
+{
+	int modifier= 0;
+	int propvalue = 0;
+
+	/* only modal maps */
+	if ((km->flag & KEYMAP_MODAL) == 0) {
+		BKE_report(reports, RPT_ERROR, "Not a modal keymap.");
+		return NULL;
+	}
+
+	if (!km->modal_items) {
+		BKE_report(reports, RPT_ERROR, "No property values defined.");
+		return NULL;
+	}
+
+
+	if(RNA_enum_value_from_id(km->modal_items, propvalue_str, &propvalue)==0) {
+		BKE_report(reports, RPT_WARNING, "Property value not in enumeration.");
+	}
+
+	if(shift) modifier |= KM_SHIFT;
+	if(ctrl) modifier |= KM_CTRL;
+	if(alt) modifier |= KM_ALT;
+	if(oskey) modifier |= KM_OSKEY;
+
+	if(any) modifier = KM_ANY;
+
+	return WM_modalkeymap_add_item(km, type, value, modifier, keymodifier, propvalue);
+}
+
+static wmKeyMap *rna_keymap_new(wmKeyConfig *keyconf, const char *idname, int spaceid, int regionid, int modal)
+{
+	if (modal == 0) {
+		return WM_keymap_find(keyconf, idname, spaceid, regionid);
+	} else {
+		return WM_modalkeymap_add(keyconf, idname, NULL); /* items will be lazy init */
+	}
+}
+
+static wmKeyMap *rna_keymap_find(wmKeyConfig *keyconf, const char *idname, int spaceid, int regionid)
+{
+	return WM_keymap_list_find(&keyconf->keymaps, idname, spaceid, regionid);
+}
+
+static wmKeyMap *rna_keymap_find_modal(wmKeyConfig *UNUSED(keyconf), const char *idname)
+{
+	wmOperatorType *ot = WM_operatortype_find(idname, 0);
+
+	if (!ot)
+		return NULL;
+	else
+		return ot->modalkeymap;
+}
+
 #else
 
 #define WM_GEN_INVOKE_EVENT (1<<0)
@@ -205,7 +284,7 @@ void RNA_api_operator(StructRNA *srna)
 
 	/* check */
 	func= RNA_def_function(srna, "check", NULL);
-	RNA_def_function_ui_description(func, "Check the operator settings.");
+	RNA_def_function_ui_description(func, "Check the operator settings, return True to signal a change to redraw.");
 	RNA_def_function_flag(func, FUNC_REGISTER_OPTIONAL);
 	parm= RNA_def_pointer(func, "context", "Context", "", "");
 	RNA_def_property_flag(parm, PROP_REQUIRED|PROP_NEVER_NULL);
@@ -301,11 +380,8 @@ void RNA_api_keymap(StructRNA *srna)
 	parm= RNA_def_pointer(func, "keymap", "KeyMap", "Key Map", "Active key map.");
 	RNA_def_function_return(func, parm);
 
-	func= RNA_def_function(srna, "copy_to_user", "WM_keymap_copy_to_user");
-	parm= RNA_def_pointer(func, "keymap", "KeyMap", "Key Map", "User editable key map.");
-	RNA_def_function_return(func, parm);
-
-	RNA_def_function(srna, "restore_to_default", "WM_keymap_restore_to_default");
+	func= RNA_def_function(srna, "restore_to_default", "WM_keymap_restore_to_default");
+	RNA_def_function_flag(func, FUNC_USE_CONTEXT);
 
 	func= RNA_def_function(srna, "restore_item_to_default", "rna_keymap_restore_item_to_default");
 	RNA_def_function_flag(func, FUNC_USE_CONTEXT);
@@ -324,5 +400,102 @@ void RNA_api_keymapitem(StructRNA *srna)
 	parm= RNA_def_boolean(func, "result", 0, "Comparison result", "");
 	RNA_def_function_return(func, parm);
 }
+
+void RNA_api_keymapitems(StructRNA *srna)
+{
+	FunctionRNA *func;
+	PropertyRNA *parm;
+
+	func= RNA_def_function(srna, "new", "rna_KeyMap_item_new");
+	RNA_def_function_flag(func, FUNC_USE_REPORTS);
+	parm= RNA_def_string(func, "idname", "", 0, "Operator Identifier", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	parm= RNA_def_enum(func, "type", event_type_items, 0, "Type", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	parm= RNA_def_enum(func, "value", event_value_items, 0, "Value", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	RNA_def_boolean(func, "any", 0, "Any", "");
+	RNA_def_boolean(func, "shift", 0, "Shift", "");
+	RNA_def_boolean(func, "ctrl", 0, "Ctrl", "");
+	RNA_def_boolean(func, "alt", 0, "Alt", "");
+	RNA_def_boolean(func, "oskey", 0, "OS Key", "");
+	RNA_def_enum(func, "key_modifier", event_type_items, 0, "Key Modifier", "");
+	parm= RNA_def_pointer(func, "item", "KeyMapItem", "Item", "Added key map item.");
+	RNA_def_function_return(func, parm);
+
+	func= RNA_def_function(srna, "new_modal", "rna_KeyMap_item_new_modal");
+	RNA_def_function_flag(func, FUNC_USE_REPORTS);
+	parm= RNA_def_string(func, "propvalue", "", 0, "Property Value", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	parm= RNA_def_enum(func, "type", event_type_items, 0, "Type", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	parm= RNA_def_enum(func, "value", event_value_items, 0, "Value", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	RNA_def_boolean(func, "any", 0, "Any", "");
+	RNA_def_boolean(func, "shift", 0, "Shift", "");
+	RNA_def_boolean(func, "ctrl", 0, "Ctrl", "");
+	RNA_def_boolean(func, "alt", 0, "Alt", "");
+	RNA_def_boolean(func, "oskey", 0, "OS Key", "");
+	RNA_def_enum(func, "key_modifier", event_type_items, 0, "Key Modifier", "");
+	parm= RNA_def_pointer(func, "item", "KeyMapItem", "Item", "Added key map item.");
+	RNA_def_function_return(func, parm);
+	
+	func= RNA_def_function(srna, "remove", "WM_keymap_remove_item");
+	parm= RNA_def_pointer(func, "item", "KeyMapItem", "Item", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+
+	func= RNA_def_function(srna, "from_id", "WM_keymap_item_find_id");
+	parm= RNA_def_property(func, "id", PROP_INT, PROP_NONE);
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	RNA_def_property_ui_text(parm, "id", "ID of the item");
+	parm= RNA_def_pointer(func, "item", "KeyMapItem", "Item", "");
+	RNA_def_function_return(func, parm);
+}
+
+void RNA_api_keymaps(StructRNA *srna)
+{
+	FunctionRNA *func;
+	PropertyRNA *parm;
+
+	func= RNA_def_function(srna, "new", "rna_keymap_new"); // add_keymap
+	parm= RNA_def_string(func, "name", "", 0, "Name", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	RNA_def_enum(func, "space_type", space_type_items, SPACE_EMPTY, "Space Type", "");
+	RNA_def_enum(func, "region_type", region_type_items, RGN_TYPE_WINDOW, "Region Type", "");
+	RNA_def_boolean(func, "modal", 0, "Modal", "");
+	parm= RNA_def_pointer(func, "keymap", "KeyMap", "Key Map", "Added key map.");
+	RNA_def_function_return(func, parm);
+
+	func= RNA_def_function(srna, "find", "rna_keymap_find"); // find_keymap
+	parm= RNA_def_string(func, "name", "", 0, "Name", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	RNA_def_enum(func, "space_type", space_type_items, SPACE_EMPTY, "Space Type", "");
+	RNA_def_enum(func, "region_type", region_type_items, RGN_TYPE_WINDOW, "Region Type", "");
+	parm= RNA_def_pointer(func, "keymap", "KeyMap", "Key Map", "Corresponding key map.");
+	RNA_def_function_return(func, parm);
+
+	func= RNA_def_function(srna, "find_modal", "rna_keymap_find_modal"); // find_keymap_modal
+	parm= RNA_def_string(func, "name", "", 0, "Operator Name", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	parm= RNA_def_pointer(func, "keymap", "KeyMap", "Key Map", "Corresponding key map.");
+	RNA_def_function_return(func, parm);
+}
+
+void RNA_api_keyconfigs(StructRNA *srna)
+{
+	FunctionRNA *func;
+	PropertyRNA *parm;
+
+	func= RNA_def_function(srna, "new", "WM_keyconfig_new_user"); // add_keyconfig
+	parm= RNA_def_string(func, "name", "", 0, "Name", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+	parm= RNA_def_pointer(func, "keyconfig", "KeyConfig", "Key Configuration", "Added key configuration.");
+	RNA_def_function_return(func, parm);
+
+	func= RNA_def_function(srna, "remove", "WM_keyconfig_remove"); // remove_keyconfig
+	parm= RNA_def_pointer(func, "keyconfig", "KeyConfig", "Key Configuration", "Removed key configuration.");
+	RNA_def_property_flag(parm, PROP_REQUIRED);
+}
+
 #endif
 
diff --git a/source/blender/modifiers/intern/MOD_uvproject.c b/source/blender/modifiers/intern/MOD_uvproject.c
index a5d2e0b38c7..922ae8c1e92 100644
--- a/source/blender/modifiers/intern/MOD_uvproject.c
+++ b/source/blender/modifiers/intern/MOD_uvproject.c
@@ -42,6 +42,7 @@
 #include "DNA_object_types.h"
 
 #include "BLI_math.h"
+#include "BLI_string.h"
 #include "BLI_uvproject.h"
 #include "BLI_utildefines.h"
 
@@ -83,6 +84,7 @@ static void copyData(ModifierData *md, ModifierData *target)
 	tumd->aspecty = umd->aspecty;
 	tumd->scalex = umd->scalex;
 	tumd->scaley = umd->scaley;
+	BLI_strncpy(tumd->uvlayer_name, umd->uvlayer_name, sizeof(umd->uvlayer_name));
 }
 
 static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *UNUSED(md))
diff --git a/source/blender/python/intern/bpy_driver.c b/source/blender/python/intern/bpy_driver.c
index bcd5df97c2c..d68fd9a9111 100644
--- a/source/blender/python/intern/bpy_driver.c
+++ b/source/blender/python/intern/bpy_driver.c
@@ -41,8 +41,6 @@
 
 #include "bpy_driver.h"
 
-#include "../generic/py_capi_utils.h"
-
 /* for pydrivers (drivers using one-line Python expressions to express relationships between targets) */
 PyObject *bpy_pydriver_Dict= NULL;
 
@@ -89,7 +87,7 @@ int bpy_pydriver_create_dict(void)
 void BPY_driver_reset(void)
 {
 	PyGILState_STATE gilstate;
-	int use_gil= !PYC_INTERPRETER_ACTIVE;
+	int use_gil= 1; /* !PYC_INTERPRETER_ACTIVE; */
 
 	if(use_gil)
 		gilstate= PyGILState_Ensure();
@@ -120,9 +118,14 @@ static void pydriver_error(ChannelDriver *driver)
 /* This evals py driver expressions, 'expr' is a Python expression that
  * should evaluate to a float number, which is returned.
  *
- * note: PyGILState_Ensure() isnt always called because python can call the
- * bake operator which intern starts a thread which calls scene update which
- * does a driver update. to avoid a deadlock check PYC_INTERPRETER_ACTIVE if PyGILState_Ensure() is needed.
+ * (old)note: PyGILState_Ensure() isnt always called because python can call
+ * the bake operator which intern starts a thread which calls scene update
+ * which does a driver update. to avoid a deadlock check PYC_INTERPRETER_ACTIVE
+ * if PyGILState_Ensure() is needed - see [#27683]
+ *
+ * (new)note: checking if python is running is not threadsafe [#28114]
+ * now release the GIL on python operator execution instead, using
+ * PyEval_SaveThread() / PyEval_RestoreThread() so we dont lock up blender.
  */
 float BPY_driver_exec(ChannelDriver *driver)
 {
@@ -149,7 +152,7 @@ float BPY_driver_exec(ChannelDriver *driver)
 		return 0.0f;
 	}
 
-	use_gil= !PYC_INTERPRETER_ACTIVE;
+	use_gil= 1; /* !PYC_INTERPRETER_ACTIVE; */
 
 	if(use_gil)
 		gilstate= PyGILState_Ensure();
diff --git a/source/blender/python/intern/bpy_library.c b/source/blender/python/intern/bpy_library.c
index 85bffb5a8cc..4ce3e0356e2 100644
--- a/source/blender/python/intern/bpy_library.c
+++ b/source/blender/python/intern/bpy_library.c
@@ -39,6 +39,7 @@
 #include "BKE_library.h"
 #include "BKE_idcode.h"
 #include "BKE_report.h"
+#include "BKE_context.h"
 
 #include "BLI_utildefines.h"
 #include "BLI_string.h"
@@ -317,7 +318,7 @@ static PyObject *bpy_lib_exit(BPy_Library *self, PyObject *UNUSED(args))
 	flag_all_listbases_ids(LIB_PRE_EXISTING, 1);
 
 	/* here appending/linking starts */
-	mainl= BLO_library_append_begin(BPy_GetContext(), &(self->blo_handle), self->relpath);
+	mainl= BLO_library_append_begin(CTX_data_main(BPy_GetContext()), &(self->blo_handle), self->relpath);
 
 	{
 		int i= 0, code;
diff --git a/source/blender/python/intern/bpy_operator.c b/source/blender/python/intern/bpy_operator.c
index b8883e655f2..4b05a9c0c72 100644
--- a/source/blender/python/intern/bpy_operator.c
+++ b/source/blender/python/intern/bpy_operator.c
@@ -55,6 +55,10 @@
 #include "BKE_report.h"
 #include "BKE_context.h"
 
+/* so operators called can spawn threads which aquire the GIL */
+#define BPY_RELEASE_GIL
+
+
 static PyObject *pyop_poll(PyObject *UNUSED(self), PyObject *args)
 {
 	wmOperatorType *ot;
@@ -219,7 +223,22 @@ static PyObject *pyop_call(PyObject *UNUSED(self), PyObject *args)
 			reports= MEM_mallocN(sizeof(ReportList), "wmOperatorReportList");
 			BKE_reports_init(reports, RPT_STORE | RPT_OP_HOLD); /* own so these dont move into global reports */
 
-			operator_ret= WM_operator_call_py(C, ot, context, &ptr, reports);
+#ifdef BPY_RELEASE_GIL
+			/* release GIL, since a thread could be started from an operator
+			 * that updates a driver */
+			/* note: I havve not seen any examples of code that does this
+			 * so it may not be officially supported but seems to work ok. */
+			{
+				PyThreadState *ts= PyEval_SaveThread();
+#endif
+
+				operator_ret= WM_operator_call_py(C, ot, context, &ptr, reports);
+
+#ifdef BPY_RELEASE_GIL
+				/* regain GIL */
+				PyEval_RestoreThread(ts);
+			}
+#endif
 
 			error_val= BPy_reports_to_error(reports, PyExc_RuntimeError, FALSE);
 
@@ -378,7 +397,9 @@ static PyObject *pyop_getrna(PyObject *UNUSED(self), PyObject *value)
 
 	
 	pyrna= (BPy_StructRNA *)pyrna_struct_CreatePyObject(&ptr);
+#ifdef PYRNA_FREE_SUPPORT
 	pyrna->freeptr= TRUE;
+#endif
 	return (PyObject *)pyrna;
 }
 
diff --git a/source/blender/python/intern/bpy_props.c b/source/blender/python/intern/bpy_props.c
index 0ba80bf0850..a0ad1ff7850 100644
--- a/source/blender/python/intern/bpy_props.c
+++ b/source/blender/python/intern/bpy_props.c
@@ -326,6 +326,11 @@ static int bpy_prop_callback_assign(struct PropertyRNA *prop, PyObject *update_c
 "   :type description: string\n" \
 
 
+#define BPY_PROPDEF_UNIT_DOC \
+"   :arg unit: Enumerator in ['NONE', 'LENGTH', 'AREA', 'VOLUME', 'ROTATION', 'TIME', 'VELOCITY', 'ACCELERATION'].\n" \
+"   :type unit: string\n"	\
+
+
 #define BPY_PROPDEF_UPDATE_DOC \
 "   :arg update: function to be called when this value is modified,\n" \
 "      This function must take 2 values (self, context) and return None.\n" \
@@ -639,8 +644,7 @@ BPY_PROPDEF_DESC_DOC
 "   :type options: set\n"
 "   :arg subtype: Enumerator in ['UNSIGNED', 'PERCENTAGE', 'FACTOR', 'ANGLE', 'TIME', 'DISTANCE', 'NONE'].\n"
 "   :type subtype: string\n"
-"   :arg unit: Enumerator in ['NONE', 'LENGTH', 'AREA', 'VOLUME', 'ROTATION', 'TIME', 'VELOCITY', 'ACCELERATION'].\n"
-"   :type unit: string\n"
+BPY_PROPDEF_UNIT_DOC
 BPY_PROPDEF_UPDATE_DOC
 );
 static PyObject *BPy_FloatProperty(PyObject *self, PyObject *args, PyObject *kw)
@@ -679,7 +683,7 @@ static PyObject *BPy_FloatProperty(PyObject *self, PyObject *args, PyObject *kw)
 		BPY_PROPDEF_SUBTYPE_CHECK(FloatProperty, property_flag_items, property_subtype_number_items)
 
 		if(pyunit && RNA_enum_value_from_id(property_unit_items, pyunit, &unit)==0) {
-			PyErr_Format(PyExc_TypeError, "FloatProperty(unit='%s'): invalid unit");
+			PyErr_Format(PyExc_TypeError, "FloatProperty(unit='%s'): invalid unit", pyunit);
 			return NULL;
 		}
 
@@ -716,6 +720,7 @@ BPY_PROPDEF_DESC_DOC
 "   :type options: set\n"
 "   :arg subtype: Enumerator in ['COLOR', 'TRANSLATION', 'DIRECTION', 'VELOCITY', 'ACCELERATION', 'MATRIX', 'EULER', 'QUATERNION', 'AXISANGLE', 'XYZ', 'COLOR_GAMMA', 'LAYER', 'NONE'].\n"
 "   :type subtype: string\n"
+BPY_PROPDEF_UNIT_DOC
 "   :arg size: Vector dimensions in [1, and " STRINGIFY(PYRNA_STACK_ARRAY) "].\n"
 "   :type size: int\n"
 BPY_PROPDEF_UPDATE_DOC
@@ -727,7 +732,7 @@ static PyObject *BPy_FloatVectorProperty(PyObject *self, PyObject *args, PyObjec
 	BPY_PROPDEF_HEAD(FloatVectorProperty)
 
 	if(srna) {
-		static const char *kwlist[]= {"attr", "name", "description", "default", "min", "max", "soft_min", "soft_max", "step", "precision", "options", "subtype", "size", "update", NULL};
+		static const char *kwlist[]= {"attr", "name", "description", "default", "min", "max", "soft_min", "soft_max", "step", "precision", "options", "subtype", "unit", "size", "update", NULL};
 		const char *id=NULL, *name="", *description="";
 		int id_len;
 		float min=-FLT_MAX, max=FLT_MAX, soft_min=-FLT_MAX, soft_max=FLT_MAX, step=3, def[PYRNA_STACK_ARRAY]={0.0f};
@@ -738,15 +743,17 @@ static PyObject *BPy_FloatVectorProperty(PyObject *self, PyObject *args, PyObjec
 		int opts=0;
 		char *pysubtype= NULL;
 		int subtype= PROP_NONE;
+		char *pyunit= NULL;
+		int unit= PROP_UNIT_NONE;
 		PyObject *update_cb= NULL;
 
 		if (!PyArg_ParseTupleAndKeywords(args, kw,
-		                                 "s#|ssOfffffiO!siO:FloatVectorProperty",
+		                                 "s#|ssOfffffiO!ssiO:FloatVectorProperty",
 		                                 (char **)kwlist, &id, &id_len,
 		                                 &name, &description, &pydef,
 		                                 &min, &max, &soft_min, &soft_max,
 		                                 &step, &precision, &PySet_Type,
-		                                 &pyopts, &pysubtype, &size,
+		                                 &pyopts, &pysubtype, &pyunit, &size,
 		                                 &update_cb))
 		{
 			return NULL;
@@ -754,6 +761,11 @@ static PyObject *BPy_FloatVectorProperty(PyObject *self, PyObject *args, PyObjec
 
 		BPY_PROPDEF_SUBTYPE_CHECK(FloatVectorProperty, property_flag_items, property_subtype_array_items)
 
+		if(pyunit && RNA_enum_value_from_id(property_unit_items, pyunit, &unit)==0) {
+			PyErr_Format(PyExc_TypeError, "FloatVectorProperty(unit='%s'): invalid unit", pyunit);
+			return NULL;
+		}
+
 		if(size < 1 || size > PYRNA_STACK_ARRAY) {
 			PyErr_Format(PyExc_TypeError, "FloatVectorProperty(size=%d): size must be between 0 and " STRINGIFY(PYRNA_STACK_ARRAY), size);
 			return NULL;
@@ -766,7 +778,7 @@ static PyObject *BPy_FloatVectorProperty(PyObject *self, PyObject *args, PyObjec
 			return NULL;
 		}
 
-		prop= RNA_def_property(srna, id, PROP_FLOAT, subtype);
+		prop= RNA_def_property(srna, id, PROP_FLOAT, subtype | unit);
 		RNA_def_property_array(prop, size);
 		if(pydef) RNA_def_property_float_array_default(prop, def);
 		RNA_def_property_range(prop, min, max);
diff --git a/source/blender/python/intern/bpy_rna.c b/source/blender/python/intern/bpy_rna.c
index 6e1b9c807f3..4447a0476f4 100644
--- a/source/blender/python/intern/bpy_rna.c
+++ b/source/blender/python/intern/bpy_rna.c
@@ -908,6 +908,13 @@ static PyObject *pyrna_prop_repr(BPy_PropertyRNA *self)
 	return ret;
 }
 
+
+static PyObject *pyrna_func_repr(BPy_FunctionRNA *self)
+{
+	return PyUnicode_FromFormat("<%.200s %.200s.%.200s()>", Py_TYPE(self)->tp_name, RNA_struct_identifier(self->ptr.type), RNA_function_identifier(self->func));
+}
+
+
 static long pyrna_struct_hash(BPy_StructRNA *self)
 {
 	return _Py_HashPointer(self->ptr.data);
@@ -950,11 +957,13 @@ static int pyrna_struct_clear(BPy_StructRNA *self)
 /* use our own dealloc so we can free a property if we use one */
 static void pyrna_struct_dealloc(BPy_StructRNA *self)
 {
+#ifdef PYRNA_FREE_SUPPORT
 	if (self->freeptr && self->ptr.data) {
 		IDP_FreeProperty(self->ptr.data);
 		MEM_freeN(self->ptr.data);
 		self->ptr.data= NULL;
 	}
+#endif /* PYRNA_FREE_SUPPORT */
 
 #ifdef USE_WEAKREFS
 	if (self->in_weakreflist != NULL) {
@@ -1344,36 +1353,16 @@ int pyrna_pydict_to_props(PointerRNA *ptr, PyObject *kw, int all_args, const cha
 	return error_val;
 }
 
-static PyObject *pyrna_func_call(PyObject *self, PyObject *args, PyObject *kw);
 
-static PyObject *pyrna_func_to_py(BPy_DummyPointerRNA *pyrna, FunctionRNA *func)
+static PyObject *pyrna_func_to_py(PointerRNA *ptr, FunctionRNA *func)
 {
-	static PyMethodDef func_meth= {"<generic rna function>", (PyCFunction)pyrna_func_call, METH_VARARGS|METH_KEYWORDS, "python rna function"};
-	PyObject *self;
-	PyObject *ret;
-
-	if(func==NULL) {
-		PyErr_Format(PyExc_RuntimeError,
-		             "%.200s: type attempted to get NULL function",
-		             RNA_struct_identifier(pyrna->ptr.type));
-		return NULL;
-	}
-
-	self= PyTuple_New(2);
-
-	PyTuple_SET_ITEM(self, 0, (PyObject *)pyrna);
-	Py_INCREF(pyrna);
-
-	PyTuple_SET_ITEM(self, 1, PyCapsule_New((void *)func, NULL, NULL));
-
-	ret= PyCFunction_New(&func_meth, self);
-	Py_DECREF(self);
-
-	return ret;
+	BPy_FunctionRNA* pyfunc= (BPy_FunctionRNA *) PyObject_NEW(BPy_FunctionRNA, &pyrna_func_Type);
+	pyfunc->ptr= *ptr;
+	pyfunc->func= func;
+	return (PyObject *)pyfunc;
 }
 
 
-
 static int pyrna_py_to_prop(PointerRNA *ptr, PropertyRNA *prop, void *data, PyObject *value, const char *error_prefix)
 {
 	/* XXX hard limits should be checked here */
@@ -3001,7 +2990,7 @@ static PyObject *pyrna_struct_getattro(BPy_StructRNA *self, PyObject *pyname)
 	}
 	/* RNA function only if callback is declared (no optional functions) */
 	else if ((func= RNA_struct_find_function(&self->ptr, name)) && RNA_function_defined(func)) {
-		ret= pyrna_func_to_py((BPy_DummyPointerRNA *)self, func);
+		ret= pyrna_func_to_py(&self->ptr, func);
 	}
 	else if (self->ptr.type == &RNA_Context) {
 		bContext *C= self->ptr.data;
@@ -3262,11 +3251,15 @@ static PyObject *pyrna_prop_dir(BPy_PropertyRNA *self)
 	 * */
 	ret= PyList_New(0);
 
-	if (!BPy_PropertyRNA_CheckExact(self))
+	if (!BPy_PropertyRNA_CheckExact(self)) {
 		pyrna_dir_members_py(ret, (PyObject *)self);
+	}
 
-	if(RNA_property_collection_type_get(&self->ptr, self->prop, &r_ptr))
-		pyrna_dir_members_rna(ret, &r_ptr);
+	if(RNA_property_type(self->prop) == PROP_COLLECTION) {
+		if(RNA_property_collection_type_get(&self->ptr, self->prop, &r_ptr)) {
+			pyrna_dir_members_rna(ret, &r_ptr);
+		}
+	}
 
 	return ret;
 }
@@ -3299,7 +3292,7 @@ static PyObject *pyrna_prop_collection_getattro(BPy_PropertyRNA *self, PyObject
 			}
 			else if ((func= RNA_struct_find_function(&r_ptr, name))) {
 				PyObject *self_collection= pyrna_struct_CreatePyObject(&r_ptr);
-				ret= pyrna_func_to_py((BPy_DummyPointerRNA *)self_collection, func);
+				ret= pyrna_func_to_py(&((BPy_DummyPointerRNA *)self_collection)->ptr, func);
 				Py_DECREF(self_collection);
 
 				return ret;
@@ -4253,11 +4246,11 @@ static PyObject *pyrna_param_to_py(PointerRNA *ptr, PropertyRNA *prop, void *dat
 	return ret;
 }
 
-static PyObject *pyrna_func_call(PyObject *self, PyObject *args, PyObject *kw)
+static PyObject *pyrna_func_call(BPy_FunctionRNA *self, PyObject *args, PyObject *kw)
 {
 	/* Note, both BPy_StructRNA and BPy_PropertyRNA can be used here */
-	PointerRNA *self_ptr= &(((BPy_DummyPointerRNA *)PyTuple_GET_ITEM(self, 0))->ptr);
-	FunctionRNA *self_func= PyCapsule_GetPointer(PyTuple_GET_ITEM(self, 1), NULL);
+	PointerRNA *self_ptr= &self->ptr;
+	FunctionRNA *self_func= self->func;
 
 	PointerRNA funcptr;
 	ParameterList parms;
@@ -5041,6 +5034,91 @@ static PyTypeObject pyrna_prop_collection_idprop_Type= {
 	NULL
 };
 
+/*-----------------------BPy_PropertyRNA method def------------------------------*/
+PyTypeObject pyrna_func_Type= {
+	PyVarObject_HEAD_INIT(NULL, 0)
+	"bpy_func",		/* tp_name */
+	sizeof(BPy_FunctionRNA),			/* tp_basicsize */
+	0,			/* tp_itemsize */
+	/* methods */
+	NULL,						/* tp_dealloc */
+	NULL,						/* printfunc tp_print; */
+	NULL,						/* getattrfunc tp_getattr; */
+	NULL,                       /* setattrfunc tp_setattr; */
+	NULL,						/* tp_compare */ /* DEPRECATED in python 3.0! */
+	(reprfunc) pyrna_func_repr,	/* tp_repr */
+
+	/* Method suites for standard classes */
+
+	NULL,                       /* PyNumberMethods *tp_as_number; */
+	NULL,						/* PySequenceMethods *tp_as_sequence; */
+	NULL,						/* PyMappingMethods *tp_as_mapping; */
+
+	/* More standard operations (here for binary compatibility) */
+
+	NULL,						/* hashfunc tp_hash; */
+	(ternaryfunc)pyrna_func_call,            /* ternaryfunc tp_call; */
+	NULL,						/* reprfunc tp_str; */
+
+	/* will only use these if this is a subtype of a py class */
+	NULL,						/* getattrofunc tp_getattro; */
+	NULL,						/* setattrofunc tp_setattro; */
+
+	/* Functions to access object as input/output buffer */
+	NULL,                       /* PyBufferProcs *tp_as_buffer; */
+
+  /*** Flags to define presence of optional/expanded features ***/
+	Py_TPFLAGS_DEFAULT,         /* long tp_flags; */
+
+	NULL,						/*  char *tp_doc;  Documentation string */
+  /*** Assigned meaning in release 2.0 ***/
+	/* call function for all accessible objects */
+	NULL,                       /* traverseproc tp_traverse; */
+
+	/* delete references to contained objects */
+	NULL,                       /* inquiry tp_clear; */
+
+  /***  Assigned meaning in release 2.1 ***/
+  /*** rich comparisons ***/
+	NULL,						/* richcmpfunc tp_richcompare; */
+
+  /***  weak reference enabler ***/
+#ifdef USE_WEAKREFS
+	offsetof(BPy_PropertyRNA, in_weakreflist),	/* long tp_weaklistoffset; */
+#else
+	0,
+#endif
+
+  /*** Added in release 2.2 ***/
+	/*   Iterators */
+	NULL,						/* getiterfunc tp_iter; */
+	NULL,                       /* iternextfunc tp_iternext; */
+
+  /*** Attribute descriptor and subclassing stuff ***/
+	NULL,						/* struct PyMethodDef *tp_methods; */
+	NULL,                       /* struct PyMemberDef *tp_members; */
+	NULL,				      	/* struct PyGetSetDef *tp_getset; */
+	NULL,                       /* struct _typeobject *tp_base; */
+	NULL,                       /* PyObject *tp_dict; */
+	NULL,                       /* descrgetfunc tp_descr_get; */
+	NULL,                       /* descrsetfunc tp_descr_set; */
+	0,                          /* long tp_dictoffset; */
+	NULL,                       /* initproc tp_init; */
+	NULL,                       /* allocfunc tp_alloc; */
+	NULL,						/* newfunc tp_new; */
+	/*  Low-level free-memory routine */
+	NULL,                       /* freefunc tp_free;  */
+	/* For PyObject_IS_GC */
+	NULL,                       /* inquiry tp_is_gc;  */
+	NULL,                       /* PyObject *tp_bases; */
+	/* method resolution order */
+	NULL,                       /* PyObject *tp_mro;  */
+	NULL,                       /* PyObject *tp_cache; */
+	NULL,                       /* PyObject *tp_subclasses; */
+	NULL,                       /* PyObject *tp_weaklist; */
+	NULL
+};
+
 #ifdef USE_PYRNA_ITER
 /* --- collection iterator: start --- */
 /* wrap rna collection iterator functions */
@@ -5419,7 +5497,9 @@ PyObject *pyrna_struct_CreatePyObject(PointerRNA *ptr)
 	}
 
 	pyrna->ptr= *ptr;
+#ifdef PYRNA_FREE_SUPPORT
 	pyrna->freeptr= FALSE;
+#endif
 
 #ifdef USE_PYRNA_STRUCT_REFERENCE
 	pyrna->reference= NULL;
@@ -5512,6 +5592,9 @@ void BPY_rna_init(void)
 	if(PyType_Ready(&pyrna_prop_collection_idprop_Type) < 0)
 		return;
 
+	if(PyType_Ready(&pyrna_func_Type) < 0)
+		return;
+
 #ifdef USE_PYRNA_ITER
 	if(PyType_Ready(&pyrna_prop_collection_iter_Type) < 0)
 		return;
@@ -6407,7 +6490,9 @@ PyDoc_STRVAR(pyrna_register_class_doc,
 "   If the class has a *register* class method it will be called\n"
 "   before registration.\n"
 "\n"
-"   .. note:: :exc:`ValueError` exception is raised if the class is not a\n"
+"   .. note::\n"
+"\n"
+"      :exc:`ValueError` exception is raised if the class is not a\n"
 "      subclass of a registerable blender class.\n"
 "\n"
 );
diff --git a/source/blender/python/intern/bpy_rna.h b/source/blender/python/intern/bpy_rna.h
index 5db352af53d..30f6c02115a 100644
--- a/source/blender/python/intern/bpy_rna.h
+++ b/source/blender/python/intern/bpy_rna.h
@@ -62,6 +62,11 @@
 #if defined(USE_PYRNA_INVALIDATE_GC) && defined(USE_PYRNA_INVALIDATE_WEAKREF)
 #error "Only 1 reference check method at a time!"
 #endif
+
+/* only used by operator introspection get_rna(), this is only used for doc gen
+ * so prefer the leak to the memory bloat for now. */
+// #define PYRNA_FREE_SUPPORT
+
 /* --- end bpy build options --- */
 
 struct ID;
@@ -71,6 +76,7 @@ extern PyTypeObject pyrna_struct_Type;
 extern PyTypeObject pyrna_prop_Type;
 extern PyTypeObject pyrna_prop_array_Type;
 extern PyTypeObject pyrna_prop_collection_Type;
+extern PyTypeObject pyrna_func_Type;
 
 #define BPy_StructRNA_Check(v)			(PyObject_TypeCheck(v, &pyrna_struct_Type))
 #define BPy_StructRNA_CheckExact(v)		(Py_TYPE(v) == &pyrna_struct_Type)
@@ -107,7 +113,10 @@ typedef struct {
 	 * hold onto the collection iterator to prevent it from freeing allocated data we may use */
 	PyObject *reference;
 #endif /* !USE_PYRNA_STRUCT_REFERENCE */
+
+#ifdef PYRNA_FREE_SUPPORT
 	int freeptr; /* needed in some cases if ptr.data is created on the fly, free when deallocing */
+#endif /* PYRNA_FREE_SUPPORT */
 } BPy_StructRNA;
 
 typedef struct {
@@ -142,6 +151,15 @@ typedef struct {
 	CollectionPropertyIterator iter;
 } BPy_PropertyCollectionIterRNA;
 
+typedef struct {
+	PyObject_HEAD /* required python macro   */
+#ifdef USE_WEAKREFS
+	PyObject *in_weakreflist;
+#endif
+	PointerRNA ptr;
+	FunctionRNA *func;
+} BPy_FunctionRNA;
+
 /* cheap trick */
 #define BPy_BaseTypeRNA BPy_PropertyRNA
 
diff --git a/source/blender/render/intern/source/rendercore.c b/source/blender/render/intern/source/rendercore.c
index a7e19c8db4f..c08d6c0f456 100644
--- a/source/blender/render/intern/source/rendercore.c
+++ b/source/blender/render/intern/source/rendercore.c
@@ -730,7 +730,7 @@ static void atm_tile(RenderPart *pa, RenderLayer *rl)
 	
 	if(zpass==NULL) return;
 
-	/* check for at least one sun lamp that its atmosphere flag is is enabled */
+	/* check for at least one sun lamp that its atmosphere flag is enabled */
 	for(go=R.lights.first; go; go= go->next) {
 		lar= go->lampren;
 		if(lar->type==LA_SUN && lar->sunsky && (lar->sunsky->effect_type & LA_SUN_EFFECT_AP))
diff --git a/source/blender/windowmanager/CMakeLists.txt b/source/blender/windowmanager/CMakeLists.txt
index 20ac3ba7077..dc83e29b497 100644
--- a/source/blender/windowmanager/CMakeLists.txt
+++ b/source/blender/windowmanager/CMakeLists.txt
@@ -67,6 +67,7 @@ set(SRC
 	intern/wm_window.c
 
 	WM_api.h
+	WM_keymap.h
 	WM_types.h
 	wm.h
 	wm_cursors.h
diff --git a/source/blender/windowmanager/WM_api.h b/source/blender/windowmanager/WM_api.h
index fc41c2b37a1..e9fee4d0ac2 100644
--- a/source/blender/windowmanager/WM_api.h
+++ b/source/blender/windowmanager/WM_api.h
@@ -41,6 +41,7 @@
 
 /* dna-savable wmStructs here */
 #include "DNA_windowmanager_types.h"
+#include "WM_keymap.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -115,50 +116,9 @@ void		WM_paint_cursor_end(struct wmWindowManager *wm, void *handle);
 
 void		WM_cursor_warp		(struct wmWindow *win, int x, int y);
 
-			/* keyconfig and keymap */
-wmKeyConfig *WM_keyconfig_new	(struct wmWindowManager *wm, const char *idname);
-wmKeyConfig *WM_keyconfig_new_user(struct wmWindowManager *wm, const char *idname);
-void 		WM_keyconfig_remove	(struct wmWindowManager *wm, struct wmKeyConfig *keyconf);
-void 		WM_keyconfig_free	(struct wmKeyConfig *keyconf);
-void		WM_keyconfig_userdef(void);
-
-void		WM_keymap_init		(struct bContext *C);
-void		WM_keymap_free		(struct wmKeyMap *keymap);
-
-wmKeyMapItem *WM_keymap_verify_item(struct wmKeyMap *keymap, const char *idname, int type, 
-								 int val, int modifier, int keymodifier);
-wmKeyMapItem *WM_keymap_add_item(struct wmKeyMap *keymap, const char *idname, int type, 
-								 int val, int modifier, int keymodifier);
-wmKeyMapItem *WM_keymap_add_menu(struct wmKeyMap *keymap, const char *idname, int type,
-								 int val, int modifier, int keymodifier);
-
-void		WM_keymap_remove_item(struct wmKeyMap *keymap, struct wmKeyMapItem *kmi);
-char		 *WM_keymap_item_to_string(wmKeyMapItem *kmi, char *str, int len);
-
-wmKeyMap	*WM_keymap_list_find(ListBase *lb, const char *idname, int spaceid, int regionid);
-wmKeyMap	*WM_keymap_find(struct wmKeyConfig *keyconf, const char *idname, int spaceid, int regionid);
-wmKeyMap	*WM_keymap_find_all(const struct bContext *C, const char *idname, int spaceid, int regionid);
-wmKeyMap	*WM_keymap_active(struct wmWindowManager *wm, struct wmKeyMap *keymap);
-wmKeyMap	*WM_keymap_guess_opname(const struct bContext *C, const char *opname);
-int			 WM_keymap_user_init(struct wmWindowManager *wm, struct wmKeyMap *keymap);
-wmKeyMap	*WM_keymap_copy_to_user(struct wmKeyMap *keymap);
-void		WM_keymap_restore_to_default(struct wmKeyMap *keymap);
-void		WM_keymap_properties_reset(struct wmKeyMapItem *kmi, struct IDProperty *properties);
-void		WM_keymap_restore_item_to_default(struct bContext *C, struct wmKeyMap *keymap, struct wmKeyMapItem *kmi);
-
-wmKeyMapItem *WM_keymap_item_find_id(struct wmKeyMap *keymap, int id);
-int			WM_keymap_item_compare(struct wmKeyMapItem *k1, struct wmKeyMapItem *k2);
+			/* event map */
 int			WM_userdef_event_map(int kmitype);
 
-wmKeyMap	*WM_modalkeymap_add(struct wmKeyConfig *keyconf, const char *idname, struct EnumPropertyItem *items);
-wmKeyMap	*WM_modalkeymap_get(struct wmKeyConfig *keyconf, const char *idname);
-wmKeyMapItem *WM_modalkeymap_add_item(struct wmKeyMap *km, int type, int val, int modifier, int keymodifier, int value);
-void		WM_modalkeymap_assign(struct wmKeyMap *km, const char *opname);
-
-const char	*WM_key_event_string(short type);
-int			WM_key_event_operator_id(const struct bContext *C, const char *opname, int opcontext, struct IDProperty *properties, int hotkey, struct wmKeyMap **keymap_r);
-char		*WM_key_event_operator_string(const struct bContext *C, const char *opname, int opcontext, struct IDProperty *properties, char *str, int len);
-
 			/* handlers */
 
 struct wmEventHandler *WM_event_add_keymap_handler(ListBase *handlers, wmKeyMap *keymap);
diff --git a/source/blender/windowmanager/WM_keymap.h b/source/blender/windowmanager/WM_keymap.h
new file mode 100644
index 00000000000..e00cd288c9a
--- /dev/null
+++ b/source/blender/windowmanager/WM_keymap.h
@@ -0,0 +1,104 @@
+/*
+ * $Id$
+ *
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version. 
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2007 Blender Foundation.
+ * All rights reserved.
+ * 
+ * Contributor(s): Blender Foundation
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef WM_KEYMAP_H
+#define WM_KEYMAP_H
+
+/** \file WM_keymap.h
+ *  \ingroup wm
+ */
+
+/* dna-savable wmStructs here */
+#include "DNA_windowmanager_types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct EnumPropertyItem;
+
+/* Key Configuration */
+
+wmKeyConfig *WM_keyconfig_new	(struct wmWindowManager *wm, const char *idname);
+wmKeyConfig *WM_keyconfig_new_user(struct wmWindowManager *wm, const char *idname);
+void 		WM_keyconfig_remove	(struct wmWindowManager *wm, struct wmKeyConfig *keyconf);
+void 		WM_keyconfig_free	(struct wmKeyConfig *keyconf);
+
+void		WM_keyconfig_set_active(struct wmWindowManager *wm, const char *idname);
+
+void		WM_keyconfig_update(struct wmWindowManager *wm);
+void		WM_keyconfig_update_tag(struct wmKeyMap *keymap, struct wmKeyMapItem *kmi);
+
+/* Keymap */
+
+void		WM_keymap_init		(struct bContext *C);
+void		WM_keymap_free		(struct wmKeyMap *keymap);
+
+wmKeyMapItem *WM_keymap_verify_item(struct wmKeyMap *keymap, const char *idname, int type, 
+								 int val, int modifier, int keymodifier);
+wmKeyMapItem *WM_keymap_add_item(struct wmKeyMap *keymap, const char *idname, int type, 
+								 int val, int modifier, int keymodifier);
+wmKeyMapItem *WM_keymap_add_menu(struct wmKeyMap *keymap, const char *idname, int type,
+								 int val, int modifier, int keymodifier);
+
+void		WM_keymap_remove_item(struct wmKeyMap *keymap, struct wmKeyMapItem *kmi);
+char		 *WM_keymap_item_to_string(wmKeyMapItem *kmi, char *str, int len);
+
+wmKeyMap	*WM_keymap_list_find(ListBase *lb, const char *idname, int spaceid, int regionid);
+wmKeyMap	*WM_keymap_find(struct wmKeyConfig *keyconf, const char *idname, int spaceid, int regionid);
+wmKeyMap	*WM_keymap_find_all(const struct bContext *C, const char *idname, int spaceid, int regionid);
+wmKeyMap	*WM_keymap_active(struct wmWindowManager *wm, struct wmKeyMap *keymap);
+wmKeyMap	*WM_keymap_guess_opname(const struct bContext *C, const char *opname);
+
+wmKeyMapItem *WM_keymap_item_find_id(struct wmKeyMap *keymap, int id);
+int			WM_keymap_item_compare(struct wmKeyMapItem *k1, struct wmKeyMapItem *k2);
+
+/* Modal Keymap */
+
+wmKeyMap	*WM_modalkeymap_add(struct wmKeyConfig *keyconf, const char *idname, struct EnumPropertyItem *items);
+wmKeyMap	*WM_modalkeymap_get(struct wmKeyConfig *keyconf, const char *idname);
+wmKeyMapItem *WM_modalkeymap_add_item(struct wmKeyMap *km, int type, int val, int modifier, int keymodifier, int value);
+void		WM_modalkeymap_assign(struct wmKeyMap *km, const char *opname);
+
+/* Keymap Editor */
+
+void		WM_keymap_restore_to_default(struct wmKeyMap *keymap, struct bContext *C);
+void		WM_keymap_properties_reset(struct wmKeyMapItem *kmi, struct IDProperty *properties);
+void		WM_keymap_restore_item_to_default(struct bContext *C, struct wmKeyMap *keymap, struct wmKeyMapItem *kmi);
+
+/* Key Event */
+
+const char	*WM_key_event_string(short type);
+int			WM_key_event_operator_id(const struct bContext *C, const char *opname, int opcontext, struct IDProperty *properties, int hotkey, struct wmKeyMap **keymap_r);
+char		*WM_key_event_operator_string(const struct bContext *C, const char *opname, int opcontext, struct IDProperty *properties, char *str, int len);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* WM_KEYMAP_H */
+
diff --git a/source/blender/windowmanager/WM_types.h b/source/blender/windowmanager/WM_types.h
index 49bd3ede37d..697133bb163 100644
--- a/source/blender/windowmanager/WM_types.h
+++ b/source/blender/windowmanager/WM_types.h
@@ -377,6 +377,32 @@ typedef struct wmTabletData {
 	float Ytilt;		/* as above */
 } wmTabletData;
 
+typedef enum { // motion progress, for modal handlers
+	P_NOT_STARTED,
+	P_STARTING,    // <--
+	P_IN_PROGRESS, // <-- only these are sent for NDOF motion
+	P_FINISHING,   // <--
+	P_FINISHED
+	} wmProgress;
+
+typedef struct wmNDOFMotionData {
+	/* awfully similar to GHOST_TEventNDOFMotionData... */
+	// Each component normally ranges from -1 to +1, but can exceed that.
+	// These use blender standard view coordinates, with positive rotations being CCW about the axis.
+	union {
+		float tvec[3]; // translation
+		struct { float tx, ty, tz; };
+		};
+	union {
+		float rvec[3]; // rotation:
+		struct { float rx, ry, rz; };
+		};
+		// axis = (rx,ry,rz).normalized
+		// amount = (rx,ry,rz).magnitude [in revolutions, 1.0 = 360 deg]
+	float dt; // time since previous NDOF Motion event
+	wmProgress progress; // is this the first event, the last, or one of many in between?
+} wmNDOFMotionData;
+
 typedef struct wmTimer {
 	struct wmTimer *next, *prev;
 	
diff --git a/source/blender/windowmanager/intern/wm.c b/source/blender/windowmanager/intern/wm.c
index a535c0bc1f8..1d5cf1cdc53 100644
--- a/source/blender/windowmanager/intern/wm.c
+++ b/source/blender/windowmanager/intern/wm.c
@@ -210,12 +210,18 @@ void WM_keymap_init(bContext *C)
 
 	if(!wm->defaultconf)
 		wm->defaultconf= WM_keyconfig_new(wm, "Blender");
+	if(!wm->addonconf)
+		wm->addonconf= WM_keyconfig_new(wm, "Blender Addon");
+	if(!wm->userconf)
+		wm->userconf= WM_keyconfig_new(wm, "Blender User");
 	
-	if(wm && CTX_py_init_get(C) && (wm->initialized & WM_INIT_KEYMAP) == 0) {
+	if(CTX_py_init_get(C) && (wm->initialized & WM_INIT_KEYMAP) == 0) {
 		/* create default key config */
 		wm_window_keymap(wm->defaultconf);
 		ED_spacetypes_keymap(wm->defaultconf);
-		WM_keyconfig_userdef();
+
+		WM_keyconfig_update_tag(NULL, NULL);
+		WM_keyconfig_update(wm);
 
 		wm->initialized |= WM_INIT_KEYMAP;
 	}
diff --git a/source/blender/windowmanager/intern/wm_event_system.c b/source/blender/windowmanager/intern/wm_event_system.c
index ce3830b059c..413ff181f11 100644
--- a/source/blender/windowmanager/intern/wm_event_system.c
+++ b/source/blender/windowmanager/intern/wm_event_system.c
@@ -1735,6 +1735,9 @@ void wm_event_do_handlers(bContext *C)
 	wmWindowManager *wm= CTX_wm_manager(C);
 	wmWindow *win;
 
+	/* update key configuration before handling events */
+	WM_keyconfig_update(wm);
+
 	for(win= wm->windows.first; win; win= win->next) {
 		wmEvent *event;
 		
@@ -1815,7 +1818,10 @@ void wm_event_do_handlers(bContext *C)
 					/* for regions having custom cursors */
 					wm_paintcursor_test(C, event);
 				}
-				
+				else if (event->type==NDOF_MOTION) {
+					win->addmousemove = TRUE;
+				}
+
 				for(sa= win->screen->areabase.first; sa; sa= sa->next) {
 					if(wm_event_inside_i(event, &sa->totrct)) {
 						CTX_wm_area_set(C, sa);
@@ -1879,7 +1885,10 @@ void wm_event_do_handlers(bContext *C)
 				if(doit && win->screen && win->screen->subwinactive != win->screen->mainwin) {
 					win->eventstate->prevx= event->x;
 					win->eventstate->prevy= event->y;
+					//printf("win->eventstate->prev = %d %d\n", event->x, event->y);
 				}
+				else
+					;//printf("not setting prev to %d %d\n", event->x, event->y);
 			}
 			
 			/* store last event for this window */
@@ -1922,6 +1931,7 @@ void wm_event_do_handlers(bContext *C)
 		/* only add mousemove when queue was read entirely */
 		if(win->addmousemove && win->eventstate) {
 			wmEvent tevent= *(win->eventstate);
+			//printf("adding MOUSEMOVE %d %d\n", tevent.x, tevent.y);
 			tevent.type= MOUSEMOVE;
 			tevent.prevx= tevent.x;
 			tevent.prevy= tevent.y;
@@ -1931,6 +1941,9 @@ void wm_event_do_handlers(bContext *C)
 		
 		CTX_wm_window_set(C, NULL);
 	}
+
+	/* update key configuration after handling events */
+	WM_keyconfig_update(wm);
 }
 
 /* ********** filesector handling ************ */
@@ -2309,6 +2322,50 @@ static void update_tablet_data(wmWindow *win, wmEvent *event)
 	} 
 }
 
+/* adds customdata to event */
+static void attach_ndof_data(wmEvent* event, const GHOST_TEventNDOFMotionData* ghost)
+{
+	wmNDOFMotionData* data = MEM_mallocN(sizeof(wmNDOFMotionData), "customdata NDOF");
+
+	const float s = U.ndof_sensitivity;
+
+	data->tx = s * ghost->tx;
+
+	data->rx = s * ghost->rx;
+	data->ry = s * ghost->ry;
+	data->rz = s * ghost->rz;
+
+	if (U.ndof_flag & NDOF_ZOOM_UPDOWN)
+		{
+		/* rotate so Y is where Z was */
+		data->ty = s * ghost->tz;
+		data->tz = s * ghost->ty;
+		/* maintain handed-ness? or just do what feels right? */
+
+		/* should this affect rotation also?
+		 * initial guess is 'yes', but get user feedback immediately!
+		 */
+#if 0
+		/* after turning this on, my guess becomes 'no' */
+		data->ry = s * ghost->rz;
+		data->rz = s * ghost->ry;
+#endif
+		}
+	else
+		{
+		data->ty = s * ghost->ty;
+		data->tz = s * ghost->tz;
+		}
+
+	data->dt = ghost->dt;
+
+	data->progress = (wmProgress) ghost->progress;
+
+	event->custom = EVT_DATA_NDOF_MOTION;
+	event->customdata = data;
+	event->customdatafree = 1;
+}
+
 /* imperfect but probably usable... draw/enable drags to other windows */
 static wmWindow *wm_event_cursor_other_windows(wmWindowManager *wm, wmWindow *win, wmEvent *evt)
 {
@@ -2355,7 +2412,7 @@ void wm_event_add_ghostevent(wmWindowManager *wm, wmWindow *win, int type, int U
 {
 	wmWindow *owin;
 	wmEvent event, *evt= win->eventstate;
-	
+
 	/* initialize and copy state (only mouse x y and modifiers) */
 	event= *evt;
 	
@@ -2384,6 +2441,8 @@ void wm_event_add_ghostevent(wmWindowManager *wm, wmWindow *win, int type, int U
 
 				update_tablet_data(win, &event);
 				wm_event_add(win, &event);
+
+				//printf("sending MOUSEMOVE %d %d\n", event.x, event.y);
 				
 				/* also add to other window if event is there, this makes overdraws disappear nicely */
 				/* it remaps mousecoord to other window in event */
@@ -2557,6 +2616,38 @@ void wm_event_add_ghostevent(wmWindowManager *wm, wmWindow *win, int type, int U
 			break;
 		}
 
+		case GHOST_kEventNDOFMotion: {
+			event.type = NDOF_MOTION;
+			attach_ndof_data(&event, customdata);
+			wm_event_add(win, &event);
+
+			//printf("sending NDOF_MOTION, prev = %d %d\n", event.x, event.y);
+
+			break;
+		}
+
+		case GHOST_kEventNDOFButton: {
+			GHOST_TEventNDOFButtonData* e = customdata;
+
+			event.type = NDOF_BUTTON_NONE + e->button;
+
+			switch (e->action) {
+				case GHOST_kPress:
+					event.val = KM_PRESS;
+					break;
+				case GHOST_kRelease:
+					event.val = KM_RELEASE;
+					break;
+				}
+
+			event.custom = 0;
+			event.customdata = NULL;
+
+			wm_event_add(win, &event);
+
+			break;
+		}
+
 		case GHOST_kEventUnknown:
 		case GHOST_kNumEventTypes:
 			break;
diff --git a/source/blender/windowmanager/intern/wm_files.c b/source/blender/windowmanager/intern/wm_files.c
index d69aa8c1c4c..ce959a7e870 100644
--- a/source/blender/windowmanager/intern/wm_files.c
+++ b/source/blender/windowmanager/intern/wm_files.c
@@ -226,6 +226,14 @@ static void wm_window_match_do(bContext *C, ListBase *oldwmlist)
 			oldwm= oldwmlist->first;
 			wm= G.main->wm.first;
 
+			/* move addon key configuration to new wm, to preserve their keymaps */
+			if(oldwm->addonconf) {
+				wm->addonconf= oldwm->addonconf;
+				BLI_remlink(&oldwm->keyconfigs, oldwm->addonconf);
+				oldwm->addonconf= NULL;
+				BLI_addtail(&wm->keyconfigs, wm->addonconf);
+			}
+
 			/* ensure making new keymaps and set space types */
 			wm->initialized= 0;
 			wm->winactive= NULL;
@@ -801,11 +809,14 @@ int WM_write_homefile(bContext *C, wmOperator *op)
 	wmWindow *win= CTX_wm_window(C);
 	char filepath[FILE_MAXDIR+FILE_MAXFILE];
 	int fileflags;
-	
+
 	/* check current window and close it if temp */
 	if(win->screen->temp)
 		wm_window_close(C, wm, win);
 	
+	/* update keymaps in user preferences */
+	WM_keyconfig_update(wm);
+	
 	BLI_make_file_string("/", filepath, BLI_get_folder_create(BLENDER_USER_CONFIG, NULL), BLENDER_STARTUP_FILE);
 	printf("trying to save homefile at %s ", filepath);
 	
diff --git a/source/blender/windowmanager/intern/wm_init_exit.c b/source/blender/windowmanager/intern/wm_init_exit.c
index daaaee771fd..52a80ffa92b 100644
--- a/source/blender/windowmanager/intern/wm_init_exit.c
+++ b/source/blender/windowmanager/intern/wm_init_exit.c
@@ -163,7 +163,8 @@ void WM_init(bContext *C, int argc, const char **argv)
 	BPY_python_start(argc, argv);
 
 	BPY_driver_reset();
-	BPY_app_handlers_reset();
+	BPY_app_handlers_reset(); /* causes addon callbacks to be freed [#28068],
+	                           * but this is actually what we want. */
 	BPY_modules_load_user(C);
 #else
 	(void)argc; /* unused */
@@ -190,8 +191,6 @@ void WM_init(bContext *C, int argc, const char **argv)
 		
 	ED_preview_init_dbase();
 	
-	G.ndofdevice = -1;	/* XXX bad initializer, needs set otherwise buttons show! */
-	
 	WM_read_history();
 
 	/* allow a path of "", this is what happens when making a new file */
diff --git a/source/blender/windowmanager/intern/wm_keymap.c b/source/blender/windowmanager/intern/wm_keymap.c
index 1720c738dd7..2fb0a1b2ab9 100644
--- a/source/blender/windowmanager/intern/wm_keymap.c
+++ b/source/blender/windowmanager/intern/wm_keymap.c
@@ -61,14 +61,67 @@
 #include "wm_event_system.h"
 #include "wm_event_types.h"
 
-/* ********************* key config ***********************/
+/******************************* Keymap Item **********************************
+ * Item in a keymap, that maps from an event to an operator or modal map item */
 
-static void keymap_properties_set(wmKeyMapItem *kmi)
+static wmKeyMapItem *wm_keymap_item_copy(wmKeyMapItem *kmi)
+{
+	wmKeyMapItem *kmin = MEM_dupallocN(kmi);
+
+	kmin->prev= kmin->next= NULL;
+	kmin->flag &= ~KMI_UPDATE;
+
+	if(kmin->properties) {
+		kmin->ptr= MEM_callocN(sizeof(PointerRNA), "UserKeyMapItemPtr");
+		WM_operator_properties_create(kmin->ptr, kmin->idname);
+
+		kmin->properties= IDP_CopyProperty(kmin->properties);
+		kmin->ptr->data= kmin->properties;
+	}
+
+	return kmin;
+}
+
+static void wm_keymap_item_free(wmKeyMapItem *kmi)
+{
+	/* not kmi itself */
+	if(kmi->ptr) {
+		WM_operator_properties_free(kmi->ptr);
+		MEM_freeN(kmi->ptr);
+	}
+}
+
+static void wm_keymap_item_properties_set(wmKeyMapItem *kmi)
 {
 	WM_operator_properties_alloc(&(kmi->ptr), &(kmi->properties), kmi->idname);
 	WM_operator_properties_sanitize(kmi->ptr, 1);
 }
 
+static int wm_keymap_item_equals_result(wmKeyMapItem *a, wmKeyMapItem *b)
+{
+	if(strcmp(a->idname, b->idname) != 0)
+		return 0;
+	
+	if(!((a->ptr==NULL && b->ptr==NULL) ||
+	     (a->ptr && b->ptr && IDP_EqualsProperties(a->ptr->data, b->ptr->data))))
+		return 0;
+	
+	return (a->propvalue == b->propvalue);
+}
+
+static int wm_keymap_item_equals(wmKeyMapItem *a, wmKeyMapItem *b)
+{
+	return (wm_keymap_item_equals_result(a, b) &&
+	        a->type == b->type &&
+	        a->val == b->val &&
+	        a->shift == b->shift &&
+	        a->ctrl == b->ctrl &&
+	        a->alt == b->alt &&
+	        a->oskey == b->oskey &&
+	        a->keymodifier == b->keymodifier &&
+	        a->maptype == b->maptype);
+}
+
 /* properties can be NULL, otherwise the arg passed is used and ownership is given to the kmi */
 void WM_keymap_properties_reset(wmKeyMapItem *kmi, struct IDProperty *properties)
 {
@@ -78,9 +131,41 @@ void WM_keymap_properties_reset(wmKeyMapItem *kmi, struct IDProperty *properties
 	kmi->ptr = NULL;
 	kmi->properties = properties;
 
-	keymap_properties_set(kmi);
+	wm_keymap_item_properties_set(kmi);
+}
+
+/**************************** Keymap Diff Item *********************************
+ * Item in a diff keymap, used for saving diff of keymaps in user preferences */
+
+static wmKeyMapDiffItem *wm_keymap_diff_item_copy(wmKeyMapDiffItem *kmdi)
+{
+	wmKeyMapDiffItem *kmdin = MEM_dupallocN(kmdi);
+
+	kmdin->next = kmdin->prev = NULL;
+	if(kmdi->add_item)
+		kmdin->add_item = wm_keymap_item_copy(kmdi->add_item);
+	if(kmdi->remove_item)
+		kmdin->remove_item = wm_keymap_item_copy(kmdi->remove_item);
+	
+	return kmdin;
+}
+
+static void wm_keymap_diff_item_free(wmKeyMapDiffItem *kmdi)
+{
+	if(kmdi->remove_item) {
+		wm_keymap_item_free(kmdi->remove_item);
+		MEM_freeN(kmdi->remove_item);
+	}
+	if(kmdi->add_item) {
+		wm_keymap_item_free(kmdi->add_item);
+		MEM_freeN(kmdi->add_item);
+	}
 }
 
+/***************************** Key Configuration ******************************
+ * List of keymaps for all editors, modes, ... . There is a builtin default key
+ * configuration, a user key configuration, and other preset configurations. */
+
 wmKeyConfig *WM_keyconfig_new(wmWindowManager *wm, const char *idname)
 {
 	wmKeyConfig *keyconf;
@@ -106,6 +191,7 @@ void WM_keyconfig_remove(wmWindowManager *wm, wmKeyConfig *keyconf)
 	if (keyconf) {
 		if (strncmp(U.keyconfigstr, keyconf->idname, sizeof(U.keyconfigstr)) == 0) {
 			BLI_strncpy(U.keyconfigstr, wm->defaultconf->idname, sizeof(U.keyconfigstr));
+			WM_keyconfig_update_tag(NULL, NULL);
 		}
 
 		BLI_remlink(&wm->keyconfigs, keyconf);
@@ -125,21 +211,6 @@ void WM_keyconfig_free(wmKeyConfig *keyconf)
 	MEM_freeN(keyconf);
 }
 
-void WM_keyconfig_userdef(void)
-{
-	wmKeyMap *km;
-	wmKeyMapItem *kmi;
-
-	for(km=U.keymaps.first; km; km=km->next) {
-		/* modal keymaps don't have operator properties */
-		if ((km->flag & KEYMAP_MODAL) == 0) {
-			for(kmi=km->items.first; kmi; kmi=kmi->next) {
-				keymap_properties_set(kmi);
-			}
-		}
-	}
-}
-
 static wmKeyConfig *wm_keyconfig_list_find(ListBase *lb, char *idname)
 {
 	wmKeyConfig *kc;
@@ -151,23 +222,84 @@ static wmKeyConfig *wm_keyconfig_list_find(ListBase *lb, char *idname)
 	return NULL;
 }
 
-/* ************************ free ************************* */
+wmKeyConfig *WM_keyconfig_active(wmWindowManager *wm)
+{
+	wmKeyConfig *keyconf;
 
-void WM_keymap_free(wmKeyMap *keymap)
+	/* first try from preset */
+	keyconf= wm_keyconfig_list_find(&wm->keyconfigs, U.keyconfigstr);
+	if(keyconf)
+		return keyconf;
+	
+	/* otherwise use default */
+	return wm->defaultconf;
+}
+
+void WM_keyconfig_set_active(wmWindowManager *wm, const char *idname)
 {
-	wmKeyMapItem *kmi;
+	/* setting a different key configuration as active: we ensure all is
+	   updated properly before and after making the change */
+
+	WM_keyconfig_update(wm);
+
+	BLI_strncpy(U.keyconfigstr, idname, sizeof(U.keyconfigstr));
+
+	WM_keyconfig_update_tag(NULL, NULL);
+	WM_keyconfig_update(wm);
+}
+
+/********************************** Keymap *************************************
+ * List of keymap items for one editor, mode, modal operator, ... */
+
+static wmKeyMap *wm_keymap_new(const char *idname, int spaceid, int regionid)
+{
+	wmKeyMap *km= MEM_callocN(sizeof(struct wmKeyMap), "keymap list");
+
+	BLI_strncpy(km->idname, idname, KMAP_MAX_NAME);
+	km->spaceid= spaceid;
+	km->regionid= regionid;
+
+	return km;
+}
+
+static wmKeyMap *wm_keymap_copy(wmKeyMap *keymap)
+{
+	wmKeyMap *keymapn = MEM_dupallocN(keymap);
+	wmKeyMapItem *kmi, *kmin;
+	wmKeyMapDiffItem *kmdi, *kmdin;
+
+	keymapn->modal_items= keymap->modal_items;
+	keymapn->poll= keymap->poll;
+	keymapn->items.first= keymapn->items.last= NULL;
+	keymapn->flag &= ~(KEYMAP_UPDATE|KEYMAP_EXPANDED);
+
+	for(kmdi=keymap->diff_items.first; kmdi; kmdi=kmdi->next) {
+		kmdin= wm_keymap_diff_item_copy(kmdi);
+		BLI_addtail(&keymapn->items, kmdin);
+	}
 
 	for(kmi=keymap->items.first; kmi; kmi=kmi->next) {
-		if(kmi->ptr) {
-			WM_operator_properties_free(kmi->ptr);
-			MEM_freeN(kmi->ptr);
-		}
+		kmin= wm_keymap_item_copy(kmi);
+		BLI_addtail(&keymapn->items, kmin);
 	}
 
-	BLI_freelistN(&keymap->items);
+	return keymapn;
 }
 
-/* ***************** generic call, exported **************** */
+void WM_keymap_free(wmKeyMap *keymap)
+{
+	wmKeyMapItem *kmi;
+	wmKeyMapDiffItem *kmdi;
+
+	for(kmdi=keymap->diff_items.first; kmdi; kmdi=kmdi->next)
+		wm_keymap_diff_item_free(kmdi);
+
+	for(kmi=keymap->items.first; kmi; kmi=kmi->next)
+		wm_keymap_item_free(kmi);
+
+	BLI_freelistN(&keymap->diff_items);
+	BLI_freelistN(&keymap->items);
+}
 
 static void keymap_event_set(wmKeyMapItem *kmi, short type, short val, int modifier, short keymodifier)
 {
@@ -229,7 +361,7 @@ wmKeyMapItem *WM_keymap_verify_item(wmKeyMap *keymap, const char *idname, int ty
 		keymap_item_set_id(keymap, kmi);
 
 		keymap_event_set(kmi, type, val, modifier, keymodifier);
-		keymap_properties_set(kmi);
+		wm_keymap_item_properties_set(kmi);
 	}
 	return kmi;
 }
@@ -243,10 +375,12 @@ wmKeyMapItem *WM_keymap_add_item(wmKeyMap *keymap, const char *idname, int type,
 	BLI_strncpy(kmi->idname, idname, OP_MAX_TYPENAME);
 
 	keymap_event_set(kmi, type, val, modifier, keymodifier);
-	keymap_properties_set(kmi);
+	wm_keymap_item_properties_set(kmi);
 
 	keymap_item_set_id(keymap, kmi);
 
+	WM_keyconfig_update_tag(keymap, kmi);
+
 	return kmi;
 }
 
@@ -266,6 +400,232 @@ void WM_keymap_remove_item(wmKeyMap *keymap, wmKeyMapItem *kmi)
 			MEM_freeN(kmi->ptr);
 		}
 		BLI_freelinkN(&keymap->items, kmi);
+
+		WM_keyconfig_update_tag(keymap, kmi);
+	}
+}
+
+/************************** Keymap Diff and Patch ****************************
+ * Rather than saving the entire keymap for user preferences, we only save a
+ * diff so that changes in the defaults get synced. This system is not perfect
+ * but works better than overriding the keymap entirely when only few items
+ * are changed. */
+
+static void wm_keymap_addon_add(wmKeyMap *keymap, wmKeyMap *addonmap)
+{
+	wmKeyMapItem *kmi, *kmin;
+
+	for(kmi=addonmap->items.first; kmi; kmi=kmi->next) {
+		kmin = wm_keymap_item_copy(kmi);
+		keymap_item_set_id(keymap, kmin);
+		BLI_addhead(&keymap->items, kmin);
+	}
+}
+
+static wmKeyMapItem *wm_keymap_find_item_equals(wmKeyMap *km, wmKeyMapItem *needle)
+{
+	wmKeyMapItem *kmi;
+
+	for(kmi=km->items.first; kmi; kmi=kmi->next)
+		if(wm_keymap_item_equals(kmi, needle))
+			return kmi;
+	
+	return NULL;
+}
+
+static wmKeyMapItem *wm_keymap_find_item_equals_result(wmKeyMap *km, wmKeyMapItem *needle)
+{
+	wmKeyMapItem *kmi;
+
+	for(kmi=km->items.first; kmi; kmi=kmi->next)
+		if(wm_keymap_item_equals_result(kmi, needle))
+			return kmi;
+	
+	return NULL;
+}
+
+static void wm_keymap_diff(wmKeyMap *diff_km, wmKeyMap *from_km, wmKeyMap *to_km, wmKeyMap *orig_km, wmKeyMap *addon_km)
+{
+	wmKeyMapItem *kmi, *to_kmi, *orig_kmi;
+	wmKeyMapDiffItem *kmdi;
+
+	for(kmi=from_km->items.first; kmi; kmi=kmi->next) {
+		to_kmi = WM_keymap_item_find_id(to_km, kmi->id);
+
+		if(!to_kmi) {
+			/* remove item */
+			kmdi = MEM_callocN(sizeof(wmKeyMapDiffItem), "wmKeyMapDiffItem");
+			kmdi->remove_item = wm_keymap_item_copy(kmi);
+			BLI_addtail(&diff_km->diff_items, kmdi);
+		}
+		else if(to_kmi && !wm_keymap_item_equals(kmi, to_kmi)) {
+			/* replace item */
+			kmdi = MEM_callocN(sizeof(wmKeyMapDiffItem), "wmKeyMapDiffItem");
+			kmdi->remove_item = wm_keymap_item_copy(kmi);
+			kmdi->add_item = wm_keymap_item_copy(to_kmi);
+			BLI_addtail(&diff_km->diff_items, kmdi);
+		}
+
+		/* sync expanded flag back to original so we don't loose it on repatch */
+		if(to_kmi) {
+			orig_kmi = WM_keymap_item_find_id(orig_km, kmi->id);
+
+			if(!orig_kmi)
+				orig_kmi = wm_keymap_find_item_equals(addon_km, kmi);
+
+			if(orig_kmi) {
+				orig_kmi->flag &= ~KMI_EXPANDED;
+				orig_kmi->flag |= (to_kmi->flag & KMI_EXPANDED);
+			}
+		}
+	}
+
+	for(kmi=to_km->items.first; kmi; kmi=kmi->next) {
+		if(kmi->id < 0) {
+			/* add item */
+			kmdi = MEM_callocN(sizeof(wmKeyMapDiffItem), "wmKeyMapDiffItem");
+			kmdi->add_item = wm_keymap_item_copy(kmi);
+			BLI_addtail(&diff_km->diff_items, kmdi);
+		}
+	}
+}
+
+static void wm_keymap_patch(wmKeyMap *km, wmKeyMap *diff_km)
+{
+	wmKeyMapDiffItem *kmdi;
+	wmKeyMapItem *kmi_remove, *kmi_add;
+
+	for(kmdi=diff_km->diff_items.first; kmdi; kmdi=kmdi->next) {
+		/* find item to remove */
+		kmi_remove = NULL;
+		if(kmdi->remove_item) {
+			kmi_remove = wm_keymap_find_item_equals(km, kmdi->remove_item);
+			if(!kmi_remove)
+				kmi_remove = wm_keymap_find_item_equals_result(km, kmdi->remove_item);
+		}
+
+		/* add item */
+		if(kmdi->add_item) {
+			/* only if nothing to remove or item to remove found */
+			if(!kmdi->remove_item || kmi_remove) {
+				kmi_add = wm_keymap_item_copy(kmdi->add_item);
+				kmi_add->flag |= KMI_USER_MODIFIED;
+
+				if(kmi_remove) {
+					kmi_add->flag &= ~KMI_EXPANDED;
+					kmi_add->flag |= (kmi_remove->flag & KMI_EXPANDED);
+					kmi_add->id = kmi_remove->id;
+					BLI_insertlinkbefore(&km->items, kmi_remove, kmi_add);
+				}
+				else {
+					keymap_item_set_id(km, kmi_add);
+					BLI_addtail(&km->items, kmi_add);
+				}
+			}
+		}
+
+		/* remove item */
+		if(kmi_remove) {
+			wm_keymap_item_free(kmi_remove);
+			BLI_freelinkN(&km->items, kmi_remove);
+		}
+	}
+}
+
+static wmKeyMap *wm_keymap_patch_update(ListBase *lb, wmKeyMap *defaultmap, wmKeyMap *addonmap, wmKeyMap *usermap)
+{
+	wmKeyMap *km;
+	int expanded = 0;
+
+	/* remove previous keymap in list, we will replace it */
+	km = WM_keymap_list_find(lb, defaultmap->idname, defaultmap->spaceid, defaultmap->regionid);
+	if(km) {
+		expanded = (km->flag & (KEYMAP_EXPANDED|KEYMAP_CHILDREN_EXPANDED));
+		WM_keymap_free(km);
+		BLI_freelinkN(lb, km);
+	}
+
+	/* copy new keymap from an existing one */
+	if(usermap && !(usermap->flag & KEYMAP_DIFF)) {
+		/* for compatibiltiy with old user preferences with non-diff
+		   keymaps we override the original entirely */
+		wmKeyMapItem *kmi, *orig_kmi;
+
+		km = wm_keymap_copy(usermap);
+
+		/* try to find corresponding id's for items */
+		for(kmi=km->items.first; kmi; kmi=kmi->next) {
+			orig_kmi = wm_keymap_find_item_equals(defaultmap, kmi);
+			if(!orig_kmi)
+				orig_kmi = wm_keymap_find_item_equals_result(defaultmap, kmi);
+
+			if(orig_kmi)
+				kmi->id = orig_kmi->id;
+			else
+				kmi->id = -(km->kmi_id++);
+		}
+
+		km->flag |= KEYMAP_UPDATE; /* update again to create diff */
+	}
+	else
+		km = wm_keymap_copy(defaultmap);
+
+	/* add addon keymap items */
+	if(addonmap)
+		wm_keymap_addon_add(km, addonmap);
+
+	/* tag as being user edited */
+	if(usermap)
+		km->flag |= KEYMAP_USER_MODIFIED;
+	km->flag |= KEYMAP_USER|expanded;
+
+	/* apply user changes of diff keymap */
+	if(usermap && (usermap->flag & KEYMAP_DIFF))
+		wm_keymap_patch(km, usermap);
+
+	/* add to list */
+	BLI_addtail(lb, km);
+	
+	return km;
+}
+
+static void wm_keymap_diff_update(ListBase *lb, wmKeyMap *defaultmap, wmKeyMap *addonmap, wmKeyMap *km)
+{
+	wmKeyMap *diffmap, *prevmap, *origmap;
+
+	/* create temporary default + addon keymap for diff */
+	origmap = defaultmap;
+
+	if(addonmap) {
+		defaultmap = wm_keymap_copy(defaultmap);
+		wm_keymap_addon_add(defaultmap, addonmap);
+	}
+
+	/* remove previous diff keymap in list, we will replace it */
+	prevmap = WM_keymap_list_find(lb, km->idname, km->spaceid, km->regionid);
+	if(prevmap) {
+		WM_keymap_free(prevmap);
+		BLI_freelinkN(lb, prevmap);
+	}
+
+	/* create diff keymap */
+	diffmap= wm_keymap_new(km->idname, km->spaceid, km->regionid);
+	diffmap->flag |= KEYMAP_DIFF;
+	wm_keymap_diff(diffmap, defaultmap, km, origmap, addonmap);
+
+	/* add to list if not empty */
+	if(diffmap->diff_items.first) {
+		BLI_addtail(lb, diffmap);
+	}
+	else {
+		WM_keymap_free(diffmap);
+		MEM_freeN(diffmap);
+	}
+
+	/* free temporary default map */
+	if(addonmap) {
+		WM_keymap_free(defaultmap);
+		MEM_freeN(defaultmap);
 	}
 }
 
@@ -292,11 +652,10 @@ wmKeyMap *WM_keymap_find(wmKeyConfig *keyconf, const char *idname, int spaceid,
 	wmKeyMap *km= WM_keymap_list_find(&keyconf->keymaps, idname, spaceid, regionid);
 	
 	if(km==NULL) {
-		km= MEM_callocN(sizeof(struct wmKeyMap), "keymap list");
-		BLI_strncpy(km->idname, idname, KMAP_MAX_NAME);
-		km->spaceid= spaceid;
-		km->regionid= regionid;
+		km= wm_keymap_new(idname, spaceid, regionid);
 		BLI_addtail(&keyconf->keymaps, km);
+
+		WM_keyconfig_update_tag(km, NULL);
 	}
 	
 	return km;
@@ -304,29 +663,9 @@ wmKeyMap *WM_keymap_find(wmKeyConfig *keyconf, const char *idname, int spaceid,
 
 wmKeyMap *WM_keymap_find_all(const bContext *C, const char *idname, int spaceid, int regionid)
 {
-	wmWindowManager *wm = CTX_wm_manager(C);
-	wmKeyConfig *keyconf;
-	wmKeyMap *km;
-	
-	/* first user defined keymaps */
-	km= WM_keymap_list_find(&U.keymaps, idname, spaceid, regionid);
-	if (km)
-		return km;
-	
-	/* then user key config */
-	keyconf= wm_keyconfig_list_find(&wm->keyconfigs, U.keyconfigstr);
-	if(keyconf) {
-		km= WM_keymap_list_find(&keyconf->keymaps, idname, spaceid, regionid);
-		if (km)
-			return km;
-	}
-	
-	/* then use default */
-	km= WM_keymap_list_find(&wm->defaultconf->keymaps, idname, spaceid, regionid);
-	if (km)
-		return km;
-	else
-		return NULL;
+	wmWindowManager *wm= CTX_wm_manager(C);
+
+	return WM_keymap_list_find(&wm->userconf->keymaps, idname, spaceid, regionid);
 }
 
 /* ****************** modal keymaps ************ */
@@ -366,6 +705,8 @@ wmKeyMapItem *WM_modalkeymap_add_item(wmKeyMap *km, int type, int val, int modif
 
 	keymap_item_set_id(km, kmi);
 
+	WM_keyconfig_update_tag(km, kmi);
+
 	return kmi;
 }
 
@@ -588,169 +929,214 @@ int	WM_keymap_item_compare(wmKeyMapItem *k1, wmKeyMapItem *k2)
 	return 1;
 }
 
-/* ***************** user preferences ******************* */
+/************************* Update Final Configuration *************************
+ * On load or other changes, the final user key configuration is rebuilt from
+ * the preset, addon and user preferences keymaps. We also test if the final
+ * configuration changed and write the changes to the user preferences. */
+
+static int WM_KEYMAP_UPDATE = 0;
 
-int WM_keymap_user_init(wmWindowManager *wm, wmKeyMap *keymap)
+void WM_keyconfig_update_tag(wmKeyMap *km, wmKeyMapItem *kmi)
 {
-	wmKeyConfig *keyconf;
-	wmKeyMap *km;
+	/* quick tag to do delayed keymap updates */
+	WM_KEYMAP_UPDATE= 1;
 
-	if(!keymap)
-		return 0;
+	if(km)
+		km->flag |= KEYMAP_UPDATE;
+	if(kmi)
+		kmi->flag |= KMI_UPDATE;
+}
 
-	/* init from user key config */
-	keyconf= wm_keyconfig_list_find(&wm->keyconfigs, U.keyconfigstr);
-	if(keyconf) {
-		km= WM_keymap_list_find(&keyconf->keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
-		if(km) {
-			keymap->poll= km->poll; /* lazy init */
-			keymap->modal_items= km->modal_items;
-			return 1;
-		}
-	}
+static int wm_keymap_test_and_clear_update(wmKeyMap *km)
+{
+	wmKeyMapItem *kmi;
+	int update;
+	
+	update= (km->flag & KEYMAP_UPDATE);
+	km->flag &= ~KEYMAP_UPDATE;
 
-	/* or from default */
-	km= WM_keymap_list_find(&wm->defaultconf->keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
-	if(km) {
-		keymap->poll= km->poll; /* lazy init */
-		keymap->modal_items= km->modal_items;
-		return 1;
+	for(kmi=km->items.first; kmi; kmi=kmi->next) {
+		update= update || (kmi->flag & KMI_UPDATE);
+		kmi->flag &= ~KMI_UPDATE;
 	}
-
-	return 0;
+	
+	return update;
 }
 
-wmKeyMap *WM_keymap_active(wmWindowManager *wm, wmKeyMap *keymap)
+static wmKeyMap *wm_keymap_preset(wmWindowManager *wm, wmKeyMap *km)
 {
-	wmKeyConfig *keyconf;
-	wmKeyMap *km;
+	wmKeyConfig *keyconf= WM_keyconfig_active(wm);
+	wmKeyMap *keymap;
 
+	keymap= WM_keymap_list_find(&keyconf->keymaps, km->idname, km->spaceid, km->regionid);
 	if(!keymap)
-		return NULL;
-	
-	/* first user defined keymaps */
-	km= WM_keymap_list_find(&U.keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
-	if(km) {
-		km->poll= keymap->poll; /* lazy init */
-		km->modal_items= keymap->modal_items;
-		return km;
-	}
-	
-	/* then user key config */
-	keyconf= wm_keyconfig_list_find(&wm->keyconfigs, U.keyconfigstr);
-	if(keyconf) {
-		km= WM_keymap_list_find(&keyconf->keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
-		if(km) {
-			km->poll= keymap->poll; /* lazy init */
-			km->modal_items= keymap->modal_items;
-			return km;
-		}
-	}
+		keymap= WM_keymap_list_find(&wm->defaultconf->keymaps, km->idname, km->spaceid, km->regionid);
 
-	/* then use default */
-	km= WM_keymap_list_find(&wm->defaultconf->keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
-	return km;
+	return keymap;
 }
 
-wmKeyMap *WM_keymap_copy_to_user(wmKeyMap *keymap)
+void WM_keyconfig_update(wmWindowManager *wm)
 {
-	wmKeyMap *usermap;
+	wmKeyMap *km, *defaultmap, *addonmap, *usermap, *kmn;
 	wmKeyMapItem *kmi;
+	wmKeyMapDiffItem *kmdi;
+	int compat_update = 0;
 
-	usermap= WM_keymap_list_find(&U.keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
-
-	/* XXX this function is only used by RMB setting hotkeys, and it clears maps on 2nd try this way */
-	if(keymap==usermap)
-		return keymap;
+	if(!WM_KEYMAP_UPDATE)
+		return;
 	
-	if(!usermap) {
-		/* not saved yet, duplicate existing */
-		usermap= MEM_dupallocN(keymap);
-		usermap->modal_items= NULL;
-		usermap->poll= NULL;
-		usermap->flag |= KEYMAP_USER;
+	/* update operator properties for non-modal user keymaps */
+	for(km=U.user_keymaps.first; km; km=km->next) {
+		if((km->flag & KEYMAP_MODAL) == 0) {
+			for(kmdi=km->diff_items.first; kmdi; kmdi=kmdi->next) {
+				if(kmdi->add_item)
+					wm_keymap_item_properties_set(kmdi->add_item);
+				if(kmdi->remove_item)
+					wm_keymap_item_properties_set(kmdi->remove_item);
+			}
 
-		BLI_addtail(&U.keymaps, usermap);
+			for(kmi=km->items.first; kmi; kmi=kmi->next)
+				wm_keymap_item_properties_set(kmi);
+		}
 	}
-	else {
-		/* already saved, free items for re-copy */
-		WM_keymap_free(usermap);
+
+	/* update U.user_keymaps with user key configuration changes */
+	for(km=wm->userconf->keymaps.first; km; km=km->next) {
+		/* only diff if the user keymap was modified */
+		if(wm_keymap_test_and_clear_update(km)) {
+			/* find keymaps */
+			defaultmap= wm_keymap_preset(wm, km);
+			addonmap= WM_keymap_list_find(&wm->addonconf->keymaps, km->idname, km->spaceid, km->regionid);
+
+			/* diff */
+			wm_keymap_diff_update(&U.user_keymaps, defaultmap, addonmap, km);
+		}
 	}
 
-	BLI_duplicatelist(&usermap->items, &keymap->items);
+	/* create user key configuration from preset + addon + user preferences */
+	for(km=wm->defaultconf->keymaps.first; km; km=km->next) {
+		/* find keymaps */
+		defaultmap= wm_keymap_preset(wm, km);
+		addonmap= WM_keymap_list_find(&wm->addonconf->keymaps, km->idname, km->spaceid, km->regionid);
+		usermap= WM_keymap_list_find(&U.user_keymaps, km->idname, km->spaceid, km->regionid);
 
-	for(kmi=usermap->items.first; kmi; kmi=kmi->next) {
-		if(kmi->properties) {
-			kmi->ptr= MEM_callocN(sizeof(PointerRNA), "UserKeyMapItemPtr");
-			WM_operator_properties_create(kmi->ptr, kmi->idname);
+		/* add */
+		kmn= wm_keymap_patch_update(&wm->userconf->keymaps, defaultmap, addonmap, usermap);
 
-			kmi->properties= IDP_CopyProperty(kmi->properties);
-			kmi->ptr->data= kmi->properties;
+		if(kmn) {
+			kmn->modal_items= km->modal_items;
+			kmn->poll= km->poll;
 		}
+
+		/* in case of old non-diff keymaps, force extra update to create diffs */
+		compat_update = compat_update || (usermap && !(usermap->flag & KEYMAP_DIFF));
 	}
 
-	for(kmi=keymap->items.first; kmi; kmi=kmi->next)
-		kmi->flag &= ~KMI_EXPANDED;
+	WM_KEYMAP_UPDATE= 0;
+
+	if(compat_update) {
+		WM_keyconfig_update_tag(NULL, NULL);
+		WM_keyconfig_update(wm);
+	}
+}
+
+/********************************* Event Handling *****************************
+ * Handlers have pointers to the keymap in the default configuration. During
+ * event handling this function is called to get the keymap from the final
+ * configuration. */
+
+wmKeyMap *WM_keymap_active(wmWindowManager *wm, wmKeyMap *keymap)
+{
+	wmKeyMap *km;
+
+	if(!keymap)
+		return NULL;
+	
+	/* first user defined keymaps */
+	km= WM_keymap_list_find(&wm->userconf->keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
+
+	if(km)
+		return km;
 
-	return usermap;
+	return keymap;
 }
 
+/******************************* Keymap Editor ********************************
+ * In the keymap editor the user key configuration is edited. */
+
 void WM_keymap_restore_item_to_default(bContext *C, wmKeyMap *keymap, wmKeyMapItem *kmi)
 {
 	wmWindowManager *wm = CTX_wm_manager(C);
-	wmKeyConfig *keyconf;
-	wmKeyMap *km = NULL;
+	wmKeyMap *defaultmap, *addonmap;
+	wmKeyMapItem *orig;
 
-	/* look in user key config */
-	keyconf= wm_keyconfig_list_find(&wm->keyconfigs, U.keyconfigstr);
-	if(keyconf) {
-		km= WM_keymap_list_find(&keyconf->keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
-	}
+	if(!keymap)
+		return;
 
-	if (!km) {
-		/* or from default */
-		km= WM_keymap_list_find(&wm->defaultconf->keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
+	/* construct default keymap from preset + addons */
+	defaultmap= wm_keymap_preset(wm, keymap);
+	addonmap= WM_keymap_list_find(&wm->addonconf->keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
+
+	if(addonmap) {
+		defaultmap = wm_keymap_copy(defaultmap);
+		wm_keymap_addon_add(defaultmap, addonmap);
 	}
 
-	if (km) {
-		wmKeyMapItem *orig = WM_keymap_item_find_id(km, kmi->id);
+	/* find original item */
+	orig = WM_keymap_item_find_id(defaultmap, kmi->id);
 
-		if (orig) {
-			if(strcmp(orig->idname, kmi->idname) != 0) {
-				BLI_strncpy(kmi->idname, orig->idname, sizeof(kmi->idname));
+	if(orig) {
+		/* restore to original */
+		if(strcmp(orig->idname, kmi->idname) != 0) {
+			BLI_strncpy(kmi->idname, orig->idname, sizeof(kmi->idname));
+			WM_keymap_properties_reset(kmi, NULL);
+		}
 
-				WM_keymap_properties_reset(kmi, NULL);
+		if (orig->properties) {
+			if(kmi->properties) {
+				IDP_FreeProperty(kmi->properties);
+				MEM_freeN(kmi->properties);
+				kmi->properties= NULL;
 			}
-			
-			if (orig->properties) {
-				kmi->properties= IDP_CopyProperty(orig->properties);
-				kmi->ptr->data= kmi->properties;
-			}
-
-			kmi->propvalue = orig->propvalue;
-			kmi->type = orig->type;
-			kmi->val = orig->val;
-			kmi->shift = orig->shift;
-			kmi->ctrl = orig->ctrl;
-			kmi->alt = orig->alt;
-			kmi->oskey = orig->oskey;
-			kmi->keymodifier = orig->keymodifier;
-			kmi->maptype = orig->maptype;
 
+			kmi->properties= IDP_CopyProperty(orig->properties);
+			kmi->ptr->data= kmi->properties;
 		}
 
+		kmi->propvalue = orig->propvalue;
+		kmi->type = orig->type;
+		kmi->val = orig->val;
+		kmi->shift = orig->shift;
+		kmi->ctrl = orig->ctrl;
+		kmi->alt = orig->alt;
+		kmi->oskey = orig->oskey;
+		kmi->keymodifier = orig->keymodifier;
+		kmi->maptype = orig->maptype;
+
+		WM_keyconfig_update_tag(keymap, kmi);
+	}
+
+	/* free temporary keymap */
+	if(addonmap) {
+		WM_keymap_free(defaultmap);
+		MEM_freeN(defaultmap);
 	}
 }
 
-void WM_keymap_restore_to_default(wmKeyMap *keymap)
+void WM_keymap_restore_to_default(wmKeyMap *keymap, bContext *C)
 {
+	wmWindowManager *wm = CTX_wm_manager(C);
 	wmKeyMap *usermap;
 
-	usermap= WM_keymap_list_find(&U.keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
+	/* remove keymap from U.user_keymaps and update */
+	usermap= WM_keymap_list_find(&U.user_keymaps, keymap->idname, keymap->spaceid, keymap->regionid);
 
 	if(usermap) {
 		WM_keymap_free(usermap);
-		BLI_freelinkN(&U.keymaps, usermap);
+		BLI_freelinkN(&U.user_keymaps, usermap);
+
+		WM_keyconfig_update_tag(NULL, NULL);
+		WM_keyconfig_update(wm);
 	}
 }
 
@@ -951,3 +1337,4 @@ wmKeyMap *WM_keymap_guess_opname(const bContext *C, const char *opname)
 	
 	return km;
 }
+
diff --git a/source/blender/windowmanager/intern/wm_operators.c b/source/blender/windowmanager/intern/wm_operators.c
index ea8e6d9bb31..669cedd531f 100644
--- a/source/blender/windowmanager/intern/wm_operators.c
+++ b/source/blender/windowmanager/intern/wm_operators.c
@@ -1245,9 +1245,9 @@ static uiBlock *wm_block_create_splash(bContext *C, ARegion *ar, void *UNUSED(ar
 	
 	split = uiLayoutSplit(layout, 0, 0);
 	col = uiLayoutColumn(split, 0);
-	uiItemL(col, _("Links"), ICON_NONE);
+	uiItemL(col, "Links", ICON_NONE);
 	uiItemStringO(col, _("Donations"), ICON_URL, "WM_OT_url_open", "url", "http://www.blender.org/blenderorg/blender-foundation/donation-payment/");
-	uiItemStringO(col, _("Release Log"), ICON_URL, "WM_OT_url_open", "url", "http://www.blender.org/development/release-logs/blender-257/");
+	uiItemStringO(col, _("Release Log"), ICON_URL, "WM_OT_url_open", "url", "http://www.blender.org/development/release-logs/blender-259/");
 	uiItemStringO(col, _("Manual"), ICON_URL, "WM_OT_url_open", "url", "http://wiki.blender.org/index.php/Doc:2.5/Manual");
 	uiItemStringO(col, _("Blender Website"), ICON_URL, "WM_OT_url_open", "url", "http://www.blender.org/");
 	uiItemStringO(col, _("User Community"), ICON_URL, "WM_OT_url_open", "url", "http://www.blender.org/community/user-community/"); // 
@@ -1621,7 +1621,6 @@ static int wm_link_append_exec(bContext *C, wmOperator *op)
 	int idcode, totfiles=0;
 	short flag;
 
-	name[0] = '\0';
 	RNA_string_get(op->ptr, "filename", name);
 	RNA_string_get(op->ptr, "directory", dir);
 
@@ -1690,7 +1689,7 @@ static int wm_link_append_exec(bContext *C, wmOperator *op)
 	flag_all_listbases_ids(LIB_PRE_EXISTING, 1);
 
 	/* here appending/linking starts */
-	mainl = BLO_library_append_begin(C, &bh, libname);
+	mainl = BLO_library_append_begin(bmain, &bh, libname);
 	if(totfiles == 0) {
 		BLO_library_append_named_part_ex(C, mainl, &bh, name, idcode, flag);
 	}
@@ -3416,7 +3415,49 @@ static void WM_OT_memory_statistics(wmOperatorType *ot)
 }
 
 /* ******************************************************* */
- 
+
+static int wm_ndof_sensitivity_exec(bContext *UNUSED(C), wmOperator *op)
+{
+	const float min = 0.25f, max = 4.f; // TODO: get these from RNA property
+	float change;
+	float sensitivity = U.ndof_sensitivity;
+
+	if(RNA_boolean_get(op->ptr, "fast"))
+		change = 0.5f; // 50% change
+	else
+		change = 0.1f; // 10%
+
+	if(RNA_boolean_get(op->ptr, "decrease")) {
+		sensitivity -= sensitivity * change; 
+		if (sensitivity < min)
+			sensitivity = min;
+	}
+	else {
+		sensitivity += sensitivity * change; 
+		if (sensitivity > max)
+			sensitivity = max;
+	}
+
+	if (sensitivity != U.ndof_sensitivity) {
+		U.ndof_sensitivity = sensitivity;
+	}
+
+	return OPERATOR_FINISHED;
+}
+
+static void WM_OT_ndof_sensitivity_change(wmOperatorType *ot)
+{
+	ot->name= "Change NDOF sensitivity";
+	ot->idname= "WM_OT_ndof_sensitivity_change";
+	ot->description="Change NDOF sensitivity";
+	
+	ot->exec= wm_ndof_sensitivity_exec;
+
+	RNA_def_boolean(ot->srna, "decrease", 1, "Decrease NDOF sensitivity", "If true then action decreases NDOF sensitivity instead of increasing");
+	RNA_def_boolean(ot->srna, "fast", 0, "Fast NDOF sensitivity change", "If true then sensitivity changes 50%, otherwise 10%");
+} 
+
+/* ******************************************************* */
 /* called on initialize WM_exit() */
 void wm_operatortype_free(void)
 {
@@ -3455,6 +3496,7 @@ void wm_operatortype_init(void)
 	WM_operatortype_append(WM_OT_search_menu);
 	WM_operatortype_append(WM_OT_call_menu);
 	WM_operatortype_append(WM_OT_radial_control);
+	WM_operatortype_append(WM_OT_ndof_sensitivity_change);
 #if defined(WIN32)
 	WM_operatortype_append(WM_OT_console_toggle);
 #endif
@@ -3674,11 +3716,12 @@ void wm_window_keymap(wmKeyConfig *keyconf)
 	/* debug/testing */
 	WM_keymap_verify_item(keymap, "WM_OT_redraw_timer", TKEY, KM_PRESS, KM_ALT|KM_CTRL, 0);
 	WM_keymap_verify_item(keymap, "WM_OT_debug_menu", DKEY, KM_PRESS, KM_ALT|KM_CTRL, 0);
-	WM_keymap_verify_item(keymap, "WM_OT_search_menu", SPACEKEY, KM_PRESS, 0, 0);
-	
-	/* Space switching */
 
+	/* menus that can be accessed anywhere in blender */
+	WM_keymap_verify_item(keymap, "WM_OT_search_menu", SPACEKEY, KM_PRESS, 0, 0);
+	WM_keymap_add_menu(keymap, "USERPREF_MT_ndof_settings", NDOF_BUTTON_MENU, KM_PRESS, 0, 0);
 
+	/* Space switching */
 	kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_enum", F2KEY, KM_PRESS, KM_SHIFT, 0); /* new in 2.5x, was DXF export */
 	RNA_string_set(kmi->ptr, "data_path", "area.type");
 	RNA_string_set(kmi->ptr, "value", "LOGIC_EDITOR");
@@ -3722,6 +3765,23 @@ void wm_window_keymap(wmKeyConfig *keyconf)
 	kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_enum", F12KEY, KM_PRESS, KM_SHIFT, 0);
 	RNA_string_set(kmi->ptr, "data_path", "area.type");
 	RNA_string_set(kmi->ptr, "value", "DOPESHEET_EDITOR");
+	
+	/* ndof speed */
+	kmi= WM_keymap_add_item(keymap, "WM_OT_ndof_sensitivity_change", NDOF_BUTTON_PLUS, KM_PRESS, 0, 0);
+	RNA_boolean_set(kmi->ptr, "decrease", FALSE);
+	RNA_boolean_set(kmi->ptr, "fast", FALSE);
+
+	kmi= WM_keymap_add_item(keymap, "WM_OT_ndof_sensitivity_change", NDOF_BUTTON_MINUS, KM_PRESS, 0, 0);
+	RNA_boolean_set(kmi->ptr, "decrease", TRUE);
+	RNA_boolean_set(kmi->ptr, "fast", FALSE);
+
+	kmi= WM_keymap_add_item(keymap, "WM_OT_ndof_sensitivity_change", NDOF_BUTTON_PLUS, KM_PRESS, KM_SHIFT, 0);
+	RNA_boolean_set(kmi->ptr, "decrease", FALSE);
+	RNA_boolean_set(kmi->ptr, "fast", TRUE);
+
+	kmi= WM_keymap_add_item(keymap, "WM_OT_ndof_sensitivity_change", NDOF_BUTTON_MINUS, KM_PRESS, KM_SHIFT, 0);
+	RNA_boolean_set(kmi->ptr, "decrease", TRUE);
+	RNA_boolean_set(kmi->ptr, "fast", TRUE);
 
 	gesture_circle_modal_keymap(keyconf);
 	gesture_border_modal_keymap(keyconf);
diff --git a/source/blender/windowmanager/intern/wm_window.c b/source/blender/windowmanager/intern/wm_window.c
index 5836c432181..894d18e95b0 100644
--- a/source/blender/windowmanager/intern/wm_window.c
+++ b/source/blender/windowmanager/intern/wm_window.c
@@ -623,12 +623,12 @@ static int ghost_event_proc(GHOST_EventHandle evt, GHOST_TUserDataPtr private)
 		if (!ghostwin) {
 			// XXX - should be checked, why are we getting an event here, and
 			//	what is it?
-			
+			puts("<!> event has no window");
 			return 1;
 		} else if (!GHOST_ValidWindow(g_system, ghostwin)) {
 			// XXX - should be checked, why are we getting an event here, and
 			//	what is it?
-			
+			puts("<!> event has invalid window");			
 			return 1;
 		} else {
 			win= GHOST_GetWindowUserData(ghostwin);
diff --git a/source/blender/windowmanager/wm_event_types.h b/source/blender/windowmanager/wm_event_types.h
index ee080e7c0aa..579f20ca605 100644
--- a/source/blender/windowmanager/wm_event_types.h
+++ b/source/blender/windowmanager/wm_event_types.h
@@ -45,6 +45,7 @@
 #define EVT_DATA_GESTURE	2
 #define EVT_DATA_TIMER		3
 #define EVT_DATA_LISTBASE	4
+#define EVT_DATA_NDOF_MOTION 5
 
 /* tablet active, matches GHOST_TTabletMode */
 #define EVT_TABLET_NONE		0
@@ -78,6 +79,56 @@
 #define INBETWEEN_MOUSEMOVE	17
 
 
+/* NDOF (from SpaceNavigator & friends)
+   These should be kept in sync with GHOST_NDOFManager.h
+   Ordering matters, exact values do not. */
+
+#define NDOF_MOTION 400
+
+enum {
+	// used internally, never sent
+	NDOF_BUTTON_NONE = NDOF_MOTION,
+	// these two are available from any 3Dconnexion device
+	NDOF_BUTTON_MENU,
+	NDOF_BUTTON_FIT,
+	// standard views
+	NDOF_BUTTON_TOP,
+	NDOF_BUTTON_BOTTOM,
+	NDOF_BUTTON_LEFT,
+	NDOF_BUTTON_RIGHT,
+	NDOF_BUTTON_FRONT,
+	NDOF_BUTTON_BACK,
+	// more views
+	NDOF_BUTTON_ISO1,
+	NDOF_BUTTON_ISO2,
+	// 90 degree rotations
+	NDOF_BUTTON_ROLL_CW,
+	NDOF_BUTTON_ROLL_CCW,
+	NDOF_BUTTON_SPIN_CW,
+	NDOF_BUTTON_SPIN_CCW,
+	NDOF_BUTTON_TILT_CW,
+	NDOF_BUTTON_TILT_CCW,
+	// device control
+	NDOF_BUTTON_ROTATE,
+	NDOF_BUTTON_PANZOOM,
+	NDOF_BUTTON_DOMINANT,
+	NDOF_BUTTON_PLUS,
+	NDOF_BUTTON_MINUS,
+	// general-purpose buttons
+	NDOF_BUTTON_1,
+	NDOF_BUTTON_2,
+	NDOF_BUTTON_3,
+	NDOF_BUTTON_4,
+	NDOF_BUTTON_5,
+	NDOF_BUTTON_6,
+	NDOF_BUTTON_7,
+	NDOF_BUTTON_8,
+	NDOF_BUTTON_9,
+	NDOF_BUTTON_10,
+	NDOF_LAST
+	};
+
+
 /* SYSTEM : 0x01xx */
 #define	INPUTCHANGE		0x0103	/* input connected or disconnected */
 #define WINDEACTIVATE	0x0104	/* window is deactivated, focus lost */
@@ -240,8 +291,11 @@
 	/* test whether the event is tweak event */
 #define ISTWEAK(event)	(event >= EVT_TWEAK_L && event <= EVT_GESTURE)
 
+	/* test whether the event is a NDOF event */
+#define ISNDOF(event)	(event >= NDOF_MOTION && event < NDOF_LAST)
+
 /* test whether event type is acceptable as hotkey, excluding modifiers */
-#define ISHOTKEY(event)	((ISKEYBOARD(event) || ISMOUSE(event)) && event!=ESCKEY && !(event>=LEFTCTRLKEY && event<=LEFTSHIFTKEY) && !(event>=UNKNOWNKEY && event<=GRLESSKEY))
+#define ISHOTKEY(event)	((ISKEYBOARD(event) || ISMOUSE(event) || ISNDOF(event)) && event!=ESCKEY && !(event>=LEFTCTRLKEY && event<=LEFTSHIFTKEY) && !(event>=UNKNOWNKEY && event<=GRLESSKEY))
 
 /* **************** BLENDER GESTURE EVENTS (0x5000) **************** */
 
diff --git a/source/blenderplayer/bad_level_call_stubs/stubs.c b/source/blenderplayer/bad_level_call_stubs/stubs.c
index 548d272ffd2..983d4ecf5f8 100644
--- a/source/blenderplayer/bad_level_call_stubs/stubs.c
+++ b/source/blenderplayer/bad_level_call_stubs/stubs.c
@@ -208,10 +208,12 @@ struct wmKeyMap *WM_keymap_list_find(struct ListBase *lb, char *idname, int spac
 struct wmKeyConfig *WM_keyconfig_new(struct wmWindowManager *wm, char *idname){return (struct wmKeyConfig *) NULL;}
 struct wmKeyConfig *WM_keyconfig_new_user(struct wmWindowManager *wm, char *idname){return (struct wmKeyConfig *) NULL;}
 void WM_keyconfig_remove(struct wmWindowManager *wm, char *idname){}
+void WM_keyconfig_set_active(struct wmWindowManager *wm, const char *idname) {}
 void WM_keymap_remove_item(struct wmKeyMap *keymap, struct wmKeyMapItem *kmi){}
 void WM_keymap_restore_to_default(struct wmKeyMap *keymap){}
 void WM_keymap_restore_item_to_default(struct bContext *C, struct wmKeyMap *keymap, struct wmKeyMapItem *kmi){}
 void WM_keymap_properties_reset(struct wmKeyMapItem *kmi){}
+void WM_keyconfig_update_tag(struct wmKeyMap *keymap, struct wmKeyMapItem *kmi) {}
 int WM_keymap_user_init(struct wmWindowManager *wm, struct wmKeyMap *keymap) {return 0;}
 int WM_keymap_item_compare(struct wmKeyMapItem *k1, struct wmKeyMapItem *k2){return 0;}
 
diff --git a/source/creator/creator.c b/source/creator/creator.c
index fddd6d286db..36209dbda78 100644
--- a/source/creator/creator.c
+++ b/source/creator/creator.c
@@ -434,9 +434,12 @@ static int playback_mode(int UNUSED(argc), const char **UNUSED(argv), void *UNUS
 {
 	/* not if -b was given first */
 	if (G.background == 0) {
-
-// XXX				playanim(argc, argv); /* not the same argc and argv as before */
+#if 0	/* TODO, bring player back? */
+		playanim(argc, argv); /* not the same argc and argv as before */
+#else
+		fprintf(stderr, "Playback mode not supported in blender 2.5x\n");
 		exit(0);
+#endif
 	}
 
 	return -2;
diff --git a/source/gameengine/Converter/KX_BlenderSceneConverter.cpp b/source/gameengine/Converter/KX_BlenderSceneConverter.cpp
index 58089cc4b2d..b04a0d24e78 100644
--- a/source/gameengine/Converter/KX_BlenderSceneConverter.cpp
+++ b/source/gameengine/Converter/KX_BlenderSceneConverter.cpp
@@ -950,7 +950,6 @@ bool KX_BlenderSceneConverter::LinkBlendFilePath(const char *path, char *group,
 
 bool KX_BlenderSceneConverter::LinkBlendFile(BlendHandle *bpy_openlib, const char *path, char *group, KX_Scene *scene_merge, char **err_str, short options)
 {
-	bContext *C;
 	Main *main_newlib; /* stored as a dynamic 'main' until we free it */
 	Main *main_tmp= NULL; /* created only for linking, then freed */
 	LinkNode *names = NULL;
@@ -981,12 +980,10 @@ bool KX_BlenderSceneConverter::LinkBlendFile(BlendHandle *bpy_openlib, const cha
 	}
 	
 	main_newlib= (Main *)MEM_callocN( sizeof(Main), "BgeMain");
-	C= CTX_create();
-	CTX_data_main_set(C, main_newlib);
 	BKE_reports_init(&reports, RPT_STORE);	
 
 	/* here appending/linking starts */
-	main_tmp = BLO_library_append_begin(C, &bpy_openlib, (char *)path);
+	main_tmp = BLO_library_append_begin(main_newlib, &bpy_openlib, (char *)path);
 
 	int totnames_dummy;
 	names = BLO_blendhandle_get_datablock_names( bpy_openlib, idcode, &totnames_dummy);
@@ -1000,11 +997,11 @@ bool KX_BlenderSceneConverter::LinkBlendFile(BlendHandle *bpy_openlib, const cha
 	}
 	BLI_linklist_free(names, free);	/* free linklist *and* each node's data */
 	
-	BLO_library_append_end(C, main_tmp, &bpy_openlib, idcode, flag);
+	BLO_library_append_end(NULL, main_tmp, &bpy_openlib, idcode, flag);
 
 	/* now do another round of linking for Scenes so all actions are properly loaded */
 	if (idcode==ID_SCE && options & LIB_LOAD_LOAD_ACTIONS) {
-		main_tmp = BLO_library_append_begin(C, &bpy_openlib, (char *)path);
+		main_tmp = BLO_library_append_begin(main_newlib, &bpy_openlib, (char *)path);
 
 		int totnames_dummy;
 		names = BLO_blendhandle_get_datablock_names( bpy_openlib, ID_AC, &totnames_dummy);
@@ -1018,12 +1015,11 @@ bool KX_BlenderSceneConverter::LinkBlendFile(BlendHandle *bpy_openlib, const cha
 		}
 		BLI_linklist_free(names, free);	/* free linklist *and* each node's data */
 	
-		BLO_library_append_end(C, main_tmp, &bpy_openlib, ID_AC, flag);
+		BLO_library_append_end(NULL, main_tmp, &bpy_openlib, ID_AC, flag);
 	}
 	
 	BLO_blendhandle_close(bpy_openlib);
-	
-	CTX_free(C);
+
 	BKE_reports_clear(&reports);
 	/* done linking */	
 	
diff --git a/source/gameengine/Ketsji/KX_PyConstraintBinding.cpp b/source/gameengine/Ketsji/KX_PyConstraintBinding.cpp
index 12024657149..fde127b7ef5 100644
--- a/source/gameengine/Ketsji/KX_PyConstraintBinding.cpp
+++ b/source/gameengine/Ketsji/KX_PyConstraintBinding.cpp
@@ -38,12 +38,20 @@
 #include "KX_PhysicsObjectWrapper.h"
 #include "PHY_IPhysicsController.h"
 #include "PHY_IVehicle.h"
+#include "PHY_DynamicTypes.h"
 #include "MT_Matrix3x3.h"
 
 #include "PyObjectPlus.h" 
 
+#ifdef USE_BULLET
+#  include "LinearMath/btIDebugDraw.h"
+#endif
+
 #ifdef WITH_PYTHON
 
+// macro copied from KX_PythonInit.cpp
+#define KX_MACRO_addTypesToDict(dict, name, name2) PyDict_SetItemString(dict, #name, item=PyLong_FromSsize_t(name2)); Py_DECREF(item)
+
 // nasty glob variable to connect scripting language
 // if there is a better way (without global), please do so!
 static PHY_IPhysicsEnvironment* g_CurrentActivePhysicsEnvironment = NULL;
@@ -84,8 +92,8 @@ static char gPyGetAppliedImpulse__doc__[] = "getAppliedImpulse(int constraintId)
 
 
 static PyObject* gPySetGravity(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                               PyObject* args,
+                               PyObject* kwds)
 {
 	float x,y,z;
 	if (PyArg_ParseTuple(args,"fff",&x,&y,&z))
@@ -101,8 +109,8 @@ static PyObject* gPySetGravity(PyObject* self,
 }
 
 static PyObject* gPySetDebugMode(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                 PyObject* args,
+                                 PyObject* kwds)
 {
 	int mode;
 	if (PyArg_ParseTuple(args,"i",&mode))
@@ -124,8 +132,8 @@ static PyObject* gPySetDebugMode(PyObject* self,
 
 
 static PyObject* gPySetNumTimeSubSteps(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                       PyObject* args,
+                                       PyObject* kwds)
 {
 	int substep;
 	if (PyArg_ParseTuple(args,"i",&substep))
@@ -143,8 +151,8 @@ static PyObject* gPySetNumTimeSubSteps(PyObject* self,
 
 
 static PyObject* gPySetNumIterations(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                     PyObject* args,
+                                     PyObject* kwds)
 {
 	int iter;
 	if (PyArg_ParseTuple(args,"i",&iter))
@@ -161,10 +169,9 @@ static PyObject* gPySetNumIterations(PyObject* self,
 }
 
 
-
 static PyObject* gPySetDeactivationTime(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                        PyObject* args,
+                                        PyObject* kwds)
 {
 	float deactive_time;
 	if (PyArg_ParseTuple(args,"f",&deactive_time))
@@ -182,8 +189,8 @@ static PyObject* gPySetDeactivationTime(PyObject* self,
 
 
 static PyObject* gPySetDeactivationLinearTreshold(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                                  PyObject* args,
+                                                  PyObject* kwds)
 {
 	float linearDeactivationTreshold;
 	if (PyArg_ParseTuple(args,"f",&linearDeactivationTreshold))
@@ -201,8 +208,8 @@ static PyObject* gPySetDeactivationLinearTreshold(PyObject* self,
 
 
 static PyObject* gPySetDeactivationAngularTreshold(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                                   PyObject* args,
+                                                   PyObject* kwds)
 {
 	float angularDeactivationTreshold;
 	if (PyArg_ParseTuple(args,"f",&angularDeactivationTreshold))
@@ -219,8 +226,8 @@ static PyObject* gPySetDeactivationAngularTreshold(PyObject* self,
 }
 
 static PyObject* gPySetContactBreakingTreshold(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                               PyObject* args,
+                                               PyObject* kwds)
 {
 	float contactBreakingTreshold;
 	if (PyArg_ParseTuple(args,"f",&contactBreakingTreshold))
@@ -238,8 +245,8 @@ static PyObject* gPySetContactBreakingTreshold(PyObject* self,
 
 
 static PyObject* gPySetCcdMode(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                               PyObject* args,
+                               PyObject* kwds)
 {
 	float ccdMode;
 	if (PyArg_ParseTuple(args,"f",&ccdMode))
@@ -256,8 +263,8 @@ static PyObject* gPySetCcdMode(PyObject* self,
 }
 
 static PyObject* gPySetSorConstant(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                   PyObject* args,
+                                   PyObject* kwds)
 {
 	float sor;
 	if (PyArg_ParseTuple(args,"f",&sor))
@@ -274,8 +281,8 @@ static PyObject* gPySetSorConstant(PyObject* self,
 }
 
 static PyObject* gPySetSolverTau(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                 PyObject* args,
+                                 PyObject* kwds)
 {
 	float tau;
 	if (PyArg_ParseTuple(args,"f",&tau))
@@ -293,8 +300,8 @@ static PyObject* gPySetSolverTau(PyObject* self,
 
 
 static PyObject* gPySetSolverDamping(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                     PyObject* args,
+                                     PyObject* kwds)
 {
 	float damping;
 	if (PyArg_ParseTuple(args,"f",&damping))
@@ -311,8 +318,8 @@ static PyObject* gPySetSolverDamping(PyObject* self,
 }
 
 static PyObject* gPySetLinearAirDamping(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                        PyObject* args,
+                                        PyObject* kwds)
 {
 	float damping;
 	if (PyArg_ParseTuple(args,"f",&damping))
@@ -330,8 +337,8 @@ static PyObject* gPySetLinearAirDamping(PyObject* self,
 
 
 static PyObject* gPySetUseEpa(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                              PyObject* args,
+                              PyObject* kwds)
 {
 	int	epa;
 	if (PyArg_ParseTuple(args,"i",&epa))
@@ -347,8 +354,8 @@ static PyObject* gPySetUseEpa(PyObject* self,
 	Py_RETURN_NONE;
 }
 static PyObject* gPySetSolverType(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                  PyObject* args,
+                                  PyObject* kwds)
 {
 	int	solverType;
 	if (PyArg_ParseTuple(args,"i",&solverType))
@@ -367,8 +374,8 @@ static PyObject* gPySetSolverType(PyObject* self,
 
 
 static PyObject* gPyGetVehicleConstraint(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                         PyObject* args,
+                                         PyObject* kwds)
 {
 #if defined(_WIN64)
 	__int64 constraintid;
@@ -398,9 +405,6 @@ static PyObject* gPyGetVehicleConstraint(PyObject* self,
 }
 
 
-
-
-
 static PyObject* gPyCreateConstraint(PyObject* self,
 										 PyObject* args, 
 										 PyObject* kwds)
@@ -425,39 +429,39 @@ static PyObject* gPyCreateConstraint(PyObject* self,
 		success = PyArg_ParseTuple(args,"lli",&physicsid,&physicsid2,&constrainttype);
 #endif
 	}
-	else
-	if (len ==6)
+	else if (len == 6)
 	{
 #if defined(_WIN64)
 		success = PyArg_ParseTuple(args,"LLifff",&physicsid,&physicsid2,&constrainttype,
-			&pivotX,&pivotY,&pivotZ);
+		                           &pivotX,&pivotY,&pivotZ);
 #else
 		success = PyArg_ParseTuple(args,"llifff",&physicsid,&physicsid2,&constrainttype,
-								   &pivotX,&pivotY,&pivotZ);		
+		                           &pivotX,&pivotY,&pivotZ);
 #endif	
 	}
 	else if (len == 9)
 	{
 #if defined(_WIN64)
 		success = PyArg_ParseTuple(args,"LLiffffff",&physicsid,&physicsid2,&constrainttype,
-			&pivotX,&pivotY,&pivotZ,&axisX,&axisY,&axisZ);
+		                           &pivotX,&pivotY,&pivotZ,&axisX,&axisY,&axisZ);
 #else
 		success = PyArg_ParseTuple(args,"lliffffff",&physicsid,&physicsid2,&constrainttype,
-								   &pivotX,&pivotY,&pivotZ,&axisX,&axisY,&axisZ);
+		                           &pivotX,&pivotY,&pivotZ,&axisX,&axisY,&axisZ);
 #endif
-	
 	}
 	else if (len == 10)
 	{
 #if defined(_WIN64)
 		success = PyArg_ParseTuple(args,"LLiffffffi",&physicsid,&physicsid2,&constrainttype,
-			&pivotX,&pivotY,&pivotZ,&axisX,&axisY,&axisZ,&flag);
+		                           &pivotX,&pivotY,&pivotZ,&axisX,&axisY,&axisZ,&flag);
 #else
 		success = PyArg_ParseTuple(args,"lliffffffi",&physicsid,&physicsid2,&constrainttype,
-								   &pivotX,&pivotY,&pivotZ,&axisX,&axisY,&axisZ,&flag);
+		                           &pivotX,&pivotY,&pivotZ,&axisX,&axisY,&axisZ,&flag);
 #endif
 	}
-	else if (len==4)
+
+	/* XXX extrainfo seems to be nothing implemented. right now it works as a pivot with [X,0,0] */
+	else if (len == 4)
 	{
 #if defined(_WIN64)
 		success = PyArg_ParseTuple(args,"LLii",&physicsid,&physicsid2,&constrainttype,&extrainfo);
@@ -466,7 +470,7 @@ static PyObject* gPyCreateConstraint(PyObject* self,
 #endif
 		pivotX=extrainfo;
 	}
-	
+
 	if (success)
 	{
 		if (PHY_GetActiveEnvironment())
@@ -490,20 +494,18 @@ static PyObject* gPyCreateConstraint(PyObject* self,
 					MT_Vector3 axis0 = localCFrame.getColumn(0);
 					MT_Vector3 axis1 = localCFrame.getColumn(1);
 					MT_Vector3 axis2 = localCFrame.getColumn(2);
-						
-					constraintid = PHY_GetActiveEnvironment()->createConstraint(physctrl,physctrl2,(enum PHY_ConstraintType)constrainttype,
-						pivotX,pivotY,pivotZ,
-						(float)axis0.x(),(float)axis0.y(),(float)axis0.z(),
-						(float)axis1.x(),(float)axis1.y(),(float)axis1.z(),
-						(float)axis2.x(),(float)axis2.y(),(float)axis2.z(),flag);
 
-				} else
-				{
+					constraintid = PHY_GetActiveEnvironment()->createConstraint(physctrl,physctrl2,(enum PHY_ConstraintType)constrainttype,
+					                                                            pivotX,pivotY,pivotZ,
+					                                                            (float)axis0.x(),(float)axis0.y(),(float)axis0.z(),
+					                                                            (float)axis1.x(),(float)axis1.y(),(float)axis1.z(),
+					                                                            (float)axis2.x(),(float)axis2.y(),(float)axis2.z(),flag);
+				}
+				else {
 					constraintid = PHY_GetActiveEnvironment()->createConstraint(physctrl,physctrl2,(enum PHY_ConstraintType)constrainttype,pivotX,pivotY,pivotZ,axisX,axisY,axisZ,0);
 				}
 				
 				KX_ConstraintWrapper* wrap = new KX_ConstraintWrapper((enum PHY_ConstraintType)constrainttype,constraintid,PHY_GetActiveEnvironment());
-				
 
 				return wrap->NewProxy(true);
 			}
@@ -522,8 +524,8 @@ static PyObject* gPyCreateConstraint(PyObject* self,
 
 
 static PyObject* gPyGetAppliedImpulse(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                      PyObject* args,
+                                      PyObject* kwds)
 {
 	float	appliedImpulse = 0.f;
 
@@ -549,8 +551,8 @@ static PyObject* gPyGetAppliedImpulse(PyObject* self,
 
 
 static PyObject* gPyRemoveConstraint(PyObject* self,
-										 PyObject* args, 
-										 PyObject* kwds)
+                                     PyObject* args,
+                                     PyObject* kwds)
 {
 #if defined(_WIN64)
 	__int64 constraintid;
@@ -577,7 +579,7 @@ static PyObject* gPyExportBulletFile(PyObject*, PyObject* args)
 	char* filename;
 	if (!PyArg_ParseTuple(args,"s:exportBulletFile",&filename))
 		return NULL;
-		
+
 	if (PHY_GetActiveEnvironment())
 	{
 		PHY_GetActiveEnvironment()->exportFile(filename);
@@ -586,62 +588,61 @@ static PyObject* gPyExportBulletFile(PyObject*, PyObject* args)
 }
 
 static struct PyMethodDef physicsconstraints_methods[] = {
-  {"setGravity",(PyCFunction) gPySetGravity,
-   METH_VARARGS, (const char *)gPySetGravity__doc__},
-  {"setDebugMode",(PyCFunction) gPySetDebugMode,
-   METH_VARARGS, (const char *)gPySetDebugMode__doc__},
-
-   /// settings that influence quality of the rigidbody dynamics
-  {"setNumIterations",(PyCFunction) gPySetNumIterations,
-   METH_VARARGS, (const char *)gPySetNumIterations__doc__},
-
-   {"setNumTimeSubSteps",(PyCFunction) gPySetNumTimeSubSteps,
-   METH_VARARGS, (const char *)gPySetNumTimeSubSteps__doc__},
-
-  {"setDeactivationTime",(PyCFunction) gPySetDeactivationTime,
-   METH_VARARGS, (const char *)gPySetDeactivationTime__doc__},
-
-  {"setDeactivationLinearTreshold",(PyCFunction) gPySetDeactivationLinearTreshold,
-   METH_VARARGS, (const char *)gPySetDeactivationLinearTreshold__doc__},
-  {"setDeactivationAngularTreshold",(PyCFunction) gPySetDeactivationAngularTreshold,
-   METH_VARARGS, (const char *)gPySetDeactivationAngularTreshold__doc__},
-
-   {"setContactBreakingTreshold",(PyCFunction) gPySetContactBreakingTreshold,
-   METH_VARARGS, (const char *)gPySetContactBreakingTreshold__doc__},
-     {"setCcdMode",(PyCFunction) gPySetCcdMode,
-   METH_VARARGS, (const char *)gPySetCcdMode__doc__},
-     {"setSorConstant",(PyCFunction) gPySetSorConstant,
-   METH_VARARGS, (const char *)gPySetSorConstant__doc__},
-       {"setSolverTau",(PyCFunction) gPySetSolverTau,
-   METH_VARARGS, (const char *)gPySetSolverTau__doc__},
-        {"setSolverDamping",(PyCFunction) gPySetSolverDamping,
-   METH_VARARGS, (const char *)gPySetSolverDamping__doc__},
-
-         {"setLinearAirDamping",(PyCFunction) gPySetLinearAirDamping,
-   METH_VARARGS, (const char *)gPySetLinearAirDamping__doc__},
-
-    {"setUseEpa",(PyCFunction) gPySetUseEpa,
-   METH_VARARGS, (const char *)gPySetUseEpa__doc__},
+	{"setGravity",(PyCFunction) gPySetGravity,
+	 METH_VARARGS, (const char*)gPySetGravity__doc__},
+	{"setDebugMode",(PyCFunction) gPySetDebugMode,
+	 METH_VARARGS, (const char *)gPySetDebugMode__doc__},
+
+	/// settings that influence quality of the rigidbody dynamics
+	{"setNumIterations",(PyCFunction) gPySetNumIterations,
+	 METH_VARARGS, (const char *)gPySetNumIterations__doc__},
+
+	{"setNumTimeSubSteps",(PyCFunction) gPySetNumTimeSubSteps,
+	 METH_VARARGS, (const char *)gPySetNumTimeSubSteps__doc__},
+
+	{"setDeactivationTime",(PyCFunction) gPySetDeactivationTime,
+	 METH_VARARGS, (const char *)gPySetDeactivationTime__doc__},
+
+	{"setDeactivationLinearTreshold",(PyCFunction) gPySetDeactivationLinearTreshold,
+	 METH_VARARGS, (const char *)gPySetDeactivationLinearTreshold__doc__},
+	{"setDeactivationAngularTreshold",(PyCFunction) gPySetDeactivationAngularTreshold,
+	 METH_VARARGS, (const char *)gPySetDeactivationAngularTreshold__doc__},
+
+	{"setContactBreakingTreshold",(PyCFunction) gPySetContactBreakingTreshold,
+	 METH_VARARGS, (const char *)gPySetContactBreakingTreshold__doc__},
+	{"setCcdMode",(PyCFunction) gPySetCcdMode,
+	 METH_VARARGS, (const char *)gPySetCcdMode__doc__},
+	{"setSorConstant",(PyCFunction) gPySetSorConstant,
+	 METH_VARARGS, (const char *)gPySetSorConstant__doc__},
+	{"setSolverTau",(PyCFunction) gPySetSolverTau,
+	 METH_VARARGS, (const char *)gPySetSolverTau__doc__},
+	{"setSolverDamping",(PyCFunction) gPySetSolverDamping,
+	 METH_VARARGS, (const char *)gPySetSolverDamping__doc__},
+
+	{"setLinearAirDamping",(PyCFunction) gPySetLinearAirDamping,
+	 METH_VARARGS, (const char *)gPySetLinearAirDamping__doc__},
+
+	{"setUseEpa",(PyCFunction) gPySetUseEpa,
+	 METH_VARARGS, (const char *)gPySetUseEpa__doc__},
 	{"setSolverType",(PyCFunction) gPySetSolverType,
-   METH_VARARGS, (const char *)gPySetSolverType__doc__},
+	 METH_VARARGS, (const char *)gPySetSolverType__doc__},
 
 
-  {"createConstraint",(PyCFunction) gPyCreateConstraint,
-   METH_VARARGS, (const char *)gPyCreateConstraint__doc__},
-     {"getVehicleConstraint",(PyCFunction) gPyGetVehicleConstraint,
-   METH_VARARGS, (const char *)gPyGetVehicleConstraint__doc__},
+	{"createConstraint",(PyCFunction) gPyCreateConstraint,
+	 METH_VARARGS, (const char *)gPyCreateConstraint__doc__},
+	{"getVehicleConstraint",(PyCFunction) gPyGetVehicleConstraint,
+	 METH_VARARGS, (const char *)gPyGetVehicleConstraint__doc__},
 
-  {"removeConstraint",(PyCFunction) gPyRemoveConstraint,
-   METH_VARARGS, (const char *)gPyRemoveConstraint__doc__},
+	{"removeConstraint",(PyCFunction) gPyRemoveConstraint,
+	 METH_VARARGS, (const char *)gPyRemoveConstraint__doc__},
 	{"getAppliedImpulse",(PyCFunction) gPyGetAppliedImpulse,
-   METH_VARARGS, (const char *)gPyGetAppliedImpulse__doc__},
+	 METH_VARARGS, (const char *)gPyGetAppliedImpulse__doc__},
 
-     {"exportBulletFile",(PyCFunction)gPyExportBulletFile,
-	METH_VARARGS, "export a .bullet file"},
+	{"exportBulletFile",(PyCFunction)gPyExportBulletFile,
+	 METH_VARARGS, "export a .bullet file"},
 
-
-   //sentinel
-  { NULL, (PyCFunction) NULL, 0, NULL }
+	//sentinel
+	{ NULL, (PyCFunction) NULL, 0, NULL }
 };
 
 static struct PyModuleDef PhysicsConstraints_module_def = {
@@ -656,12 +657,13 @@ static struct PyModuleDef PhysicsConstraints_module_def = {
 	0,  /* m_free */
 };
 
-PyObject*	initPythonConstraintBinding()
+PyObject* initPythonConstraintBinding()
 {
 
-  PyObject* ErrorObject;
-  PyObject* m;
-  PyObject* d;
+	PyObject* ErrorObject;
+	PyObject* m;
+	PyObject* d;
+	PyObject* item;
 
 	/* Use existing module where possible
 	 * be careful not to init any runtime vars after this */
@@ -677,21 +679,43 @@ PyObject*	initPythonConstraintBinding()
 		PyDict_SetItemString(PySys_GetObject("modules"), PhysicsConstraints_module_def.m_name, m);
 	}
 
-  // Add some symbolic constants to the module
-  d = PyModule_GetDict(m);
-  ErrorObject = PyUnicode_FromString("PhysicsConstraints.error");
-  PyDict_SetItemString(d, "error", ErrorObject);
-  Py_DECREF(ErrorObject);
-
-  // XXXX Add constants here
-
-  // Check for errors
-  if (PyErr_Occurred())
-    {
-      Py_FatalError("can't initialize module PhysicsConstraints");
-    }
-
-  return d;
+	// Add some symbolic constants to the module
+	d = PyModule_GetDict(m);
+	ErrorObject = PyUnicode_FromString("PhysicsConstraints.error");
+	PyDict_SetItemString(d, "error", ErrorObject);
+	Py_DECREF(ErrorObject);
+
+#ifdef USE_BULLET
+	//Debug Modes constants to be used with setDebugMode() python function
+	KX_MACRO_addTypesToDict(d, DBG_NODEBUG, btIDebugDraw::DBG_NoDebug);
+	KX_MACRO_addTypesToDict(d, DBG_DRAWWIREFRAME, btIDebugDraw::DBG_DrawWireframe);
+	KX_MACRO_addTypesToDict(d, DBG_DRAWAABB, btIDebugDraw::DBG_DrawAabb);
+	KX_MACRO_addTypesToDict(d, DBG_DRAWFREATURESTEXT, btIDebugDraw::DBG_DrawFeaturesText);
+	KX_MACRO_addTypesToDict(d, DBG_DRAWCONTACTPOINTS, btIDebugDraw::DBG_DrawContactPoints);
+	KX_MACRO_addTypesToDict(d, DBG_NOHELPTEXT, btIDebugDraw::DBG_NoHelpText);
+	KX_MACRO_addTypesToDict(d, DBG_DRAWTEXT, btIDebugDraw::DBG_DrawText);
+	KX_MACRO_addTypesToDict(d, DBG_PROFILETIMINGS, btIDebugDraw::DBG_ProfileTimings);
+	KX_MACRO_addTypesToDict(d, DBG_ENABLESATCOMPARISION, btIDebugDraw::DBG_EnableSatComparison);
+	KX_MACRO_addTypesToDict(d, DBG_DISABLEBULLETLCP, btIDebugDraw::DBG_DisableBulletLCP);
+	KX_MACRO_addTypesToDict(d, DBG_ENABLECDD, btIDebugDraw::DBG_EnableCCD);
+	KX_MACRO_addTypesToDict(d, DBG_DRAWCONSTRAINTS, btIDebugDraw::DBG_DrawConstraints);
+	KX_MACRO_addTypesToDict(d, DBG_DRAWCONSTRAINTLIMITS, btIDebugDraw::DBG_DrawConstraintLimits);
+	KX_MACRO_addTypesToDict(d, DBG_FASTWIREFRAME, btIDebugDraw::DBG_FastWireframe);
+#endif // USE_BULLET
+
+	//Constraint types to be used with createConstraint() python function
+	KX_MACRO_addTypesToDict(d, POINTTOPOINT_CONSTRAINT, PHY_POINT2POINT_CONSTRAINT);
+	KX_MACRO_addTypesToDict(d, LINEHINGE_CONSTRAINT, PHY_LINEHINGE_CONSTRAINT);
+	KX_MACRO_addTypesToDict(d, ANGULAR_CONSTRAINT, PHY_ANGULAR_CONSTRAINT);
+	KX_MACRO_addTypesToDict(d, CONETWIST_CONSTRAINT, PHY_CONE_TWIST_CONSTRAINT);
+	KX_MACRO_addTypesToDict(d, VEHICLE_CONSTRAINT, PHY_VEHICLE_CONSTRAINT);
+
+	// Check for errors
+	if (PyErr_Occurred()) {
+		Py_FatalError("can't initialize module PhysicsConstraints");
+	}
+
+	return d;
 }
 
 
@@ -709,7 +733,4 @@ PHY_IPhysicsEnvironment*	PHY_GetActiveEnvironment()
 	return g_CurrentActivePhysicsEnvironment;
 }
 
-
-
 #endif // WITH_PYTHON
-
diff --git a/source/tests/CMakeLists.txt b/source/tests/CMakeLists.txt
index 8fd0d6e7099..3f802642d33 100644
--- a/source/tests/CMakeLists.txt
+++ b/source/tests/CMakeLists.txt
@@ -111,7 +111,7 @@ add_test(export_obj_all_objects ${TEST_BLENDER_EXE}
 	--run={'FINISHED'}&bpy.ops.export_scene.obj\(filepath='${TEST_OUT_DIR}/export_obj_all_objects.obj',use_selection=False,use_nurbs=True\)
 	--md5_source=${TEST_OUT_DIR}/export_obj_all_objects.obj
 	--md5_source=${TEST_OUT_DIR}/export_obj_all_objects.mtl
-	--md5=01c123948efadc6a71ab2c09a5925756 --md5_method=FILE
+	--md5=04b3ed97cede07a19548fc518ce9f8ca --md5_method=FILE
 )
 
 
@@ -196,7 +196,7 @@ add_test(export_x3d_cube ${TEST_BLENDER_EXE}
 	--python ${CMAKE_CURRENT_LIST_DIR}/bl_test.py --
 	--run={'FINISHED'}&bpy.ops.export_scene.x3d\(filepath='${TEST_OUT_DIR}/export_x3d_cube.x3d',use_selection=False\)
 	--md5_source=${TEST_OUT_DIR}/export_x3d_cube.x3d
-	--md5=5e804c689896116331fa190a9fabbad4 --md5_method=FILE
+	--md5=2621d8cc2cc1d34f6711c54519907dac --md5_method=FILE
 )
 
 add_test(export_x3d_nurbs ${TEST_BLENDER_EXE}
@@ -204,7 +204,7 @@ add_test(export_x3d_nurbs ${TEST_BLENDER_EXE}
 	--python ${CMAKE_CURRENT_LIST_DIR}/bl_test.py --
 	--run={'FINISHED'}&bpy.ops.export_scene.x3d\(filepath='${TEST_OUT_DIR}/export_x3d_nurbs.x3d',use_selection=False\)
 	--md5_source=${TEST_OUT_DIR}/export_x3d_nurbs.x3d
-	--md5=2d5bcf43cf7b6fbbef1c8cc566968fe5 --md5_method=FILE
+	--md5=d56b3736bab063d101d42079bd276f01 --md5_method=FILE
 )
 
 add_test(export_x3d_all_objects ${TEST_BLENDER_EXE}
@@ -212,7 +212,7 @@ add_test(export_x3d_all_objects ${TEST_BLENDER_EXE}
 	--python ${CMAKE_CURRENT_LIST_DIR}/bl_test.py --
 	--run={'FINISHED'}&bpy.ops.export_scene.x3d\(filepath='${TEST_OUT_DIR}/export_x3d_all_objects.x3d',use_selection=False\)
 	--md5_source=${TEST_OUT_DIR}/export_x3d_all_objects.x3d
-	--md5=2809ec13a4cab55d265ce7525c5db1b7 --md5_method=FILE
+	--md5=0914c9a7fcdbfc5741c1269497e9068b --md5_method=FILE
 )
 
 
@@ -273,7 +273,7 @@ add_test(export_fbx_cube ${TEST_BLENDER_EXE}
 	--python ${CMAKE_CURRENT_LIST_DIR}/bl_test.py --
 	--run={'FINISHED'}&bpy.ops.export_scene.fbx\(filepath='${TEST_OUT_DIR}/export_fbx_cube.fbx',use_selection=False,use_metadata=False\)
 	--md5_source=${TEST_OUT_DIR}/export_fbx_cube.fbx
-	--md5=83dca99a0cb338852b8c85951a44c68a --md5_method=FILE
+	--md5=86da2495dffd7c270e682f599be6b3d1 --md5_method=FILE
 )
 
 add_test(export_fbx_nurbs ${TEST_BLENDER_EXE}
@@ -281,7 +281,7 @@ add_test(export_fbx_nurbs ${TEST_BLENDER_EXE}
 	--python ${CMAKE_CURRENT_LIST_DIR}/bl_test.py --
 	--run={'FINISHED'}&bpy.ops.export_scene.fbx\(filepath='${TEST_OUT_DIR}/export_fbx_nurbs.fbx',use_selection=False,use_metadata=False\)
 	--md5_source=${TEST_OUT_DIR}/export_fbx_nurbs.fbx
-	--md5=c7d9491ffa6264e820ed1e12df63f871 --md5_method=FILE
+	--md5=88a263ddb5181e6522dc214debb92ced --md5_method=FILE
 )
 
 add_test(export_fbx_all_objects ${TEST_BLENDER_EXE}
@@ -289,5 +289,5 @@ add_test(export_fbx_all_objects ${TEST_BLENDER_EXE}
 	--python ${CMAKE_CURRENT_LIST_DIR}/bl_test.py --
 	--run={'FINISHED'}&bpy.ops.export_scene.fbx\(filepath='${TEST_OUT_DIR}/export_fbx_all_objects.fbx',use_selection=False,use_metadata=False\)
 	--md5_source=${TEST_OUT_DIR}/export_fbx_all_objects.fbx
-	--md5=22867f82e1615fd1eae18cfaac8ba035 --md5_method=FILE
+	--md5=e6f75fe7de9aa366896456e13eafc76a --md5_method=FILE
 )
diff --git a/source/tests/bl_run_operators.py b/source/tests/bl_run_operators.py
index 668b4e69228..b64055df252 100644
--- a/source/tests/bl_run_operators.py
+++ b/source/tests/bl_run_operators.py
@@ -70,7 +70,7 @@ def run_ops(operators, setup_func=None):
 
             setup_func()
 
-            for mode in ('EXEC_DEFAULT', 'INVOKE_DEFAULT'):
+            for mode in {'EXEC_DEFAULT', 'INVOKE_DEFAULT'}:
                 try:
                     op(mode)
                 except:
diff --git a/source/tests/check_deprecated.py b/source/tests/check_deprecated.py
index 11c7ce646b9..856e1f6d272 100755..100644
--- a/source/tests/check_deprecated.py
+++ b/source/tests/check_deprecated.py
@@ -28,6 +28,7 @@ SKIP_DIRS = ("extern",
              os.path.join("source", "tests"),  # not this dir
              )
 
+
 def is_c_header(filename):
     ext = splitext(filename)[1]
     return (ext in (".h", ".hpp", ".hxx"))
@@ -41,13 +42,16 @@ def is_c(filename):
 def is_c_any(filename):
     return is_c(filename) or is_c_header(filename)
 
+
 def is_py(filename):
     ext = splitext(filename)[1]
     return (ext == ".py")
 
+
 def is_source_any(filename):
     return is_c_any(filename) or is_py(filename)
 
+
 def source_list(path, filename_check=None):
     for dirpath, dirnames, filenames in os.walk(path):
 
@@ -67,7 +71,7 @@ def deprecations():
     /* *DEPRECATED* 2011/7/17 bgl.Buffer.list info text */
 
     Or...
-    
+
     # *DEPRECATED* 2010/12/22 some.py.func more info */
 
     """
@@ -105,12 +109,12 @@ def deprecations():
                     if len(data) != 3:
                         print("    poorly formatting line:\n"
                               "    %r:%d\n"
-                              "    %s"%
+                              "    %s" %
                               (fn, i + 1, l)
                               )
                     else:
                         data = datetime.datetime(*tuple([int(w) for w in data]))
-                        
+
                         deprecations_ls.append((data, (fn, i + 1), info))
                 except:
                     print("Error file - %r:%d" % (fn, i + 1))
@@ -123,10 +127,11 @@ def deprecations():
 
     return deprecations_ls
 
+
 def main():
     import datetime
     now = datetime.datetime.now()\
-    
+
     deps = deprecations()
 
     print("\nAll deprecations...")