4 files changed, 51 insertions, 4 deletions

diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 82fe3199eaf..766386e54b0 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -5214,6 +5214,13 @@ static void area_add_window_regions(ScrArea *sa, SpaceLink *sl, ListBase *lb)
 				ar->v2d.scroll= V2D_SCROLL_BOTTOM;
 				ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
 				break;
+			case SPACE_NODE:
+				ar= MEM_callocN(sizeof(ARegion), "nodetree area for node");
+				BLI_addtail(lb, ar);
+				ar->regiontype= RGN_TYPE_CHANNELS;
+				ar->alignment= RGN_ALIGN_LEFT;
+				ar->v2d.scroll = (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
+				ar->v2d.flag = V2D_VIEWSYNC_AREA_VERTICAL;
 			case SPACE_FILE:
 				/* channel (bookmarks/directories) region */
 				ar= MEM_callocN(sizeof(ARegion), "area region from do_versions");
diff --git a/source/blender/editors/space_node/node_draw.c b/source/blender/editors/space_node/node_draw.c
index 77e37895160..4008e43e83a 100644
--- a/source/blender/editors/space_node/node_draw.c
+++ b/source/blender/editors/space_node/node_draw.c
@@ -1072,7 +1072,7 @@ void drawnodespace(const bContext *C, ARegion *ar, View2D *v2d)
 	glEnable(GL_MAP1_VERTEX_3);
 
 	/* aspect+font, set each time */
-	snode->aspect= (v2d->cur.xmax - v2d->cur.xmin)/((float)sa->winx);
+	snode->aspect= (v2d->cur.xmax - v2d->cur.xmin)/((float)ar->winx);
 	//snode->curfont= uiSetCurFont_ext(snode->aspect);
 
 	UI_view2d_constant_grid_draw(C, v2d);
diff --git a/source/blender/editors/space_node/space_node.c b/source/blender/editors/space_node/space_node.c
index c54f4ede898..e9405c29546 100644
--- a/source/blender/editors/space_node/space_node.c
+++ b/source/blender/editors/space_node/space_node.c
@@ -78,6 +78,15 @@ static SpaceLink *node_new(const bContext *C)
 	ar->regiontype= RGN_TYPE_HEADER;
 	ar->alignment= RGN_ALIGN_BOTTOM;
 	
+	/* channels */
+	ar= MEM_callocN(sizeof(ARegion), "nodetree area for node");
+	
+	BLI_addtail(&snode->regionbase, ar);
+	ar->regiontype= RGN_TYPE_CHANNELS;
+	ar->alignment= RGN_ALIGN_LEFT;
+	
+	ar->v2d.scroll = (V2D_SCROLL_RIGHT|V2D_SCROLL_BOTTOM);
+	
 	/* main area */
 	ar= MEM_callocN(sizeof(ARegion), "main area for node");
 	
@@ -136,6 +145,35 @@ static SpaceLink *node_duplicate(SpaceLink *sl)
 	return (SpaceLink *)snoden;
 }
 
+static void node_channel_area_init(wmWindowManager *wm, ARegion *ar)
+{
+	UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_LIST, ar->winx, ar->winy);
+}
+
+static void node_channel_area_draw(const bContext *C, ARegion *ar)
+{
+	View2D *v2d= &ar->v2d;
+	View2DScrollers *scrollers;
+	float col[3];
+	
+	/* clear and setup matrix */
+	UI_GetThemeColor3fv(TH_SHADE2, col);
+	glClearColor(col[0], col[1], col[2], 0.0);
+	glClear(GL_COLOR_BUFFER_BIT);
+	
+	UI_view2d_view_ortho(C, v2d);
+	
+	/* data... */
+	
+	/* reset view matrix */
+	UI_view2d_view_restore(C);
+	
+	/* scrollers */
+	scrollers= UI_view2d_scrollers_calc(C, v2d, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
+	UI_view2d_scrollers_draw(C, v2d, scrollers);
+	UI_view2d_scrollers_free(scrollers);
+}
+
 /* Initialise main area, setting handlers. */
 static void node_main_area_init(wmWindowManager *wm, ARegion *ar)
 {
@@ -257,11 +295,11 @@ void ED_spacetype_node(void)
 	/* regions: channels */
 	art= MEM_callocN(sizeof(ARegionType), "spacetype node region");
 	art->regionid = RGN_TYPE_CHANNELS;
-	art->minsizex= 80;
+	art->minsizex= 200;
 	art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D;
 	
-//	art->init= node_channel_area_init;
-//	art->draw= node_channel_area_draw;
+	art->init= node_channel_area_init;
+	art->draw= node_channel_area_draw;
 	
 	BLI_addhead(&st->regiontypes, art);
 	
diff --git a/source/blender/makesdna/DNA_node_types.h b/source/blender/makesdna/DNA_node_types.h
index d5eb4024dcc..49711963870 100644
--- a/source/blender/makesdna/DNA_node_types.h
+++ b/source/blender/makesdna/DNA_node_types.h
@@ -154,6 +154,8 @@ typedef struct bNodeLink {
 	bNode *fromnode, *tonode;
 	bNodeSocket *fromsock, *tosock;
 	
+	int flag, pad;
+	
 } bNodeLink;
 
 /* the basis for a Node tree, all links and nodes reside internal here */