Merged changes in the trunk up to revision 54110.

Conflicts resolved:
source/blender/blenfont/SConscript
source/blender/blenkernel/intern/subsurf_ccg.c
source/blender/makesdna/intern/makesdna.c
source/blender/makesrna/intern/rna_scene.c

11 files changed, 317 insertions, 61 deletions

diff --git a/release/scripts/startup/bl_operators/__init__.py b/release/scripts/startup/bl_operators/__init__.py
index c12b0b00f54..64851a3a4c1 100644
--- a/release/scripts/startup/bl_operators/__init__.py
+++ b/release/scripts/startup/bl_operators/__init__.py
@@ -35,6 +35,7 @@ _modules = [
     "object_randomize_transform",
     "object_quick_effects",
     "presets",
+    "rigidbody",
     "screen_play_rendered_anim",
     "sequencer",
     "uvcalc_follow_active",
diff --git a/release/scripts/startup/bl_operators/node.py b/release/scripts/startup/bl_operators/node.py
index 39e00f94953..bc0224db765 100644
--- a/release/scripts/startup/bl_operators/node.py
+++ b/release/scripts/startup/bl_operators/node.py
@@ -22,6 +22,7 @@ import bpy
 from bpy.types import Operator
 from bpy.props import BoolProperty, EnumProperty, StringProperty
 
+
 # Base class for node 'Add' operators
 class NodeAddOperator():
     @staticmethod
@@ -78,8 +79,9 @@ class NODE_OT_add_node(NodeAddOperator, Operator):
     use_transform = BoolProperty(
             name="Use Transform",
             description="Start transform operator after inserting the node",
-            default = False,
+            default=False,
             )
+
     def execute(self, context):
         node = self.create_node(context, self.type)
 
diff --git a/release/scripts/startup/bl_operators/object.py b/release/scripts/startup/bl_operators/object.py
index 9e449f325d6..567ea830409 100644
--- a/release/scripts/startup/bl_operators/object.py
+++ b/release/scripts/startup/bl_operators/object.py
@@ -110,6 +110,12 @@ class SelectCamera(Operator):
     bl_label = "Select Camera"
     bl_options = {'REGISTER', 'UNDO'}
 
+    extend = BoolProperty(
+            name="Extend",
+            description="Extend the selection",
+            default=False
+            )
+
     def execute(self, context):
         scene = context.scene
         view = context.space_data
@@ -123,6 +129,8 @@ class SelectCamera(Operator):
         elif camera.name not in scene.objects:
             self.report({'WARNING'}, "Active camera is not in this scene")
         else:
+            if not self.extend:
+                bpy.ops.object.select_all(action='DESELECT')
             context.scene.objects.active = camera
             camera.select = True
             return {'FINISHED'}
@@ -297,7 +305,7 @@ class ShapeTransfer(Operator):
                    ('RELATIVE_EDGE',
                    "Relative Edge",
                    "Calculate relative position (using edges)",
-                   ),
+                    ),
                    ),
             name="Transformation Mode",
             description="Relative shape positions to the new shape method",
@@ -674,7 +682,7 @@ class TransformsToDeltasAnim(Operator):
             "scale"                : "delta_scale"
         }
         DELTA_PATHS = STANDARD_TO_DELTA_PATHS.values()
-        
+
         # try to apply on each selected object
         success = False
         for obj in context.selected_editable_objects:
@@ -684,7 +692,7 @@ class TransformsToDeltasAnim(Operator):
                             "No animation data to convert on object: %r" %
                             obj.name)
                 continue
-            
+
             # first pass over F-Curves: ensure that we don't have conflicting
             # transforms already (e.g. if this was applied already) [#29110]
             existingFCurves = {}
@@ -700,7 +708,7 @@ class TransformsToDeltasAnim(Operator):
                 else:
                     # non-transform - ignore
                     continue
-                    
+
                 # a delta path like this for the same index shouldn't
                 # exist already, otherwise we've got a conflict
                 if dpath in existingFCurves:
@@ -708,8 +716,9 @@ class TransformsToDeltasAnim(Operator):
                     if fcu.array_index in existingFCurves[dpath]:
                         # conflict
                         self.report({'ERROR'},
-                            "Object '%r' already has '%r' F-Curve(s). Remove these before trying again" %
-                            (obj.name, dpath))
+                                    "Object '%r' already has '%r' F-Curve(s). "
+                                    "Remove these before trying again" %
+                                    (obj.name, dpath))
                         return {'CANCELLED'}
                     else:
                         # no conflict here
@@ -717,8 +726,7 @@ class TransformsToDeltasAnim(Operator):
                 else:
                     # no conflict yet
                     existingFCurves[dpath] = [fcu.array_index]
-                
-            
+
             # if F-Curve uses standard transform path
             # just append "delta_" to this path
             for fcu in adt.action.fcurves:
@@ -758,7 +766,7 @@ class DupliOffsetFromCursor(Operator):
 
     @classmethod
     def poll(cls, context):
-        return  context.active_object is not None
+        return (context.active_object is not None)
 
     def execute(self, context):
         scene = context.scene
diff --git a/release/scripts/startup/bl_operators/object_align.py b/release/scripts/startup/bl_operators/object_align.py
index a32bb8c5353..dd647733850 100644
--- a/release/scripts/startup/bl_operators/object_align.py
+++ b/release/scripts/startup/bl_operators/object_align.py
@@ -114,14 +114,15 @@ def GlobalBB_HQ(obj):
     return Vector((left, front, up)), Vector((right, back, down))
 
 
-def align_objects(align_x,
+def align_objects(context,
+                  align_x,
                   align_y,
                   align_z,
                   align_mode,
                   relative_to,
                   bb_quality):
 
-    cursor = bpy.context.scene.cursor_location
+    cursor = context.scene.cursor_location
 
     Left_Front_Up_SEL = [0.0, 0.0, 0.0]
     Right_Back_Down_SEL = [0.0, 0.0, 0.0]
@@ -130,7 +131,7 @@ def align_objects(align_x,
 
     objs = []
 
-    for obj in bpy.context.selected_objects:
+    for obj in context.selected_objects:
         matrix_world = obj.matrix_world.copy()
         bb_world = [matrix_world * Vector(v[:]) for v in obj.bound_box]
         objs.append((obj, bb_world))
@@ -150,7 +151,7 @@ def align_objects(align_x,
 
         # Active Center
 
-        if obj == bpy.context.active_object:
+        if obj == context.active_object:
 
             center_active_x = (Left_Front_Up[0] + Right_Back_Down[0]) / 2.0
             center_active_y = (Left_Front_Up[1] + Right_Back_Down[1]) / 2.0
@@ -386,7 +387,8 @@ class AlignObjects(Operator):
 
     def execute(self, context):
         align_axis = self.align_axis
-        ret = align_objects('X' in align_axis,
+        ret = align_objects(context,
+                            'X' in align_axis,
                             'Y' in align_axis,
                             'Z' in align_axis,
                             self.align_mode,
diff --git a/release/scripts/startup/bl_operators/object_quick_effects.py b/release/scripts/startup/bl_operators/object_quick_effects.py
index cd0b63a6b78..47012f0c459 100644
--- a/release/scripts/startup/bl_operators/object_quick_effects.py
+++ b/release/scripts/startup/bl_operators/object_quick_effects.py
@@ -72,7 +72,7 @@ class QuickFur(Operator):
             )
 
     def execute(self, context):
-        fake_context = bpy.context.copy()
+        fake_context = context.copy()
         mesh_objects = [obj for obj in context.selected_objects
                         if obj.type == 'MESH']
 
@@ -161,7 +161,7 @@ class QuickExplode(Operator):
             )
 
     def execute(self, context):
-        fake_context = bpy.context.copy()
+        fake_context = context.copy()
         obj_act = context.active_object
 
         if obj_act is None or obj_act.type != 'MESH':
@@ -311,7 +311,7 @@ class QuickSmoke(Operator):
             )
 
     def execute(self, context):
-        fake_context = bpy.context.copy()
+        fake_context = context.copy()
         mesh_objects = [obj for obj in context.selected_objects
                         if obj.type == 'MESH']
         min_co = Vector((100000.0, 100000.0, 100000.0))
@@ -432,7 +432,7 @@ class QuickFluid(Operator):
             )
 
     def execute(self, context):
-        fake_context = bpy.context.copy()
+        fake_context = context.copy()
         mesh_objects = [obj for obj in context.selected_objects
                         if (obj.type == 'MESH' and not 0.0 in obj.dimensions)]
         min_co = Vector((100000, 100000, 100000))
diff --git a/release/scripts/startup/bl_operators/object_randomize_transform.py b/release/scripts/startup/bl_operators/object_randomize_transform.py
index a6efc9dfd85..38110328603 100644
--- a/release/scripts/startup/bl_operators/object_randomize_transform.py
+++ b/release/scripts/startup/bl_operators/object_randomize_transform.py
@@ -23,7 +23,8 @@ from bpy.types import Operator
 from mathutils import Vector
 
 
-def randomize_selected(seed, delta, loc, rot, scale, scale_even, scale_min):
+def randomize_selected(context, seed, delta,
+                       loc, rot, scale, scale_even, scale_min):
 
     import random
     from random import uniform
@@ -33,7 +34,7 @@ def randomize_selected(seed, delta, loc, rot, scale, scale_even, scale_min):
     def rand_vec(vec_range):
         return Vector(uniform(-val, val) for val in vec_range)
 
-    for obj in bpy.context.selected_objects:
+    for obj in context.selected_objects:
 
         if loc:
             if delta:
@@ -180,6 +181,7 @@ class RandomizeLocRotSize(Operator):
         #scale_min = self.scale_min
         scale_min = 0
 
-        randomize_selected(seed, delta, loc, rot, scale, scale_even, scale_min)
+        randomize_selected(context, seed, delta,
+                           loc, rot, scale, scale_even, scale_min)
 
         return {'FINISHED'}
diff --git a/release/scripts/startup/bl_operators/presets.py b/release/scripts/startup/bl_operators/presets.py
index ee9769d8b43..dac7adecaff 100644
--- a/release/scripts/startup/bl_operators/presets.py
+++ b/release/scripts/startup/bl_operators/presets.py
@@ -320,13 +320,13 @@ class AddPresetFluid(AddPresetBase, Operator):
     preset_menu = "FLUID_MT_presets"
 
     preset_defines = [
-    "fluid = bpy.context.fluid"
-    ]
+        "fluid = bpy.context.fluid"
+        ]
 
     preset_values = [
-    "fluid.settings.viscosity_base",
-    "fluid.settings.viscosity_exponent",
-    ]
+        "fluid.settings.viscosity_base",
+        "fluid.settings.viscosity_exponent",
+        ]
 
     preset_subdir = "fluid"
 
@@ -477,7 +477,7 @@ class AddPresetNodeColor(AddPresetBase, Operator):
 class AddPresetInterfaceTheme(AddPresetBase, Operator):
     """Add a theme preset"""
     bl_idname = "wm.interface_theme_preset_add"
-    bl_label = "Add Tracking Settings Preset"
+    bl_label = "Add Theme Preset"
     preset_menu = "USERPREF_MT_interface_theme_presets"
     preset_subdir = "interface_theme"
 
diff --git a/release/scripts/startup/bl_operators/rigidbody.py b/release/scripts/startup/bl_operators/rigidbody.py
new file mode 100644
index 00000000000..bad86163932
--- /dev/null
+++ b/release/scripts/startup/bl_operators/rigidbody.py
@@ -0,0 +1,251 @@
+# ##### 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.
+#
+# ##### END GPL LICENSE BLOCK #####
+
+# <pep8-80 compliant>
+
+import bpy
+from bpy.types import Operator
+from bpy.props import IntProperty
+from bpy.props import EnumProperty
+
+
+class CopyRigidbodySettings(Operator):
+    '''Copy Rigid Body settings from active object to selected'''
+    bl_idname = "rigidbody.object_settings_copy"
+    bl_label = "Copy Rigidbody Settings"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    @classmethod
+    def poll(cls, context):
+        obj = context.object
+        return (obj and obj.rigid_body)
+
+    def execute(self, context):
+        obj = context.object
+        scn = context.scene
+
+        # deselect all but mesh objects
+        for o in context.selected_objects:
+            if o.type != 'MESH':
+                o.select = False
+
+        sel = context.selected_objects
+        if sel:
+            # add selected objects to active one groups and recalculate
+            bpy.ops.group.objects_add_active()
+            scn.frame_set(scn.frame_current)
+
+            # copy settings
+            for o in sel:
+                if o.rigid_body is None:
+                    continue
+                
+                o.rigid_body.type = obj.rigid_body.type
+                o.rigid_body.kinematic = obj.rigid_body.kinematic
+                o.rigid_body.mass = obj.rigid_body.mass
+                o.rigid_body.collision_shape = obj.rigid_body.collision_shape
+                o.rigid_body.use_margin = obj.rigid_body.use_margin
+                o.rigid_body.collision_margin = obj.rigid_body.collision_margin
+                o.rigid_body.friction = obj.rigid_body.friction
+                o.rigid_body.restitution = obj.rigid_body.restitution
+                o.rigid_body.use_deactivation = obj.rigid_body.use_deactivation
+                o.rigid_body.start_deactivated = obj.rigid_body.start_deactivated
+                o.rigid_body.deactivate_linear_velocity = obj.rigid_body.deactivate_linear_velocity
+                o.rigid_body.deactivate_angular_velocity = obj.rigid_body.deactivate_angular_velocity
+                o.rigid_body.linear_damping = obj.rigid_body.linear_damping
+                o.rigid_body.angular_damping = obj.rigid_body.angular_damping
+                o.rigid_body.collision_groups = obj.rigid_body.collision_groups
+
+        return {'FINISHED'}
+
+
+class BakeToKeyframes(Operator):
+    '''Bake rigid body transformations of selected objects to keyframes'''
+    bl_idname = "rigidbody.bake_to_keyframes"
+    bl_label = "Bake To Keyframes"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    frame_start = IntProperty(
+            name="Start Frame",
+            description="Start frame for baking",
+            min=0, max=300000,
+            default=1,
+            )
+    frame_end = IntProperty(
+            name="End Frame",
+            description="End frame for baking",
+            min=1, max=300000,
+            default=250,
+            )
+    step = IntProperty(
+            name="Frame Step",
+            description="Frame Step",
+            min=1, max=120,
+            default=1,
+            )
+
+    @classmethod
+    def poll(cls, context):
+        obj = context.object
+        return (obj and obj.rigid_body)
+
+    def execute(self, context):
+        bake = []
+        objs = []
+        scene = context.scene
+        frame_orig = scene.frame_current
+        frames = list(range(self.frame_start, self.frame_end + 1, self.step))
+
+        # filter objects selection
+        for obj in context.selected_objects:
+            if not obj.rigid_body or obj.rigid_body.type != 'ACTIVE':
+                obj.select = False
+
+        objs = context.selected_objects
+
+        if objs:
+            # store transformation data
+            for f in list(range(self.frame_start, self.frame_end + 1)):
+                scene.frame_set(f)
+                if f in frames:
+                    mat = {}
+                    for i, obj in enumerate(objs):
+                        mat[i] = obj.matrix_world.copy()
+                    bake.append(mat)
+
+            # apply transformations as keyframes
+            for i, f in enumerate(frames):
+                scene.frame_set(f)
+                obj_prev = objs[0]
+                for j, obj in enumerate(objs):
+                    mat = bake[i][j]
+
+                    obj.location = mat.to_translation()
+
+                    rot_mode = obj.rotation_mode
+                    if rot_mode == 'QUATERNION':
+                        obj.rotation_quaternion = mat.to_quaternion()
+                    elif rot_mode == 'AXIS_ANGLE':
+                        # this is a little roundabout but there's no better way right now
+                        aa = mat.to_quaternion().to_axis_angle()
+                        obj.rotation_axis_angle = (aa[1], ) + aa[0][:]
+                    else: # euler
+                        # make sure euler rotation is compatible to previous frame
+                        obj.rotation_euler = mat.to_euler(rot_mode, obj_prev.rotation_euler)
+
+                    obj_prev = obj
+
+                bpy.ops.anim.keyframe_insert(type='BUILTIN_KSI_LocRot', confirm_success=False)
+
+            # remove baked objects from simulation
+            bpy.ops.rigidbody.objects_remove()
+
+            # clean up keyframes
+            for obj in objs:
+                action = obj.animation_data.action
+                for fcu in action.fcurves:
+                    keyframe_points = fcu.keyframe_points
+                    i = 1
+                    # remove unneeded keyframes
+                    while i < len(keyframe_points) - 1:
+                        val_prev = keyframe_points[i - 1].co[1]
+                        val_next = keyframe_points[i + 1].co[1]
+                        val = keyframe_points[i].co[1]
+
+                        if abs(val - val_prev) + abs(val - val_next) < 0.0001:
+                            keyframe_points.remove(keyframe_points[i])
+                        else:
+                            i += 1
+                    # use linear interpolation for better visual results
+                    for keyframe in keyframe_points:
+                        keyframe.interpolation = 'LINEAR'
+
+            # return to the frame we started on
+            scene.frame_set(frame_orig)
+
+        return {'FINISHED'}
+
+    def invoke(self, context, event):
+        scene = context.scene
+        self.frame_start = scene.frame_start
+        self.frame_end = scene.frame_end
+
+        wm = context.window_manager
+        return wm.invoke_props_dialog(self)
+
+
+class ConnectRigidBodies(Operator):
+
+
+    '''Connect selected rigid bodies to active'''
+    bl_idname = "rigidbody.connect"
+    bl_label = "ConnectRigidBodies"
+    bl_options = {'REGISTER', 'UNDO'}
+
+    con_type = EnumProperty(
+        name="Type",
+        description="Type of generated contraint",
+        items=(('FIXED', "Fixed", "Glues ridig bodies together"),
+               ('POINT', "Point", "Constrains rigid bodies to move aound common pivot point"),
+               ('HINGE', "Hinge", "Restricts rigid body rotation to one axis"),
+               ('SLIDER', "Slider", "Restricts rigid boddy translation to one axis"),
+               ('PISTON', "Piston", "Restricts rigid boddy translation and rotation to one axis"),
+               ('GENERIC', "Generic", "Restricts translation and rotation to specified axes"),
+               ('GENERIC_SPRING', "Generic Spring", "Restricts translation and rotation to specified axes with springs")),
+        default='FIXED',)
+
+    pivot_type = EnumProperty(
+        name="Location",
+        description="Constraint pivot location",
+        items=(('CENTER', "Center", "Pivot location is between the constrained rigid bodies"),
+               ('ACTIVE', "Active", "Pivot location is at the active object position"),
+               ('SELECTED', "Selected", "Pivot location is at the slected object position")),
+        default='CENTER',)
+
+    @classmethod
+    def poll(cls, context):
+        obj = context.object
+        objs = context.selected_objects
+        return (obj and obj.rigid_body and (len(objs) > 1))
+
+    def execute(self, context):
+
+        objs = context.selected_objects
+        obj_act = context.active_object
+
+        for obj in objs:
+            if obj == obj_act:
+                continue
+            if self.pivot_type == 'ACTIVE':
+                loc = obj_act.location
+            elif self.pivot_type == 'SELECTED':
+                loc = obj.location
+            else:
+                loc = (obj_act.location + obj.location) / 2.0
+            bpy.ops.object.add(type='EMPTY', view_align=False, enter_editmode=False, location=loc)
+            bpy.ops.rigidbody.constraint_add()
+            con = context.active_object.rigid_body_constraint
+            con.type = self.con_type
+            con.object1 = obj_act
+            con.object2 = obj
+
+        return {'FINISHED'}
+
+    def invoke(self, context, event):
+        wm = context.window_manager
+        return wm.invoke_props_dialog(self)
diff --git a/release/scripts/startup/bl_operators/uvcalc_follow_active.py b/release/scripts/startup/bl_operators/uvcalc_follow_active.py
index 7b6013f3044..ee3ae2878dc 100644
--- a/release/scripts/startup/bl_operators/uvcalc_follow_active.py
+++ b/release/scripts/startup/bl_operators/uvcalc_follow_active.py
@@ -26,18 +26,18 @@ from bpy.types import Operator
 
 
 def extend(obj, operator, EXTEND_MODE):
-    
+
     import bmesh
     me = obj.data
     # script will fail without UVs
     if not me.uv_textures:
         me.uv_textures.new()
-    
+
     bm = bmesh.from_edit_mesh(me)
-    
+
     f_act = bm.faces.active
     uv_act = bm.loops.layers.uv.active
-    
+
     if f_act is None:
         operator.report({'ERROR'}, "No active face")
         return
@@ -57,7 +57,7 @@ def extend(obj, operator, EXTEND_MODE):
             f.tag = False
         # tag the active face True since we begin there
         f_act.tag = True
-    
+
     def walk_face(f):
         # all faces in this list must be tagged
         f.tag = True
@@ -102,7 +102,6 @@ def extend(obj, operator, EXTEND_MODE):
             else:
                 break
 
-
     def extrapolate_uv(fac,
                        l_a_outer, l_a_inner,
                        l_b_outer, l_b_inner):
@@ -112,7 +111,7 @@ def extend(obj, operator, EXTEND_MODE):
     def apply_uv(f_prev, l_prev, f_next):
         l_a = [None, None, None, None]
         l_b = [None, None, None, None]
-        
+
         l_a[0] = l_prev
         l_a[1] = l_a[0].link_loop_next
         l_a[2] = l_a[1].link_loop_next
@@ -133,7 +132,7 @@ def extend(obj, operator, EXTEND_MODE):
         #  +-----------+
         #  copy from this face to the one above.
 
-        # get the other loops 
+        # get the other loops
         l_next = l_prev.link_loop_radial_next
         if l_next.vert != l_prev.vert:
             l_b[1] = l_next
diff --git a/release/scripts/startup/bl_operators/uvcalc_lightmap.py b/release/scripts/startup/bl_operators/uvcalc_lightmap.py
index 198b3660ff8..b24a71365b4 100644
--- a/release/scripts/startup/bl_operators/uvcalc_lightmap.py
+++ b/release/scripts/startup/bl_operators/uvcalc_lightmap.py
@@ -189,14 +189,14 @@ class prettyface(object):
 
 
 def lightmap_uvpack(meshes,
-                      PREF_SEL_ONLY=True,
-                      PREF_NEW_UVLAYER=False,
-                      PREF_PACK_IN_ONE=False,
-                      PREF_APPLY_IMAGE=False,
-                      PREF_IMG_PX_SIZE=512,
-                      PREF_BOX_DIV=8,
-                      PREF_MARGIN_DIV=512
-                      ):
+                    PREF_SEL_ONLY=True,
+                    PREF_NEW_UVLAYER=False,
+                    PREF_PACK_IN_ONE=False,
+                    PREF_APPLY_IMAGE=False,
+                    PREF_IMG_PX_SIZE=512,
+                    PREF_BOX_DIV=8,
+                    PREF_MARGIN_DIV=512
+                    ):
     """
     BOX_DIV if the maximum division of the UV map that
     a box may be consolidated into.
@@ -516,7 +516,7 @@ def lightmap_uvpack(meshes,
 
 def unwrap(operator, context, **kwargs):
 
-    is_editmode = (bpy.context.object.mode == 'EDIT')
+    is_editmode = (context.object.mode == 'EDIT')
     if is_editmode:
         bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
 
diff --git a/release/scripts/startup/bl_operators/wm.py b/release/scripts/startup/bl_operators/wm.py
index 00cc763c4e1..fa2cb5d5356 100644
--- a/release/scripts/startup/bl_operators/wm.py
+++ b/release/scripts/startup/bl_operators/wm.py
@@ -500,18 +500,16 @@ class WM_MT_context_menu_enum(Menu):
 
     def draw(self, context):
         data_path = self.data_path
-        value = context_path_validate(bpy.context, data_path)
+        value = context_path_validate(context, data_path)
         if value is Ellipsis:
             return {'PASS_THROUGH'}
         base_path, prop_string = data_path.rsplit(".", 1)
         value_base = context_path_validate(context, base_path)
+        prop = value_base.bl_rna.properties[prop_string]
 
-        values = [(i.name, i.identifier) for i in value_base.bl_rna.properties[prop_string].enum_items]
-
-        for name, identifier in values:
-            props = self.layout.operator("wm.context_set_enum", text=name)
-            props.data_path = data_path
-            props.value = identifier
+        layout = self.layout
+        layout.label(prop.name, icon=prop.icon)
+        layout.prop(value_base, prop_string, expand=True)
 
 
 class WM_OT_context_menu_enum(Operator):
@@ -1255,13 +1253,6 @@ class WM_OT_copy_prev_settings(Operator):
         else:
             shutil.copytree(path_src, path_dst, symlinks=True)
 
-            # in 2.57 and earlier windows installers, system scripts were copied
-            # into the configuration directory, don't want to copy those
-            system_script = os.path.join(path_dst, "scripts/modules/bpy_types.py")
-            if os.path.isfile(system_script):
-                shutil.rmtree(os.path.join(path_dst, "scripts"))
-                shutil.rmtree(os.path.join(path_dst, "plugins"))
-
             # don't loose users work if they open the splash later.
             if bpy.data.is_saved is bpy.data.is_dirty is False:
                 bpy.ops.wm.read_homefile()
@@ -1596,7 +1587,7 @@ class WM_OT_addon_enable(Operator):
                                           "version %d.%d.%d and might not "
                                           "function (correctly), "
                                           "though it is enabled") %
-                                          info_ver)
+                                         info_ver)
             return {'FINISHED'}
         else:
             return {'CANCELLED'}
@@ -1739,7 +1730,7 @@ class WM_OT_addon_install(Operator):
             # don't use bpy.utils.script_paths("addons") because we may not be able to write to it.
             path_addons = bpy.utils.user_resource('SCRIPTS', "addons", create=True)
         else:
-            path_addons = bpy.context.user_preferences.filepaths.script_directory
+            path_addons = context.user_preferences.filepaths.script_directory
             if path_addons:
                 path_addons = os.path.join(path_addons, "addons")