Keymap: add context menus for paint modes

These are place-holders with only a few items in each, as with the rest
of the context menus they need to be populated & organized.

Weight Paint 'weight' shortcut has been changed from W to Ctrl-F,
to co-exist w/ the context menu shortcut.

release/scripts/presets/keyconfig/keymap_data/blender_default.py

@@ -3565,7 +3565,7 @@ def _template_paint_radial_control(paint, rotation=False, secondary_rotation=Fal
     return items
 
 
-def km_image_paint(_params):
+def km_image_paint(params):
     items = []
     keymap = (
         "Image Paint",
@@ -3605,12 +3605,13 @@ def km_image_paint(_params):
         op_menu("VIEW3D_MT_angle_control", {"type": 'R', "value": 'PRESS'}),
         ("wm.context_menu_enum", {"type": 'E', "value": 'PRESS'},
          {"properties": [("data_path", 'tool_settings.image_paint.brush.stroke_method')]}),
+        op_menu("VIEW3D_MT_paint_texture_specials", params.context_menu_event),
     ])
 
     return keymap
 
 
-def km_vertex_paint(_params):
+def km_vertex_paint(params):
     items = []
     keymap = (
         "Vertex Paint",
@@ -3647,6 +3648,7 @@ def km_vertex_paint(_params):
         op_menu("VIEW3D_MT_angle_control", {"type": 'R', "value": 'PRESS'}),
         ("wm.context_menu_enum", {"type": 'E', "value": 'PRESS'},
          {"properties": [("data_path", 'tool_settings.vertex_paint.brush.stroke_method')]}),
+        op_menu("VIEW3D_MT_paint_vertex_specials", params.context_menu_event),
     ])
 
     return keymap
@@ -3674,7 +3676,7 @@ def km_weight_paint(params):
         ("brush.scale_size", {"type": 'RIGHT_BRACKET', "value": 'PRESS'},
          {"properties": [("scalar", 1.0 / 0.9)]}),
         *_template_paint_radial_control("weight_paint"),
-        ("wm.radial_control", {"type": 'W', "value": 'PRESS'},
+        ("wm.radial_control", {"type": 'F', "value": 'PRESS', "ctrl": True},
          radial_control_properties("weight_paint", 'weight', 'use_unified_weight')),
         ("wm.context_menu_enum", {"type": 'E', "value": 'PRESS'},
          {"properties": [("data_path", 'tool_settings.vertex_paint.brush.stroke_method')]}),
@@ -3684,6 +3686,7 @@ def km_weight_paint(params):
          {"properties": [("data_path", 'weight_paint_object.data.use_paint_mask_vertex')]}),
         ("wm.context_toggle", {"type": 'S', "value": 'PRESS', "shift": True},
          {"properties": [("data_path", 'tool_settings.weight_paint.brush.use_smooth_stroke')]}),
+        op_menu("VIEW3D_MT_paint_weight_specials", params.context_menu_event),
     ])
 
     if params.select_mouse == 'LEFTMOUSE':
@@ -3695,7 +3698,7 @@ def km_weight_paint(params):
     return keymap
 
 
-def km_sculpt(_params):
+def km_sculpt(params):
     items = []
     keymap = (
         "Sculpt",
@@ -3783,6 +3786,7 @@ def km_sculpt(_params):
         ("wm.context_toggle", {"type": 'S', "value": 'PRESS', "shift": True},
          {"properties": [("data_path", 'tool_settings.sculpt.brush.use_smooth_stroke')]}),
         op_menu("VIEW3D_MT_angle_control", {"type": 'R', "value": 'PRESS'}),
+        op_menu("VIEW3D_MT_sculpt_specials", params.context_menu_event),
     ])
 
     return keymap

release/scripts/startup/bl_ui/space_view3d.py

@@ -2244,6 +2244,26 @@ class VIEW3D_MT_paint_vertex(Menu):
         layout.operator("paint.vertex_color_brightness_contrast", text="Bright/Contrast")
 
 
+class VIEW3D_MT_paint_vertex_specials(Menu):
+    bl_label = "Vertex Paint Context Menu"
+
+    def draw(self, context):
+        layout = self.layout
+        # TODO: populate with useful items.
+        layout.operator("paint.vertex_color_set")
+        layout.separator()
+        layout.operator("paint.vertex_color_smooth")
+
+
+class VIEW3D_MT_paint_texture_specials(Menu):
+    bl_label = "Texture Paint Context Menu"
+
+    def draw(self, context):
+        layout = self.layout
+        # TODO: populate with useful items.
+        layout.operator("image.save_dirty")
+
+
 class VIEW3D_MT_hook(Menu):
     bl_label = "Hooks"
 
@@ -2341,6 +2361,19 @@ class VIEW3D_MT_paint_weight(Menu):
         self.draw_generic(self.layout, is_editmode=False)
 
 
+class VIEW3D_MT_paint_weight_specials(Menu):
+    bl_label = "Weights Context Menu"
+
+    def draw(self, context):
+        layout = self.layout
+        # TODO: populate with useful items.
+        layout.operator("paint.weight_set")
+        layout.separator()
+        layout.operator("object.vertex_group_normalize", text="Normalize")
+        layout.operator("object.vertex_group_clean", text="Clean")
+        layout.operator("object.vertex_group_smooth", text="Smooth")
+
+
 class VIEW3D_MT_sculpt(Menu):
     bl_label = "Sculpt"
 
@@ -2374,6 +2407,16 @@ class VIEW3D_MT_sculpt(Menu):
         layout.prop(sculpt, "show_mask")
 
 
+class VIEW3D_MT_sculpt_specials(Menu):
+    bl_label = "Sculpt Context Menu"
+
+    def draw(self, context):
+        layout = self.layout
+        # TODO: populate with useful items.
+        layout.operator("object.shade_smooth")
+        layout.operator("object.shade_flat")
+
+
 class VIEW3D_MT_hide_mask(Menu):
     bl_label = "Hide/Mask"
 
@@ -5753,10 +5796,14 @@ classes = (
     VIEW3D_MT_brush,
     VIEW3D_MT_brush_paint_modes,
     VIEW3D_MT_paint_vertex,
+    VIEW3D_MT_paint_vertex_specials,
+    VIEW3D_MT_paint_texture_specials,
     VIEW3D_MT_hook,
     VIEW3D_MT_vertex_group,
     VIEW3D_MT_paint_weight,
+    VIEW3D_MT_paint_weight_specials,
     VIEW3D_MT_sculpt,
+    VIEW3D_MT_sculpt_specials,
     VIEW3D_MT_hide_mask,
     VIEW3D_MT_particle,
     VIEW3D_MT_particle_specials,