UI: context menu for other editor types

D3458 by @billreynish w/ edits.

- Context menu for dope-sheet, graph, image & node editors.
- Add type to contenxt menu header.
- Access with W-Key.
- Change UV-editor weld key binding to Shift-W.

5 files changed, 214 insertions, 6 deletions

diff --git a/release/scripts/startup/bl_ui/space_dopesheet.py b/release/scripts/startup/bl_ui/space_dopesheet.py
index 3fedf8bc08c..136cb03a3fb 100644
--- a/release/scripts/startup/bl_ui/space_dopesheet.py
+++ b/release/scripts/startup/bl_ui/space_dopesheet.py
@@ -469,6 +469,66 @@ class DOPESHEET_MT_delete(Menu):
         layout.operator("action.clean", text="Clean Channels").channels = True
 
 
+class DOPESHEET_MT_specials(Menu):
+    bl_label = "Dope Sheet Context Menu"
+
+    def draw(self, context):
+        layout = self.layout
+
+        layout.operator("action.copy", text="Copy")
+        layout.operator("action.paste", text="Paste")
+        layout.operator("action.paste", text="Paste Flipped").flipped = True
+
+        layout.separator()
+
+        layout.operator_menu_enum("action.handle_type", "type", text="Handle Type")
+        layout.operator_menu_enum("action.interpolation_type", "type", text="Interpolation Mode")
+        layout.operator_menu_enum("action.easing_type", "type", text="Easing Type")
+
+        layout.separator()
+
+        layout.operator("action.keyframe_insert").type = 'SEL'
+        layout.operator("action.duplicate_move")
+        layout.operator("action.delete")
+
+        layout.separator()
+
+        layout.operator_menu_enum("action.mirror", "type", text="Mirror")
+        layout.operator_menu_enum("action.snap", "type", text="Snap")
+
+class DOPESHEET_MT_channel_specials(Menu):
+    bl_label = "Dope Sheet Channel Context Menu"
+
+    def draw(self, context):
+        layout = self.layout
+
+
+        layout.operator("anim.channels_setting_enable", text="Mute Channels").type='MUTE'
+        layout.operator("anim.channels_setting_disable", text="Unmute Channels").type='MUTE'
+        layout.separator()
+        layout.operator("anim.channels_setting_enable", text="Protect Channels").type='PROTECT'
+        layout.operator("anim.channels_setting_disable", text="Unprotect Channels").type='PROTECT'
+
+        layout.separator()
+        layout.operator("anim.channels_group")
+        layout.operator("anim.channels_ungroup")
+
+        layout.separator()
+        layout.operator("anim.channels_editable_toggle")
+        layout.operator_menu_enum("action.extrapolation_type", "type", text="Extrapolation Mode")
+
+        layout.separator()
+        layout.operator("anim.channels_expand")
+        layout.operator("anim.channels_collapse")
+
+        layout.separator()
+        layout.operator_menu_enum("anim.channels_move", "direction", text="Move...")
+
+        layout.separator()
+
+        layout.operator("anim.channels_delete")
+
+
 classes = (
     DOPESHEET_HT_header,
     DOPESHEET_HT_editor_buttons,
@@ -482,6 +542,8 @@ classes = (
     DOPESHEET_MT_gpencil_channel,
     DOPESHEET_MT_gpencil_frame,
     DOPESHEET_MT_delete,
+    DOPESHEET_MT_specials,
+    DOPESHEET_MT_channel_specials,
 )
 
 if __name__ == "__main__":  # only for live edit.
diff --git a/release/scripts/startup/bl_ui/space_graph.py b/release/scripts/startup/bl_ui/space_graph.py
index 7e927bb6385..1eb25700868 100644
--- a/release/scripts/startup/bl_ui/space_graph.py
+++ b/release/scripts/startup/bl_ui/space_graph.py
@@ -299,6 +299,76 @@ class GRAPH_MT_delete(Menu):
         layout.operator("graph.clean").channels = False
         layout.operator("graph.clean", text="Clean Channels").channels = True
 
+
+class GRAPH_MT_specials(Menu):
+    bl_label = "F-Curve Context Menu"
+
+    def draw(self, context):
+        layout = self.layout
+
+        layout.operator("graph.copy", text="Copy")
+        layout.operator("graph.paste", text="Paste")
+        layout.operator("graph.paste", text="Paste Flipped").flipped = True
+
+        layout.separator()
+
+        layout.operator_menu_enum("graph.handle_type", "type", text="Handle Type")
+        layout.operator_menu_enum("graph.interpolation_type", "type", text="Interpolation Mode")
+        layout.operator_menu_enum("graph.easing_type", "type", text="Easing Type")
+
+        layout.separator()
+
+        layout.operator("graph.keyframe_insert").type = 'SEL'
+        layout.operator("graph.duplicate_move")
+        layout.operator("graph.delete")
+
+        layout.separator()
+
+        layout.operator_menu_enum("graph.mirror", "type", text="Mirror")
+        layout.operator_menu_enum("graph.snap", "type", text="Snap")
+
+
+class GRAPH_MT_channel_specials(Menu):
+    bl_label = "F-Curve Channel Context Menu"
+
+    def draw(self, context):
+        layout = self.layout
+        st = context.space_data
+
+        layout.separator()
+        layout.operator("anim.channels_setting_enable", text="Mute Channels").type='MUTE'
+        layout.operator("anim.channels_setting_disable", text="Unmute Channels").type='MUTE'
+        layout.separator()
+        layout.operator("anim.channels_setting_enable", text="Protect Channels").type='PROTECT'
+        layout.operator("anim.channels_setting_disable", text="Unprotect Channels").type='PROTECT'
+
+        layout.separator()
+        layout.operator("anim.channels_group")
+        layout.operator("anim.channels_ungroup")
+
+        layout.separator()
+        layout.operator("anim.channels_editable_toggle")
+        layout.operator_menu_enum("graph.extrapolation_type", "type", text="Extrapolation Mode")
+
+        layout.separator()
+        layout.operator("graph.hide", text="Hide Selected Curves").unselected = False
+        layout.operator("graph.hide", text="Hide Unselected Curves").unselected = True
+        layout.operator("graph.reveal")
+
+        layout.separator()
+        layout.operator("anim.channels_expand")
+        layout.operator("anim.channels_collapse")
+
+        layout.separator()
+        layout.operator_menu_enum("anim.channels_move", "direction", text="Move...")
+
+        layout.separator()
+
+        layout.operator("anim.channels_delete")
+        if st.mode == 'DRIVERS':
+            layout.operator("graph.driver_delete_invalid")
+
+
 classes = (
     GRAPH_HT_header,
     GRAPH_MT_editor_menus,
@@ -309,6 +379,8 @@ classes = (
     GRAPH_MT_key,
     GRAPH_MT_key_transform,
     GRAPH_MT_delete,
+    GRAPH_MT_specials,
+    GRAPH_MT_channel_specials,
 )
 
 if __name__ == "__main__":  # only for live edit.
diff --git a/release/scripts/startup/bl_ui/space_image.py b/release/scripts/startup/bl_ui/space_image.py
index b1ff1618d09..457c64c5fed 100644
--- a/release/scripts/startup/bl_ui/space_image.py
+++ b/release/scripts/startup/bl_ui/space_image.py
@@ -422,6 +422,43 @@ class IMAGE_MT_uvs_select_mode(Menu):
             props.data_path = "tool_settings.uv_select_mode"
 
 
+class IMAGE_MT_specials(Menu):
+    bl_label = "UV Context Menu"
+
+    def draw(self, context):
+        layout = self.layout
+
+        sima = context.space_data
+
+        # UV Edit Mode
+        if sima.show_uvedit:
+            layout.operator("uv.unwrap")
+            layout.operator("uv.follow_active_quads")
+
+            layout.separator()
+
+            layout.operator("uv.pin").clear = False
+            layout.operator("uv.pin", text="Unpin").clear = True
+
+            layout.separator()
+
+            layout.operator("uv.weld")
+            layout.operator("uv.stitch")
+
+            layout.separator()
+
+            layout.operator_enum("uv.align", "axis")  # W, 2/3/4
+
+            layout.separator()
+
+            layout.operator("transform.mirror", text="Mirror X").constraint_axis[0] = True
+            layout.operator("transform.mirror", text="Mirror Y").constraint_axis[1] = True
+
+            layout.separator()
+
+            layout.menu("IMAGE_MT_uvs_snap")
+
+
 class IMAGE_HT_header(Header):
     bl_space_type = 'IMAGE_EDITOR'
 
@@ -1308,6 +1345,7 @@ classes = (
     IMAGE_MT_uvs_mirror,
     IMAGE_MT_uvs_weldalign,
     IMAGE_MT_uvs_select_mode,
+    IMAGE_MT_specials,
     IMAGE_HT_header,
     MASK_MT_editor_menus,
     IMAGE_PT_mask,
diff --git a/release/scripts/startup/bl_ui/space_node.py b/release/scripts/startup/bl_ui/space_node.py
index 0963613af5c..fce031f987b 100644
--- a/release/scripts/startup/bl_ui/space_node.py
+++ b/release/scripts/startup/bl_ui/space_node.py
@@ -290,6 +290,41 @@ class NODE_MT_node_color_specials(Menu):
         layout.operator("node.node_copy_color", icon='COPY_ID')
 
 
+class NODE_MT_specials(Menu):
+    bl_label = "Node Context Menu"
+
+    def draw(self, context):
+        layout = self.layout
+
+        layout.operator_context = 'INVOKE_DEFAULT'
+        layout.operator("node.duplicate_move")
+        layout.operator("node.delete")
+        layout.operator_context = 'EXEC_DEFAULT'
+
+        layout.operator("node.delete_reconnect")
+
+        layout.separator()
+
+        layout.operator("node.link_make").replace = False
+        layout.operator("node.link_make", text="Make and Replace Links").replace = True
+        layout.operator("node.links_detach")
+
+        layout.separator()
+
+        layout.operator("node.group_make", text="Group")
+        layout.operator("node.group_ungroup", text="Ungroup")
+        layout.operator("node.group_edit").exit = False
+
+        layout.separator()
+
+        layout.operator("node.hide_toggle")
+        layout.operator("node.mute_toggle")
+        layout.operator("node.preview_toggle")
+        layout.operator("node.hide_socket_toggle")
+        layout.operator("node.options_toggle")
+        layout.operator("node.collapse_hide_unused_toggle")
+
+
 class NODE_PT_active_node_generic(Panel):
     bl_space_type = 'NODE_EDITOR'
     bl_region_type = 'UI'
@@ -531,6 +566,7 @@ classes = (
     NODE_MT_node,
     NODE_MT_node_color_presets,
     NODE_MT_node_color_specials,
+    NODE_MT_specials,
     NODE_PT_active_node_generic,
     NODE_PT_active_node_color,
     NODE_PT_active_node_properties,
diff --git a/release/scripts/startup/bl_ui/space_view3d.py b/release/scripts/startup/bl_ui/space_view3d.py
index 4f3396c9ed8..ea3a804e7c3 100644
--- a/release/scripts/startup/bl_ui/space_view3d.py
+++ b/release/scripts/startup/bl_ui/space_view3d.py
@@ -1483,7 +1483,7 @@ class VIEW3D_MT_object_clear(Menu):
 
 
 class VIEW3D_MT_object_specials(Menu):
-    bl_label = "Context Menu"
+    bl_label = "Object Context Menu"
 
     @classmethod
     def poll(cls, context):
@@ -2113,7 +2113,7 @@ class VIEW3D_MT_particle(Menu):
 
 
 class VIEW3D_MT_particle_specials(Menu):
-    bl_label = "Context Menu"
+    bl_label = "Particle Context Menu"
 
     def draw(self, context):
         layout = self.layout
@@ -2363,7 +2363,7 @@ class VIEW3D_MT_pose_apply(Menu):
 
 
 class VIEW3D_MT_pose_specials(Menu):
-    bl_label = "Context Menu"
+    bl_label = "Pose Context Menu"
 
     def draw(self, context):
         layout = self.layout
@@ -2496,7 +2496,7 @@ class VIEW3D_MT_edit_mesh(Menu):
 
 
 class VIEW3D_MT_edit_mesh_specials(Menu):
-    bl_label = "Context Menu"
+    bl_label = "Mesh Context Menu"
 
     def draw(self, context):
         layout = self.layout
@@ -3030,7 +3030,7 @@ class VIEW3D_MT_edit_curve_clean(Menu):
 
 
 class VIEW3D_MT_edit_curve_specials(Menu):
-    bl_label = "Context Menu"
+    bl_label = "Curve Context Menu"
 
     def draw(self, context):
         layout = self.layout
@@ -3244,7 +3244,7 @@ class VIEW3D_MT_edit_armature(Menu):
 
 
 class VIEW3D_MT_armature_specials(Menu):
-    bl_label = "Context Menu"
+    bl_label = "Armature Context Menu"
 
     def draw(self, context):
         layout = self.layout