Adding Shear transform to UV menu and Ctrl Alt Shift S hotkey (same as in 3D View)

release/scripts/startup/bl_ui/space_image.py

@@ -198,6 +198,10 @@ class IMAGE_MT_uvs_transform(bpy.types.Menu):
         layout.operator("transform.rotate")
         layout.operator("transform.resize")
 
+        layout.separator()
+
+        layout.operator("transform.shear")
+
 
 class IMAGE_MT_uvs_snap(bpy.types.Menu):
     bl_label = "Snap"

source/blender/editors/transform/transform_ops.c

@@ -954,6 +954,8 @@ void transform_keymap_for_space(wmKeyConfig *keyconf, wmKeyMap *keymap, int spac
 
 			WM_keymap_add_item(keymap, OP_RESIZE, SKEY, KM_PRESS, 0, 0);
 
+			WM_keymap_add_item(keymap, OP_SHEAR, SKEY, KM_PRESS, KM_ALT|KM_CTRL|KM_SHIFT, 0);
+
 			WM_keymap_add_item(keymap, "TRANSFORM_OT_mirror", MKEY, KM_PRESS, KM_CTRL, 0);
 
 			km = WM_keymap_add_item(keymap, "WM_OT_context_toggle", TABKEY, KM_PRESS, KM_SHIFT, 0);