window: add can_grab

src/core/display.c

@@ -1926,6 +1926,9 @@ meta_display_begin_grab_op (MetaDisplay *display,
       return FALSE;
     }
 
+  if (!grab_window->can_grab)
+    return FALSE;
+
   /* Grab keys when beginning window ops; see #126497 */
   if (event_route == META_EVENT_ROUTE_WINDOW_OP)
     {

src/core/window-private.h

@@ -427,6 +427,8 @@ struct _MetaWindow
   /* Whether the window is alive */
   guint is_alive : 1;
 
+  unsigned int can_grab : 1;
+
   /* if non-NULL, the bounds of the window frame */
   cairo_region_t *frame_bounds;
 

src/core/window.c

@@ -1029,6 +1029,8 @@ _meta_window_shared_new (MetaDisplay         *display,
   meta_window_update_desc (window);
 
   window->override_redirect = attrs->override_redirect;
+if (window->override_redirect)
+g_warning("WS: FFUUUUCK, it's an OR window");
 
   /* avoid tons of stack updates */
   meta_stack_freeze (window->display->stack);
@@ -1173,6 +1175,8 @@ _meta_window_shared_new (MetaDisplay         *display,
 
   window->compositor_private = NULL;
 
+  window->can_grab = TRUE;
+
   if (window->rect.width > 0 && window->rect.height > 0)
     window->monitor = meta_window_calculate_main_logical_monitor (window);
   else
@@ -8622,3 +8626,16 @@ meta_window_calculate_bounds (MetaWindow *window,
       return FALSE;
     }
 }
+
+void
+meta_window_set_can_grab (MetaWindow *window,
+                          gboolean    can_grab)
+{
+  if (window->can_grab == can_grab)
+    return;
+
+  window->can_grab = can_grab;
+
+  if (!window->can_grab && window->display->grab_window == window)
+    meta_display_end_grab_op (window->display, meta_display_get_current_time_roundtrip (window->display));
+}

src/meta/window.h

@@ -453,4 +453,8 @@ uint64_t meta_window_get_id (MetaWindow *window);
 META_EXPORT
 MetaWindowClientType meta_window_get_client_type (MetaWindow *window);
 
+META_EXPORT
+void meta_window_set_can_grab (MetaWindow *window,
+                               gboolean    can_grab);
+
 #endif