[RFC] attempt at solving #3616

- Untested
- Can't reproduce issues, so not sure it fixes it either

include/view.h

@@ -579,7 +579,7 @@ void view_toggle_fullscreen(struct view *view);
  */
 void view_save_last_placement(struct view *view);
 /* Restores and adjusts the view's position from the view->last_placement */
-void view_adjust_for_layout_change(struct view *view);
+void view_adjust_for_layout_change(struct view *view, bool force);
 
 void view_move_to_edge(struct view *view, enum lab_edge direction, bool snap_to_windows);
 void view_grow_to_edge(struct view *view, enum lab_edge direction);

src/desktop.c

@@ -40,7 +40,7 @@ desktop_arrange_all_views(void)
 	struct view *view;
 	wl_list_for_each(view, &server.views, link) {
 		if (!wlr_box_empty(&view->pending)) {
-			view_adjust_for_layout_change(view);
+			view_adjust_for_layout_change(view, /* force */ false);
 		}
 	}
 }

src/view.c

@@ -1754,10 +1754,10 @@ clear_last_placement(struct view *view)
 }
 
 void
-view_adjust_for_layout_change(struct view *view)
+view_adjust_for_layout_change(struct view *view, bool force)
 {
 	assert(view);
-	if (wlr_box_empty(&view->last_placement.layout_geo)) {
+	if (wlr_box_empty(&view->last_placement.layout_geo) && !force) {
 		/* Not using assert() just in case */
 		wlr_log(WLR_ERROR, "view has no last placement info");
 		return;

src/xwayland.c

@@ -800,7 +800,7 @@ handle_map(struct wl_listener *listener, void *data)
 		 * layout changes that could have occurred between
 		 * ensure_initial_geometry_and_output() and map.
 		 */
-		view_adjust_for_layout_change(view);
+		view_adjust_for_layout_change(view, /* force */ true);
 		/*
 		 * When mapping the view for the first time, visual
 		 * artifacts are reduced if we display it immediately at