rootston: handle icon already being in the list
@@ -319,6 +319,14 @@ static void handle_pointer_grab_begin(struct wl_listener *listener,
if (grab->interface == &wlr_data_device_pointer_drag_interface) {
struct wlr_drag *drag = grab->data;
if (drag->icon) {
+ struct roots_drag_icon *iter_icon;
+ wl_list_for_each(iter_icon, &input->drag_icons, link) {
+ if (iter_icon->surface == drag->icon) {
+ // already in the list
+ return;
+ }
+ }
+
struct roots_drag_icon *drag_icon =
calloc(1, sizeof(struct roots_drag_icon));
drag_icon->surface = drag->icon;
