wlr_seat_touch: add a way for a grab to ignore a touch point

5 years ago · 40d17c1305
parent 94f65e354d
commit 40d17c1305
1 changed files with 5 additions and 0 deletions
--- a/types/seat/wlr_seat_touch.c
+++ b/types/seat/wlr_seat_touch.c
@ -175,6 +175,11 @@ uint32_t wlr_seat_touch_notify_down(struct wlr_seat *seat,

 	uint32_t serial = grab->interface->down(grab, time, point);

+	if (!serial) {
+		touch_point_destroy(point);
+		return 0;
+	}
+
 	if (serial && wlr_seat_touch_num_points(seat) == 1) {
 		seat->touch_state.grab_serial = serial;
 		seat->touch_state.grab_id = touch_id;