1 files changed, 19 insertions, 0 deletions

diff --git a/sway/input/seatop_down.c b/sway/input/seatop_down.c
index 6447134e..c5901f6a 100644
--- a/sway/input/seatop_down.c
+++ b/sway/input/seatop_down.c
@@ -104,6 +104,24 @@ static void handle_touch_down(struct sway_seat *seat,
         }
 }
 
+static void handle_touch_cancel(struct sway_seat *seat,
+                struct wlr_touch_cancel_event *event) {
+        struct seatop_down_event *e = seat->seatop_data;
+        struct seatop_touch_point_event *point_event, *tmp;
+
+        wl_list_for_each_safe(point_event, tmp, &e->point_events, link) {
+                if (point_event->touch_id == event->touch_id) {
+                        wl_list_remove(&point_event->link);
+                        free(point_event);
+                        break;
+                }
+        }
+
+        if (e->surface) {
+                wlr_seat_touch_notify_cancel(seat->wlr_seat, e->surface);
+        }
+}
+
 static void handle_pointer_axis(struct sway_seat *seat,
                 struct wlr_pointer_axis_event *event) {
         struct sway_input_device *input_device =
@@ -189,6 +207,7 @@ static const struct sway_seatop_impl seatop_impl = {
         .touch_motion = handle_touch_motion,
         .touch_up = handle_touch_up,
         .touch_down = handle_touch_down,
+        .touch_cancel = handle_touch_cancel,
         .unref = handle_unref,
         .end = handle_end,
         .allow_set_cursor = true,