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examples/touch: support touch cancel events
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parent
37f42e2df2
commit
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@ -46,6 +46,7 @@ struct touch_state {
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struct wl_listener down;
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struct wl_listener up;
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struct wl_listener motion;
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struct wl_listener cancel;
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struct wl_list link;
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void *data;
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};
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@ -130,6 +131,19 @@ static void touch_motion_notify(struct wl_listener *listener, void *data) {
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}
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}
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static void touch_cancel_notify(struct wl_listener *listener, void *data) {
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struct wlr_touch_cancel_event *event = data;
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struct touch_state *tstate = wl_container_of(listener, tstate, cancel);
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struct sample_state *sample = tstate->sample;
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struct touch_point *point, *tmp;
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wl_list_for_each_safe(point, tmp, &sample->touch_points, link) {
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if (point->touch_id == event->touch_id) {
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wl_list_remove(&point->link);
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break;
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}
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}
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}
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static void touch_destroy_notify(struct wl_listener *listener, void *data) {
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struct touch_state *tstate = wl_container_of(listener, tstate, destroy);
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wl_list_remove(&tstate->link);
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@ -137,6 +151,7 @@ static void touch_destroy_notify(struct wl_listener *listener, void *data) {
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wl_list_remove(&tstate->down.link);
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wl_list_remove(&tstate->up.link);
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wl_list_remove(&tstate->motion.link);
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wl_list_remove(&tstate->cancel.link);
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free(tstate);
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}
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@ -231,6 +246,8 @@ static void new_input_notify(struct wl_listener *listener, void *data) {
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wl_signal_add(&tstate->wlr_touch->events.motion, &tstate->motion);
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tstate->up.notify = touch_up_notify;
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wl_signal_add(&tstate->wlr_touch->events.up, &tstate->up);
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tstate->cancel.notify = touch_cancel_notify;
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wl_signal_add(&tstate->wlr_touch->events.cancel, &tstate->cancel);
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wl_list_insert(&sample->touch, &tstate->link);
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break;
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default:
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