diff --git a/src/video/wayland/SDL_waylandevents.c b/src/video/wayland/SDL_waylandevents.c index 65838f4802..236dc32321 100644 --- a/src/video/wayland/SDL_waylandevents.c +++ b/src/video/wayland/SDL_waylandevents.c @@ -932,6 +932,28 @@ static void touch_handler_frame(void *data, struct wl_touch *touch) static void touch_handler_cancel(void *data, struct wl_touch *touch) { + struct SDL_WaylandTouchPoint *tp; + while ((tp = touch_points.head)) { + wl_fixed_t fx = 0, fy = 0; + struct wl_surface *surface = NULL; + int id = tp->id; + + touch_del(id, &fx, &fy, &surface); + + if (surface) { + SDL_WindowData *window_data = (SDL_WindowData *)wl_surface_get_user_data(surface); + + if (window_data) { + const double dblx = wl_fixed_to_double(fx) * window_data->pointer_scale_x; + const double dbly = wl_fixed_to_double(fy) * window_data->pointer_scale_y; + const float x = dblx / window_data->sdlwindow->w; + const float y = dbly / window_data->sdlwindow->h; + + SDL_SendTouch((SDL_TouchID)(intptr_t)touch, (SDL_FingerID)id, + window_data->sdlwindow, SDL_FALSE, x, y, 1.0f); + } + } + } } static const struct wl_touch_listener touch_listener = {