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wayland: Raise all touches on a cancel event

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This commit is contained in:
Frank Praznik 2024-09-26 14:00:04 -04:00
parent 457d0edeaf
commit 671a33c2f7
1 changed files with 35 additions and 0 deletions
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35
src/video/wayland/SDL_waylandevents.c
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@ -1086,6 +1086,41 @@ static void touch_handler_frame(void *data, struct wl_touch *touch)
static void touch_handler_cancel(void *data, struct wl_touch *touch)
{
struct SDL_WaylandInput *input = (struct SDL_WaylandInput *)data;
struct SDL_WaylandTouchPoint *tp, *temp;
wl_list_for_each_safe (tp, temp, &touch_points, link) {
bool removed = false;
if (tp->surface) {
SDL_WindowData *window_data = (SDL_WindowData *)wl_surface_get_user_data(tp->surface);
if (window_data) {
const float x = (float)(wl_fixed_to_double(tp->fx) / window_data->current.logical_width);
const float y = (float)(wl_fixed_to_double(tp->fy) / window_data->current.logical_height);
SDL_SendTouch(0, (SDL_TouchID)(uintptr_t)touch,
(SDL_FingerID)(tp->id + 1), window_data->sdlwindow, false, x, y, 0.0f);
// Remove the touch from the list before checking for still-active touches on the surface.
WAYLAND_wl_list_remove(&tp->link);
removed = true;
/* If the seat lacks pointer focus, the seat's keyboard focus is another window or NULL, this window currently
* has mouse focus, and the surface has no active touch events, consider mouse focus to be lost.
*/
if (!input->pointer_focus && input->keyboard_focus != window_data &&
SDL_GetMouseFocus() == window_data->sdlwindow && !Wayland_SurfaceHasActiveTouches(tp->surface)) {
SDL_SetMouseFocus(NULL);
}
}
}
if (!removed) {
WAYLAND_wl_list_remove(&tp->link);
}
SDL_free(tp);
}
}
static const struct wl_touch_listener touch_listener = {