bool
weston_desktop_seat_popup_grab_start(struct weston_desktop_seat *seat,
struct wl_client *client, uint32_t serial)
{
assert(seat->popup_grab.client == NULL || seat->popup_grab.client == client);
struct weston_keyboard *keyboard = weston_seat_get_keyboard(seat->seat);
struct weston_pointer *pointer = weston_seat_get_pointer(seat->seat);
struct weston_touch *touch = weston_seat_get_touch(seat->seat);
if ((keyboard == NULL || keyboard->grab_serial != serial) &&
(pointer == NULL || pointer->grab_serial != serial) &&
(touch == NULL || touch->grab_serial != serial)) {
return false;
}
if (keyboard != NULL &&
keyboard->grab->interface != &weston_desktop_seat_keyboard_popup_grab_interface)
weston_keyboard_start_grab(keyboard, &seat->popup_grab.keyboard);
if (pointer != NULL &&
pointer->grab->interface != &weston_desktop_seat_pointer_popup_grab_interface)
weston_pointer_start_grab(pointer, &seat->popup_grab.pointer);
if (touch != NULL &&
touch->grab->interface != &weston_desktop_seat_touch_popup_grab_interface)
weston_touch_start_grab(touch, &seat->popup_grab.touch);
seat->popup_grab.initial_up =
(pointer == NULL || pointer->button_count == 0);
seat->popup_grab.client = client;
return true;
}
WL_EXPORT int
weston_touch_start_drag(struct weston_touch *touch,
struct weston_data_source *source,
struct weston_surface *icon,
struct wl_client *client)
{
struct weston_touch_drag *drag;
drag = zalloc(sizeof *drag);
if (drag == NULL)
return -1;
drag->grab.interface = &touch_drag_grab_interface;
drag->base.client = client;
drag->base.data_source = source;
if (icon) {
drag->base.icon = weston_view_create(icon);
if (drag->base.icon == NULL) {
free(drag);
return -1;
}
drag->base.icon_destroy_listener.notify = handle_drag_icon_destroy;
wl_signal_add(&icon->destroy_signal,
&drag->base.icon_destroy_listener);
icon->configure = touch_drag_surface_configure;
icon->configure_private = drag;
} else {
drag->base.icon = NULL;
}
if (source) {
drag->base.data_source_listener.notify = destroy_touch_data_device_source;
wl_signal_add(&source->destroy_signal,
&drag->base.data_source_listener);
}
weston_touch_start_grab(touch, &drag->grab);
drag_grab_touch_focus(drag);
return 0;
}
