static void
data_device_handle_enter(void *data, struct wl_data_device *wl_data_device,
uint32_t serial, struct wl_surface *surface,
wl_fixed_t x, wl_fixed_t y, struct wl_data_offer *id)
{
SDL_WaylandDataDevice *data_device = data;
SDL_bool has_mime = SDL_FALSE;
uint32_t dnd_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_NONE;
data_device->drag_serial = serial;
if (id != NULL) {
data_device->drag_offer = wl_data_offer_get_user_data(id);
/* TODO: SDL Support more mime types */
has_mime = Wayland_data_offer_has_mime(
data_device->drag_offer, FILE_MIME);
/* If drag_mime is NULL this will decline the offer */
wl_data_offer_accept(id, serial,
(has_mime == SDL_TRUE) ? FILE_MIME : NULL);
/* SDL only supports "copy" style drag and drop */
if (has_mime == SDL_TRUE) {
dnd_action = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY;
}
wl_data_offer_set_actions(data_device->drag_offer->offer,
dnd_action, dnd_action);
}
}
gboolean
gdk_wayland_selection_set_current_offer_actions (GdkDisplay *display,
uint32_t action)
{
GdkWaylandDisplay *display_wayland = GDK_WAYLAND_DISPLAY (display);
struct wl_data_offer *offer;
uint32_t all_actions = 0;
offer = gdk_wayland_selection_get_offer (display, atoms[ATOM_DND]);
if (!offer)
return FALSE;
if (action != 0)
all_actions = WL_DATA_DEVICE_MANAGER_DND_ACTION_COPY |
WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE |
WL_DATA_DEVICE_MANAGER_DND_ACTION_ASK;
if (display_wayland->data_device_manager_version >=
WL_DATA_OFFER_SET_ACTIONS_SINCE_VERSION)
wl_data_offer_set_actions (offer, all_actions, action);
return TRUE;
}
