/*
* This sets up the DAMAGE extentsion to receive damage events on all
* child windows
*
*/
static void set_up_damage_notifications(xcb_connection_t *conn,
xcb_screen_t *scr) {
xcb_damage_query_version_unchecked(conn, XCB_DAMAGE_MAJOR_VERSION,
XCB_DAMAGE_MINOR_VERSION);
dam_ext_data = xcb_get_extension_data(conn, &xcb_damage_id);
xcb_query_tree_reply_t *reply =
xcb_query_tree_reply(conn, xcb_query_tree(conn, scr->root), NULL);
xcb_window_t *children = xcb_query_tree_children(reply);
xcb_get_window_attributes_cookie_t *attribs =
(xcb_get_window_attributes_cookie_t *)malloc(
sizeof(xcb_get_window_attributes_cookie_t) * reply->children_len);
if (!attribs) {
errx(EXIT_FAILURE, "Failed to allocate memory");
}
for (int i = 0; i < reply->children_len; ++i) {
attribs[i] = xcb_get_window_attributes_unchecked(conn, children[i]);
}
for (int i = 0; i < reply->children_len; ++i) {
/* Get attributes to check if input-only window */
xcb_get_window_attributes_reply_t *attrib =
xcb_get_window_attributes_reply(conn, attribs[i], NULL);
create_damage(conn, children[i], attrib);
}
free(attribs);
free(reply);
}
static void
window_decorated_notify (MetaWindow *window,
GParamSpec *pspec,
gpointer user_data)
{
MetaSurfaceActorX11 *self = META_SURFACE_ACTOR_X11 (user_data);
detach_pixmap (self);
free_damage (self);
create_damage (self);
}
static void handle_map_notify(xcb_map_notify_event_t *event) {
if (fuzzy) {
/* Create damage objects for new windows */
xcb_get_window_attributes_reply_t *attribs = xcb_get_window_attributes_reply(conn, xcb_get_window_attributes(conn, event->window), NULL);
create_damage(conn, event->window, attribs);
}
if (!dont_fork) {
/* After the first MapNotify, we never fork again. */
dont_fork = true;
/* In the parent process, we exit */
if (fork() != 0)
exit(0);
ev_loop_fork(EV_DEFAULT);
}
}
MetaSurfaceActor *
meta_surface_actor_x11_new (MetaWindow *window)
{
MetaSurfaceActorX11 *self = g_object_new (META_TYPE_SURFACE_ACTOR_X11, NULL);
MetaSurfaceActorX11Private *priv = meta_surface_actor_x11_get_instance_private (self);
MetaDisplay *display = meta_window_get_display (window);
g_assert (!meta_is_wayland_compositor ());
priv->window = window;
priv->display = display;
create_damage (self);
g_signal_connect_object (priv->window, "notify::decorated",
G_CALLBACK (window_decorated_notify), self, 0);
priv->unredirected = FALSE;
sync_unredirected (self);
clutter_actor_set_reactive (CLUTTER_ACTOR (self), TRUE);
return META_SURFACE_ACTOR (self);
}
