12 all_screens(xcb_connection_t *conn, d_screen_t **list)
14 static const xcb_setup_t *setup;
15 xcb_screen_iterator_t it;
19 setup = xcb_get_setup(conn);
22 for (it = xcb_setup_roots_iterator(setup); it.rem; xcb_screen_next(&it)) {
26 if (screen_register(&sc)) {
28 *list = g_renew(d_screen_t, *list, count);
29 (*list)[count-1] = sc;
30 printf(_("managing screen %d\n"), sc.num);
37 screen_from_root(d_screen_t *list, int n, xcb_window_t root)
40 for (i = 0; i < n; ++i)
41 if (list->super.root == root) return &list[i];
42 g_assert_not_reached();
47 main(int argc, char **argv)
49 xcb_connection_t *conn;
50 d_screen_t *screens = NULL;
52 xcb_generic_event_t *ev;
54 conn = xcb_connect(NULL, NULL);
56 printf(_("Unable to connect to display\n"));
60 nscreens = all_screens(conn, &screens);
62 printf(_("found no screens to run on\n"));
67 while ((ev = xcb_wait_for_event(conn))) {
68 printf("event %d\n", ev->response_type);
70 if (!ev->response_type) {
71 error(conn, (xcb_generic_error_t*)ev);
76 switch (ev->response_type) {
77 case XCB_CREATE_NOTIFY:
79 xcb_create_notify_event_t *cev;
82 cev = (xcb_create_notify_event_t*)ev;
83 sc = screen_from_root(screens, nscreens, cev->parent);
85 screen_add_window(sc, cev->window);
88 case XCB_DESTROY_NOTIFY:
90 xcb_destroy_notify_event_t *dev;
94 dev = (xcb_destroy_notify_event_t*)ev;
95 sc = screen_from_root(screens, nscreens, dev->event);
97 w = screen_find_window(sc, dev->window);
99 screen_remove_window(sc, w);
102 case XCB_REPARENT_NOTIFY:
104 xcb_reparent_notify_event_t *rev;
108 rev = (xcb_reparent_notify_event_t*)ev;
109 sc = screen_from_root(screens, nscreens, rev->event);
111 w = screen_find_window(sc, rev->window);
112 if (rev->parent == sc->super.root)
113 screen_add_window(sc, rev->window);
116 screen_remove_window(sc, w);
126 xcb_disconnect(conn);