+
+ ob_debug_type(OB_DEBUG_FOCUS, "trying a desktop window");
+ for (it = focus_order; it; it = g_list_next(it)) {
+ c = it->data;
+ /* fallback focus to a window if:
+ 1. it is on the current desktop. this ignores omnipresent
+ windows, which are problematic in their own rite.
+ 2. it is a normal type window, don't fall back onto a dock or
+ a splashscreen or a desktop window (save the desktop as a
+ backup fallback though)
+ */
+ if (focus_valid_target(c, TRUE, FALSE, FALSE, FALSE, TRUE) &&
+ (allow_refocus || client_focus_target(c) != old) &&
+ client_focus(c))
+ {
+ ob_debug_type(OB_DEBUG_FOCUS, "found a desktop window");
+ return c;
+ }
+ }
+
+ return NULL;
+}
+
+ObClient* focus_fallback(gboolean allow_refocus, gboolean allow_pointer,
+ gboolean allow_omnipresent, gboolean focus_lost)
+{
+ ObClient *new;
+ ObClient *old = focus_client;
+
+ /* unfocus any focused clients.. they can be focused by Pointer events
+ and such, and then when we try focus them, we won't get a FocusIn
+ event at all for them. */
+ if (focus_lost)
+ focus_nothing();
+
+ new = focus_fallback_target(allow_refocus, allow_pointer,
+ allow_omnipresent, old);
+ /* get what was really focused */
+ if (new) new = client_focus_target(new);
+
+ return new;
+}
+
+void focus_nothing(void)
+{
+ /* Install our own colormap */
+ if (focus_client != NULL) {
+ screen_install_colormap(focus_client, FALSE);
+ screen_install_colormap(NULL, TRUE);
+ }
+
+ /* nothing is focused, update the colormap and _the root property_ */
+ focus_set_client(NULL);
+
+ /* if there is a grab going on, then we need to cancel it. if we move
+ focus during the grab, applications will get NotifyWhileGrabbed events
+ and ignore them !
+
+ actions should not rely on being able to move focus during an
+ interactive grab.
+ */
+ event_cancel_all_key_grabs();
+
+ /* when nothing will be focused, send focus to the backup target */
+ XSetInputFocus(obt_display, screen_support_win, RevertToPointerRoot,
+ event_curtime);
+}
+
+void focus_order_add_new(ObClient *c)
+{
+ if (c->iconic)
+ focus_order_to_top(c);
+ else {
+ g_assert(!g_list_find(focus_order, c));
+ /* if there are any iconic windows, put this above them in the order,
+ but if there are not, then put it under the currently focused one */
+ if (focus_order && ((ObClient*)focus_order->data)->iconic)
+ focus_order = g_list_insert(focus_order, c, 0);
+ else
+ focus_order = g_list_insert(focus_order, c, 1);
+ }
+
+ /* in the middle of cycling..? kill it. */
+ focus_cycle_stop(c);
+}
+
+void focus_order_remove(ObClient *c)
+{
+ focus_order = g_list_remove(focus_order, c);
+
+ /* in the middle of cycling..? kill it. */
+ focus_cycle_stop(c);
+}
+
+void focus_order_to_top(ObClient *c)
+{
+ focus_order = g_list_remove(focus_order, c);
+ if (!c->iconic) {
+ focus_order = g_list_prepend(focus_order, c);
+ } else {
+ GList *it;
+
+ /* insert before first iconic window */
+ for (it = focus_order;
+ it && !((ObClient*)it->data)->iconic; it = g_list_next(it));
+ focus_order = g_list_insert_before(focus_order, it, c);
+ }
+}
+
+void focus_order_to_bottom(ObClient *c)
+{
+ focus_order = g_list_remove(focus_order, c);
+ if (c->iconic) {
+ focus_order = g_list_append(focus_order, c);
+ } else {
+ GList *it;
+
+ /* insert before first iconic window */
+ for (it = focus_order;
+ it && !((ObClient*)it->data)->iconic; it = g_list_next(it));
+ focus_order = g_list_insert_before(focus_order, it, c);
+ }