- {
- XEvent fe;
- gboolean fallback = TRUE;
-
- while (TRUE) {
- if (!XCheckTypedWindowEvent(ob_display, FocusOut,
- e->xfocus.window,&fe))
- if (!XCheckTypedEvent(ob_display, FocusIn, &fe))
- break;
- if (fe.type == FocusOut) {
-#ifdef DEBUG_FOCUS
- ob_debug("found pending FocusOut");
-#endif
- if (!INVALID_FOCUSOUT(&fe)) {
- /* if there is a VALID FocusOut still coming, don't
- fallback focus yet, we'll deal with it then */
- XPutBackEvent(ob_display, &fe);
- fallback = FALSE;
- break;
- }
- } else {
-#ifdef DEBUG_FOCUS
- ob_debug("found pending FocusIn");
-#endif
- /* is the focused window getting a FocusOut/In back to
- itself?
- */
- if (fe.xfocus.window == e->xfocus.window &&
- !event_ignore(&fe, client)) {
- /*
- if focus_client is not set, then we can't do
- this. we need the FocusIn. This happens in the
- case when the set_focus_client(NULL) in the
- focus_fallback function fires and then
- focus_fallback picks the currently focused
- window (such as on a SendToDesktop-esque action.
- */
- if (focus_client) {
-#ifdef DEBUG_FOCUS
- ob_debug("focused window got an Out/In back to "
- "itself IGNORED both");
-#endif
- return TRUE;
- } else {
- event_process(&fe);
-#ifdef DEBUG_FOCUS
- ob_debug("focused window got an Out/In back to "
- "itself but focus_client was null "
- "IGNORED just the Out");
-#endif
- return TRUE;
- }
- }
-
- /* once all the FocusOut's have been dealt with, if there
- is a FocusIn still left and it is valid, then use it */
- event_process(&fe);
- /* secret magic way of event_process telling us that no
- client was found for the FocusIn event. ^_^ */
- if (fe.xfocus.window != None) {
- fallback = FALSE;
- break;
- }
- }
- }
- if (fallback) {
-#ifdef DEBUG_FOCUS
- ob_debug("no valid FocusIn and no FocusOut events found, "
- "falling back");
-#endif
- focus_fallback(OB_FOCUS_FALLBACK_NOFOCUS);
- }
- }
- break;
- case EnterNotify:
- case LeaveNotify:
- /* NotifyUngrab occurs when a mouse button is released and the event is
- caused, like when lowering a window */
- /* NotifyVirtual occurs when ungrabbing the pointer */
- if (e->xcrossing.mode == NotifyGrab ||
- e->xcrossing.detail == NotifyInferior ||
- (e->xcrossing.mode == NotifyUngrab &&
- e->xcrossing.detail == NotifyVirtual)) {
-#ifdef DEBUG_FOCUS
- ob_debug("%sNotify mode %d detail %d on %lx IGNORED",
- (e->type == EnterNotify ? "Enter" : "Leave"),
- e->xcrossing.mode,
- e->xcrossing.detail, client?client->window:0);
-#endif
- return TRUE;