+ return wxTheApp->DoIdle();
+}
+}
+
+bool wxApp::DoIdle()
+{
+ guint id_save;
+ {
+ // Allow another idle source to be added while this one is busy.
+ // Needed if an idle event handler runs a new event loop,
+ // for example by showing a dialog.
+#if wxUSE_THREADS
+ wxMutexLocker lock(*m_idleMutex);
+#endif
+ id_save = m_idleSourceId;
+ m_idleSourceId = 0;
+ wx_add_idle_hooks();
+#ifdef __WXDEBUG__
+ // don't generate the idle events while the assert modal dialog is shown,
+ // this matches the behavior of wxMSW
+ if (m_isInAssert)
+ return false;
+#endif
+ }
+
+ gdk_threads_enter();
+ bool needMore;
+ do {
+ needMore = ProcessIdle();
+ } while (needMore && gtk_events_pending() == 0);
+ gdk_threads_leave();
+
+#if wxUSE_THREADS
+ wxMutexLocker lock(*m_idleMutex);
+#endif
+ // if a new idle source was added during ProcessIdle
+ if (m_idleSourceId != 0)
+ {
+ // remove it
+ g_source_remove(m_idleSourceId);
+ m_idleSourceId = 0;
+ }
+
+ // Pending events can be added asynchronously,
+ // need to keep idle source if any have appeared
+ needMore = needMore || HasPendingEvents();
+
+ // if more idle processing requested
+ if (needMore)
+ {
+ // keep this source installed
+ m_idleSourceId = id_save;
+ return true;
+ }
+ // add hooks and remove this source
+ wx_add_idle_hooks();
+ return false;
+}