Themes and threads testing code.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5307 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/app.cpp

@@ -49,6 +49,8 @@ wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NUL
 
 extern bool g_isIdle;
 
+bool g_mainThreadLocked = FALSE;
+
 //-----------------------------------------------------------------------------
 // local functions
 //-----------------------------------------------------------------------------
@@ -200,6 +202,8 @@ gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
 
     // unblock other threads wishing to do some GUI things
     wxMutexGuiLeave();
+    
+    g_mainThreadLocked = TRUE;
 
     // wake up other threads
     wxUsleep( 1 );
@@ -207,6 +211,8 @@ gint wxapp_wakeup_timerout_callback( gpointer WXUNUSED(data) )
     // block other thread again
     wxMutexGuiEnter();
 
+    g_mainThreadLocked = FALSE;
+
     wxapp_install_thread_wakeup();
 
     // release lock again