New idle handling. Only that.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@2295 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/data.cpp

@@ -54,6 +54,10 @@ bool g_blockEventsOnDrag = FALSE;
 /* Don't allow mouse event propagation during scroll */
 bool g_blockEventsOnScroll = FALSE;
 
+/* TRUE when the message queue is empty. this gets set to
+   FALSE by all event callbacks before anything else is done */
+bool g_isIdle = FALSE;
+
 /* Message Strings for Internationalization */
 char **wx_msg_str = (char**)NULL;