[gtk+/gtk-2-24-win32] win32: Call GetQueueStatus instead of PeekMessage PM_NOREMOVE

[Alexander Larsson <alexl src gnome org>]

commit 12507a7cc2dcbc4f4c85acaafda8596de9364048
Author: Dieter Verfaillie <dieterv optionexplicit be>
Date:   Fri Oct 21 11:38:31 2011 +0200

    win32: Call GetQueueStatus instead of PeekMessage PM_NOREMOVE
    
    Calling PeekMessage can cause reentrant calls into the window procedure
    for sent (as opposed to posted) messages, so its not safe to call
    when we're not expecting reentrancy. Instead we call GetQueueStatus
    when we're just looking for availible messages.
    
    Fixes https://bugzilla.gnome.org/show_bug.cgi?id=552041

 gdk/win32/gdkevents-win32.c |    9 +++------
 1 files changed, 3 insertions(+), 6 deletions(-)
---
diff --git a/gdk/win32/gdkevents-win32.c b/gdk/win32/gdkevents-win32.c
index d2b2fdd..36b4ff7 100644
--- a/gdk/win32/gdkevents-win32.c
+++ b/gdk/win32/gdkevents-win32.c
@@ -375,10 +375,9 @@ _gdk_events_init (void)
 gboolean
 gdk_events_pending (void)
 {
-  MSG msg;
   return (_gdk_event_queue_find_first (_gdk_display) ||
 	  (modal_win32_dialog == NULL &&
-	   PeekMessageW (&msg, NULL, 0, 0, PM_NOREMOVE)));
+	   GetQueueStatus (QS_ALLINPUT) != 0));
 }
 
 GdkEvent*
@@ -3563,7 +3562,6 @@ static gboolean
 gdk_event_prepare (GSource *source,
 		   gint    *timeout)
 {
-  MSG msg;
   gboolean retval;
 
   GDK_THREADS_ENTER ();
@@ -3572,7 +3570,7 @@ gdk_event_prepare (GSource *source,
 
   retval = (_gdk_event_queue_find_first (_gdk_display) != NULL ||
 	    (modal_win32_dialog == NULL &&
-	     PeekMessageW (&msg, NULL, 0, 0, PM_NOREMOVE)));
+	     GetQueueStatus (QS_ALLINPUT) != 0));
 
   GDK_THREADS_LEAVE ();
 
@@ -3582,7 +3580,6 @@ gdk_event_prepare (GSource *source,
 static gboolean
 gdk_event_check (GSource *source)
 {
-  MSG msg;
   gboolean retval;
   
   GDK_THREADS_ENTER ();
@@ -3591,7 +3588,7 @@ gdk_event_check (GSource *source)
     {
       retval = (_gdk_event_queue_find_first (_gdk_display) != NULL ||
 		(modal_win32_dialog == NULL &&
-		 PeekMessageW (&msg, NULL, 0, 0, PM_NOREMOVE)));
+		 GetQueueStatus (QS_ALLINPUT) != 0));
     }
   else
     {