X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/77ffb5937e89927b621128789401db8921fe580f..b3e5d05894c018ea50d92de6249aa09d211e2ef7:/src/msw/basemsw.cpp

diff --git a/src/msw/basemsw.cpp b/src/msw/basemsw.cpp
index 67449d094a..033d3a76b2 100644
--- a/src/msw/basemsw.cpp
+++ b/src/msw/basemsw.cpp
@@ -6,7 +6,7 @@
 // Created:     22.06.2003
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
-// License:     wxWidgets licence
+// License:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -41,9 +41,17 @@
 
 void wxConsoleAppTraits::AlwaysYield()
 {
+    // we need to use special logic to deal with WM_PAINT: as this pseudo
+    // message is generated automatically as long as there are invalidated
+    // windows belonging to this thread, we'd never return if we waited here
+    // until we have no more of them left. OTOH, this message is always the
+    // last one in the queue, so we can safely return as soon as we detect it
     MSG msg;
     while ( ::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) )
-        ;
+    {
+        if ( msg.message == WM_PAINT )
+            break;
+    }
 }
 
 void *wxConsoleAppTraits::BeforeChildWaitLoop()