Enable variadic macros for VC9 and later.

[wxWidgets.git] / src / msw / evtloop.cpp

diff --git a/src/msw/evtloop.cpp b/src/msw/evtloop.cpp
index 0b6bf66a1a580e8d77774c705e0ad3d2a0206b69..97342164839fcc70cabb00512d871cd1c3b99730 100644 (file)
--- a/src/msw/evtloop.cpp
+++ b/src/msw/evtloop.cpp
@@ -1,12 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        msw/evtloop.cpp
+// Name:        src/msw/evtloop.cpp
 // Purpose:     implements wxEventLoop for MSW
 // Author:      Vadim Zeitlin
 // Modified by:
 // Created:     01.06.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// License:     wxWindows licence
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -401,7 +401,7 @@ bool wxGUIEventLoop::YieldFor(long eventsToProcess)
             if ((eventsToProcess & wxEVT_CATEGORY_UI) == 0)
             {
                 // this msg is not going to be dispatched...
-                // however WM_PAINT is special: until there are damaged 
+                // however WM_PAINT is special: until there are damaged
                 // windows, Windows will keep sending it forever!
                 if (nPaintsReceived > 10)
                 {
@@ -426,13 +426,13 @@ bool wxGUIEventLoop::YieldFor(long eventsToProcess)
         }
 
         // choose a wxEventCategory for this Windows message
-        wxEventCategory cat;
+        bool processNow;
         switch (msg.message)
         {
 #if !defined(__WXWINCE__)
-                   case WM_NCMOUSEMOVE:
+            case WM_NCMOUSEMOVE:
 
-                       case WM_NCLBUTTONDOWN:
+            case WM_NCLBUTTONDOWN:
             case WM_NCLBUTTONUP:
             case WM_NCLBUTTONDBLCLK:
             case WM_NCRBUTTONDOWN:
@@ -495,11 +495,11 @@ bool wxGUIEventLoop::YieldFor(long eventsToProcess)
             case WM_MBUTTONUP:
             case WM_MBUTTONDBLCLK:
             case WM_MOUSEWHEEL:
-                cat = wxEVT_CATEGORY_USER_INPUT;
+                processNow = (eventsToProcess & wxEVT_CATEGORY_USER_INPUT) != 0;
                 break;
 
             case WM_TIMER:
-                cat = wxEVT_CATEGORY_TIMER;
+                processNow = (eventsToProcess & wxEVT_CATEGORY_TIMER) != 0;
                 break;
 
             default:
@@ -509,14 +509,22 @@ bool wxGUIEventLoop::YieldFor(long eventsToProcess)
                     // by the system.
                     // there are too many of these types of messages to handle
                     // them in this switch
-                    cat = wxEVT_CATEGORY_UI;
+                    processNow = (eventsToProcess & wxEVT_CATEGORY_UI) != 0;
                 }
                 else
-                    cat = wxEVT_CATEGORY_UNKNOWN;
+                {
+                    // Process all the unknown messages. We must do it because
+                    // failure to process some of them can be fatal, e.g. if we
+                    // don't dispatch WM_APP+2 then embedded IE ActiveX
+                    // controls don't work any more, see #14027. And there may
+                    // be more examples like this, so dispatch all unknown
+                    // messages immediately to be safe.
+                    processNow = true;
+                }
         }
 
         // should we process this event now?
-        if (cat & eventsToProcess)
+        if ( processNow )
         {
             if ( !wxTheApp->Dispatch() )
                 break;