fix child window redraw glitches during scrolling (bug 1944002)

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

diff --git a/src/msw/basemsw.cpp b/src/msw/basemsw.cpp
index 6120c9e472e2032093b54508b9b094b710d0e228..5308abebe3eb0c239d77b23948f5b9c3388bbacd 100644 (file)
--- 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>
 // Created:     22.06.2003
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>

-// License:     wxWindows license
+// License:     wxWindows licence

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -28,18 +28,43 @@
 #endif //WX_PRECOMP
 
 #include "wx/apptrait.h"
 #endif //WX_PRECOMP
 
 #include "wx/apptrait.h"

+#include "wx/evtloop.h"
+#include "wx/msw/private/timer.h"
+// MBN: this is a workaround for MSVC 5: if it is not #included in
+// some wxBase file, wxRecursionGuard methods won't be exported from
+// wxBase.dll, and MSVC 5 will give linker errors
+#include "wx/recguard.h"

 
 #include "wx/msw/private.h"
 
 
 #include "wx/msw/private.h"
 

+// ============================================================================
+// wxAppTraits implementation
+// ============================================================================
+
+GSocketManager *wxAppTraits::ms_manager = NULL;
+
+WXDWORD wxAppTraits::DoSimpleWaitForThread(WXHANDLE hThread)
+{
+    return ::WaitForSingleObject((HANDLE)hThread, INFINITE);
+}
+

 // ============================================================================
 // wxConsoleAppTraits implementation
 // ============================================================================
 
 void wxConsoleAppTraits::AlwaysYield()
 {
 // ============================================================================
 // wxConsoleAppTraits implementation
 // ============================================================================
 
 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) )
     MSG msg;
     while ( ::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE) )

-        ;
+    {
+        if ( msg.message == WM_PAINT )
+            break;
+    }

 }
 
 void *wxConsoleAppTraits::BeforeChildWaitLoop()
 }
 
 void *wxConsoleAppTraits::BeforeChildWaitLoop()


@@ -59,3 +84,27 @@ bool wxConsoleAppTraits::DoMessageFromThreadWait()
     return true;
 }
 
     return true;
 }
 

+#if wxUSE_TIMER
+
+wxTimerImpl *wxConsoleAppTraits::CreateTimerImpl(wxTimer *timer)
+{
+    return new wxMSWTimerImpl(timer);
+}
+
+#endif // wxUSE_TIMER
+
+wxEventLoopBase *wxConsoleAppTraits::CreateEventLoop()
+{
+#if wxUSE_CONSOLE_EVENTLOOP
+    return new wxEventLoop();
+#else // !wxUSE_CONSOLE_EVENTLOOP
+    return NULL;
+#endif // wxUSE_CONSOLE_EVENTLOOP/!wxUSE_CONSOLE_EVENTLOOP
+}
+
+
+WXDWORD wxConsoleAppTraits::WaitForThread(WXHANDLE hThread)
+{
+    return DoSimpleWaitForThread(hThread);
+}
+