1. wxWindow::IsTopLevel() added and documented

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

diff --git a/src/msw/app.cpp b/src/msw/app.cpp
index 21dd1dbeccabee29bb34a3b16872716375efe8c7..dc629191c1c27c263c8b2eeba29d7bdcd82fd066 100644 (file)
--- a/src/msw/app.cpp
+++ b/src/msw/app.cpp
@@ -93,14 +93,14 @@ extern char *wxOsVersion;
 extern wxList *wxWinHandleList;
 extern wxList WXDLLEXPORT wxPendingDelete;
 #if wxUSE_THREADS
 extern wxList *wxWinHandleList;
 extern wxList WXDLLEXPORT wxPendingDelete;
 #if wxUSE_THREADS

-extern wxList wxPendingEvents;
-extern wxCriticalSection wxPendingEventsLocker;
+extern wxList *wxPendingEvents;
+extern wxCriticalSection *wxPendingEventsLocker;

 #endif
 extern void wxSetKeyboardHook(bool doIt);
 extern wxCursor *g_globalCursor;
 
 HINSTANCE wxhInstance = 0;
 #endif
 extern void wxSetKeyboardHook(bool doIt);
 extern wxCursor *g_globalCursor;
 
 HINSTANCE wxhInstance = 0;

-static MSG s_currentMsg;
+MSG s_currentMsg;

 wxApp *wxTheApp = NULL;
 
 // FIXME why not const? and not static?
 wxApp *wxTheApp = NULL;
 
 // FIXME why not const? and not static?


@@ -150,8 +150,6 @@ LRESULT APIENTRY wxWndProc(HWND, UINT, WPARAM, LPARAM);
     END_EVENT_TABLE()
 #endif
 
     END_EVENT_TABLE()
 #endif
 

-long wxApp::sm_lastMessageTime = 0;
-

 //// Initialize
 bool wxApp::Initialize()
 {
 //// Initialize
 bool wxApp::Initialize()
 {


@@ -169,6 +167,13 @@ bool wxApp::Initialize()
     wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
 #endif
 
     wxGetResource("wxWindows", "OsVersion", &wxOsVersion);
 #endif
 

+    // I'm annoyed ... I don't know where to put this and I don't want to
+    // create a module for that as it's part of the core.
+#if wxUSE_THREADS
+    wxPendingEvents = new wxList();
+    wxPendingEventsLocker = new wxCriticalSection();
+#endif
+

     wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
     wxTheColourDatabase->Initialize();
 
     wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
     wxTheColourDatabase->Initialize();
 


@@ -199,18 +204,6 @@ bool wxApp::Initialize()
     int iMsg = 96;
     while (!SetMessageQueue(iMsg) && (iMsg -= 8));
 
     int iMsg = 96;
     while (!SetMessageQueue(iMsg) && (iMsg -= 8));
 

-    /*
-       DWORD dwOleVer;
-       dwOleVer = CoBuildVersion();
-
-    // check the OLE library version
-    if (rmm != HIWORD(dwOleVer))
-    {
-    wxMessageBox("Incorrect version of OLE libraries.");
-    return FALSE;
-    }
-     */
-

 #if wxUSE_OLE
     // we need to initialize OLE library
     if ( FAILED(::OleInitialize(NULL)) )
 #if wxUSE_OLE
     // we need to initialize OLE library
     if ( FAILED(::OleInitialize(NULL)) )


@@ -238,11 +231,11 @@ bool wxApp::Initialize()
 
     // Create the brush for disabling bitmap buttons
 
 
     // Create the brush for disabling bitmap buttons
 

-    LOGBRUSH lb ;
+    LOGBRUSH lb;

     lb.lbStyle = BS_PATTERN;
     lb.lbStyle = BS_PATTERN;

-    lb.lbHatch = (int)LoadBitmap( wxhInstance, "wxDISABLE_BUTTON_BITMAP" ) ;
-    wxDisableButtonBrush = ::CreateBrushIndirect( & lb ) ;
-    ::DeleteObject( (HGDIOBJ)lb.lbHatch ) ;
+    lb.lbHatch = (int)LoadBitmap( wxhInstance, "wxDISABLE_BUTTON_BITMAP" );
+    wxDisableButtonBrush = ::CreateBrushIndirect( & lb );
+    ::DeleteObject( (HGDIOBJ)lb.lbHatch );

 
 #if wxUSE_PENWINDOWS
     wxRegisterPenWin();
 
 #if wxUSE_PENWINDOWS
     wxRegisterPenWin();


@@ -265,131 +258,88 @@ bool wxApp::Initialize()
     return TRUE;
 }
 
     return TRUE;
 }
 

-//// RegisterWindowClasses
+// ---------------------------------------------------------------------------
+// RegisterWindowClasses
+// ---------------------------------------------------------------------------

 
 bool wxApp::RegisterWindowClasses()
 {
 
 bool wxApp::RegisterWindowClasses()
 {

-    ///////////////////////////////////////////////////////////////////////
-    // Register the frame window class.
-    WNDCLASS wndclass;   // Structure used to register Windows class.
+    WNDCLASS wndclass;

 
 

-    wndclass.style         = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
+    // the fields which are common to all classes
+    wndclass.style         = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS;

     wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;
     wndclass.cbClsExtra    = 0;
     wndclass.lpfnWndProc   = (WNDPROC)wxWndProc;
     wndclass.cbClsExtra    = 0;

-    wndclass.cbWndExtra    = sizeof( DWORD ); // was 4
+    wndclass.cbWndExtra    = sizeof( DWORD ); // what is this DWORD used for?

     wndclass.hInstance     = wxhInstance;
     wndclass.hInstance     = wxhInstance;

-    wndclass.hIcon         = (HICON) NULL;        // wxSTD_FRAME_ICON;
-    wndclass.hCursor       = LoadCursor( (HINSTANCE) NULL, IDC_ARROW );
-    wndclass.hbrBackground =  (HBRUSH)(COLOR_APPWORKSPACE+1) ;
-    //  wndclass.hbrBackground = GetStockObject( WHITE_BRUSH );
+    wndclass.hIcon         = (HICON) NULL;
+    wndclass.hCursor       = ::LoadCursor((HINSTANCE)NULL, IDC_ARROW);

     wndclass.lpszMenuName  = NULL;
     wndclass.lpszMenuName  = NULL;

+
+    // Register the frame window class.
+    wndclass.hbrBackground = (HBRUSH)(COLOR_APPWORKSPACE + 1);

 #ifdef _MULTIPLE_INSTANCES
     sprintf( wxFrameClassName,"wxFrameClass%d", wxhInstance );
 #endif
     wndclass.lpszClassName = wxFrameClassName;
 
 #ifdef _MULTIPLE_INSTANCES
     sprintf( wxFrameClassName,"wxFrameClass%d", wxhInstance );
 #endif
     wndclass.lpszClassName = wxFrameClassName;
 

-    if (!RegisterClass( &wndclass ))
+    if ( !RegisterClass(&wndclass) )

     {
     {

-        // wxFatalError("Can't register Frame Window class");
+        wxLogLastError("RegisterClass(frame)");
+
+        return FALSE;

     }
 
     }
 

-    ///////////////////////////////////////////////////////////////////////

     // Register the MDI frame window class.
     // Register the MDI frame window class.

-    WNDCLASS wndclass1;   // Structure used to register Windows class.
-
-    wndclass1.style         = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
-    wndclass1.lpfnWndProc   = (WNDPROC)wxWndProc;
-    wndclass1.cbClsExtra    = 0;
-    wndclass1.cbWndExtra    = sizeof( DWORD ); // was 4
-    wndclass1.hInstance     = wxhInstance;
-    wndclass1.hIcon         = (HICON) NULL; // wxSTD_MDIPARENTFRAME_ICON;
-    wndclass1.hCursor       = LoadCursor( (HINSTANCE) NULL, IDC_ARROW );
-    //  wndclass1.hbrBackground =  (HBRUSH)(COLOR_APPWORKSPACE+1) ;
-    wndclass1.hbrBackground = (HBRUSH) NULL;
-    wndclass1.lpszMenuName  = NULL;
-
-    wndclass1.lpszClassName = wxMDIFrameClassName;
-    if (!RegisterClass( &wndclass1 ))
+    wndclass.hbrBackground = (HBRUSH)NULL; // paint MDI frame ourselves
+    wndclass.lpszClassName = wxMDIFrameClassName;
+
+    if ( !RegisterClass(&wndclass) )

     {
     {

-        //    wxFatalError("Can't register MDI Frame window class");
-        //  return FALSE;
+        wxLogLastError("RegisterClass(MDI parent)");
+
+        return FALSE;

     }
 
     }
 

-    ///////////////////////////////////////////////////////////////////////

     // Register the MDI child frame window class.
     // Register the MDI child frame window class.

-    WNDCLASS wndclass4;   // Structure used to register Windows class.
-
-    wndclass4.style         = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
-    wndclass4.lpfnWndProc   = (WNDPROC)wxWndProc;
-    wndclass4.cbClsExtra    = 0;
-    wndclass4.cbWndExtra    = sizeof( DWORD ); // was 4
-    wndclass4.hInstance     = wxhInstance;
-    wndclass4.hIcon         = (HICON) NULL;       // wxSTD_MDICHILDFRAME_ICON;
-    wndclass4.hCursor       = LoadCursor( (HINSTANCE) NULL, IDC_ARROW );
-    // TODO: perhaps this should be NULL so that Windows doesn't
-    // paint the background itself (would OnEraseBackground duplicate
-    // this?)
-    wndclass4.hbrBackground =  (HBRUSH)(COLOR_WINDOW+1) ;
-    //  wndclass4.hbrBackground = NULL;
-    wndclass4.lpszMenuName  = NULL;
-    wndclass4.lpszClassName = wxMDIChildFrameClassName;
-
-    if (!RegisterClass( &wndclass4 ))
+    wndclass.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
+    wndclass.lpszClassName = wxMDIChildFrameClassName;
+
+    if ( !RegisterClass(&wndclass) )

     {
     {

-        //   wxFatalError("Can't register MDI child frame window class");
-        //   return FALSE;
+        wxLogLastError("RegisterClass(MDI child)");
+
+        return FALSE;

     }
 
     }
 

-    ///////////////////////////////////////////////////////////////////////

     // Register the panel window class.
     // Register the panel window class.

-    WNDCLASS wndclass2;   // Structure used to register Windows class.
-    memset(&wndclass2, 0, sizeof(WNDCLASS));   // start with NULL defaults
-    wndclass2.style         = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
-    wndclass2.lpfnWndProc   = (WNDPROC)wxWndProc;
-    wndclass2.cbClsExtra    = 0;
-    wndclass2.cbWndExtra    = sizeof( DWORD ); // was 4
-    wndclass2.hInstance     = wxhInstance;
-    wndclass2.hIcon         = (HICON) NULL;
-    wndclass2.hCursor       = LoadCursor( (HINSTANCE) NULL, IDC_ARROW );
-    //  wndclass2.hbrBackground = (HBRUSH)(COLOR_BTNFACE+1) ;
-    wndclass2.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
-    wndclass2.lpszMenuName  = NULL;
-    wndclass2.lpszClassName = wxPanelClassName;
-    if (!RegisterClass( &wndclass2 ))
+    wndclass.hbrBackground = (HBRUSH) GetStockObject( LTGRAY_BRUSH );
+    wndclass.lpszClassName = wxPanelClassName;
+
+    if ( !RegisterClass(&wndclass) )

     {
     {

-        //   wxFatalError("Can't register Panel Window class");
-        //   return FALSE;
+        wxLogLastError("RegisterClass(panel)");
+
+        return FALSE;

     }
 
     }
 

-    ///////////////////////////////////////////////////////////////////////

     // Register the canvas and textsubwindow class name
     // Register the canvas and textsubwindow class name

-    WNDCLASS wndclass3;   // Structure used to register Windows class.
-    memset(&wndclass3, 0, sizeof(WNDCLASS));   // start with NULL defaults
-    // Use CS_OWNDC to avoid messing about restoring the context
-    // for every graphic operation.
-    //  wndclass3.style         = CS_HREDRAW | CS_VREDRAW | CS_OWNDC | CS_DBLCLKS ;
-    // wxWin 2.0
-    wndclass3.style         = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS ;
-    wndclass3.lpfnWndProc   = (WNDPROC)wxWndProc;
-    wndclass3.cbClsExtra    = 0;
-    wndclass3.cbWndExtra    = sizeof( DWORD ); // was 4
-    wndclass3.hInstance     = wxhInstance;
-    wndclass3.hIcon         = (HICON) NULL;
-    wndclass3.hCursor       = LoadCursor( (HINSTANCE) NULL, IDC_ARROW );
-    //  wndclass3.hbrBackground = (HBRUSH)(COLOR_WINDOW+1) ;
-    wndclass3.hbrBackground = (HBRUSH) NULL;
-    wndclass3.lpszMenuName  = NULL;
-    wndclass3.lpszClassName = wxCanvasClassName;
-    if (!RegisterClass( &wndclass3))
+    wndclass.hbrBackground = (HBRUSH)NULL;
+    wndclass.lpszClassName = wxCanvasClassName;
+
+    if ( !RegisterClass(&wndclass) )

     {
     {

-        //   wxFatalError("Can't register Canvas class");
-        //   return FALSE;
+        wxLogLastError("RegisterClass(canvas)");
+
+        return FALSE;

     }
 
     return TRUE;
 }
 
     }
 
     return TRUE;
 }
 

-//// Convert Windows to argc, argv style
+// ---------------------------------------------------------------------------
+// Convert Windows to argc, argv style
+// ---------------------------------------------------------------------------

 
 void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
 {
 
 void wxApp::ConvertToStandardCommandArgs(char* lpCmdLine)
 {


@@ -466,6 +416,7 @@ void wxApp::CleanUp()
 {
     //// COMMON CLEANUP
 
 {
     //// COMMON CLEANUP
 

+#if wxUSE_LOG

     // flush the logged messages if any and install a 'safer' log target: the
     // default one (wxLogGui) can't be used after the resources are freed just
     // below and the user suppliedo ne might be even more unsafe (using any
     // flush the logged messages if any and install a 'safer' log target: the
     // default one (wxLogGui) can't be used after the resources are freed just
     // below and the user suppliedo ne might be even more unsafe (using any


@@ -474,6 +425,7 @@ void wxApp::CleanUp()
 
     // this will flush the old messages if any
     delete wxLog::SetActiveTarget(new wxLogStderr);
 
     // this will flush the old messages if any
     delete wxLog::SetActiveTarget(new wxLogStderr);

+#endif // wxUSE_LOG

 
     // One last chance for pending objects to be cleaned up
     wxTheApp->DeletePendingObjects();
 
     // One last chance for pending objects to be cleaned up
     wxTheApp->DeletePendingObjects();


@@ -493,7 +445,7 @@ void wxApp::CleanUp()
     delete g_globalCursor;
     g_globalCursor = NULL;
 
     delete g_globalCursor;
     g_globalCursor = NULL;
 

-    wxDeleteStockObjects() ;
+    wxDeleteStockObjects();

 
     // Destroy all GDI lists, etc.
     wxDeleteStockLists();
 
     // Destroy all GDI lists, etc.
     wxDeleteStockLists();


@@ -538,7 +490,7 @@ void wxApp::CleanUp()
         DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
 
     if ( wxDisableButtonBrush )
         DestroyIcon(wxDEFAULT_MDIPARENTFRAME_ICON);
 
     if ( wxDisableButtonBrush )

-        ::DeleteObject( wxDisableButtonBrush ) ;
+        ::DeleteObject( wxDisableButtonBrush );

 
 #if wxUSE_OLE
     ::OleUninitialize();
 
 #if wxUSE_OLE
     ::OleUninitialize();


@@ -549,7 +501,16 @@ void wxApp::CleanUp()
 #endif
 
     if (wxWinHandleList)
 #endif
 
     if (wxWinHandleList)

-        delete wxWinHandleList ;
+        delete wxWinHandleList;
+
+    // GL: I'm annoyed ... I don't know where to put this and I don't want to 
+    // create a module for that as it's part of the core.
+#if wxUSE_THREADS
+    delete wxPendingEvents;
+    delete wxPendingEventsLocker;
+    // If we don't do the following, we get an apparent memory leak.
+    ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
+#endif

 
     wxClassInfo::CleanUpClasses();
 
 
     wxClassInfo::CleanUpClasses();
 


@@ -570,8 +531,10 @@ void wxApp::CleanUp()
     //  wxDebugContext::SetStream(NULL, NULL);
 #endif
 
     //  wxDebugContext::SetStream(NULL, NULL);
 #endif
 

+#if wxUSE_LOG

     // do it as the very last thing because everything else can log messages
     delete wxLog::SetActiveTarget(NULL);
     // do it as the very last thing because everything else can log messages
     delete wxLog::SetActiveTarget(NULL);

+#endif // wxUSE_LOG

 }
 
 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))
 }
 
 #if !defined(_WINDLL) || (defined(_WINDLL) && defined(WXMAKINGDLL))


@@ -631,7 +594,7 @@ int wxEntry(WXHINSTANCE hInstance,
 
         // GUI-specific initialisation. In fact on Windows we don't have any,
         // but this call is provided for compatibility across platforms.
 
         // GUI-specific initialisation. In fact on Windows we don't have any,
         // but this call is provided for compatibility across platforms.

-        wxTheApp->OnInitGui() ;
+        wxTheApp->OnInitGui();

 
         int retValue = 0;
 
 
         int retValue = 0;
 


@@ -744,16 +707,11 @@ wxApp::wxApp()
 {
     m_topWindow = NULL;
     wxTheApp = this;
 {
     m_topWindow = NULL;
     wxTheApp = this;

-    m_className = "";
-    m_wantDebugOutput = TRUE ;
-    m_appName = "";
+    m_wantDebugOutput = TRUE;
+

     argc = 0;
     argv = NULL;
     argc = 0;
     argv = NULL;

-#ifdef __WXMSW__

     m_printMode = wxPRINT_WINDOWS;
     m_printMode = wxPRINT_WINDOWS;

-#else
-    m_printMode = wxPRINT_POSTSCRIPT;
-#endif

     m_exitOnFrameDelete = TRUE;
     m_auto3D = TRUE;
 }
     m_exitOnFrameDelete = TRUE;
     m_auto3D = TRUE;
 }


@@ -860,7 +818,6 @@ bool wxApp::DoMessage()
         if ( !ProcessMessage((WXMSG *)&s_currentMsg) )
         {
             ::TranslateMessage(&s_currentMsg);
         if ( !ProcessMessage((WXMSG *)&s_currentMsg) )
         {
             ::TranslateMessage(&s_currentMsg);

-            wxApp::sm_lastMessageTime = s_currentMsg.time; /* MATTHEW: timeStamp impl. */

             ::DispatchMessage(&s_currentMsg);
         }
     }
             ::DispatchMessage(&s_currentMsg);
         }
     }


@@ -899,11 +856,6 @@ int wxApp::MainLoop()
 
 
         DoMessage();
 
 
         DoMessage();

-
-       // If they are pending events, we must process them.
-#if wxUSE_THREADS
-       ProcessPendingEvents();
-#endif

     }
 
     return s_currentMsg.wParam;
     }
 
     return s_currentMsg.wParam;


@@ -921,9 +873,9 @@ bool wxApp::ProcessIdle()
 
 #if wxUSE_THREADS
 void wxApp::ProcessPendingEvents()
 
 #if wxUSE_THREADS
 void wxApp::ProcessPendingEvents()

-
-    wxNode *node = wxPendingEvents.First();
-    wxCriticalSectionLocker locker(wxPendingEventsLocker);
+{
+    wxNode *node = wxPendingEvents->First();
+    wxCriticalSectionLocker locker(*wxPendingEventsLocker);

 
     while (node)
     {
 
     while (node)
     {


@@ -932,7 +884,7 @@ void wxApp::ProcessPendingEvents()
         handler->ProcessPendingEvents();
 
         delete node;
         handler->ProcessPendingEvents();
 
         delete node;

-        node = wxPendingEvents.First();
+        node = wxPendingEvents->First();

     }
 }
 #endif
     }
 }
 #endif


@@ -945,7 +897,7 @@ void wxApp::ExitMainLoop()
 
 bool wxApp::Pending()
 {
 
 bool wxApp::Pending()
 {

-    return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0) ;
+    return (::PeekMessage(&s_currentMsg, 0, 0, 0, PM_NOREMOVE) != 0);

 }
 
 void wxApp::Dispatch()
 }
 
 void wxApp::Dispatch()


@@ -996,10 +948,12 @@ void wxApp::OnIdle(wxIdleEvent& event)
     // 'Garbage' collection of windows deleted with Close().
     DeletePendingObjects();
 
     // 'Garbage' collection of windows deleted with Close().
     DeletePendingObjects();
 

+#if wxUSE_LOG

     // flush the logged messages if any
     wxLog *pLog = wxLog::GetActiveTarget();
     if ( pLog != NULL && pLog->HasPendingMessages() )
         pLog->Flush();
     // flush the logged messages if any
     wxLog *pLog = wxLog::GetActiveTarget();
     if ( pLog != NULL && pLog->HasPendingMessages() )
         pLog->Flush();

+#endif // wxUSE_LOG

 
     // Send OnIdle events to all windows
     if ( SendIdleEvents() )
 
     // Send OnIdle events to all windows
     if ( SendIdleEvents() )


@@ -1009,6 +963,10 @@ void wxApp::OnIdle(wxIdleEvent& event)
         event.RequestMore(TRUE);
     }
 
         event.RequestMore(TRUE);
     }
 

+    // If they are pending events, we must process them.
+#if wxUSE_THREADS
+    ProcessPendingEvents();
+#endif

     s_inOnIdle = FALSE;
 }
 
     s_inOnIdle = FALSE;
 }
 


@@ -1016,14 +974,14 @@ void wxApp::OnIdle(wxIdleEvent& event)
 bool wxApp::SendIdleEvents()
 {
     bool needMore = FALSE;
 bool wxApp::SendIdleEvents()
 {
     bool needMore = FALSE;

-    wxNode* node = wxTopLevelWindows.First();
+
+    wxWindowList::Node* node = wxTopLevelWindows.GetFirst();

     while (node)
     {
     while (node)
     {

-        wxWindow* win = (wxWindow*) node->Data();
+        wxWindow* win = node->GetData();

         if (SendIdleEvents(win))
             needMore = TRUE;
         if (SendIdleEvents(win))
             needMore = TRUE;

-
-        node = node->Next();
+        node = node->GetNext();

     }
 
     return needMore;
     }
 
     return needMore;


@@ -1050,7 +1008,7 @@ bool wxApp::SendIdleEvents(wxWindow* win)
 
         node = node->Next();
     }
 
         node = node->Next();
     }

-    return needMore ;
+    return needMore;

 }
 
 void wxApp::DeletePendingObjects()
 }
 
 void wxApp::DeletePendingObjects()


@@ -1097,8 +1055,8 @@ wxWindow* wxApp::GetTopWindow() const
 {
     if (m_topWindow)
         return m_topWindow;
 {
     if (m_topWindow)
         return m_topWindow;

-    else if (wxTopLevelWindows.Number() > 0)
-        return (wxWindow*) wxTopLevelWindows.First()->Data();
+    else if (wxTopLevelWindows.GetCount() > 0)
+        return wxTopLevelWindows.GetFirst()->GetData();

     else
         return NULL;
 }
     else
         return NULL;
 }


@@ -1164,6 +1122,10 @@ bool wxYield()
         if ( !wxTheApp->DoMessage() )
             break;
     }
         if ( !wxTheApp->DoMessage() )
             break;
     }

+    // If they are pending events, we must process them.
+#if wxUSE_THREADS
+    wxTheApp->ProcessPendingEvents();
+#endif

 
     return TRUE;
 }
 
     return TRUE;
 }