crash for frames without children corrected

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

diff --git a/src/motif/app.cpp b/src/motif/app.cpp
index 7836a95070695d2ff58b0d0542f133300c055d13..97e2911eb03d0b964c5366f9330fed7b3a411cd4 100644 (file)
--- a/src/motif/app.cpp
+++ b/src/motif/app.cpp
@@ -6,7 +6,7 @@
 // Created:     17/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Created:     17/09/98
 // RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__


@@ -70,19 +70,19 @@ bool wxApp::Initialize()
 #else
     wxBuffer = new char[BUFSIZ + 512];
 #endif
 #else
     wxBuffer = new char[BUFSIZ + 512];
 #endif

-    
+

     wxClassInfo::InitializeClasses();
     wxClassInfo::InitializeClasses();

-    
+

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

-    
+

     wxInitializeStockLists();
     wxInitializeStockObjects();
     wxInitializeStockLists();
     wxInitializeStockObjects();

-    
+

 #if wxUSE_WX_RESOURCES
     wxInitializeResourceSystem();
 #endif
 #if wxUSE_WX_RESOURCES
     wxInitializeResourceSystem();
 #endif

-    
+

     // For PostScript printing
 #if wxUSE_POSTSCRIPT
     /* Done using wxModule now
     // For PostScript printing
 #if wxUSE_POSTSCRIPT
     /* Done using wxModule now


@@ -91,14 +91,14 @@ bool wxApp::Initialize()
     wxThePrintPaperDatabase->CreateDatabase();
     */
 #endif
     wxThePrintPaperDatabase->CreateDatabase();
     */
 #endif

-    
+

     wxBitmap::InitStandardHandlers();
     wxBitmap::InitStandardHandlers();

-    
+

     wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);
     wxWidgetHashTable = new wxHashTable(wxKEY_INTEGER);

-    
+

     wxModule::RegisterModules();
     if (!wxModule::InitializeModules()) return FALSE;
     wxModule::RegisterModules();
     if (!wxModule::InitializeModules()) return FALSE;

-    
+

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -106,32 +106,32 @@ void wxApp::CleanUp()
 {
     delete wxWidgetHashTable;
     wxWidgetHashTable = NULL;
 {
     delete wxWidgetHashTable;
     wxWidgetHashTable = NULL;

-    
+

     wxModule::CleanUpModules();
     wxModule::CleanUpModules();

-    
+

 #if wxUSE_WX_RESOURCES
     wxCleanUpResourceSystem();
 #endif
 #if wxUSE_WX_RESOURCES
     wxCleanUpResourceSystem();
 #endif

-    
+

     wxDeleteStockObjects() ;
     wxDeleteStockObjects() ;

-    
+

     // Destroy all GDI lists, etc.
     // Destroy all GDI lists, etc.

-    
+

     delete wxTheBrushList;
     wxTheBrushList = NULL;
     delete wxTheBrushList;
     wxTheBrushList = NULL;

-    
+

     delete wxThePenList;
     wxThePenList = NULL;
     delete wxThePenList;
     wxThePenList = NULL;

-    
+

     delete wxTheFontList;
     wxTheFontList = NULL;
     delete wxTheFontList;
     wxTheFontList = NULL;

-    
+

     delete wxTheBitmapList;
     wxTheBitmapList = NULL;
     delete wxTheBitmapList;
     wxTheBitmapList = NULL;

-    
+

     delete wxTheColourDatabase;
     wxTheColourDatabase = NULL;
     delete wxTheColourDatabase;
     wxTheColourDatabase = NULL;

-    
+

 #if wxUSE_POSTSCRIPT
     /* Done using wxModule now
     wxInitializePrintSetupData(FALSE);
 #if wxUSE_POSTSCRIPT
     /* Done using wxModule now
     wxInitializePrintSetupData(FALSE);


@@ -139,17 +139,17 @@ void wxApp::CleanUp()
     wxThePrintPaperDatabase = NULL;
     */
 #endif
     wxThePrintPaperDatabase = NULL;
     */
 #endif

-    
+

     wxBitmap::CleanUpHandlers();
     wxBitmap::CleanUpHandlers();

-    
+

     delete[] wxBuffer;
     wxBuffer = NULL;
     delete[] wxBuffer;
     wxBuffer = NULL;

-    
+

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

-    
+

     delete wxTheApp;
     wxTheApp = NULL;
     delete wxTheApp;
     wxTheApp = NULL;

-    
+

 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
     // At this point we want to check if there are any memory
     // blocks that aren't part of the wxDebugContext itself,
 #if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
     // At this point we want to check if there are any memory
     // blocks that aren't part of the wxDebugContext itself,


@@ -162,7 +162,7 @@ void wxApp::CleanUp()
         wxDebugContext::PrintStatistics();
     }
 #endif
         wxDebugContext::PrintStatistics();
     }
 #endif

-    
+

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


@@ -180,10 +180,10 @@ int wxEntry( int argc, char *argv[] )
     // checked, but this is a reasonable compromise.
     wxDebugContext::SetCheckpoint();
 #endif
     // checked, but this is a reasonable compromise.
     wxDebugContext::SetCheckpoint();
 #endif

-    
+

     if (!wxApp::Initialize())
         return FALSE;
     if (!wxApp::Initialize())
         return FALSE;

-    
+

     if (!wxTheApp)
     {
         if (!wxApp::GetInitializerFunction())
     if (!wxTheApp)
     {
         if (!wxApp::GetInitializerFunction())


@@ -191,55 +191,55 @@ int wxEntry( int argc, char *argv[] )
             printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
             return 0;
         };
             printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
             return 0;
         };

-        
+

         wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) ();
     };
         wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) ();
     };

-    
+

     if (!wxTheApp)
     {
         printf( "wxWindows error: wxTheApp == NULL\n" );
         return 0;
     };
     if (!wxTheApp)
     {
         printf( "wxWindows error: wxTheApp == NULL\n" );
         return 0;
     };

-    
+

     wxTheApp->SetClassName(wxFileNameFromPath(argv[0]));
     wxTheApp->SetAppName(wxFileNameFromPath(argv[0]));
     wxTheApp->SetClassName(wxFileNameFromPath(argv[0]));
     wxTheApp->SetAppName(wxFileNameFromPath(argv[0]));

-    
+

     wxTheApp->argc = argc;
     wxTheApp->argv = argv;
     wxTheApp->argc = argc;
     wxTheApp->argv = argv;

-    
+

     // GUI-specific initialization, such as creating an app context.
     wxTheApp->OnInitGui();
     // GUI-specific initialization, such as creating an app context.
     wxTheApp->OnInitGui();

-    
+

     // Here frames insert themselves automatically
     // into wxTopLevelWindows by getting created
     // in OnInit().
     // Here frames insert themselves automatically
     // into wxTopLevelWindows by getting created
     // in OnInit().

-    
+

     int retValue = 0;
     if (wxTheApp->OnInit())
     {
         if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
     }
     int retValue = 0;
     if (wxTheApp->OnInit())
     {
         if (wxTheApp->Initialized()) retValue = wxTheApp->OnRun();
     }

-    
+

     // 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();

-    
+

     delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used
     // for further messages
     delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used
     // for further messages

-    
+

     if (wxTheApp->GetTopWindow())
     {
         delete wxTheApp->GetTopWindow();
         wxTheApp->SetTopWindow(NULL);
     }
     if (wxTheApp->GetTopWindow())
     {
         delete wxTheApp->GetTopWindow();
         wxTheApp->SetTopWindow(NULL);
     }

-    
+

     wxTheApp->DeletePendingObjects();
     wxTheApp->DeletePendingObjects();

-    
+

     wxTheApp->OnExit();
     wxTheApp->OnExit();

-    
+

     wxApp::CleanUp();
     wxApp::CleanUp();

-    
+

     return retValue;
 };
 
     return retValue;
 };
 


@@ -258,7 +258,7 @@ wxApp::wxApp()
     m_printMode = wxPRINT_POSTSCRIPT;
     m_exitOnFrameDelete = TRUE;
     m_auto3D = TRUE;
     m_printMode = wxPRINT_POSTSCRIPT;
     m_exitOnFrameDelete = TRUE;
     m_auto3D = TRUE;

-    
+

     m_mainColormap = (WXColormap) NULL;
     m_appContext = (WXAppContext) NULL;
     m_topLevelWidget = (WXWidget) NULL;
     m_mainColormap = (WXColormap) NULL;
     m_appContext = (WXAppContext) NULL;
     m_topLevelWidget = (WXWidget) NULL;


@@ -277,42 +277,41 @@ bool wxApp::Initialized()
 int wxApp::MainLoop()
 {
     m_keepGoing = TRUE;
 int wxApp::MainLoop()
 {
     m_keepGoing = TRUE;

-    
+

     /*
     * Sit around forever waiting to process X-events. Property Change
     * event are handled special, because they have to refer to
     * the root window rather than to a widget. therefore we can't
     * use an Xt-eventhandler.
     */
     /*
     * Sit around forever waiting to process X-events. Property Change
     * event are handled special, because they have to refer to
     * the root window rather than to a widget. therefore we can't
     * use an Xt-eventhandler.
     */

-    
+

     XSelectInput(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()),
         XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())),
         PropertyChangeMask);
     XSelectInput(XtDisplay((Widget) wxTheApp->GetTopLevelWidget()),
         XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())),
         PropertyChangeMask);

-    
+

     XEvent event;
     XEvent event;

-    
+

     // Use this flag to allow breaking the loop via wxApp::ExitMainLoop()
     while (m_keepGoing)
     {
         XtAppNextEvent( (XtAppContext) wxTheApp->GetAppContext(), &event);
     // Use this flag to allow breaking the loop via wxApp::ExitMainLoop()
     while (m_keepGoing)
     {
         XtAppNextEvent( (XtAppContext) wxTheApp->GetAppContext(), &event);

-        
+

         ProcessXEvent((WXEvent*) & event);
         ProcessXEvent((WXEvent*) & event);

-        
+

         if (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) == 0)
         {
             if (!ProcessIdle())
         if (XtAppPending( (XtAppContext) wxTheApp->GetAppContext() ) == 0)
         {
             if (!ProcessIdle())

-            { 
-                // TODO: Robert, what's this for?
-#if wxUSE_THREADS
+            {
+                // leave the main loop to give other threads a chance to
+                // perform their GUI work

                 wxMutexGuiLeave();
                 wxMutexGuiLeave();

-                usleep(20);  
+                wxUsleep(20);

                 wxMutexGuiEnter();
                 wxMutexGuiEnter();

-#endif

             }
         }
             }
         }

-        
+

     }
     }

-    
+

     return 0;
 }
 
     return 0;
 }
 


@@ -320,7 +319,7 @@ int wxApp::MainLoop()
 void wxApp::ProcessXEvent(WXEvent* _event)
 {
     XEvent* event = (XEvent*) _event;
 void wxApp::ProcessXEvent(WXEvent* _event)
 {
     XEvent* event = (XEvent*) _event;

-    
+

     if ((event->type == KeyPress) && CheckForAccelerator(_event))
     {
         // Do nothing! We intercepted and processed the event as an accelerator.
     if ((event->type == KeyPress) && CheckForAccelerator(_event))
     {
         // Do nothing! We intercepted and processed the event as an accelerator.


@@ -337,18 +336,18 @@ void wxApp::ProcessXEvent(WXEvent* _event)
     * If resize event, don't resize until the last resize event for this
     * window is recieved. Prevents flicker as windows are resized.
         */
     * If resize event, don't resize until the last resize event for this
     * window is recieved. Prevents flicker as windows are resized.
         */

-        
+

         Display *disp = XtDisplay((Widget) wxTheApp->GetTopLevelWidget());
         Window win = event->xany.window;
         XEvent report;
         Display *disp = XtDisplay((Widget) wxTheApp->GetTopLevelWidget());
         Window win = event->xany.window;
         XEvent report;

-        
+

         //  to avoid flicker
         report = * event;
         while( XCheckTypedWindowEvent (disp, win, ResizeRequest, &report));
         //  to avoid flicker
         report = * event;
         while( XCheckTypedWindowEvent (disp, win, ResizeRequest, &report));

-        
+

         // TODO: when implementing refresh optimization, we can use
         // XtAddExposureToRegion to expand the window's paint region.
         // TODO: when implementing refresh optimization, we can use
         // XtAddExposureToRegion to expand the window's paint region.

-        
+

         XtDispatchEvent(event);
     }
     else
         XtDispatchEvent(event);
     }
     else


@@ -363,7 +362,7 @@ bool wxApp::ProcessIdle()
     wxIdleEvent event;
     event.SetEventObject(this);
     ProcessEvent(event);
     wxIdleEvent event;
     event.SetEventObject(this);
     ProcessEvent(event);

-    
+

     return event.MoreRequested();
 }
 
     return event.MoreRequested();
 }
 


@@ -376,7 +375,7 @@ void wxApp::ExitMainLoop()
 bool wxApp::Pending()
 {
     XFlush(XtDisplay( (Widget) wxTheApp->GetTopLevelWidget() ));
 bool wxApp::Pending()
 {
     XFlush(XtDisplay( (Widget) wxTheApp->GetTopLevelWidget() ));

-    
+

     // Fix by Doug from STI, to prevent a stall if non-X event
     // is found.
     return ((XtAppPending( (XtAppContext) GetAppContext() ) & XtIMXEvent) != 0) ;
     // Fix by Doug from STI, to prevent a stall if non-X event
     // is found.
     return ((XtAppPending( (XtAppContext) GetAppContext() ) & XtIMXEvent) != 0) ;


@@ -386,7 +385,7 @@ bool wxApp::Pending()
 void wxApp::Dispatch()
 {
     //    XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
 void wxApp::Dispatch()
 {
     //    XtAppProcessEvent( (XtAppContext) wxTheApp->GetAppContext(), XtIMAll);

-    
+

     XEvent event;
     XtAppNextEvent((XtAppContext) GetAppContext(), &event);
     ProcessXEvent((WXEvent*) & event);
     XEvent event;
     XtAppNextEvent((XtAppContext) GetAppContext(), &event);
     ProcessXEvent((WXEvent*) & event);


@@ -403,27 +402,27 @@ void wxApp::HandlePropertyChange(WXEvent *event)
 void wxApp::OnIdle(wxIdleEvent& event)
 {
     static bool inOnIdle = FALSE;
 void wxApp::OnIdle(wxIdleEvent& event)
 {
     static bool inOnIdle = FALSE;

-    
+

     // Avoid recursion (via ProcessEvent default case)
     if (inOnIdle)
         return;
     // Avoid recursion (via ProcessEvent default case)
     if (inOnIdle)
         return;

-    
+

     inOnIdle = TRUE;
     inOnIdle = TRUE;

-    
+

     // 'Garbage' collection of windows deleted with Close().
     DeletePendingObjects();
     // 'Garbage' collection of windows deleted with Close().
     DeletePendingObjects();

-    
+

     // 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();

-    
+

     // Send OnIdle events to all windows
     bool needMore = SendIdleEvents();
     // Send OnIdle events to all windows
     bool needMore = SendIdleEvents();

-    
+

     if (needMore)
         event.RequestMore(TRUE);
     if (needMore)
         event.RequestMore(TRUE);

-    
+

     inOnIdle = FALSE;
 }
 
     inOnIdle = FALSE;
 }
 


@@ -437,7 +436,7 @@ bool wxApp::SendIdleEvents()
         wxWindow* win = (wxWindow*) node->Data();
         if (SendIdleEvents(win))
             needMore = TRUE;
         wxWindow* win = (wxWindow*) node->Data();
         if (SendIdleEvents(win))
             needMore = TRUE;

-        
+

         node = node->Next();
     }
     return needMore;
         node = node->Next();
     }
     return needMore;


@@ -447,21 +446,21 @@ bool wxApp::SendIdleEvents()
 bool wxApp::SendIdleEvents(wxWindow* win)
 {
     bool needMore = FALSE;
 bool wxApp::SendIdleEvents(wxWindow* win)
 {
     bool needMore = FALSE;

-    
+

     wxIdleEvent event;
     event.SetEventObject(win);
     win->ProcessEvent(event);
     wxIdleEvent event;
     event.SetEventObject(win);
     win->ProcessEvent(event);

-    
+

     if (event.MoreRequested())
         needMore = TRUE;
     if (event.MoreRequested())
         needMore = TRUE;

-    
+

     wxNode* node = win->GetChildren().First();
     while (node)
     {
         wxWindow* win = (wxWindow*) node->Data();
         if (SendIdleEvents(win))
             needMore = TRUE;
     wxNode* node = win->GetChildren().First();
     while (node)
     {
         wxWindow* win = (wxWindow*) node->Data();
         if (SendIdleEvents(win))
             needMore = TRUE;

-        
+

         node = node->Next();
     }
     return needMore ;
         node = node->Next();
     }
     return needMore ;


@@ -473,12 +472,12 @@ void wxApp::DeletePendingObjects()
     while (node)
     {
         wxObject *obj = (wxObject *)node->Data();
     while (node)
     {
         wxObject *obj = (wxObject *)node->Data();

-        
+

         delete obj;
         delete obj;

-        
+

         if (wxPendingDelete.Member(obj))
             delete node;
         if (wxPendingDelete.Member(obj))
             delete node;

-        
+

         // Deleting one object may have deleted other pending
         // objects, so start from beginning of list again.
         node = wxPendingDelete.First();
         // Deleting one object may have deleted other pending
         // objects, so start from beginning of list again.
         node = wxPendingDelete.First();


@@ -517,20 +516,20 @@ bool wxApp::OnInitGui()
         exit(-1);
     }
     m_initialDisplay = (WXDisplay*) dpy;
         exit(-1);
     }
     m_initialDisplay = (WXDisplay*) dpy;

-    
+

     wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(),
         applicationShellWidgetClass,dpy,
         NULL,0) ;
     wxTheApp->m_topLevelWidget = (WXWidget) XtAppCreateShell((String)NULL, (const char*) wxTheApp->GetClassName(),
         applicationShellWidgetClass,dpy,
         NULL,0) ;

-    
+

     // Add general resize proc
     XtActionsRec rec;
     rec.string = "resize";
     rec.proc = (XtActionProc)wxWidgetResizeProc;
     XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1);
     // Add general resize proc
     XtActionsRec rec;
     rec.string = "resize";
     rec.proc = (XtActionProc)wxWidgetResizeProc;
     XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1);

-    
+

     GetMainColormap(dpy);
     m_maxRequestSize = XMaxRequestSize((Display*) dpy);
     GetMainColormap(dpy);
     m_maxRequestSize = XMaxRequestSize((Display*) dpy);

-    
+

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -541,12 +540,12 @@ WXColormap wxApp::GetMainColormap(WXDisplay* display)
 
     int defaultScreen = DefaultScreen((Display*) display);
     Screen* screen = XScreenOfDisplay((Display*) display, defaultScreen);
 
     int defaultScreen = DefaultScreen((Display*) display);
     Screen* screen = XScreenOfDisplay((Display*) display, defaultScreen);

-    
+

     Colormap c = DefaultColormapOfScreen(screen);
     Colormap c = DefaultColormapOfScreen(screen);

-    
+

     if (!m_mainColormap)
         m_mainColormap = (WXColormap) c;
     if (!m_mainColormap)
         m_mainColormap = (WXColormap) c;

-    
+

     return (WXColormap) c;
 }
 
     return (WXColormap) c;
 }
 


@@ -560,17 +559,17 @@ bool wxApp::CheckForAccelerator(WXEvent* event)
         // TODO: should get display for the window, not the current display
         Widget widget = XtWindowToWidget((Display*) wxGetDisplay(), xEvent->xany.window);
         wxWindow* win = NULL;
         // TODO: should get display for the window, not the current display
         Widget widget = XtWindowToWidget((Display*) wxGetDisplay(), xEvent->xany.window);
         wxWindow* win = NULL;

-        
+

         // Find the first wxWindow that corresponds to this event window
         while (widget && !(win = wxGetWindowFromTable(widget)))
             widget = XtParent(widget);
         // Find the first wxWindow that corresponds to this event window
         while (widget && !(win = wxGetWindowFromTable(widget)))
             widget = XtParent(widget);

-        
+

         if (!widget || !win)
             return FALSE;
         if (!widget || !win)
             return FALSE;

-        
+

         wxKeyEvent keyEvent(wxEVT_CHAR);
         wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent);
         wxKeyEvent keyEvent(wxEVT_CHAR);
         wxTranslateKeyEvent(keyEvent, win, (Widget) 0, xEvent);

-        
+

         // Now we have a wxKeyEvent and we have a wxWindow.
         // Go up the hierarchy until we find a matching accelerator,
         // or we get to the top.
         // Now we have a wxKeyEvent and we have a wxWindow.
         // Go up the hierarchy until we find a matching accelerator,
         // or we get to the top.


@@ -590,7 +589,7 @@ void wxExit()
     int retValue = 0;
     if (wxTheApp)
         retValue = wxTheApp->OnExit();
     int retValue = 0;
     if (wxTheApp)
         retValue = wxTheApp->OnExit();

-    
+

     wxApp::CleanUp();
     /*
     * Exit in some platform-specific way. Not recommended that the app calls this:
     wxApp::CleanUp();
     /*
     * Exit in some platform-specific way. Not recommended that the app calls this:


@@ -604,6 +603,12 @@ bool wxYield()
 {
     while (wxTheApp && wxTheApp->Pending())
         wxTheApp->Dispatch();
 {
     while (wxTheApp && wxTheApp->Pending())
         wxTheApp->Dispatch();

+
+    // VZ: is it the same as this (taken from old wxExecute)?
+#if 0
+    XtAppProcessEvent((XtAppContext) wxTheApp->GetAppContext(), XtIMAll);
+#endif
+

     return TRUE;
 }
 
     return TRUE;
 }