check default library directories in WX_PATH_FIND_LIBRARIES; do *not* add default...

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

diff --git a/src/motif/app.cpp b/src/motif/app.cpp
index cc1fad12dd4efe467c589f2db313dddf69abd911..ef00606e5fc75f266581495f6cae0525199fc06e 100644 (file)
--- a/src/motif/app.cpp
+++ b/src/motif/app.cpp
@@ -9,10 +9,13 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "app.h"
 #endif
 
     #pragma implementation "app.h"
 #endif
 

+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+

 #ifdef __VMS
 #define XtParent XTPARENT
 #define XtDisplay XTDISPLAY
 #ifdef __VMS
 #define XtParent XTPARENT
 #define XtDisplay XTDISPLAY


@@ -26,7 +29,6 @@
 #include "wx/intl.h"
 #include "wx/evtloop.h"
 #include "wx/hash.h"
 #include "wx/intl.h"
 #include "wx/evtloop.h"
 #include "wx/hash.h"

-#include "wx/hashmap.h"

 
 #if wxUSE_THREADS
     #include "wx/thread.h"
 
 #if wxUSE_THREADS
     #include "wx/thread.h"


@@ -51,14 +53,16 @@
 struct wxPerDisplayData
 {
     wxPerDisplayData()
 struct wxPerDisplayData
 {
     wxPerDisplayData()

-        { m_visualInfo = NULL; m_topLevelWidget = NULL; }
+    {
+        m_visualInfo = NULL;
+        m_topLevelWidget = NULL;
+        m_topLevelRealizedWidget = NULL;
+    }

 
     wxXVisualInfo* m_visualInfo;
 
     wxXVisualInfo* m_visualInfo;

-    Widget         m_topLevelWidget;
+    Widget         m_topLevelWidget, m_topLevelRealizedWidget;

 };
 
 };
 

-WX_DECLARE_VOIDPTR_HASH_MAP( wxPerDisplayData, wxPerDisplayDataMap );
-

 static void wxTLWidgetDestroyCallback(Widget w, XtPointer clientData,
                                       XtPointer ptr);
 static WXWidget wxCreateTopLevelWidget( WXDisplay* display );
 static void wxTLWidgetDestroyCallback(Widget w, XtPointer clientData,
                                       XtPointer ptr);
 static WXWidget wxCreateTopLevelWidget( WXDisplay* display );


@@ -66,214 +70,86 @@ static WXWidget wxCreateTopLevelWidget( WXDisplay* display );
 extern wxList wxPendingDelete;
 extern bool wxAddIdleCallback();
 
 extern wxList wxPendingDelete;
 extern bool wxAddIdleCallback();
 

-wxApp *wxTheApp = NULL;
-

 wxHashTable *wxWidgetHashTable = NULL;
 
 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 
 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
 wxHashTable *wxWidgetHashTable = NULL;
 
 IMPLEMENT_DYNAMIC_CLASS(wxApp, wxEvtHandler)
 
 BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)

-    EVT_IDLE(wxApp::OnIdle)
+    EVT_IDLE(wxAppBase::OnIdle)

 END_EVENT_TABLE()
 
 #ifdef __WXDEBUG__
 END_EVENT_TABLE()
 
 #ifdef __WXDEBUG__

+extern "C"
+{

     typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);
     typedef int (*XErrorHandlerFunc)(Display *, XErrorEvent *);

+}

 
 

-    XErrorHandlerFunc gs_pfnXErrorHandler = 0;
-
-    static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
-    {
-        // just forward to the default handler for now
-        return gs_pfnXErrorHandler(dpy, xevent);
-    }
-#endif // __WXDEBUG__
+XErrorHandlerFunc gs_pfnXErrorHandler = 0;

 
 

-bool wxApp::Initialize()
+extern "C"

 {
 {

-    wxClassInfo::InitializeClasses();

 
 

-    // 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
-    wxPendingEventsLocker = new wxCriticalSection();
-#endif
+static int wxXErrorHandler(Display *dpy, XErrorEvent *xevent)
+{
+    // just forward to the default handler for now
+    return gs_pfnXErrorHandler(dpy, xevent);
+}

 
 

-    wxTheColourDatabase = new wxColourDatabase(wxKEY_STRING);
-    wxTheColourDatabase->Initialize();
+}
+#endif // __WXDEBUG__

 
 

-    wxInitializeStockLists();
-    wxInitializeStockObjects();
+bool wxApp::Initialize(int& argcOrig, wxChar **argvOrig)
+{
+    if ( !wxAppBase::Initialize(argcOrig, argvOrig) )
+        return false;

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

-    wxModule::RegisterModules();
-    if (!wxModule::InitializeModules()) return FALSE;
+#if wxUSE_INTL
+    wxFont::SetDefaultEncoding(wxLocale::GetSystemEncoding());
+#endif

 
 

-    return TRUE;
+    return true;

 }
 
 void wxApp::CleanUp()
 {
 }
 
 void wxApp::CleanUp()
 {

-    wxModule::CleanUpModules();
-
-    wxDeleteStockObjects() ;
-
-    // Destroy all GDI lists, etc.
-
-    wxDeleteStockLists();
-
-    delete wxTheColourDatabase;
-    wxTheColourDatabase = NULL;
-
-    wxClassInfo::CleanUpClasses();
-
-    delete wxTheApp;
-    wxTheApp = NULL;
+    wxAppBase::CleanUp();

 
     delete wxWidgetHashTable;
     wxWidgetHashTable = NULL;
 
 
     delete wxWidgetHashTable;
     wxWidgetHashTable = NULL;
 

-    // 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;
-    wxPendingEvents = NULL;
-    delete wxPendingEventsLocker;
-    wxPendingEventsLocker = NULL;
-#endif
+    delete m_mainLoop;

 
 

-#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,
-    // as a special case. Then when dumping we need to ignore
-    // wxDebugContext, too.
-    if (wxDebugContext::CountObjectsLeft(TRUE) > 0)
+    for( wxPerDisplayDataMap::iterator it  = m_perDisplayData->begin(),
+                                       end = m_perDisplayData->end();
+         it != end; ++it )

     {
     {

-        wxLogDebug("There were memory leaks.\n");
-        wxDebugContext::Dump();
-        wxDebugContext::PrintStatistics();
+        delete it->second->m_visualInfo;
+        XtDestroyWidget( it->second->m_topLevelWidget );
+        delete it->second;

     }
     }

-#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
-    delete wxLog::SetActiveTarget(NULL);
-}
-
-// ============================================================================
-// wxEntry*
-// ============================================================================
-
-int wxEntryStart( int argc, char* argv[] )
-{
-#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
-    // This seems to be necessary since there are 'rogue'
-    // objects present at this point (perhaps global objects?)
-    // Setting a checkpoint will ignore them as far as the
-    // memory checking facility is concerned.
-    // Of course you may argue that memory allocated in globals should be
-    // checked, but this is a reasonable compromise.
-    wxDebugContext::SetCheckpoint();
-#endif
-
-    if (!wxApp::Initialize())
-        return -1;
-
-    return 0;
-}
-
-int wxEntryInitGui()
-{
-    int retValue = 0;
-
-    // GUI-specific initialization, such as creating an app context.
-    if (!wxTheApp->OnInitGui())
-        retValue = -1;

 
 

-    return retValue;
+    delete m_perDisplayData;

 }
 
 }
 

-void wxEntryCleanup()
+void wxApp::Exit()

 {
 {

-    // So dialog boxes aren't used for further messages
-    delete wxLog::SetActiveTarget(new wxLogStderr);
-
-    // flush the logged messages if any
-    wxLog *pLog = wxLog::GetActiveTarget();
-    if ( pLog != NULL && pLog->HasPendingMessages() )
-        pLog->Flush();
-

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

-}
-
-int wxEntry( int argc, char *argv[] )
-{
-    int retValue = 0;
-
-    retValue = wxEntryStart( argc, argv );
-    if (retValue) return retValue;
-
-    if (!wxTheApp)
-    {
-        if (!wxApp::GetInitializerFunction())
-        {
-            printf( "wxWindows error: No initializer - use IMPLEMENT_APP macro.\n" );
-            return 0;
-        };
-
-        wxTheApp = (wxApp*) (* wxApp::GetInitializerFunction()) ();
-    };
-
-    if (!wxTheApp)
-    {
-        printf( "wxWindows error: wxTheApp == NULL\n" );
-        return 0;
-    };
-
-    wxTheApp->SetClassName(wxFileNameFromPath(argv[0]));
-    wxTheApp->SetAppName(wxFileNameFromPath(argv[0]));
-
-    wxTheApp->argc = argc;
-    wxTheApp->argv = argv;
-
-    // GUI-specific initialization, such as creating an app context.
-    retValue = wxEntryInitGui();
-    if (retValue) return retValue;

 
 

-    // Here frames insert themselves automatically into wxTopLevelWindows by
-    // getting created in OnInit().
-
-    if (wxTheApp->OnInit())
-    {
-        if (wxTheApp->Initialized())
-            wxTheApp->OnRun();
-    }
-
-    if (wxTheApp->GetTopWindow())
-    {
-        delete wxTheApp->GetTopWindow();
-        wxTheApp->SetTopWindow(NULL);
-    }
-
-    wxTheApp->DeletePendingObjects();
-
-    retValue = wxTheApp->OnExit();
-
-    wxEntryCleanup();
-
-    return retValue;
+    wxAppConsole::Exit();

 }
 
 }
 

-// Static member initialization
-wxAppInitializerFunction wxAppBase::m_appInitFn = (wxAppInitializerFunction) NULL;
+// ============================================================================
+// wxApp
+// ============================================================================

 
 wxApp::wxApp()
 {
     argc = 0;
     argv = NULL;
 
 
 wxApp::wxApp()
 {
     argc = 0;
     argv = NULL;
 

-    m_eventLoop = new wxEventLoop;
+    m_mainLoop = new wxEventLoop;

     m_mainColormap = (WXColormap) NULL;
     m_appContext = (WXAppContext) NULL;
     m_initialDisplay = (WXDisplay*) 0;
     m_mainColormap = (WXColormap) NULL;
     m_appContext = (WXAppContext) NULL;
     m_initialDisplay = (WXDisplay*) 0;


@@ -282,27 +158,7 @@ wxApp::wxApp()
 
 wxApp::~wxApp()
 {
 
 wxApp::~wxApp()
 {

-    delete m_eventLoop;
-
-    for( wxPerDisplayDataMap::iterator it  = m_perDisplayData->begin(),
-                                       end = m_perDisplayData->end();
-         it != end; ++it )
-    {
-        delete it->second.m_visualInfo;
-        XtDestroyWidget( it->second.m_topLevelWidget );
-    }
-
-    delete m_perDisplayData;
-
-    wxTheApp = NULL;
-}
-
-bool wxApp::Initialized()
-{
-    if (GetTopWindow())
-        return TRUE;
-    else
-        return FALSE;
+    wxApp::SetInstance(NULL);

 }
 
 int wxApp::MainLoop()
 }
 
 int wxApp::MainLoop()


@@ -318,45 +174,11 @@ int wxApp::MainLoop()
         XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())),
         PropertyChangeMask);
 
         XDefaultRootWindow(XtDisplay((Widget) wxTheApp->GetTopLevelWidget())),
         PropertyChangeMask);
 

-    m_eventLoop->Run();
+    m_mainLoop->Run();

 
     return 0;
 }
 
 
     return 0;
 }
 

-// Processes an idle event.
-// Returns TRUE if more time is needed.
-bool wxApp::ProcessIdle()
-{
-    wxIdleEvent event;
-
-    return ProcessEvent(event) && event.MoreRequested();
-}
-
-void wxApp::ExitMainLoop()
-{
-    if( m_eventLoop->IsRunning() )
-        m_eventLoop->Exit();
-}
-
-// Is a message/event pending?
-bool wxApp::Pending()
-{
-    return m_eventLoop->Pending();
-#if 0
-    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) ;
-#endif
-}
-
-// Dispatch a message.
-void wxApp::Dispatch()
-{
-    m_eventLoop->Dispatch();
-}
-

 // This should be redefined in a derived class for
 // handling property change events for XAtom IPC.
 void wxApp::HandlePropertyChange(WXEvent *event)
 // This should be redefined in a derived class for
 // handling property change events for XAtom IPC.
 void wxApp::HandlePropertyChange(WXEvent *event)


@@ -365,109 +187,20 @@ void wxApp::HandlePropertyChange(WXEvent *event)
     XtDispatchEvent((XEvent*) event); /* let Motif do the work */
 }
 
     XtDispatchEvent((XEvent*) event); /* let Motif do the work */
 }
 

-void wxApp::OnIdle(wxIdleEvent& event)
-{
-    static bool inOnIdle = FALSE;
-
-    // Avoid recursion (via ProcessEvent default case)
-    if (inOnIdle)
-        return;
-
-    inOnIdle = TRUE;
-
-    // If there are pending events, we must process them: pending events
-    // are either events to the threads other than main or events posted
-    // with wxPostEvent() functions
-    // GRG: I have moved this here so that all pending events are processed
-    //   before starting to delete any objects. This behaves better (in
-    //   particular, wrt wxPostEvent) and is coherent with wxGTK's current
-    //   behaviour. Also removed the '#if wxUSE_THREADS' around it.
-    //  Changed Mar/2000 before 2.1.14
-
-    // Flush pending events.
-    ProcessPendingEvents();
-
-    // '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();
-
-    // Send OnIdle events to all windows
-    bool needMore = SendIdleEvents();
-
-    if (needMore)
-        event.RequestMore(TRUE);
-
-    inOnIdle = FALSE;
-}
-
-// Send idle event to all top-level windows
-bool wxApp::SendIdleEvents()
-{
-    bool needMore = FALSE;
-
-    wxWindowList::Node* node = wxTopLevelWindows.GetFirst();
-    while (node)
-    {
-        wxWindow* win = node->GetData();
-        if (SendIdleEvents(win))
-            needMore = TRUE;
-        node = node->GetNext();
-    }
-
-    return needMore;
-}
-
-// Send idle event to window and all subwindows
-bool wxApp::SendIdleEvents(wxWindow* win)
-{
-    bool needMore = FALSE;
-
-    wxIdleEvent event;
-    event.SetEventObject(win);
-    win->GetEventHandler()->ProcessEvent(event);
-
-    if (event.MoreRequested())
-        needMore = TRUE;
-
-    wxWindowList::Node* node = win->GetChildren().GetFirst();
-    while (node)
-    {
-        wxWindow* win = node->GetData();
-        if (SendIdleEvents(win))
-            needMore = TRUE;
-
-        node = node->GetNext();
-    }
-    return needMore ;
-}
-
-void wxApp::DeletePendingObjects()
-{
-    wxList::Node *node = wxPendingDelete.GetFirst();
-    while (node)
-    {
-        wxObject *obj = node->GetData();
-
-        delete obj;
-
-        if (wxPendingDelete.Member(obj))
-            delete node;
-
-        // Deleting one object may have deleted other pending
-        // objects, so start from beginning of list again.
-        node = wxPendingDelete.GetFirst();
-    }
-}
-

 static char *fallbackResources[] = {
 static char *fallbackResources[] = {

-    "*menuBar.marginHeight: 0",
-    "*menuBar.shadowThickness: 1",
-    "*background: #c0c0c0",
-    "*foreground: black",
+    // better defaults for CDE under Irix
+    //
+    // TODO: do something similar for the other systems, the hardcoded defaults
+    //       below are ugly
+#ifdef __SGI__
+    wxMOTIF_STR("*sgiMode: True"),
+    wxMOTIF_STR("*useSchemes: all"),
+#else // !__SGI__
+    wxMOTIF_STR("*menuBar.marginHeight: 0"),
+    wxMOTIF_STR("*menuBar.shadowThickness: 1"),
+    wxMOTIF_STR("*background: #c0c0c0"),
+    wxMOTIF_STR("*foreground: black"),
+#endif // __SGI__/!__SGI__

     NULL
 };
 
     NULL
 };
 


@@ -475,8 +208,9 @@ static char *fallbackResources[] = {
 bool wxApp::OnInitGui()
 {
     if( !wxAppBase::OnInitGui() )
 bool wxApp::OnInitGui()
 {
     if( !wxAppBase::OnInitGui() )

-        return FALSE;
+        return false;

 
 

+    XtSetLanguageProc(NULL, NULL, NULL);

     XtToolkitInitialize() ;
     wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext();
     XtAppSetFallbackResources((XtAppContext) wxTheApp->m_appContext, fallbackResources);
     XtToolkitInitialize() ;
     wxTheApp->m_appContext = (WXAppContext) XtCreateApplicationContext();
     XtAppSetFallbackResources((XtAppContext) wxTheApp->m_appContext, fallbackResources);


@@ -494,7 +228,7 @@ bool wxApp::OnInitGui()
          // if you don't log to stderr, nothing will be shown...
         delete wxLog::SetActiveTarget(new wxLogStderr);
         wxString className(wxTheApp->GetClassName());
          // if you don't log to stderr, nothing will be shown...
         delete wxLog::SetActiveTarget(new wxLogStderr);
         wxString className(wxTheApp->GetClassName());

-        wxLogError(_("wxWindows could not open display for '%s': exiting."),
+        wxLogError(_("wxWidgets could not open display for '%s': exiting."),

                    className.c_str());
         exit(-1);
     }
                    className.c_str());
         exit(-1);
     }


@@ -507,7 +241,7 @@ bool wxApp::OnInitGui()
 
     // Add general resize proc
     XtActionsRec rec;
 
     // Add general resize proc
     XtActionsRec rec;

-    rec.string = "resize";
+    rec.string = wxMOTIF_STR("resize");

     rec.proc = (XtActionProc)wxWidgetResizeProc;
     XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1);
 
     rec.proc = (XtActionProc)wxWidgetResizeProc;
     XtAppAddActions((XtAppContext) wxTheApp->m_appContext, &rec, 1);
 


@@ -515,7 +249,7 @@ bool wxApp::OnInitGui()
 
     wxAddIdleCallback();
 
 
     wxAddIdleCallback();
 

-    return TRUE;
+    return true;

 }
 
 WXColormap wxApp::GetMainColormap(WXDisplay* display)
 }
 
 WXColormap wxApp::GetMainColormap(WXDisplay* display)


@@ -534,17 +268,30 @@ WXColormap wxApp::GetMainColormap(WXDisplay* display)
     return (WXColormap) c;
 }
 
     return (WXColormap) c;
 }
 

-wxXVisualInfo* wxApp::GetVisualInfo( WXDisplay* display )
+static inline wxPerDisplayData& GetOrCreatePerDisplayData
+    ( wxPerDisplayDataMap& m, WXDisplay* display )

 {
 {

-    wxPerDisplayDataMap::iterator it = m_perDisplayData->find( display );
+    wxPerDisplayDataMap::iterator it = m.find( display );
+    if( it != m.end() && it->second != NULL )
+        return *(it->second);

 
 

-    if( it != m_perDisplayData->end() && it->second.m_visualInfo )
-        return it->second.m_visualInfo;
+    wxPerDisplayData* nData = new wxPerDisplayData();
+    m[display] = nData;
+
+    return *nData;
+}
+
+wxXVisualInfo* wxApp::GetVisualInfo( WXDisplay* display )
+{
+    wxPerDisplayData& data = GetOrCreatePerDisplayData( *m_perDisplayData,
+                                                        display );
+    if( data.m_visualInfo )
+        return data.m_visualInfo;

 
     wxXVisualInfo* vi = new wxXVisualInfo;
     wxFillXVisualInfo( vi, (Display*)display );
 
 
     wxXVisualInfo* vi = new wxXVisualInfo;
     wxFillXVisualInfo( vi, (Display*)display );
 

-    (*m_perDisplayData)[display].m_visualInfo = vi;
+    data.m_visualInfo = vi;

 
     return vi;
 }
 
     return vi;
 }


@@ -553,8 +300,12 @@ static void wxTLWidgetDestroyCallback(Widget w, XtPointer clientData,
                                       XtPointer ptr)
 {
     if( wxTheApp )
                                       XtPointer ptr)
 {
     if( wxTheApp )

+    {

         wxTheApp->SetTopLevelWidget( (WXDisplay*)XtDisplay(w),
                                      (WXWidget)NULL );
         wxTheApp->SetTopLevelWidget( (WXDisplay*)XtDisplay(w),
                                      (WXWidget)NULL );

+        wxTheApp->SetTopLevelRealizedWidget( (WXDisplay*)XtDisplay(w),
+                                             (WXWidget)NULL );
+    }

 }
 
 WXWidget wxCreateTopLevelWidget( WXDisplay* display )
 }
 
 WXWidget wxCreateTopLevelWidget( WXDisplay* display )


@@ -564,6 +315,9 @@ WXWidget wxCreateTopLevelWidget( WXDisplay* display )
                                    applicationShellWidgetClass,
                                    (Display*)display,
                                    NULL, 0 );
                                    applicationShellWidgetClass,
                                    (Display*)display,
                                    NULL, 0 );

+    XtVaSetValues( tlw,
+                   XmNoverrideRedirect, True,
+                   NULL );

 
     XtAddCallback( tlw, XmNdestroyCallback,
                    (XtCallbackProc)wxTLWidgetDestroyCallback,
 
     XtAddCallback( tlw, XmNdestroyCallback,
                    (XtCallbackProc)wxTLWidgetDestroyCallback,


@@ -572,13 +326,24 @@ WXWidget wxCreateTopLevelWidget( WXDisplay* display )
     return (WXWidget)tlw;
 }
 
     return (WXWidget)tlw;
 }
 

+WXWidget wxCreateTopLevelRealizedWidget( WXDisplay* display )
+{
+    Widget rTlw = XtVaCreateWidget( "dummy_widget", topLevelShellWidgetClass,
+                                    (Widget)wxTheApp->GetTopLevelWidget(),
+                                     NULL, 0 );
+    XtSetMappedWhenManaged( rTlw, False );
+    XtRealizeWidget( rTlw );
+
+    return (WXWidget)rTlw;
+}
+

 WXWidget wxApp::GetTopLevelWidget()
 {
     WXDisplay* display = wxGetDisplay();
 WXWidget wxApp::GetTopLevelWidget()
 {
     WXDisplay* display = wxGetDisplay();

-    wxPerDisplayDataMap::iterator it = m_perDisplayData->find( display );
-
-    if( it != m_perDisplayData->end() && it->second.m_topLevelWidget )
-        return (WXWidget)it->second.m_topLevelWidget;
+    wxPerDisplayData& data = GetOrCreatePerDisplayData( *m_perDisplayData,
+                                                        display );
+    if( data.m_topLevelWidget )
+        return (WXWidget)data.m_topLevelWidget;

 
     WXWidget tlw = wxCreateTopLevelWidget( display );
     SetTopLevelWidget( display, tlw );
 
     WXWidget tlw = wxCreateTopLevelWidget( display );
     SetTopLevelWidget( display, tlw );


@@ -586,31 +351,37 @@ WXWidget wxApp::GetTopLevelWidget()
     return tlw;
 }
 
     return tlw;
 }
 

-void wxApp::SetTopLevelWidget(WXDisplay* display, WXWidget widget)
+WXWidget wxApp::GetTopLevelRealizedWidget()

 {
 {

-    (*m_perDisplayData)[display].m_topLevelWidget = (Widget)widget;
+    WXDisplay* display = wxGetDisplay();
+    wxPerDisplayDataMap::iterator it = m_perDisplayData->find( display );
+
+    if( it != m_perDisplayData->end() && it->second->m_topLevelRealizedWidget )
+        return (WXWidget)it->second->m_topLevelRealizedWidget;
+
+    WXWidget rTlw = wxCreateTopLevelRealizedWidget( display );
+    SetTopLevelRealizedWidget( display, rTlw );
+
+    return rTlw;

 }
 
 }
 

-void wxExit()
+void wxApp::SetTopLevelWidget(WXDisplay* display, WXWidget widget)

 {
 {

-    int retValue = 0;
-    if (wxTheApp)
-        retValue = wxTheApp->OnExit();
+    GetOrCreatePerDisplayData( *m_perDisplayData, display )
+        .m_topLevelWidget = (Widget)widget;
+}

 
 

-    wxApp::CleanUp();
-    /*
-    * Exit in some platform-specific way.
-    * Not recommended that the app calls this:
-    * only for emergencies.
-    */
-    exit(retValue);
+void wxApp::SetTopLevelRealizedWidget(WXDisplay* display, WXWidget widget)
+{
+    GetOrCreatePerDisplayData( *m_perDisplayData, display )
+        .m_topLevelRealizedWidget = (Widget)widget;

 }
 
 // Yield to other processes
 
 bool wxApp::Yield(bool onlyIfNeeded)
 {
 }
 
 // Yield to other processes
 
 bool wxApp::Yield(bool onlyIfNeeded)
 {

-    bool s_inYield = FALSE;
+    static bool s_inYield = false;

 
     if ( s_inYield )
     {
 
     if ( s_inYield )
     {


@@ -619,17 +390,17 @@ bool wxApp::Yield(bool onlyIfNeeded)
             wxFAIL_MSG( wxT("wxYield called recursively" ) );
         }
 
             wxFAIL_MSG( wxT("wxYield called recursively" ) );
         }
 

-        return FALSE;
+        return false;

     }
 
     }
 

-    s_inYield = TRUE;
+    s_inYield = true;

 
     while (wxTheApp && wxTheApp->Pending())
         wxTheApp->Dispatch();
 
 
     while (wxTheApp && wxTheApp->Pending())
         wxTheApp->Dispatch();
 

-    s_inYield = FALSE;
+    s_inYield = false;

 
 

-    return TRUE;
+    return true;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------