X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5f0b2f22d3cc98b9a9ba31908f7170b3590295eb..65334b43feca0ed670f67de59266b575b2b86684:/src/mac/carbon/toplevel.cpp

diff --git a/src/mac/carbon/toplevel.cpp b/src/mac/carbon/toplevel.cpp
index 32c34193ab..d79e546eb8 100644
--- a/src/mac/carbon/toplevel.cpp
+++ b/src/mac/carbon/toplevel.cpp
@@ -6,7 +6,7 @@
 // Created:     24.09.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
-// License:     wxWindows license
+// License:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -31,25 +31,399 @@
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/toplevel.h"
+    #include "wx/frame.h"
     #include "wx/string.h"
     #include "wx/log.h"
     #include "wx/intl.h"
 #endif //WX_PRECOMP
 
 #include "wx/mac/uma.h"
+#include "wx/mac/aga.h"
+#include "wx/app.h"
 #include "wx/tooltip.h"
+#include "wx/dnd.h"
+
+#include "ToolUtils.h"
+
+
+#define wxMAC_DEBUG_REDRAW 0
+#ifndef wxMAC_DEBUG_REDRAW
+#define wxMAC_DEBUG_REDRAW 0
+#endif
 
 // ----------------------------------------------------------------------------
 // globals
 // ----------------------------------------------------------------------------
 
 // list of all frames and modeless dialogs
-wxWindowList wxModelessWindows;
+wxWindowList       wxModelessWindows;
+
+// double click testing
+static   Point     gs_lastWhere;
+static   long      gs_lastWhen = 0;
+
+
+#if TARGET_CARBON
+static pascal long wxShapedMacWindowDef(short varCode, WindowRef window, SInt16 message, SInt32 param);
+#endif
 
 // ============================================================================
 // wxTopLevelWindowMac implementation
 // ============================================================================
 
+// ---------------------------------------------------------------------------
+// Carbon Events
+// ---------------------------------------------------------------------------
+
+#if TARGET_CARBON
+
+extern long wxMacTranslateKey(unsigned char key, unsigned char code) ;
+
+static const EventTypeSpec eventList[] =
+{
+    { kEventClassTextInput, kEventTextInputUnicodeForKeyEvent } ,
+
+    { kEventClassKeyboard, kEventRawKeyDown } ,
+    { kEventClassKeyboard, kEventRawKeyRepeat } ,
+    { kEventClassKeyboard, kEventRawKeyUp } ,
+    { kEventClassKeyboard, kEventRawKeyModifiersChanged } ,
+
+    { kEventClassWindow , kEventWindowUpdate } ,
+    { kEventClassWindow , kEventWindowActivated } ,
+    { kEventClassWindow , kEventWindowDeactivated } ,
+    { kEventClassWindow , kEventWindowBoundsChanging } ,
+    { kEventClassWindow , kEventWindowBoundsChanged } ,
+    { kEventClassWindow , kEventWindowClose } ,
+
+    { kEventClassMouse , kEventMouseDown } ,
+    { kEventClassMouse , kEventMouseUp } ,
+    { kEventClassMouse , kEventMouseMoved } ,
+    { kEventClassMouse , kEventMouseDragged } ,
+
+} ;
+
+static pascal OSStatus TextInputEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
+{
+    OSStatus result = eventNotHandledErr ;
+
+    wxWindow* focus = wxWindow::FindFocus() ;
+    char charCode ;
+    UInt32 keyCode ;
+    UInt32 modifiers ;
+    Point point ;
+
+    EventRef rawEvent ;
+
+    GetEventParameter( event , kEventParamTextInputSendKeyboardEvent ,typeEventRef,NULL,sizeof(rawEvent),NULL,&rawEvent ) ;
+
+    GetEventParameter( rawEvent, kEventParamKeyMacCharCodes, typeChar, NULL,sizeof(char), NULL,&charCode );
+    GetEventParameter( rawEvent, kEventParamKeyCode, typeUInt32, NULL,  sizeof(UInt32), NULL, &keyCode );
+       GetEventParameter( rawEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifiers);
+    GetEventParameter( rawEvent, kEventParamMouseLocation, typeQDPoint, NULL,
+        sizeof( Point ), NULL, &point );
+
+    switch ( GetEventKind( event ) )
+    {
+        case kEventTextInputUnicodeForKeyEvent :
+            // this is only called when no default handler has jumped in, eg a wxControl on a floater window does not
+            // get its own kEventTextInputUnicodeForKeyEvent, so we route back the 
+            wxControl* control = wxDynamicCast( focus , wxControl ) ;
+            if ( control )
+            {
+                ControlHandle macControl = (ControlHandle) control->GetMacControl() ;
+                if ( macControl )
+                {
+                    ::HandleControlKey( macControl , keyCode , charCode , modifiers ) ;
+                    result = noErr ;
+                }
+            }
+            /*
+            // this may lead to double events sent to a window in case all handlers have skipped the key down event
+            UInt32 when = EventTimeToTicks( GetEventTime( event ) ) ;
+            UInt32 message = (keyCode << 8) + charCode;
+
+            if ( (focus != NULL) && wxTheApp->MacSendKeyDownEvent(
+                focus , message , modifiers , when , point.h , point.v ) )
+            {
+                result = noErr ;
+            }
+            */
+            break ;
+    }
+
+    return result ;
+}
+
+static pascal OSStatus KeyboardEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
+{
+    OSStatus result = eventNotHandledErr ;
+
+    wxWindow* focus = wxWindow::FindFocus() ;
+    char charCode ;
+    UInt32 keyCode ;
+    UInt32 modifiers ;
+    Point point ;
+    UInt32 when = EventTimeToTicks( GetEventTime( event ) ) ;
+
+    GetEventParameter( event, kEventParamKeyMacCharCodes, typeChar, NULL,sizeof(char), NULL,&charCode );
+    GetEventParameter( event, kEventParamKeyCode, typeUInt32, NULL,  sizeof(UInt32), NULL, &keyCode );
+       GetEventParameter(event, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(UInt32), NULL, &modifiers);
+    GetEventParameter( event, kEventParamMouseLocation, typeQDPoint, NULL,
+        sizeof( Point ), NULL, &point );
+
+    UInt32 message = (keyCode << 8) + charCode;
+    switch( GetEventKind( event ) )
+    {
+        case kEventRawKeyRepeat :
+        case kEventRawKeyDown :
+            if ( (focus != NULL) && wxTheApp->MacSendKeyDownEvent(
+                focus , message , modifiers , when , point.h , point.v ) )
+            {
+                result = noErr ;
+            }
+            break ;
+        case kEventRawKeyUp :
+            if ( (focus != NULL) && wxTheApp->MacSendKeyUpEvent(
+                focus , message , modifiers , when , point.h , point.v ) )
+            {
+                result = noErr ;
+            }
+            break ;
+        case kEventRawKeyModifiersChanged :
+            {
+                wxKeyEvent event(wxEVT_KEY_DOWN);
+
+                event.m_shiftDown = modifiers & shiftKey;
+                event.m_controlDown = modifiers & controlKey;
+                event.m_altDown = modifiers & optionKey;
+                event.m_metaDown = modifiers & cmdKey;
+
+                event.m_x = point.h;
+                event.m_y = point.v;
+                event.m_timeStamp = when;
+                wxWindow* focus = wxWindow::FindFocus() ;
+                event.SetEventObject(focus);
+
+                if ( focus && (modifiers ^ wxTheApp->s_lastModifiers ) & controlKey )
+                {
+                    event.m_keyCode = WXK_CONTROL ;
+                    event.SetEventType( ( modifiers & controlKey ) ? wxEVT_KEY_DOWN : wxEVT_KEY_UP ) ;
+                    focus->GetEventHandler()->ProcessEvent( event ) ;
+                }
+                if ( focus && (modifiers ^ wxTheApp->s_lastModifiers ) & shiftKey )
+                {
+                    event.m_keyCode = WXK_SHIFT ;
+                    event.SetEventType( ( modifiers & shiftKey ) ? wxEVT_KEY_DOWN : wxEVT_KEY_UP ) ;
+                    focus->GetEventHandler()->ProcessEvent( event ) ;
+                }
+                if ( focus && (modifiers ^ wxTheApp->s_lastModifiers ) & optionKey )
+                {
+                    event.m_keyCode = WXK_ALT ;
+                    event.SetEventType( ( modifiers & optionKey ) ? wxEVT_KEY_DOWN : wxEVT_KEY_UP ) ;
+                    focus->GetEventHandler()->ProcessEvent( event ) ;
+                }
+                wxTheApp->s_lastModifiers = modifiers ;
+            }
+             break ;
+    }
+
+    return result ;
+}
+
+static pascal OSStatus MouseEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
+{
+    OSStatus result = eventNotHandledErr ;
+
+    wxTopLevelWindowMac* toplevelWindow = (wxTopLevelWindowMac*) data ;
+    Point point ;
+    UInt32 modifiers = 0;
+    EventMouseButton button = 0 ;
+    UInt32 click = 0 ;
+
+    GetEventParameter( event, kEventParamMouseLocation, typeQDPoint, NULL,
+        sizeof( Point ), NULL, &point );
+    GetEventParameter( event, kEventParamKeyModifiers, typeUInt32, NULL,
+        sizeof( UInt32 ), NULL, &modifiers );
+    GetEventParameter( event, kEventParamMouseButton, typeMouseButton, NULL,
+        sizeof( EventMouseButton ), NULL, &button );
+    GetEventParameter( event, kEventParamClickCount, typeUInt32, NULL,
+        sizeof( UInt32 ), NULL, &click );
+
+    if ( button == 0 || GetEventKind( event ) == kEventMouseUp )
+        modifiers += btnState ;
+
+    WindowRef window ;
+    short windowPart = ::FindWindow(point, &window);
+
+    if ( IsWindowActive(window) && windowPart == inContent )
+    {
+        switch ( GetEventKind( event ) )
+        {
+            case kEventMouseDown :
+                toplevelWindow->MacFireMouseEvent( mouseDown , point.h , point.v , modifiers , EventTimeToTicks( GetEventTime( event ) ) ) ;
+                result = noErr ;
+                break ;
+            case kEventMouseUp :
+                toplevelWindow->MacFireMouseEvent( mouseUp , point.h , point.v , modifiers , EventTimeToTicks( GetEventTime( event ) ) ) ;
+                result = noErr ;
+                break ;
+            case kEventMouseMoved :
+                toplevelWindow->MacFireMouseEvent( nullEvent , point.h , point.v , modifiers , EventTimeToTicks( GetEventTime( event ) ) ) ;
+                result = noErr ;
+                break ;
+            case kEventMouseDragged :
+                toplevelWindow->MacFireMouseEvent( nullEvent , point.h , point.v , modifiers , EventTimeToTicks( GetEventTime( event ) ) ) ;
+                result = noErr ;
+                break ;
+            default :
+                break ;
+        }
+    }
+
+    return result ;
+
+
+}
+static pascal OSStatus WindowEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
+{
+    OSStatus result = eventNotHandledErr ;
+    OSStatus err = noErr ;
+
+    UInt32        attributes;
+    WindowRef windowRef ;
+    wxTopLevelWindowMac* toplevelWindow = (wxTopLevelWindowMac*) data ;
+
+    GetEventParameter( event, kEventParamDirectObject, typeWindowRef, NULL,
+        sizeof( WindowRef ), NULL, &windowRef );
+
+    switch( GetEventKind( event ) )
+    {
+        case kEventWindowUpdate :
+            if ( !wxPendingDelete.Member(toplevelWindow) )
+                toplevelWindow->MacUpdate( EventTimeToTicks( GetEventTime( event ) ) ) ;
+            result = noErr ;
+            break ;
+        case kEventWindowActivated :
+                toplevelWindow->MacActivate( EventTimeToTicks( GetEventTime( event ) ) , true) ;
+            result = noErr ;
+            break ;
+        case kEventWindowDeactivated :
+                toplevelWindow->MacActivate( EventTimeToTicks( GetEventTime( event ) ) , false) ;
+            result = noErr ;
+            break ;
+        case kEventWindowClose :
+                toplevelWindow->Close() ;
+            result = noErr ;
+            break ;
+        case kEventWindowBoundsChanged :
+            err = GetEventParameter( event, kEventParamAttributes, typeUInt32,
+                        NULL, sizeof( UInt32 ), NULL, &attributes );
+            if ( err == noErr )
+            {
+                Rect newContentRect ;
+
+                GetEventParameter( event, kEventParamCurrentBounds, typeQDRectangle, NULL,
+                    sizeof( newContentRect ), NULL, &newContentRect );
+
+                toplevelWindow->SetSize( newContentRect.left , newContentRect.top ,
+                    newContentRect.right - newContentRect.left ,
+                    newContentRect.bottom - newContentRect.top, wxSIZE_USE_EXISTING);
+
+                result = noErr;
+            }
+            break ;
+        default :
+            break ;
+    }
+    return result ;
+}
+
+pascal OSStatus wxMacWindowEventHandler( EventHandlerCallRef handler , EventRef event , void *data )
+{
+    OSStatus result = eventNotHandledErr ;
+
+    switch ( GetEventClass( event ) )
+    {
+        case kEventClassKeyboard :
+            result = KeyboardEventHandler( handler, event , data ) ;
+            break ;
+        case kEventClassTextInput :
+            result = TextInputEventHandler( handler, event , data ) ;
+            break ;
+        case kEventClassWindow :
+            result = WindowEventHandler( handler, event , data ) ;
+            break ;
+        case kEventClassMouse :
+            result = MouseEventHandler( handler, event , data ) ;
+            break ;
+        default :
+            break ;
+    }
+    return result ;
+}
+
+DEFINE_ONE_SHOT_HANDLER_GETTER( wxMacWindowEventHandler )
+
+// Patch 531199 defined a window event handler, as follows.
+// TODO: merge the moving/sizing event handling with the event
+// handler above.
+#if 0
+static pascal OSStatus
+WindowHandler( EventHandlerCallRef inHandler, EventRef inEvent, void* userData )
+{
+    Rect		bounds;
+    SInt16		height, width;
+    UInt32		attributes;
+    OSStatus	result = eventNotHandledErr;
+    
+    GetEventParameter( inEvent, kEventParamAttributes, typeUInt32, NULL, sizeof( UInt32 ), NULL, &attributes );
+    
+    if ((attributes & (kWindowBoundsChangeSizeChanged | kWindowBoundsChangeOriginChanged)) != 0)
+    {
+        // Extract the current bounds. This is the paramter you get to modify to
+        // alter the window position or size during a window resizing.
+        GetEventParameter( inEvent, kEventParamCurrentBounds, typeQDRectangle, NULL, sizeof( bounds ), NULL, &bounds );
+        
+        wxRect rect;
+        rect.SetLeft(bounds.left);
+        rect.SetTop(bounds.top);
+        rect.SetRight(bounds.right);
+        rect.SetBottom(bounds.bottom);
+        
+        bool rc;
+        wxWindowMac *pWindow = (wxWindowMac*)userData;
+        if ((attributes & kWindowBoundsChangeSizeChanged) != 0) {
+            wxSizeEvent event(rect, pWindow->GetId());
+            event.SetEventObject(pWindow);
+            rc = pWindow->GetEventHandler()->ProcessEvent(event);
+            rect = event.GetRect();
+        }
+        else {
+            wxMoveEvent event(rect, pWindow->GetId());
+            event.SetEventObject(pWindow);
+            rc = pWindow->GetEventHandler()->ProcessEvent(event);
+            rect = event.GetRect();
+        }
+        
+        if (rc) {
+            bounds.left = rect.GetLeft();
+            bounds.top = rect.GetTop();
+            bounds.right = rect.GetRight();
+            bounds.bottom = rect.GetBottom();
+        }
+        
+        // Set the current bounds parameter to our adjusted bounds. Return
+        // noErr to indicate we handled this event.
+        SetEventParameter( inEvent, kEventParamCurrentBounds, typeQDRectangle, sizeof( bounds ), &bounds );
+        result = noErr;
+    }
+    return result;
+}
+#endif
+    // WindowHandler
+
+#endif
+
 // ---------------------------------------------------------------------------
 // wxWindowMac utility functions
 // ---------------------------------------------------------------------------
@@ -57,19 +431,19 @@ wxWindowList wxModelessWindows;
 // Find an item given the Macintosh Window Reference
 
 wxList *wxWinMacWindowList = NULL;
-wxTopLevelWindowMac *wxFindWinFromMacWindow(WindowRef inWindowRef)
+wxTopLevelWindowMac *wxFindWinFromMacWindow(WXWindow inWindowRef)
 {
     wxNode *node = wxWinMacWindowList->Find((long)inWindowRef);
     if (!node)
         return NULL;
-    return (wxTopLevelWindowMac *)node->Data();
+    return (wxTopLevelWindowMac *)node->GetData();
 }
 
-void wxAssociateWinWithMacWindow(WindowRef inWindowRef, wxTopLevelWindowMac *win)
+void wxAssociateWinWithMacWindow(WXWindow inWindowRef, wxTopLevelWindowMac *win)
 {
     // adding NULL WindowRef is (first) surely a result of an error and
     // (secondly) breaks menu command processing
-    wxCHECK_RET( inWindowRef != (WindowRef) NULL, "attempt to add a NULL WindowRef to window list" );
+    wxCHECK_RET( inWindowRef != (WindowRef) NULL, wxT("attempt to add a NULL WindowRef to window list") );
 
     if ( !wxWinMacWindowList->Find((long)inWindowRef) )
         wxWinMacWindowList->Append((long)inWindowRef, win);
@@ -85,7 +459,7 @@ void wxRemoveMacWindowAssociation(wxTopLevelWindowMac *win)
 // wxTopLevelWindowMac creation
 // ----------------------------------------------------------------------------
 
-WindowRef wxTopLevelWindowMac::s_macWindowInUpdate = NULL;
+WXHWND wxTopLevelWindowMac::s_macWindowInUpdate = NULL;
 
 void wxTopLevelWindowMac::Init()
 {
@@ -93,8 +467,27 @@ void wxTopLevelWindowMac::Init()
     m_maximizeOnShow = FALSE;
     m_macNoEraseUpdateRgn = NewRgn() ;
     m_macNeedsErasing = false ;
+    m_macWindow = NULL ;
+#if TARGET_CARBON
+    m_macEventHandler = NULL ;
+ #endif
 }
 
+class wxMacDeferredWindowDeleter : public wxObject
+{
+public :
+    wxMacDeferredWindowDeleter( WindowRef windowRef )
+    {
+        m_macWindow = windowRef ;
+    }
+    virtual ~wxMacDeferredWindowDeleter()
+    {
+        UMADisposeWindow( (WindowRef) m_macWindow ) ;
+    }
+ protected :
+    WindowRef m_macWindow ;
+} ;
+
 bool wxTopLevelWindowMac::Create(wxWindow *parent,
                                  wxWindowID id,
                                  const wxString& title,
@@ -122,27 +515,26 @@ bool wxTopLevelWindowMac::Create(wxWindow *parent,
 
 wxTopLevelWindowMac::~wxTopLevelWindowMac()
 {
-    wxToolTip::NotifyWindowDelete(m_macWindow) ;
-    UMADisposeWindow( m_macWindow ) ;
+    if ( m_macWindow )
+    {
+        wxToolTip::NotifyWindowDelete(m_macWindow) ;
+        wxPendingDelete.Append( new wxMacDeferredWindowDeleter( (WindowRef) m_macWindow ) ) ;
+    }
 
-    wxRemoveMacWindowAssociation( this ) ;
+#if TARGET_CARBON
+    if ( m_macEventHandler )
+    {
+        ::RemoveEventHandler((EventHandlerRef) m_macEventHandler);
+        m_macEventHandler = NULL ;
+    }
+#endif
 
-    wxTopLevelWindows.DeleteObject(this);
+    wxRemoveMacWindowAssociation( this ) ;
 
     if ( wxModelessWindows.Find(this) )
         wxModelessWindows.DeleteObject(this);
 
-    // If this is the last top-level window, exit.
-    if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
-    {
-        wxTheApp->SetTopWindow(NULL);
-
-        if ( wxTheApp->GetExitOnFrameDelete() )
-        {
-          wxTheApp->ExitMainLoop() ;        
-        }
-    }
-    DisposeRgn( m_macNoEraseUpdateRgn ) ;
+    DisposeRgn( (RgnHandle) m_macNoEraseUpdateRgn ) ;
 }
 
 
@@ -157,7 +549,7 @@ void wxTopLevelWindowMac::Maximize(bool maximize)
 
 bool wxTopLevelWindowMac::IsMaximized() const
 {
-    return false ; 
+    return false ;
 }
 
 void wxTopLevelWindowMac::Iconize(bool iconize)
@@ -167,7 +559,7 @@ void wxTopLevelWindowMac::Iconize(bool iconize)
 
 bool wxTopLevelWindowMac::IsIconized() const
 {
-	// mac dialogs cannot be iconized
+    // mac dialogs cannot be iconized
     return FALSE;
 }
 
@@ -190,28 +582,28 @@ void  wxTopLevelWindowMac::MacCreateRealWindow( const wxString& title,
            const wxPoint& pos,
            const wxSize& size,
            long style,
-           const wxString& name ) 
+           const wxString& name )
 {
-  SetName(name);
-  m_windowStyle = style;
-  m_isShown = FALSE;
+    SetName(name);
+    m_windowStyle = style;
+    m_isShown = FALSE;
 
-  // create frame.
+    // create frame.
 
     Rect theBoundsRect;
 
-  m_x = (int)pos.x;
-  m_y = (int)pos.y;
-  if ( m_y < 50 )
-    m_y = 50 ;
-  if ( m_x < 20 )
-    m_x = 20 ;
-    
-  m_width = size.x;
-    if (m_width == -1) 
+    m_x = (int)pos.x;
+    m_y = (int)pos.y;
+    if ( m_y < 50 )
+        m_y = 50 ;
+    if ( m_x < 20 )
+        m_x = 20 ;
+
+    m_width = size.x;
+    if (m_width == -1)
         m_width = 20;
-  m_height = size.y;
-    if (m_height == -1) 
+    m_height = size.y;
+    if (m_height == -1)
         m_height = 20;
 
     ::SetRect(&theBoundsRect, m_x, m_y , m_x + m_width, m_y + m_height);
@@ -220,31 +612,51 @@ void  wxTopLevelWindowMac::MacCreateRealWindow( const wxString& title,
 
     WindowClass wclass = 0;
     WindowAttributes attr = kWindowNoAttributes ;
-    
-    if ( HasFlag(wxTINY_CAPTION_HORIZ) ||  HasFlag(wxTINY_CAPTION_VERT) )
+
+    if ( HasFlag( wxFRAME_TOOL_WINDOW) )
     {
-        wclass = kFloatingWindowClass ;
-        if ( HasFlag(wxTINY_CAPTION_VERT) )
+        if (
+            HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) ||
+            HasFlag( wxSYSTEM_MENU ) || HasFlag( wxCAPTION ) ||
+            HasFlag(wxTINY_CAPTION_HORIZ) ||  HasFlag(wxTINY_CAPTION_VERT)
+            )
+        {
+            wclass = kFloatingWindowClass ;
+            if ( HasFlag(wxTINY_CAPTION_VERT) )
+            {
+                attr |= kWindowSideTitlebarAttribute ;
+            }
+        }
+        else
         {
-            attr |= kWindowSideTitlebarAttribute ;
+#if TARGET_CARBON
+            wclass = kPlainWindowClass ;
+#else
+            wclass = kFloatingWindowClass ;
+#endif
         }
     }
     else if ( HasFlag( wxCAPTION ) )
     {
-        if ( HasFlag( wxDIALOG_MODAL ) )
+        wclass = kDocumentWindowClass ;
+    }
+    else
+    {
+        if ( HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) ||
+            HasFlag( wxSYSTEM_MENU ) )
         {
-            wclass = kMovableModalWindowClass ;
+            wclass = kDocumentWindowClass ;
         }
-        else 
+        else
         {
-            wclass = kDocumentWindowClass ;
+#if TARGET_CARBON
+            wclass = kPlainWindowClass ;
+#else
+            wclass = kModalWindowClass ;
+#endif
         }
     }
-    else
-    {
-        wclass = kModalWindowClass ;
-    }
-    
+
     if ( HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) )
     {
         attr |= kWindowFullZoomAttribute ;
@@ -258,56 +670,81 @@ void  wxTopLevelWindowMac::MacCreateRealWindow( const wxString& title,
     {
         attr |= kWindowCloseBoxAttribute ;
     }
-    
-    ::CreateNewWindow( wclass , attr , &theBoundsRect , &m_macWindow ) ;
-    wxAssociateWinWithMacWindow( m_macWindow , this ) ;
-    wxString label ;
-    if( wxApp::s_macDefaultEncodingIsPC )
-        label = wxMacMakeMacStringFromPC( title ) ;
+
+#if TARGET_CARBON
+#if 0 //  having problems right now with that
+    if (HasFlag(wxSTAY_ON_TOP))
+    	wclass = kUtilityWindowClass;
+#endif
+#endif
+
+#if TARGET_CARBON
+    if ( HasFlag(wxFRAME_SHAPED) )
+    {
+        WindowDefSpec customWindowDefSpec;
+        customWindowDefSpec.defType = kWindowDefProcPtr;
+        customWindowDefSpec.u.defProc = NewWindowDefUPP(wxShapedMacWindowDef);
+
+        ::CreateCustomWindow( &customWindowDefSpec, wclass,
+                              attr, &theBoundsRect,
+                              (WindowRef*) &m_macWindow);
+    }
     else
-        label = title ;
-    UMASetWTitleC( m_macWindow , label ) ;
-    ::CreateRootControl( m_macWindow , &m_macRootControl ) ;
+#endif
+    {
+        ::CreateNewWindow( wclass , attr , &theBoundsRect , (WindowRef*)&m_macWindow ) ;
+    }
 
+    wxAssociateWinWithMacWindow( m_macWindow , this ) ;
+    UMASetWTitle( (WindowRef)m_macWindow , title ) ;
+    ::CreateRootControl( (WindowRef)m_macWindow , (ControlHandle*)&m_macRootControl ) ;
+#if TARGET_CARBON
+    InstallStandardEventHandler( GetWindowEventTarget(MAC_WXHWND(m_macWindow)) ) ;
+    InstallWindowEventHandler(MAC_WXHWND(m_macWindow), GetwxMacWindowEventHandlerUPP(),
+        GetEventTypeCount(eventList), eventList, this, &((EventHandlerRef)m_macEventHandler));
+
+    // Patch 531199 also defined a window event handler, as follows:
+#if 0
+    // install a window event handler to send wxEVT_MOVING and wxEVT_SIZING events
+    EventTypeSpec events[] = { { kEventClassWindow, kEventWindowBoundsChanging } };
+    EventHandlerUPP	handlerProc = NewEventHandlerUPP( WindowHandler );
+    EventHandlerRef eventHandlerRef;
+    InstallWindowEventHandler( m_macWindowData->m_macWindow, handlerProc, GetEventTypeCount(events),
+        events, (void*)this, &eventHandlerRef);
+#endif
+
+#endif
     m_macFocus = NULL ;
-}
 
-void wxTopLevelWindowMac::MacDoGetPortClientParams(Point* localOrigin, Rect* clipRect, WindowRef *window , wxWindowMac** rootwin ) 
-{
-    localOrigin->h = 0;
-    localOrigin->v = 0;
-    clipRect->left = 0;
-    clipRect->top = 0;
-    clipRect->right = m_width ;//width;
-    clipRect->bottom = m_height ;// height;
-    *window = m_macWindow ;
-    *rootwin = this ;
+
+#if TARGET_CARBON
+    if ( HasFlag(wxFRAME_SHAPED) )
+    {
+        // default shape matches the window size
+        wxRegion rgn(0, 0, m_width, m_height);
+        SetShape(rgn);
+    }
+#endif
 }
 
-void wxTopLevelWindowMac::MacGetPortParams(Point* localOrigin, Rect* clipRect, WindowRef *window  , wxWindowMac** rootwin) 
+void wxTopLevelWindowMac::MacGetPortParams(WXPOINTPTR localOrigin, WXRECTPTR clipRect, WXHWND *window  , wxWindowMac** rootwin)
 {
-    localOrigin->h = 0;
-    localOrigin->v = 0;
-    clipRect->left = 0;
-    clipRect->top = 0;
-    clipRect->right = m_width;
-    clipRect->bottom = m_height;
+    ((Point*)localOrigin)->h = 0;
+    ((Point*)localOrigin)->v = 0;
+    ((Rect*)clipRect)->left = 0;
+    ((Rect*)clipRect)->top = 0;
+    ((Rect*)clipRect)->right = m_width;
+    ((Rect*)clipRect)->bottom = m_height;
     *window = m_macWindow ;
     *rootwin = this ;
 }
 
 void wxTopLevelWindowMac::Clear()
 {
-    wxMacDrawingClientHelper helper ( this ) ;
-    int w ,h ;
-    wxPoint origin = GetClientAreaOrigin() ;
-    GetClientSize( &w , &h ) ;
-    ::SetThemeWindowBackground( m_macWindow , m_macWindowBackgroundTheme , false ) ;
-    Rect r = { origin.y , origin.x, origin.y+h , origin.x+w } ;
-    EraseRect( &r ) ;
+    wxWindow::Clear() ;
 }
 
-ControlHandle wxTopLevelWindowMac::MacGetContainerForEmbedding() 
+WXWidget wxTopLevelWindowMac::MacGetContainerForEmbedding()
 {
     return m_macRootControl ;
 }
@@ -315,20 +752,35 @@ ControlHandle wxTopLevelWindowMac::MacGetContainerForEmbedding()
 
 void wxTopLevelWindowMac::MacUpdate( long timestamp)
 {
-    #if TARGET_CARBON
-    AGAPortHelper help( GetWindowPort(m_macWindow) ) ;
-    #else
-    AGAPortHelper help( (m_macWindow) ) ;
-    #endif
-    SetOrigin( 0 , 0 ) ;
-    BeginUpdate( m_macWindow ) ;
+    wxMacPortStateHelper help( (GrafPtr) GetWindowPort( (WindowRef) m_macWindow) ) ;
 
-    RgnHandle       updateRgn = NewRgn();    
+    RgnHandle       visRgn = NewRgn() ;
+    GetPortVisibleRegion( GetWindowPort( (WindowRef)m_macWindow ), visRgn );
+    BeginUpdate( (WindowRef)m_macWindow ) ;
+
+    RgnHandle       updateRgn = NewRgn();
     RgnHandle       diffRgn = NewRgn() ;
+
     if ( updateRgn && diffRgn )
     {
-        GetPortVisibleRegion( GetWindowPort( m_macWindow ), updateRgn );
-        DiffRgn( updateRgn , m_macNoEraseUpdateRgn , diffRgn ) ;
+#if 1
+        // macos internal control redraws clean up areas we'd like to redraw ourselves
+        // therefore we pick the boundary rect and make sure we can redraw it
+        // this has to be intersected by the visRgn in order to avoid drawing over its own
+        // boundaries
+        RgnHandle trueUpdateRgn = NewRgn() ;
+        Rect trueUpdateRgnBoundary ;
+        GetPortVisibleRegion( GetWindowPort( (WindowRef)m_macWindow ), trueUpdateRgn );
+        GetRegionBounds( trueUpdateRgn , &trueUpdateRgnBoundary ) ;
+        RectRgn( updateRgn , &trueUpdateRgnBoundary ) ;
+        SectRgn( updateRgn , visRgn , updateRgn ) ;
+        if ( trueUpdateRgn )
+            DisposeRgn( trueUpdateRgn ) ;
+        SetPortVisibleRegion(  GetWindowPort( (WindowRef)m_macWindow ), updateRgn ) ;
+#else
+        GetPortVisibleRegion( GetWindowPort( (WindowRef)m_macWindow ), updateRgn );
+#endif
+        DiffRgn( updateRgn , (RgnHandle) m_macNoEraseUpdateRgn , diffRgn ) ;
         if ( !EmptyRgn( updateRgn ) )
         {
             MacRedraw( updateRgn , timestamp , m_macNeedsErasing || !EmptyRgn( diffRgn )  ) ;
@@ -338,8 +790,11 @@ void wxTopLevelWindowMac::MacUpdate( long timestamp)
         DisposeRgn( updateRgn );
     if ( diffRgn )
         DisposeRgn( diffRgn );
-    EndUpdate( m_macWindow ) ;
-    SetEmptyRgn( m_macNoEraseUpdateRgn ) ;
+    if ( visRgn )
+        DisposeRgn( visRgn ) ;
+        
+    EndUpdate( (WindowRef)m_macWindow ) ;
+    SetEmptyRgn( (RgnHandle) m_macNoEraseUpdateRgn ) ;
     m_macNeedsErasing = false ;
 }
 
@@ -347,38 +802,35 @@ void wxTopLevelWindowMac::MacUpdate( long timestamp)
 // Raise the window to the top of the Z order
 void wxTopLevelWindowMac::Raise()
 {
-    ::BringToFront( m_macWindow ) ;
+    ::SelectWindow( (WindowRef)m_macWindow ) ;
 }
 
 // Lower the window to the bottom of the Z order
 void wxTopLevelWindowMac::Lower()
 {
-    ::SendBehind( m_macWindow , NULL ) ;
+    ::SendBehind( (WindowRef)m_macWindow , NULL ) ;
 }
 
-Point lastWhere ;
-long lastWhen = 0 ;
-extern int wxBusyCursorCount ;
-
-void wxTopLevelWindowMac::MacFireMouseEvent( EventRecord *ev )
+void wxTopLevelWindowMac::MacFireMouseEvent(
+    wxUint16 kind , wxInt32 x , wxInt32 y ,wxUint32 modifiers , long timestamp )
 {
     wxMouseEvent event(wxEVT_LEFT_DOWN);
-    bool isDown = !(ev->modifiers & btnState) ; // 1 is for up
-    bool controlDown = ev->modifiers & controlKey ; // for simulating right mouse
-    
+    bool isDown = !(modifiers & btnState) ; // 1 is for up
+    bool controlDown = modifiers & controlKey ; // for simulating right mouse
+
     event.m_leftDown = isDown && !controlDown;
-    
+
     event.m_middleDown = FALSE;
     event.m_rightDown = isDown && controlDown;
 
-    if ( ev->what == mouseDown )
+    if ( kind == mouseDown )
     {
         if ( controlDown )
             event.SetEventType(wxEVT_RIGHT_DOWN ) ;
         else
             event.SetEventType(wxEVT_LEFT_DOWN ) ;
     }
-    else if ( ev->what == mouseUp )
+    else if ( kind == mouseUp )
     {
         if ( controlDown )
             event.SetEventType(wxEVT_RIGHT_UP ) ;
@@ -390,37 +842,42 @@ void wxTopLevelWindowMac::MacFireMouseEvent( EventRecord *ev )
         event.SetEventType(wxEVT_MOTION ) ;
     }
 
-    event.m_shiftDown = ev->modifiers & shiftKey;
-    event.m_controlDown = ev->modifiers & controlKey;
-    event.m_altDown = ev->modifiers & optionKey;
-    event.m_metaDown = ev->modifiers & cmdKey;
+    event.m_shiftDown = modifiers & shiftKey;
+    event.m_controlDown = modifiers & controlKey;
+    event.m_altDown = modifiers & optionKey;
+    event.m_metaDown = modifiers & cmdKey;
 
-    Point       localwhere = ev->where ;
-        
-    GrafPtr     port ;  
+    Point       localwhere ;
+    localwhere.h = x ;
+    localwhere.v = y ;
+
+    GrafPtr     port ;
     ::GetPort( &port ) ;
-    ::SetPort( UMAGetWindowPort( m_macWindow ) ) ;
+    ::SetPort( UMAGetWindowPort( (WindowRef)m_macWindow ) ) ;
     ::GlobalToLocal( &localwhere ) ;
     ::SetPort( port ) ;
 
-    if ( ev->what == mouseDown )
+    if ( kind == mouseDown )
     {
-        if ( ev->when - lastWhen <= GetDblTime() )
+        if ( timestamp - gs_lastWhen <= (long) GetDblTime() )
         {
-            if ( abs( localwhere.h - lastWhere.h ) < 3 || abs( localwhere.v - lastWhere.v ) < 3 )
+            if ( abs( localwhere.h - gs_lastWhere.h ) < 3 && abs( localwhere.v - gs_lastWhere.v ) < 3 )
             {
+                // This is not right if the second mouse down
+                // event occured in a differen window. We
+                // correct this in MacDispatchMouseEvent.
                 if ( controlDown )
                     event.SetEventType(wxEVT_RIGHT_DCLICK ) ;
                 else
                     event.SetEventType(wxEVT_LEFT_DCLICK ) ;
             }
-            lastWhen = 0 ;
+            gs_lastWhen = 0 ;
         }
         else
         {
-            lastWhen = ev->when ;
+            gs_lastWhen = timestamp ;
         }
-        lastWhere = localwhere ;
+        gs_lastWhere = localwhere ;
     }
 
     event.m_x = localwhere.h;
@@ -428,14 +885,7 @@ void wxTopLevelWindowMac::MacFireMouseEvent( EventRecord *ev )
     event.m_x += m_x;
     event.m_y += m_y;
 
-/*
-    wxPoint origin = GetClientAreaOrigin() ;
-
-    event.m_x += origin.x ;
-    event.m_y += origin.y ;
-*/
-    
-    event.m_timeStamp = ev->when;
+    event.m_timeStamp = timestamp;
     event.SetEventObject(this);
     if ( wxTheApp->s_captureWindow )
     {
@@ -444,11 +894,13 @@ void wxTopLevelWindowMac::MacFireMouseEvent( EventRecord *ev )
         wxTheApp->s_captureWindow->ScreenToClient( &x , &y ) ;
         event.m_x = x ;
         event.m_y = y ;
+        event.SetEventObject( wxTheApp->s_captureWindow ) ;
         wxTheApp->s_captureWindow->GetEventHandler()->ProcessEvent( event ) ;
-        if ( ev->what == mouseUp )
+
+        if ( kind == mouseUp )
         {
             wxTheApp->s_captureWindow = NULL ;
-            if ( wxBusyCursorCount == 0 )
+            if ( !wxIsBusy() )
             {
                 m_cursor.MacInstall() ;
             }
@@ -460,65 +912,79 @@ void wxTopLevelWindowMac::MacFireMouseEvent( EventRecord *ev )
     }
 }
 
-void wxTopLevelWindowMac::MacMouseDown( EventRecord *ev , short part)
+#if !TARGET_CARBON
+
+void wxTopLevelWindowMac::MacMouseDown( WXEVENTREF ev , short part)
 {
-    MacFireMouseEvent( ev ) ;
+    MacFireMouseEvent( mouseDown , ((EventRecord*)ev)->where.h , ((EventRecord*)ev)->where.v ,
+        ((EventRecord*)ev)->modifiers , ((EventRecord*)ev)->when ) ;
 }
 
-void wxTopLevelWindowMac::MacMouseUp( EventRecord *ev , short part)
+void wxTopLevelWindowMac::MacMouseUp( WXEVENTREF ev , short part)
 {
     switch (part)
     {
-        case inContent:     
+        case inContent:
             {
-                MacFireMouseEvent( ev ) ;
+                MacFireMouseEvent( mouseUp , ((EventRecord*)ev)->where.h , ((EventRecord*)ev)->where.v ,
+                    ((EventRecord*)ev)->modifiers , ((EventRecord*)ev)->when ) ;
             }
             break ;
     }
 }
 
-void wxTopLevelWindowMac::MacMouseMoved( EventRecord *ev , short part)
+void wxTopLevelWindowMac::MacMouseMoved( WXEVENTREF ev , short part)
 {
     switch (part)
     {
-        case inContent:     
+        case inContent:
             {
-                MacFireMouseEvent( ev ) ;
+                MacFireMouseEvent( nullEvent /*moved*/ , ((EventRecord*)ev)->where.h , ((EventRecord*)ev)->where.v ,
+                    ((EventRecord*)ev)->modifiers , ((EventRecord*)ev)->when ) ;
             }
             break ;
     }
 }
-void wxTopLevelWindowMac::MacActivate( EventRecord *ev , bool inIsActivating )
+
+#endif
+
+void wxTopLevelWindowMac::MacActivate( long timestamp , bool inIsActivating )
 {
     wxActivateEvent event(wxEVT_ACTIVATE, inIsActivating , m_windowId);
-    event.m_timeStamp = ev->when ;
+    event.m_timeStamp = timestamp ;
     event.SetEventObject(this);
-    
+
     GetEventHandler()->ProcessEvent(event);
-    
-    UMAHighlightAndActivateWindow( m_macWindow , inIsActivating ) ;
-    
-    Refresh( FALSE ) ; 
-//  MacSuperEnabled( inIsActivating ) ;
-//  MacUpdateImmediately() ;
+
+    UMAHighlightAndActivateWindow( (WindowRef)m_macWindow , inIsActivating ) ;
+
+    // Early versions of MacOS X don't refresh backgrounds properly,
+    // so refresh the whole window on activation and deactivation.
+    long osVersion = UMAGetSystemVersion();
+    if (osVersion >= 0x1000 && osVersion < 0x1020 )
+    {
+        Refresh(TRUE);
+    }
+    else
+    {
+        // for the moment we have to resolve some redrawing issues like this
+        // the OS is stealing some redrawing areas as soon as it draws a control
+        Refresh(TRUE);
+    }
 }
 
-void wxTopLevelWindowMac::MacKeyDown( EventRecord *ev ) 
+#if !TARGET_CARBON
+
+void wxTopLevelWindowMac::MacKeyDown( WXEVENTREF ev )
 {
 }
 
+#endif
+
 void wxTopLevelWindowMac::SetTitle(const wxString& title)
 {
     wxWindow::SetTitle( title ) ;
-    
-    wxString label ;
-    
-    if( wxApp::s_macDefaultEncodingIsPC )
-        label = wxMacMakeMacStringFromPC( m_label ) ;
-    else
-        label = m_label ;
-
-    UMASetWTitleC( m_macWindow , label ) ;
+    UMASetWTitle( (WindowRef)m_macWindow , title ) ;
 }
 
 bool wxTopLevelWindowMac::Show(bool show)
@@ -528,8 +994,8 @@ bool wxTopLevelWindowMac::Show(bool show)
 
     if (show)
     {
-      ::ShowWindow( m_macWindow ) ;
-      ::SelectWindow( m_macWindow ) ;
+      ::TransitionWindow((WindowRef)m_macWindow,kWindowZoomTransitionEffect,kWindowShowTransitionAction,nil);
+      ::SelectWindow( (WindowRef)m_macWindow ) ;
       // no need to generate events here, they will get them triggered by macos
       // actually they should be , but apparently they are not
       wxSize size(m_width, m_height);
@@ -539,7 +1005,7 @@ bool wxTopLevelWindowMac::Show(bool show)
     }
     else
     {
-      ::HideWindow( m_macWindow ) ;
+      ::TransitionWindow((WindowRef)m_macWindow,kWindowZoomTransitionEffect,kWindowHideTransitionAction,nil);
     }
 
     if ( !show )
@@ -547,7 +1013,7 @@ bool wxTopLevelWindowMac::Show(bool show)
     }
     else
     {
-        Refresh() ; 
+        Refresh() ;
     }
 
     return TRUE;
@@ -559,24 +1025,24 @@ void wxTopLevelWindowMac::DoMoveWindow(int x, int y, int width, int height)
     int former_y = m_y ;
     int former_w = m_width ;
     int former_h = m_height ;
-    
-  int actualWidth = width;
-  int actualHeight = height;
-  int actualX = x;
-  int actualY = y;
-  
-    if ((m_minWidth != -1) && (actualWidth < m_minWidth)) 
+
+    int actualWidth = width;
+    int actualHeight = height;
+    int actualX = x;
+    int actualY = y;
+
+    if ((m_minWidth != -1) && (actualWidth < m_minWidth))
         actualWidth = m_minWidth;
-    if ((m_minHeight != -1) && (actualHeight < m_minHeight)) 
+    if ((m_minHeight != -1) && (actualHeight < m_minHeight))
         actualHeight = m_minHeight;
-    if ((m_maxWidth != -1) && (actualWidth > m_maxWidth)) 
+    if ((m_maxWidth != -1) && (actualWidth > m_maxWidth))
         actualWidth = m_maxWidth;
-    if ((m_maxHeight != -1) && (actualHeight > m_maxHeight)) 
+    if ((m_maxHeight != -1) && (actualHeight > m_maxHeight))
         actualHeight = m_maxHeight;
 
     bool doMove = false ;
     bool doResize = false ;
-    
+
     if ( actualX != former_x || actualY != former_y )
     {
         doMove = true ;
@@ -594,14 +1060,18 @@ void wxTopLevelWindowMac::DoMoveWindow(int x, int y, int width, int height)
         m_height = actualHeight ;
 
         if ( doMove )
-            ::MoveWindow(m_macWindow, m_x, m_y  , false); // don't make frontmost
-        
+            ::MoveWindow((WindowRef)m_macWindow, m_x, m_y  , false); // don't make frontmost
+
         if ( doResize )
-            ::SizeWindow(m_macWindow, m_width, m_height  , true); 
-        
-        // the OS takes care of invalidating and erasing the new area
-        // we have erased the old one   
-        
+            ::SizeWindow((WindowRef)m_macWindow, m_width, m_height  , true);
+
+        // the OS takes care of invalidating and erasing the new area so we only have to
+        // take care of refreshing for full repaints
+
+        if ( doResize && !HasFlag(wxNO_FULL_REPAINT_ON_RESIZE) )
+            Refresh() ;
+
+
         if ( IsKindOf( CLASSINFO( wxFrame ) ) )
         {
             wxFrame* frame = (wxFrame*) this ;
@@ -628,7 +1098,7 @@ void wxTopLevelWindowMac::DoMoveWindow(int x, int y, int width, int height)
              GetEventHandler()->ProcessEvent(event);
         }
     }
-    
+
 }
 
 /*
@@ -639,58 +1109,230 @@ void wxTopLevelWindowMac::DoMoveWindow(int x, int y, int width, int height)
  * has been true for any part of the update rgn the background is erased in the entire region
  * not just in the specified rect.
  *
- * In order to achive this, we also have an internal m_macNoEraseUpdateRgn, all rects that have 
+ * In order to achive this, we also have an internal m_macNoEraseUpdateRgn, all rects that have
  * the eraseBackground flag set to false are also added to this rgn. upon receiving an update event
  * the update rgn is compared to the m_macNoEraseUpdateRgn and in case they differ, every window
  * will get the eraseBackground event first
  */
- 
-void wxTopLevelWindowMac::MacInvalidate( const Rect * rect, bool eraseBackground ) 
-{
-  GrafPtr formerPort ;
-  GetPort( &formerPort ) ;
-  SetPortWindowPort( m_macWindow ) ;
-  
-  m_macNeedsErasing |= eraseBackground ;
-  
-  // if we already know that we will have to erase, there's no need to track the rest
-  if ( !m_macNeedsErasing)
-  {
-    // we end only here if eraseBackground is false
-    // if we already have a difference between m_macNoEraseUpdateRgn and UpdateRgn
-    // we will have to erase anyway
-      
-    RgnHandle       updateRgn = NewRgn();    
-    RgnHandle       diffRgn = NewRgn() ;
-    if ( updateRgn && diffRgn )
+
+void wxTopLevelWindowMac::MacInvalidate( const WXRECTPTR rect, bool eraseBackground )
+{
+    GrafPtr formerPort ;
+    GetPort( &formerPort ) ;
+    SetPortWindowPort( (WindowRef)m_macWindow ) ;
+
+    m_macNeedsErasing |= eraseBackground ;
+
+    // if we already know that we will have to erase, there's no need to track the rest
+    if ( !m_macNeedsErasing)
     {
-        GetWindowUpdateRgn( m_macWindow , updateRgn );
-        Point pt = {0,0} ;
-        LocalToGlobal( &pt ) ;
-        OffsetRgn( updateRgn , -pt.h , -pt.v ) ;
-        DiffRgn( updateRgn , m_macNoEraseUpdateRgn , diffRgn ) ;
-        if ( !EmptyRgn( diffRgn ) )
+        // we end only here if eraseBackground is false
+        // if we already have a difference between m_macNoEraseUpdateRgn and UpdateRgn
+        // we will have to erase anyway
+
+        RgnHandle       updateRgn = NewRgn();
+        RgnHandle       diffRgn = NewRgn() ;
+        if ( updateRgn && diffRgn )
+        {
+            GetWindowUpdateRgn( (WindowRef)m_macWindow , updateRgn );
+            Point pt = {0,0} ;
+            LocalToGlobal( &pt ) ;
+            OffsetRgn( updateRgn , -pt.h , -pt.v ) ;
+            DiffRgn( updateRgn , (RgnHandle) m_macNoEraseUpdateRgn , diffRgn ) ;
+            if ( !EmptyRgn( diffRgn ) )
+            {
+                m_macNeedsErasing = true ;
+            }
+        }
+        if ( updateRgn )
+            DisposeRgn( updateRgn );
+        if ( diffRgn )
+            DisposeRgn( diffRgn );
+
+        if ( !m_macNeedsErasing )
         {
-            m_macNeedsErasing = true ;
+            RgnHandle rectRgn = NewRgn() ;
+            SetRectRgn( rectRgn , ((Rect*)rect)->left , ((Rect*)rect)->top , ((Rect*)rect)->right , ((Rect*)rect)->bottom ) ;
+            UnionRgn( (RgnHandle) m_macNoEraseUpdateRgn , rectRgn , (RgnHandle) m_macNoEraseUpdateRgn ) ;
+            DisposeRgn( rectRgn ) ;
         }
     }
-    if ( updateRgn )
-        DisposeRgn( updateRgn );
-    if ( diffRgn )
-        DisposeRgn( diffRgn );
+    InvalWindowRect( (WindowRef)m_macWindow , (Rect*)rect ) ;
+    // turn this on to debug the refreshing cycle
+#if wxMAC_DEBUG_REDRAW
+    PaintRect( rect ) ;
+#endif
+    SetPort( formerPort ) ;
+}
+
+
+bool wxTopLevelWindowMac::SetShape(const wxRegion& region)
+{
+    wxCHECK_MSG( HasFlag(wxFRAME_SHAPED), FALSE,
+                 _T("Shaped windows must be created with the wxFRAME_SHAPED style."));
 
-    if ( !m_macNeedsErasing )
+#if TARGET_CARBON
+    // The empty region signifies that the shape should be removed from the
+    // window.
+    if ( region.IsEmpty() )
     {
-      RgnHandle rectRgn = NewRgn() ;
-      SetRectRgn( rectRgn , rect->left , rect->top , rect->right , rect->bottom ) ;
-      UnionRgn( m_macNoEraseUpdateRgn , rectRgn , m_macNoEraseUpdateRgn ) ;
-      DisposeRgn( rectRgn ) ;
+        wxSize sz = GetClientSize();
+        wxRegion rgn(0, 0, sz.x, sz.y);
+        return SetShape(rgn);
     }
-  }
-  InvalWindowRect( m_macWindow , rect ) ;
-  // turn this on to debug the refreshing cycle
-#if 0
-  PaintRect( rect ) ;
+
+    // Make a copy of the region
+    RgnHandle  shapeRegion = NewRgn();
+    CopyRgn( (RgnHandle)region.GetWXHRGN(), shapeRegion );
+
+    // Dispose of any shape region we may already have
+    RgnHandle oldRgn = (RgnHandle)GetWRefCon( (WindowRef)MacGetWindowRef() );
+    if ( oldRgn )
+        DisposeRgn(oldRgn);
+
+    // Save the region so we can use it later
+    SetWRefCon((WindowRef)MacGetWindowRef(), (SInt32)shapeRegion);
+
+    // Tell the window manager that the window has changed shape
+    ReshapeCustomWindow((WindowRef)MacGetWindowRef());
+    return TRUE;
+#else
+    return FALSE;
 #endif
-  SetPort( formerPort ) ;
 }
+
+// ---------------------------------------------------------------------------
+// Support functions for shaped windows, based on Apple's CustomWindow sample at
+// http://developer.apple.com/samplecode/Sample_Code/Human_Interface_Toolbox/Mac_OS_High_Level_Toolbox/CustomWindow.htm
+// ---------------------------------------------------------------------------
+
+#if TARGET_CARBON
+
+static void wxShapedMacWindowGetPos(WindowRef window, Rect* inRect)
+{
+    GetWindowPortBounds(window, inRect);
+    Point pt = {inRect->left, inRect->top};
+    SetPort((GrafPtr) GetWindowPort(window));
+    LocalToGlobal(&pt);
+    inRect->top = pt.v;
+    inRect->left = pt.h;
+    inRect->bottom += pt.v;
+    inRect->right += pt.h;
+}
+
+
+static SInt32 wxShapedMacWindowGetFeatures(WindowRef window, SInt32 param)
+{
+    /*------------------------------------------------------
+        Define which options your custom window supports.
+    --------------------------------------------------------*/
+    //just enable everything for our demo
+    *(OptionBits*)param=//kWindowCanGrow|
+                        //kWindowCanZoom|
+                        //kWindowCanCollapse|
+                        //kWindowCanGetWindowRegion|
+                        //kWindowHasTitleBar|
+                        //kWindowSupportsDragHilite|
+                        kWindowCanDrawInCurrentPort|
+                        //kWindowCanMeasureTitle|
+                        kWindowWantsDisposeAtProcessDeath|
+                        kWindowSupportsSetGrowImageRegion|
+                        kWindowDefSupportsColorGrafPort;
+    return 1;
+}
+
+// The content region is left as a rectangle matching the window size, this is
+// so the origin in the paint event, and etc. still matches what the
+// programmer expects.
+static void wxShapedMacWindowContentRegion(WindowRef window, RgnHandle rgn)
+{
+    SetEmptyRgn(rgn);
+    wxTopLevelWindowMac* win = wxFindWinFromMacWindow(window);
+    if (win)
+    {
+        wxRect r = win->GetRect();
+        SetRectRgn(rgn, r.GetLeft(), r.GetTop(), r.GetRight(), r.GetBottom());
+    }
+}
+
+// The structure region is set to the shape given to the SetShape method.
+static void wxShapedMacWindowStructureRegion(WindowRef window, RgnHandle rgn)
+{
+    RgnHandle cachedRegion = (RgnHandle) GetWRefCon(window);
+
+    SetEmptyRgn(rgn);
+    if (cachedRegion)
+    {
+        Rect windowRect;
+        wxShapedMacWindowGetPos(window, &windowRect);	//how big is the window
+        CopyRgn(cachedRegion, rgn);		//make a copy of our cached region
+        OffsetRgn(rgn, windowRect.left, windowRect.top); // position it over window
+        //MapRgn(rgn, &mMaskSize, &windowRect);	//scale it to our actual window size
+    }
+}
+
+
+
+static SInt32 wxShapedMacWindowGetRegion(WindowRef window, SInt32 param)
+{
+    GetWindowRegionPtr rgnRec=(GetWindowRegionPtr)param;
+
+    switch(rgnRec->regionCode)
+    {
+        case kWindowStructureRgn:
+            wxShapedMacWindowStructureRegion(window, rgnRec->winRgn);
+            break;
+        case kWindowContentRgn:
+            wxShapedMacWindowContentRegion(window, rgnRec->winRgn);
+            break;
+        default:
+            SetEmptyRgn(rgnRec->winRgn);
+    }  //switch
+
+    return noErr;
+}
+
+
+static SInt32 wxShapedMacWindowHitTest(WindowRef window,SInt32 param)
+{
+    /*------------------------------------------------------
+        Determine the region of the window which was hit
+    --------------------------------------------------------*/
+    Point hitPoint;
+    static RgnHandle tempRgn=nil;
+
+    if(!tempRgn)
+    	tempRgn=NewRgn();
+
+    SetPt(&hitPoint,LoWord(param),HiWord(param));//get the point clicked
+
+     //Mac OS 8.5 or later
+    wxShapedMacWindowStructureRegion(window, tempRgn);
+    if (PtInRgn(hitPoint, tempRgn)) //in window content region?
+        return wInContent;
+
+    return wNoHit;//no significant area was hit.
+}
+
+
+static pascal long wxShapedMacWindowDef(short varCode, WindowRef window, SInt16 message, SInt32 param)
+{
+    switch(message)
+    {
+        case kWindowMsgHitTest:
+            return wxShapedMacWindowHitTest(window,param);
+
+        case kWindowMsgGetFeatures:
+            return wxShapedMacWindowGetFeatures(window,param);
+
+        // kWindowMsgGetRegion is sent during CreateCustomWindow and ReshapeCustomWindow
+        case kWindowMsgGetRegion:
+            return wxShapedMacWindowGetRegion(window,param);
+    }
+
+    return 0;
+}
+
+#endif
+// ---------------------------------------------------------------------------
+