- better behaviour of wxMGL's wxTimer w.r.t. memory allocations

[wxWidgets.git] / src / mac / window.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        windows.cpp
// Purpose:     wxWindowMac
// Author:      AUTHOR
// Modified by:
// Created:     ??/??/98
// RCS-ID:      $Id$
// Copyright:   (c) AUTHOR
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation "window.h"
#endif

#include "wx/setup.h"
#include "wx/menu.h"
#include "wx/window.h"
#include "wx/dc.h"
#include "wx/dcclient.h"
#include "wx/utils.h" 
#include "wx/app.h"
#include "wx/panel.h"
#include "wx/layout.h"
#include "wx/dialog.h"
#include "wx/listbox.h"
#include "wx/scrolbar.h"
#include "wx/statbox.h"
#include "wx/button.h"
#include "wx/settings.h"
#include "wx/msgdlg.h"
#include "wx/frame.h"
#include "wx/notebook.h"
#include "wx/tabctrl.h"
#include "wx/tooltip.h"
#include "wx/statusbr.h"
#include "wx/menuitem.h"
#include "wx/log.h"

#if wxUSE_CARET
    #include "wx/caret.h"
#endif // wxUSE_CARET

#define wxWINDOW_HSCROLL 5998
#define wxWINDOW_VSCROLL 5997
#define MAC_SCROLLBAR_SIZE 16

#include "wx/mac/uma.h"

#if  wxUSE_DRAG_AND_DROP
#include "wx/dnd.h"
#endif

#include <string.h>

extern wxList wxPendingDelete;
wxWindowMac* gFocusWindow = NULL ;

#ifdef __WXUNIVERSAL__
    IMPLEMENT_ABSTRACT_CLASS(wxWindowMac, wxWindowBase)
#else // __WXMAC__
    IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
#endif // __WXUNIVERSAL__/__WXMAC__

#if !USE_SHARED_LIBRARY

BEGIN_EVENT_TABLE(wxWindowMac, wxWindowBase)
  EVT_ERASE_BACKGROUND(wxWindowMac::OnEraseBackground)
  EVT_SYS_COLOUR_CHANGED(wxWindowMac::OnSysColourChanged)
  EVT_INIT_DIALOG(wxWindowMac::OnInitDialog)
  EVT_IDLE(wxWindowMac::OnIdle)
  EVT_SET_FOCUS(wxWindowMac::OnSetFocus)
END_EVENT_TABLE()

#endif



// ===========================================================================
// implementation
// ===========================================================================

// ---------------------------------------------------------------------------
// wxWindowMac utility functions
// ---------------------------------------------------------------------------

// Find an item given the Macintosh Window Reference

wxList *wxWinMacWindowList = NULL;
wxWindowMac *wxFindWinFromMacWindow(WindowRef inWindowRef)
{
    wxNode *node = wxWinMacWindowList->Find((long)inWindowRef);
    if (!node)
        return NULL;
    return (wxWindowMac *)node->Data();
}

void wxAssociateWinWithMacWindow(WindowRef inWindowRef, wxWindowMac *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" );

    if ( !wxWinMacWindowList->Find((long)inWindowRef) )
        wxWinMacWindowList->Append((long)inWindowRef, win);
}

void wxRemoveMacWindowAssociation(wxWindowMac *win)
{
    wxWinMacWindowList->DeleteObject(win);
}

// ----------------------------------------------------------------------------
// constructors and such
// ----------------------------------------------------------------------------

WindowRef wxWindowMac::s_macWindowInUpdate = NULL;

void wxWindowMac::Init()
{
    // generic
    InitBase();

    m_macEraseOnRedraw = true ;

    // MSW specific
    m_doubleClickAllowed = 0;
    m_winCaptured = FALSE;

    m_isBeingDeleted = FALSE;

    m_useCtl3D = FALSE;
    m_mouseInWindow = FALSE;

    m_xThumbSize = 0;
    m_yThumbSize = 0;
    m_backgroundTransparent = FALSE;

    // as all windows are created with WS_VISIBLE style...
    m_isShown = TRUE;

    m_macWindowData = NULL ;
    m_macEraseOnRedraw = true ;

    m_x = 0;
    m_y = 0 ;   
    m_width = 0 ;
    m_height = 0 ;

    m_hScrollBar = NULL ;
    m_vScrollBar = NULL ;

#if  wxUSE_DRAG_AND_DROP
  m_pDropTarget = NULL;
#endif
}

// Destructor
wxWindowMac::~wxWindowMac()
{
    // deleting a window while it is shown invalidates the region
    if ( IsShown() ) {
        wxWindowMac* iter = this ;
        while( iter ) {
            if ( iter->m_macWindowData )
            {
                Refresh() ;
                break ;
            }
            iter = iter->GetParent() ;
            
        }
    }
    
    m_isBeingDeleted = TRUE;

    if ( s_lastMouseWindow == this )
    {
        s_lastMouseWindow = NULL ;
    }

    if ( gFocusWindow == this )
    {
        gFocusWindow = NULL ;
    }

    if ( m_parent )
        m_parent->RemoveChild(this);

    DestroyChildren();

    if ( m_macWindowData )
    {
        wxToolTip::NotifyWindowDelete(m_macWindowData->m_macWindow) ;
        UMADisposeWindow( m_macWindowData->m_macWindow ) ;
        delete m_macWindowData ;
        wxRemoveMacWindowAssociation( this ) ;
    }
}

// Constructor
bool wxWindowMac::Create(wxWindowMac *parent, wxWindowID id,
           const wxPoint& pos,
           const wxSize& size,
           long style,
           const wxString& name)
{
    wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindowMac without parent") );

    if ( !CreateBase(parent, id, pos, size, style, wxDefaultValidator, name) )
        return FALSE;

    parent->AddChild(this);

    m_x = (int)pos.x;
    m_y = (int)pos.y;
    AdjustForParentClientOrigin(m_x, m_y, wxSIZE_USE_EXISTING);
    m_width = WidthDefault( size.x );
    m_height = HeightDefault( size.y ) ;
#ifndef __WXUNIVERSAL__
    if ( ! IsKindOf( CLASSINFO ( wxControl ) ) && ! IsKindOf( CLASSINFO( wxStatusBar ) ) )
    {
        MacCreateScrollBars( style ) ;
    }
#endif
    return TRUE;
}

void wxWindowMac::SetFocus()
{
    if ( gFocusWindow == this )
        return ;
        
    if ( AcceptsFocus() )
    {
        if (gFocusWindow )
        {
            #if wxUSE_CARET
                // Deal with caret
                if ( gFocusWindow->m_caret )
                {
                      gFocusWindow->m_caret->OnKillFocus();
                }
            #endif // wxUSE_CARET
      #ifndef __WXUNIVERSAL__
            wxControl* control = wxDynamicCast( gFocusWindow , wxControl ) ;
            if ( control && control->GetMacControl() )
            {
                UMASetKeyboardFocus( gFocusWindow->GetMacRootWindow() , control->GetMacControl()  , kControlFocusNoPart ) ;
                control->MacRedrawControl() ;
            }
            #endif
            wxFocusEvent event(wxEVT_KILL_FOCUS, gFocusWindow->m_windowId);
            event.SetEventObject(gFocusWindow);
            gFocusWindow->GetEventHandler()->ProcessEvent(event) ;
        }
        gFocusWindow = this ;
        {
            #if wxUSE_CARET
            // Deal with caret
            if ( m_caret )
            {
                m_caret->OnSetFocus();
            }
            #endif // wxUSE_CARET
            // panel wants to track the window which was the last to have focus in it
            wxChildFocusEvent eventFocus(this);
            (void)GetEventHandler()->ProcessEvent(eventFocus);

      #ifndef __WXUNIVERSAL__
            wxControl* control = wxDynamicCast( gFocusWindow , wxControl ) ;
            if ( control && control->GetMacControl() )
            {
                UMASetKeyboardFocus( gFocusWindow->GetMacRootWindow() , control->GetMacControl()  , kControlEditTextPart ) ;
            }
      #endif
            wxFocusEvent event(wxEVT_SET_FOCUS, m_windowId);
            event.SetEventObject(this);
            GetEventHandler()->ProcessEvent(event) ;
        }
    }
}

bool wxWindowMac::Enable(bool enable)
{
    if ( !wxWindowBase::Enable(enable) )
        return FALSE;

    wxWindowList::Node *node = GetChildren().GetFirst();
    while ( node )
    {
        wxWindowMac *child = node->GetData();
        child->Enable(enable);

        node = node->GetNext();
    }

    return TRUE;
}

void wxWindowMac::CaptureMouse()
{
    wxTheApp->s_captureWindow = this ;
}

wxWindow* wxWindowBase::GetCapture()
{
    return wxTheApp->s_captureWindow ;
}

void wxWindowMac::ReleaseMouse()
{
    wxTheApp->s_captureWindow = NULL ;
}

#if    wxUSE_DRAG_AND_DROP

void wxWindowMac::SetDropTarget(wxDropTarget *pDropTarget)
{
  if ( m_pDropTarget != 0 ) {
    delete m_pDropTarget;
  }

  m_pDropTarget = pDropTarget;
  if ( m_pDropTarget != 0 )
  {
    // TODO
  }
}

#endif

// Old style file-manager drag&drop
void wxWindowMac::DragAcceptFiles(bool accept)
{
    // TODO
}

// Get total size
void wxWindowMac::DoGetSize(int *x, int *y) const
{
     if(x)   *x = m_width ;
     if(y)   *y = m_height ;
}

void wxWindowMac::DoGetPosition(int *x, int *y) const
{
    int xx,yy;
 
    xx = m_x ;
    yy = m_y ;
    if (GetParent())
    {
        wxPoint pt(GetParent()->GetClientAreaOrigin());
        xx -= pt.x;
        yy -= pt.y;
    }
    if(x)   *x = xx;
    if(y)   *y = yy;
}

#if wxUSE_MENUS
bool wxWindowMac::DoPopupMenu(wxMenu *menu, int x, int y)
{
    menu->SetInvokingWindow(this);
    menu->UpdateUI();
    ClientToScreen( &x , &y ) ;

    ::InsertMenu( menu->GetHMenu() , -1 ) ;
    long menuResult = ::PopUpMenuSelect(menu->GetHMenu() ,y,x, 0) ;
    menu->MacMenuSelect( this , TickCount() , HiWord(menuResult) , LoWord(menuResult) ) ;
    ::DeleteMenu( menu->MacGetMenuId() ) ;
    menu->SetInvokingWindow(NULL);

  return TRUE;
}
#endif

void wxWindowMac::DoScreenToClient(int *x, int *y) const
{
    WindowRef window = GetMacRootWindow() ;

    Point       localwhere = {0,0} ;

    if(x)   localwhere.h = * x ;
    if(y)   localwhere.v = * y ;

    GrafPtr     port ;  
    ::GetPort( &port ) ;
    ::SetPort( UMAGetWindowPort( window ) ) ;
    ::GlobalToLocal( &localwhere ) ;
    ::SetPort( port ) ;

    if(x)   *x = localwhere.h ;
    if(y)   *y = localwhere.v ;
    
    MacRootWindowToClient( x , y ) ;
}

void wxWindowMac::DoClientToScreen(int *x, int *y) const
{
    WindowRef window = GetMacRootWindow() ;
    
    MacClientToRootWindow( x , y ) ;
    
    Point       localwhere = { 0,0 };
    if(x)   localwhere.h = * x ;
    if(y)   localwhere.v = * y ;
    
    GrafPtr     port ;  
    ::GetPort( &port ) ;
    ::SetPort( UMAGetWindowPort( window ) ) ;
    ::SetOrigin( 0 , 0 ) ;
    ::LocalToGlobal( &localwhere ) ;
    ::SetPort( port ) ;
    if(x)   *x = localwhere.h ;
    if(y)   *y = localwhere.v ;
}

void wxWindowMac::MacClientToRootWindow( int *x , int *y ) const
{
    if ( m_macWindowData == NULL)
    {
        if(x)   *x += m_x + MacGetLeftBorderSize();
        if(y)   *y += m_y + MacGetTopBorderSize();
        GetParent()->MacClientToRootWindow( x , y ) ;
    }
}

void wxWindowMac::MacRootWindowToClient( int *x , int *y ) const
{
    if ( m_macWindowData == NULL)
    {
       if(x)   *x -= m_x + MacGetLeftBorderSize();
      if(y)   *y -= m_y + MacGetTopBorderSize();
        GetParent()->MacRootWindowToClient( x , y ) ;
    }
}

bool wxWindowMac::SetCursor(const wxCursor& cursor)
{
    if (m_cursor == cursor)
       return FALSE;

    if (wxNullCursor == cursor)
    {
       if ( ! wxWindowBase::SetCursor( *wxSTANDARD_CURSOR ) )
        return FALSE ;
    }
    else
    {
       if ( ! wxWindowBase::SetCursor( cursor ) )
        return FALSE ;
    }

  wxASSERT_MSG( m_cursor.Ok(),
                  wxT("cursor must be valid after call to the base version"));

  Point pt ;
  wxWindowMac *mouseWin ;
  GetMouse( &pt ) ;
  
  // Change the cursor NOW if we're within the correct window

  if ( MacGetWindowFromPoint( wxPoint( pt.h , pt.v ) , &mouseWin ) )
  {
    if ( mouseWin == this && !wxIsBusy() )
    {
        m_cursor.MacInstall() ;
    }
  }

  return TRUE ;
}


// Get size *available for subwindows* i.e. excluding menu bar etc.
void wxWindowMac::DoGetClientSize(int *x, int *y) const
{
    int ww, hh;
    ww = m_width ;
    hh = m_height ;

    ww -= MacGetLeftBorderSize(  )  + MacGetRightBorderSize(  ) ;
    hh -= MacGetTopBorderSize(  ) + MacGetBottomBorderSize( );
    
  if ( (m_vScrollBar && m_vScrollBar->IsShown()) || (m_hScrollBar  && m_hScrollBar->IsShown()) )
  {
    int x1 = 0 ; 
    int y1 = 0 ;
    int w = m_width ;
    int h = m_height ;
    
    MacClientToRootWindow( &x1 , &y1 ) ;
    MacClientToRootWindow( &w , &h ) ;
    
    wxWindowMac *iter = (wxWindowMac*)this ;
    
    int totW = 10000 , totH = 10000;
    while( iter )
    {
        if ( iter->m_macWindowData )
        {
            totW = iter->m_width ;
            totH = iter->m_height ;
            break ;
        }

        iter = iter->GetParent() ;
    } 
    
    if (m_hScrollBar  && m_hScrollBar->IsShown() )
    {
        hh -= MAC_SCROLLBAR_SIZE;
        if ( h-y1 >= totH )
        {
            hh += 1 ;
        }
    }
    if (m_vScrollBar  && m_vScrollBar->IsShown() )
    {
        ww -= MAC_SCROLLBAR_SIZE;
        if ( w-x1 >= totW )
        {
            ww += 1 ;
        }
    }
  }
  if(x)   *x = ww;
  if(y)   *y = hh;
}


// ----------------------------------------------------------------------------
// tooltips
// ----------------------------------------------------------------------------

#if wxUSE_TOOLTIPS

void wxWindowMac::DoSetToolTip(wxToolTip *tooltip)
{
    wxWindowBase::DoSetToolTip(tooltip);

    if ( m_tooltip )
        m_tooltip->SetWindow(this);
}

#endif // wxUSE_TOOLTIPS

void wxWindowMac::DoMoveWindow(int x, int y, int width, int height)
{
    int former_x = m_x ;
    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)) 
        actualWidth = m_minWidth;
    if ((m_minHeight != -1) && (actualHeight < m_minHeight)) 
        actualHeight = m_minHeight;
    if ((m_maxWidth != -1) && (actualWidth > m_maxWidth)) 
        actualWidth = m_maxWidth;
    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 ;
    }
    if ( actualWidth != former_w || actualHeight != former_h )
    {
        doResize = true ;
    }

    if ( doMove || doResize )
    {
        if ( m_macWindowData )
        {
        }
        else
        {
            // erase former position
            wxMacDrawingHelper focus( this ) ;
            if ( focus.Ok() )
            {
                Rect clientrect = { 0 , 0 , m_height , m_width } ;
                // ClipRect( &clientrect ) ;
                InvalWindowRect( GetMacRootWindow() , &clientrect ) ;
            }
        }
        m_x = actualX ;
        m_y = actualY ;
        m_width = actualWidth ;
        m_height = actualHeight ;
        if ( m_macWindowData )
        {
            if ( doMove )
                ::MoveWindow(m_macWindowData->m_macWindow, m_x, m_y  , false); // don't make frontmost
            
            if ( doResize )
                ::SizeWindow(m_macWindowData->m_macWindow, m_width, m_height  , true); 
            
            // the OS takes care of invalidating and erasing the new area
            // we have erased the old one   
            
            if ( IsKindOf( CLASSINFO( wxFrame ) ) )
            {
                wxFrame* frame = (wxFrame*) this ;
                frame->PositionStatusBar();
                frame->PositionToolBar();
            }
            if ( doMove )
                wxWindowMac::MacTopLevelWindowChangedPosition() ; // like this only children will be notified
        }
        else
        {
            // erase new position
            
            {
                wxMacDrawingHelper focus( this ) ;
                if ( focus.Ok() )
                {
                    Rect clientrect = { 0 , 0 , m_height , m_width } ;
                    // ClipRect( &clientrect ) ;
                    InvalWindowRect( GetMacRootWindow() , &clientrect ) ;
                }
            }
            
            if ( doMove )
                wxWindowMac::MacSuperChangedPosition() ; // like this only children will be notified
        }
        MacRepositionScrollBars() ;
        if ( doMove )
        {
            wxPoint point(m_x, m_y);
            wxMoveEvent event(point, m_windowId);
            event.SetEventObject(this);
            GetEventHandler()->ProcessEvent(event) ;
        }
        if ( doResize )
        {
             MacRepositionScrollBars() ;
             wxSize size(m_width, m_height);
             wxSizeEvent event(size, m_windowId);
             event.SetEventObject(this);
             GetEventHandler()->ProcessEvent(event);
        }
    }
    
}

// set the size of the window: if the dimensions are positive, just use them,
// but if any of them is equal to -1, it means that we must find the value for
// it ourselves (unless sizeFlags contains wxSIZE_ALLOW_MINUS_ONE flag, in
// which case -1 is a valid value for x and y)
//
// If sizeFlags contains wxSIZE_AUTO_WIDTH/HEIGHT flags (default), we calculate
// the width/height to best suit our contents, otherwise we reuse the current
// width/height
void wxWindowMac::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
    // get the current size and position...
    int currentX, currentY;
    GetPosition(&currentX, &currentY);
    int currentW,currentH;
    GetSize(&currentW, &currentH);

    // ... and don't do anything (avoiding flicker) if it's already ok
    if ( x == currentX && y == currentY &&
         width == currentW && height == currentH )
    {
        MacRepositionScrollBars() ; // we might have a real position shift
        return;
    }

    if ( x == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
        x = currentX;
    if ( y == -1 && !(sizeFlags & wxSIZE_ALLOW_MINUS_ONE) )
        y = currentY;

    AdjustForParentClientOrigin(x, y, sizeFlags);

    wxSize size(-1, -1);
    if ( width == -1 )
    {
        if ( sizeFlags & wxSIZE_AUTO_WIDTH )
        {
            size = DoGetBestSize();
            width = size.x;
        }
        else
        {
            // just take the current one
            width = currentW;
        }
    }

    if ( height == -1 )
    {
        if ( sizeFlags & wxSIZE_AUTO_HEIGHT )
        {
            if ( size.x == -1 )
            {
                size = DoGetBestSize();
            }
            //else: already called DoGetBestSize() above

            height = size.y;
        }
        else
        {
            // just take the current one
            height = currentH;
        }
    }

    DoMoveWindow(x, y, width, height);

}
// For implementation purposes - sometimes decorations make the client area
// smaller

wxPoint wxWindowMac::GetClientAreaOrigin() const
{
    return wxPoint(MacGetLeftBorderSize(  ) , MacGetTopBorderSize(  ) );
}

// Makes an adjustment to the window position (for example, a frame that has
// a toolbar that it manages itself).
void wxWindowMac::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags)
{
    if( !m_macWindowData )
    {
    if (((sizeFlags & wxSIZE_NO_ADJUSTMENTS) == 0) && GetParent())
    {
        wxPoint pt(GetParent()->GetClientAreaOrigin());
        x += pt.x; y += pt.y;
    }
   }
}

void wxWindowMac::SetTitle(const wxString& title)
{
    m_label = title ;
    
    wxString label ;
    
    if( wxApp::s_macDefaultEncodingIsPC )
        label = wxMacMakeMacStringFromPC( title ) ;
    else
        label = title ;

    if ( m_macWindowData )
        UMASetWTitleC( m_macWindowData->m_macWindow , label ) ;
}

wxString wxWindowMac::GetTitle() const
{
    return m_label ;
}

bool wxWindowMac::Show(bool show)
{
    if ( !wxWindowBase::Show(show) )
        return FALSE;

    if ( m_macWindowData )
    {
      if (show)
      {
        ::ShowWindow( m_macWindowData->m_macWindow ) ;
        ::SelectWindow( m_macWindowData->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);
        wxSizeEvent event(size, m_windowId);
        event.SetEventObject(this);
        GetEventHandler()->ProcessEvent(event);
      }
      else
      {
        ::HideWindow( m_macWindowData->m_macWindow ) ;
      }
    }
    MacSuperShown( show ) ;
    if ( !show )
    {
        WindowRef window = GetMacRootWindow() ;
        wxWindowMac* win = wxFindWinFromMacWindow( window ) ;
        if ( win && !win->m_isBeingDeleted )
            Refresh() ; 
    }
    else
    {
        Refresh() ; 
    }

    return TRUE;
}

void wxWindowMac::MacSuperShown( bool show ) 
{
    wxNode *node = GetChildren().First();
    while ( node )
    {
        wxWindowMac *child = (wxWindowMac *)node->Data();
        if ( child->m_isShown )
            child->MacSuperShown( show ) ;
        node = node->Next();
    }
}

bool wxWindowMac::MacIsReallyShown() const 
{
    if ( m_isShown && (m_parent != NULL) ) {
        return m_parent->MacIsReallyShown();
    }
    return m_isShown;
/*  
    bool status = m_isShown ;
    wxWindowMac * win = this ;
    while ( status && win->m_parent != NULL )
    {
        win = win->m_parent ;
        status = win->m_isShown ;
    }
    return status ;
*/
}

int wxWindowMac::GetCharHeight() const
{
    wxClientDC dc ( (wxWindowMac*)this ) ;
    return dc.GetCharHeight() ;
}

int wxWindowMac::GetCharWidth() const
{
    wxClientDC dc ( (wxWindowMac*)this ) ;
    return dc.GetCharWidth() ;
}

void wxWindowMac::GetTextExtent(const wxString& string, int *x, int *y,
                           int *descent, int *externalLeading, const wxFont *theFont ) const
{
    const wxFont *fontToUse = theFont;
    if ( !fontToUse )
        fontToUse = &m_font;
        
    wxClientDC dc( (wxWindowMac*) this ) ;
    long lx,ly,ld,le ;
    dc.GetTextExtent( string , &lx , &ly , &ld, &le, (wxFont *)fontToUse ) ;
    if ( externalLeading )
        *externalLeading = le ;
    if ( descent )
        *descent = ld ;
    if ( x )
        *x = lx ;
    if ( y )
        *y = ly ;
}

void wxWindowMac::MacEraseBackground( Rect *rect )
{
/*
    WindowRef window = GetMacRootWindow() ;
    if ( m_backgroundColour == wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE) )
    {
            UMASetThemeWindowBackground( window , kThemeBrushDocumentWindowBackground , false ) ;
    }
    else if (  m_backgroundColour == wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE ) )
    {
        // on mac we have the difficult situation, that 3dface gray can be different colours, depending whether
        // it is on a notebook panel or not, in order to take care of that we walk up the hierarchy until we have
        // either a non gray background color or a non control window
        
            wxWindowMac* parent = GetParent() ;
            while( parent )
            {
                if ( parent->m_backgroundColour != wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE ) )
                {
                    // if we have any other colours in the hierarchy
                RGBBackColor( &parent->m_backgroundColour.GetPixel()) ;
                break ;
                }
                if( parent->IsKindOf( CLASSINFO( wxControl ) ) && ((wxControl*)parent)->GetMacControl() )
                {
                    // if we have the normal colours in the hierarchy but another control etc. -> use it's background
                    if ( parent->IsKindOf( CLASSINFO( wxNotebook ) ) || parent->IsKindOf( CLASSINFO( wxTabCtrl ) ))
                    {
                        UMAApplyThemeBackground(kThemeBackgroundTabPane, rect, kThemeStateActive,8,true);
                        break ;
                    }
                }
                else
                {
                    // we have arrived at a non control item
                    parent = NULL ;
                    break ;
                }
                parent = parent->GetParent() ;
            }
            if ( !parent )
            {
                // if there is nothing special -> use default
                UMASetThemeWindowBackground( window , kThemeBrushDialogBackgroundActive , false ) ;
            }
    }
    else
    {
        RGBBackColor( &m_backgroundColour.GetPixel()) ;
    }

    EraseRect( rect ) ; 
    
    for (wxNode *node = GetChildren().First(); node; node = node->Next())
    {
        wxWindowMac *child = (wxWindowMac*)node->Data();
        
        Rect clientrect = { child->m_x , child->m_y , child->m_x +child->m_width , child->m_y + child->m_height } ;
        SectRect( &clientrect , rect , &clientrect ) ;      

        OffsetRect( &clientrect , -child->m_x , -child->m_y ) ;
        if ( child->GetMacRootWindow() == window && child->IsShown() )
        {
            wxMacDrawingClientHelper focus( this ) ;
            if ( focus.Ok() )
            {
                child->MacEraseBackground( &clientrect ) ;
            }
        }
    }
*/
}

void wxWindowMac::Refresh(bool eraseBack, const wxRect *rect)
{
//    if ( !IsShown() )
//        return ;
        
    wxMacDrawingClientHelper focus( this ) ;
    if ( focus.Ok() )
    {
        wxPoint client ;
        client = GetClientAreaOrigin( ) ;
        Rect clientrect = { -client.y , -client.x , m_height - client.y , m_width - client.x} ;
        // ClipRect( &clientrect ) ;

        if ( rect )
        {
            Rect r = { rect->y , rect->x , rect->y + rect->height , rect->x + rect->width } ;
            SectRect( &clientrect , &r , &clientrect ) ;        
        }
        InvalWindowRect( GetMacRootWindow() , &clientrect ) ;
    }
    if ( !eraseBack )
        m_macEraseOnRedraw = false ;
    else
        m_macEraseOnRedraw = true ;
}

// Responds to colour changes: passes event on to children.
void wxWindowMac::OnSysColourChanged(wxSysColourChangedEvent& event)
{
    wxNode *node = GetChildren().First();
    while ( node )
    {
        // Only propagate to non-top-level windows
        wxWindowMac *win = (wxWindowMac *)node->Data();
        if ( win->GetParent() )
        {
            wxSysColourChangedEvent event2;
            event.m_eventObject = win;
            win->GetEventHandler()->ProcessEvent(event2);
        }

        node = node->Next();
    }
}

#if wxUSE_CARET && WXWIN_COMPATIBILITY
// ---------------------------------------------------------------------------
// Caret manipulation
// ---------------------------------------------------------------------------

void wxWindowMac::CreateCaret(int w, int h)
{
    SetCaret(new wxCaret(this, w, h));
}

void wxWindowMac::CreateCaret(const wxBitmap *WXUNUSED(bitmap))
{
    wxFAIL_MSG("not implemented");
}

void wxWindowMac::ShowCaret(bool show)
{
    wxCHECK_RET( m_caret, "no caret to show" );

    m_caret->Show(show);
}

void wxWindowMac::DestroyCaret()
{
    SetCaret(NULL);
}

void wxWindowMac::SetCaretPos(int x, int y)
{
    wxCHECK_RET( m_caret, "no caret to move" );

    m_caret->Move(x, y);
}

void wxWindowMac::GetCaretPos(int *x, int *y) const
{
    wxCHECK_RET( m_caret, "no caret to get position of" );

    m_caret->GetPosition(x, y);
}
#endif // wxUSE_CARET

wxWindowMac *wxGetActiveWindow()
{
    // actually this is a windows-only concept
    return NULL;
}

// Coordinates relative to the window
void wxWindowMac::WarpPointer (int x_pos, int y_pos)
{
    // We really dont move the mouse programmatically under mac
}

void wxWindowMac::OnEraseBackground(wxEraseEvent& event)
{
    // TODO : probably we would adopt the EraseEvent structure
}

int wxWindowMac::GetScrollPos(int orient) const
{
        if ( orient == wxHORIZONTAL )
        {
            if ( m_hScrollBar )
                return m_hScrollBar->GetThumbPosition() ;
        }
        else
        {
            if ( m_vScrollBar )
                return m_vScrollBar->GetThumbPosition() ;
        }
    return 0;
}

// This now returns the whole range, not just the number
// of positions that we can scroll.
int wxWindowMac::GetScrollRange(int orient) const
{
        if ( orient == wxHORIZONTAL )
        {
            if ( m_hScrollBar )
                return m_hScrollBar->GetRange() ;
        }
        else
        {
            if ( m_vScrollBar )
                return m_vScrollBar->GetRange() ;
        }
    return 0;
}

int wxWindowMac::GetScrollThumb(int orient) const
{
        if ( orient == wxHORIZONTAL )
        {
            if ( m_hScrollBar )
                return m_hScrollBar->GetThumbSize() ;
        }
        else
        {
            if ( m_vScrollBar )
                return m_vScrollBar->GetThumbSize() ;
        }
    return 0;
}

void wxWindowMac::SetScrollPos(int orient, int pos, bool refresh)
{
        if ( orient == wxHORIZONTAL )
        {
            if ( m_hScrollBar )
                m_hScrollBar->SetThumbPosition( pos ) ;
        }
        else
        {
            if ( m_vScrollBar )
                m_vScrollBar->SetThumbPosition( pos ) ;
        }
}

void  wxWindowMac::MacCreateRealWindow( const wxString& title,
           const wxPoint& pos,
           const wxSize& size,
           long style,
           const wxString& name ) 
{
  SetName(name);
  m_windowStyle = style;
  m_isShown = FALSE;

  // 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_width = 20;
  m_height = size.y;
    if (m_height == -1) 
        m_height = 20;

    m_macWindowData = new MacWindowData() ;

    ::SetRect(&theBoundsRect, m_x, m_y , m_x + m_width, m_y + m_height);

    // translate the window attributes in the appropriate window class and attributes

    WindowClass wclass = 0;
    WindowAttributes attr = kWindowNoAttributes ;
    
    if ( HasFlag(wxTINY_CAPTION_HORIZ) ||  HasFlag(wxTINY_CAPTION_VERT) )
    {
        wclass = kFloatingWindowClass ;
        if ( HasFlag(wxTINY_CAPTION_VERT) )
        {
            attr |= kWindowSideTitlebarAttribute ;
        }
    }
    else if ( HasFlag( wxCAPTION ) )
    {
        if ( HasFlag( wxDIALOG_MODAL ) )
        {
            wclass = kMovableModalWindowClass ;
        }
        else 
        {
            wclass = kDocumentWindowClass ;
        }
    }
    else
    {
        wclass = kModalWindowClass ;
    }
    
    if ( HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) )
    {
        attr |= kWindowFullZoomAttribute ;
        attr |= kWindowCollapseBoxAttribute ;
    }
    if ( HasFlag( wxRESIZE_BORDER ) )
    {
        attr |= kWindowResizableAttribute ;
    }
    if ( HasFlag( wxSYSTEM_MENU ) )
    {
        attr |= kWindowCloseBoxAttribute ;
    }
    
    ::CreateNewWindow( wclass , attr , &theBoundsRect , &m_macWindowData->m_macWindow ) ;
    wxAssociateWinWithMacWindow( m_macWindowData->m_macWindow , this ) ;
    wxString label ;
    if( wxApp::s_macDefaultEncodingIsPC )
        label = wxMacMakeMacStringFromPC( title ) ;
    else
        label = title ;
    UMASetWTitleC( m_macWindowData->m_macWindow , label ) ;
    ::CreateRootControl( m_macWindowData->m_macWindow , &m_macWindowData->m_macRootControl ) ;

    m_macWindowData->m_macFocus = NULL ;
    m_macWindowData->m_macHasReceivedFirstActivate = true ;
}

void wxWindowMac::MacPaint( wxPaintEvent &event ) 
{
}

void wxWindowMac::MacPaintBorders( ) 
{
    if( m_macWindowData )
        return ;
        
    RGBColor white = { 0xFFFF, 0xFFFF , 0xFFFF } ;
    RGBColor black = { 0x0000, 0x0000 , 0x0000 } ;
    RGBColor face = { 0xDDDD, 0xDDDD , 0xDDDD } ;
    RGBColor shadow = { 0x4444, 0x4444 , 0x4444 } ;
    PenNormal() ;

    if (HasFlag(wxRAISED_BORDER) || HasFlag( wxSUNKEN_BORDER) || HasFlag(wxDOUBLE_BORDER) )
    {
        bool sunken = HasFlag( wxSUNKEN_BORDER ) ;
        RGBForeColor( &face );
        MoveTo( 0 , m_height - 2 );
        LineTo( 0 , 0 );
        LineTo( m_width - 2 , 0 );

        MoveTo( 2 , m_height - 3 );
        LineTo( m_width - 3 , m_height - 3 );
        LineTo( m_width - 3 , 2 );

        RGBForeColor( sunken ? &face : &black );
        MoveTo( 0 , m_height - 1 );
        LineTo( m_width - 1 , m_height - 1 );
        LineTo( m_width - 1 , 0 );

        RGBForeColor( sunken ? &shadow : &white );
        MoveTo( 1 , m_height - 3 );
        LineTo( 1, 1 );
        LineTo( m_width - 3 , 1 );

        RGBForeColor( sunken ? &white : &shadow );
        MoveTo( 1 , m_height - 2 );
        LineTo( m_width - 2 , m_height - 2 );
        LineTo( m_width - 2 , 1 );

        RGBForeColor( sunken ? &black : &face );
        MoveTo( 2 , m_height - 4 );
        LineTo( 2 , 2 );
        LineTo( m_width - 4 , 2 );
    }
    else if (HasFlag(wxSIMPLE_BORDER))
    {
        Rect rect = { 0 , 0 , m_height , m_width } ;
        RGBForeColor( &black ) ;
        FrameRect( &rect ) ;
    }
}

// New function that will replace some of the above.
void wxWindowMac::SetScrollbar(int orient, int pos, int thumbVisible,
    int range, bool refresh)
{
        if ( orient == wxHORIZONTAL )
        {
            if ( m_hScrollBar )
            {
                if ( range == 0 || thumbVisible >= range )
                {
                    if ( m_hScrollBar->IsShown() )
                        m_hScrollBar->Show(false) ;
                }
                else
                {
                    if ( !m_hScrollBar->IsShown() )
                        m_hScrollBar->Show(true) ;
                    m_hScrollBar->SetScrollbar( pos , thumbVisible , range , thumbVisible , refresh ) ;
                }
            }
        }
        else
        {
            if ( m_vScrollBar )
            {
                if ( range == 0 || thumbVisible >= range )
                {
                    if ( m_vScrollBar->IsShown() )
                        m_vScrollBar->Show(false) ;
                }
                else
                {
                    if ( !m_vScrollBar->IsShown() )
                        m_vScrollBar->Show(true) ;
                    m_vScrollBar->SetScrollbar( pos , thumbVisible , range , thumbVisible , refresh ) ;
                }
            }
        }
        MacRepositionScrollBars() ;
}

// Does a physical scroll
void wxWindowMac::ScrollWindow(int dx, int dy, const wxRect *rect)
{
    wxMacDrawingClientHelper focus( this ) ;
    if ( focus.Ok() )
    {
        int width , height ;
        GetClientSize( &width , &height ) ;

        Rect scrollrect = { 0 , 0 , height , width } ;
    
        RgnHandle updateRgn = NewRgn() ;
        ClipRect( &scrollrect ) ;
        if ( rect )
        {
            Rect r = { rect->y , rect->x , rect->y + rect->height , rect->x + rect->width } ;
            SectRect( &scrollrect , &r , &scrollrect ) ;        
        }
        ScrollRect( &scrollrect , dx , dy , updateRgn ) ;
        InvalWindowRgn( GetMacRootWindow() ,  updateRgn ) ;
        DisposeRgn( updateRgn ) ;
    }
    
    for (wxNode *node = GetChildren().First(); node; node = node->Next())
    {
        wxWindowMac *child = (wxWindowMac*)node->Data();
        if (child == m_vScrollBar) continue;
        if (child == m_hScrollBar) continue;
        if (child->IsTopLevel()) continue;
        int x,y;
        child->GetPosition( &x, &y );
        int w,h;
        child->GetSize( &w, &h );
        child->SetSize( x+dx, y+dy, w, h );
    }
    
}

void wxWindowMac::MacOnScroll(wxScrollEvent &event )
{
    if ( event.m_eventObject == m_vScrollBar || event.m_eventObject == m_hScrollBar )
    {
        wxScrollWinEvent wevent;
        wevent.SetPosition(event.GetPosition());
        wevent.SetOrientation(event.GetOrientation());
        wevent.m_eventObject = this;
    
        if (event.m_eventType == wxEVT_SCROLL_TOP) {
            wevent.m_eventType = wxEVT_SCROLLWIN_TOP;
        } else
        if (event.m_eventType == wxEVT_SCROLL_BOTTOM) {
            wevent.m_eventType = wxEVT_SCROLLWIN_BOTTOM;
        } else
        if (event.m_eventType == wxEVT_SCROLL_LINEUP) {
            wevent.m_eventType = wxEVT_SCROLLWIN_LINEUP;
        } else
        if (event.m_eventType == wxEVT_SCROLL_LINEDOWN) {
            wevent.m_eventType = wxEVT_SCROLLWIN_LINEDOWN;
        } else
        if (event.m_eventType == wxEVT_SCROLL_PAGEUP) {
            wevent.m_eventType = wxEVT_SCROLLWIN_PAGEUP;
        } else
        if (event.m_eventType == wxEVT_SCROLL_PAGEDOWN) {
            wevent.m_eventType = wxEVT_SCROLLWIN_PAGEDOWN;
        } else
        if (event.m_eventType == wxEVT_SCROLL_THUMBTRACK) {
            wevent.m_eventType = wxEVT_SCROLLWIN_THUMBTRACK;
        }
        
        GetEventHandler()->ProcessEvent(wevent);
    }
}

bool wxWindowMac::SetFont(const wxFont& font)
{
    if ( !wxWindowBase::SetFont(font) )
    {
        // nothing to do
        return FALSE;
    }

    return TRUE;
}

// Get the window with the focus
wxWindowMac *wxWindowBase::FindFocus()
{
    return gFocusWindow ;
}

#if WXWIN_COMPATIBILITY
// If nothing defined for this, try the parent.
// E.g. we may be a button loaded from a resource, with no callback function
// defined.
void wxWindowMac::OnCommand(wxWindowMac& win, wxCommandEvent& event)
{
    if ( GetEventHandler()->ProcessEvent(event)  )
        return;
    if ( m_parent )
        m_parent->GetEventHandler()->OnCommand(win, event);
}
#endif // WXWIN_COMPATIBILITY_2

#if WXWIN_COMPATIBILITY
wxObject* wxWindowMac::GetChild(int number) const
{
    // Return a pointer to the Nth object in the Panel
    wxNode *node = GetChildren().First();
    int n = number;
    while (node && n--)
        node = node->Next();
    if ( node )
    {
        wxObject *obj = (wxObject *)node->Data();
        return(obj);
    }
    else
        return NULL;
}
#endif // WXWIN_COMPATIBILITY

void wxWindowMac::OnSetFocus(wxFocusEvent& event)
{
    // panel wants to track the window which was the last to have focus in it,
    // so we want to set ourselves as the window which last had focus
    //
    // notice that it's also important to do it upwards the tree becaus
    // otherwise when the top level panel gets focus, it won't set it back to
    // us, but to some other sibling
    
    // CS:don't know if this is still needed:
    //wxChildFocusEvent eventFocus(this);
    //(void)GetEventHandler()->ProcessEvent(eventFocus);

    event.Skip();
}

void wxWindowMac::Clear()
{
    if ( m_macWindowData )
    {
        wxMacDrawingClientHelper helper ( this ) ;
        int w ,h ;
        wxPoint origin = GetClientAreaOrigin() ;
        GetClientSize( &w , &h ) ;
        ::SetThemeWindowBackground( m_macWindowData->m_macWindow , m_macWindowData->m_macWindowBackgroundTheme , false ) ;
        Rect r = { origin.y , origin.x, origin.y+h , origin.x+w } ;
        EraseRect( &r ) ;
    }
    else
    {
        wxClientDC dc(this);
        wxBrush brush(GetBackgroundColour(), wxSOLID);
        dc.SetBackground(brush);
        dc.Clear();
    }
}

// Setup background and foreground colours correctly
void wxWindowMac::SetupColours()
{
    if ( GetParent() )
        SetBackgroundColour(GetParent()->GetBackgroundColour());
}

void wxWindowMac::OnIdle(wxIdleEvent& event)
{
/*
   // Check if we need to send a LEAVE event
   if (m_mouseInWindow)
   {
       POINT pt;
       ::GetCursorPos(&pt);
       if (::WindowFromPoint(pt) != (HWND) GetHWND())
       {
           // Generate a LEAVE event
           m_mouseInWindow = FALSE;
           MSWOnMouseLeave(pt.x, pt.y, 0);
       }
    }
*/

    // This calls the UI-update mechanism (querying windows for
    // menu/toolbar/control state information)
    UpdateWindowUI();
}

// Raise the window to the top of the Z order
void wxWindowMac::Raise()
{
    if ( m_macWindowData )
    {
        ::BringToFront( m_macWindowData->m_macWindow ) ;
    }
}

// Lower the window to the bottom of the Z order
void wxWindowMac::Lower()
{
    if ( m_macWindowData )
    {
        ::SendBehind( m_macWindowData->m_macWindow , NULL ) ;
    }
}

void wxWindowMac::DoSetClientSize(int width, int height)
{
    if ( width != -1 || height != -1 )
    {
        
        if ( width != -1 && m_vScrollBar )
            width += MAC_SCROLLBAR_SIZE ;
        if ( height != -1 && m_vScrollBar )
            height += MAC_SCROLLBAR_SIZE ;

        width += MacGetLeftBorderSize(  ) + MacGetRightBorderSize( ) ;
        height += MacGetTopBorderSize(  ) + MacGetBottomBorderSize( ) ;

        DoSetSize( -1 , -1 , width , height ) ;
    }
}


wxWindowMac* wxWindowMac::s_lastMouseWindow = NULL ;

bool wxWindowMac::MacGetWindowFromPointSub( const wxPoint &point , wxWindowMac** outWin ) 
{
    if ((point.x < m_x) || (point.y < m_y) ||
        (point.x > (m_x + m_width)) || (point.y > (m_y + m_height)))
        return FALSE;
    
    WindowRef window = GetMacRootWindow() ;

    wxPoint newPoint( point ) ;

    newPoint.x -= m_x;
    newPoint.y -= m_y;
    
    for (wxNode *node = GetChildren().First(); node; node = node->Next())
    {
        wxWindowMac *child = (wxWindowMac*)node->Data();
        // added the m_isShown test --dmazzoni
        if ( child->GetMacRootWindow() == window && child->m_isShown )
        {
            if (child->MacGetWindowFromPointSub(newPoint , outWin ))
                return TRUE;
        }
    }

    *outWin = this ;
    return TRUE;
}

bool wxWindowMac::MacGetWindowFromPoint( const wxPoint &screenpoint , wxWindowMac** outWin ) 
{
    WindowRef window ;
    Point pt = { screenpoint.y , screenpoint.x } ;
    if ( ::FindWindow( pt , &window ) == 3 )
    {
            wxPoint point( screenpoint ) ;
            wxWindowMac* win = wxFindWinFromMacWindow( window ) ;
            if ( win )
            {
            win->ScreenToClient( point ) ;
            return win->MacGetWindowFromPointSub( point , outWin ) ;
    }
    }
    return FALSE ;
}

extern int wxBusyCursorCount ;

bool wxWindowMac::MacDispatchMouseEvent(wxMouseEvent& event)
{
    if ((event.m_x < m_x) || (event.m_y < m_y) ||
        (event.m_x > (m_x + m_width)) || (event.m_y > (m_y + m_height)))
        return FALSE;
    

    if ( IsKindOf( CLASSINFO ( wxStaticBox ) ) )
        return FALSE ; 
    
    WindowRef window = GetMacRootWindow() ;

    event.m_x -= m_x;
    event.m_y -= m_y;
    
    int x = event.m_x ;
    int y = event.m_y ;

    for (wxNode *node = GetChildren().First(); node; node = node->Next())
    {
        wxWindowMac *child = (wxWindowMac*)node->Data();
        if ( child->GetMacRootWindow() == window && child->IsShown() && child->IsEnabled() )
        {
            if (child->MacDispatchMouseEvent(event))
                return TRUE;
        }
    }

    event.m_x = x ;
    event.m_y = y ;
    
    if ( wxBusyCursorCount == 0 )
    {
        m_cursor.MacInstall() ;
    }
    
    if ( event.GetEventType() == wxEVT_LEFT_DOWN )
    {
        // set focus to this window
        if (AcceptsFocus() && FindFocus()!=this)
            SetFocus();
    }
    
#if wxUSE_TOOLTIPS
    if ( event.GetEventType() == wxEVT_MOTION 
            || event.GetEventType() == wxEVT_ENTER_WINDOW
            || event.GetEventType() == wxEVT_LEAVE_WINDOW )
        wxToolTip::RelayEvent( this , event);
#endif // wxUSE_TOOLTIPS
    GetEventHandler()->ProcessEvent( event ) ;
    return TRUE;
}

Point lastWhere ;
long lastWhen = 0 ;

wxString wxWindowMac::MacGetToolTipString( wxPoint &pt )
{
    if ( m_tooltip )
    {
        return m_tooltip->GetTip() ;
    }
    return "" ;
}
void wxWindowMac::MacFireMouseEvent( EventRecord *ev )
{
    wxMouseEvent event(wxEVT_LEFT_DOWN);
    bool isDown = !(ev->modifiers & btnState) ; // 1 is for up
    bool controlDown = ev->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 ( controlDown )
            event.SetEventType(wxEVT_RIGHT_DOWN ) ;
        else
            event.SetEventType(wxEVT_LEFT_DOWN ) ;
    }
    else if ( ev->what == mouseUp )
    {
        if ( controlDown )
            event.SetEventType(wxEVT_RIGHT_UP ) ;
        else
            event.SetEventType(wxEVT_LEFT_UP ) ;
    }
    else
    {
        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;

    Point       localwhere = ev->where ;
        
    GrafPtr     port ;  
    ::GetPort( &port ) ;
    ::SetPort( UMAGetWindowPort( m_macWindowData->m_macWindow ) ) ;
    ::GlobalToLocal( &localwhere ) ;
    ::SetPort( port ) ;

    if ( ev->what == mouseDown )
    {
        if ( ev->when - lastWhen <= GetDblTime() )
        {
            if ( abs( localwhere.h - lastWhere.h ) < 3 || abs( localwhere.v - lastWhere.v ) < 3 )
            {
                if ( controlDown )
                    event.SetEventType(wxEVT_RIGHT_DCLICK ) ;
                else
                    event.SetEventType(wxEVT_LEFT_DCLICK ) ;
            }
            lastWhen = 0 ;
        }
        else
        {
            lastWhen = ev->when ;
        }
        lastWhere = localwhere ;
    }

    event.m_x = localwhere.h;
    event.m_y = localwhere.v;
    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.SetEventObject(this);
    if ( wxTheApp->s_captureWindow )
    {
        int x = event.m_x ;
        int y = event.m_y ;
        wxTheApp->s_captureWindow->ScreenToClient( &x , &y ) ;
        event.m_x = x ;
        event.m_y = y ;
        wxTheApp->s_captureWindow->GetEventHandler()->ProcessEvent( event ) ;
        if ( ev->what == mouseUp )
        {
            wxTheApp->s_captureWindow = NULL ;
            if ( wxBusyCursorCount == 0 )
            {
                m_cursor.MacInstall() ;
            }
        }
    }
    else
    {
        MacDispatchMouseEvent( event ) ;
    }
}

void wxWindowMac::MacMouseDown( EventRecord *ev , short part)
{
    MacFireMouseEvent( ev ) ;
}

void wxWindowMac::MacMouseUp( EventRecord *ev , short part)
{
    switch (part)
    {
        case inContent:     
            {
                MacFireMouseEvent( ev ) ;
            }
            break ;
    }
}

void wxWindowMac::MacMouseMoved( EventRecord *ev , short part)
{
    switch (part)
    {
        case inContent:     
            {
                MacFireMouseEvent( ev ) ;
            }
            break ;
    }
}
void wxWindowMac::MacActivate( EventRecord *ev , bool inIsActivating )
{
    if ( !m_macWindowData->m_macHasReceivedFirstActivate )
        m_macWindowData->m_macHasReceivedFirstActivate = true ;
    
    wxActivateEvent event(wxEVT_ACTIVATE, inIsActivating , m_windowId);
    event.m_timeStamp = ev->when ;
    event.SetEventObject(this);
    
    GetEventHandler()->ProcessEvent(event);
    
    Refresh(false) ;
    UMAHighlightAndActivateWindow( m_macWindowData->m_macWindow , inIsActivating ) ;
//  MacUpdateImmediately() ;
}

void wxWindowMac::MacRedraw( RgnHandle updatergn , long time)
{
    // updatergn is always already clipped to our boundaries
    WindowRef window = GetMacRootWindow() ;
    // ownUpdateRgn is the area that this window has to invalidate i.e. its own area without its children
    RgnHandle ownUpdateRgn = NewRgn() ;
    CopyRgn( updatergn , ownUpdateRgn ) ;

    {
        wxMacDrawingHelper focus( this ) ; // was client
        if ( focus.Ok() )
        {
            WindowRef window = GetMacRootWindow() ;
            bool eraseBackground = false ;
            if ( m_macWindowData )
                eraseBackground = true ;
            if ( m_backgroundColour == wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE) )
            {
                    ::SetThemeWindowBackground( window , kThemeBrushDocumentWindowBackground , false ) ;
            }
            else if (  m_backgroundColour == wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE ) )
            {
                    // on mac we have the difficult situation, that 3dface gray can be different colours, depending whether
                    // it is on a notebook panel or not, in order to take care of that we walk up the hierarchy until we have
                    // either a non gray background color or a non control window
        

                    wxWindowMac* parent = GetParent() ;
                    while( parent )
                    {
                        if ( parent->GetMacRootWindow() != window )
                        {
                            // we are in a different window on the mac system
                            parent = NULL ;
                            break ;
                        }
                        
                        if( parent->IsKindOf( CLASSINFO( wxControl ) ) && ((wxControl*)parent)->GetMacControl() )
                        {
                            if ( parent->m_backgroundColour != wxSystemSettings::GetSystemColour(wxSYS_COLOUR_3DFACE ) )
                            {
                                // if we have any other colours in the hierarchy
                                RGBBackColor( &parent->m_backgroundColour.GetPixel()) ;
                                break ;
                            }
                            // if we have the normal colours in the hierarchy but another control etc. -> use it's background
                            if ( parent->IsKindOf( CLASSINFO( wxNotebook ) ) || parent->IsKindOf( CLASSINFO( wxTabCtrl ) ))
                            {
                                Rect box ;
                                GetRegionBounds( updatergn , &box) ;
                                ::ApplyThemeBackground(kThemeBackgroundTabPane, &box , kThemeStateActive,8,true);
                                break ;
                            }
                        }
                        else
                        {
                            parent = NULL ;
                            break ;
                        }
                        parent = parent->GetParent() ;
                    }
                    if ( !parent )
                    {
                        // if there is nothing special -> use default
                        ::SetThemeWindowBackground( window , kThemeBrushDialogBackgroundActive , false ) ;
                    }
            }
            else
            {
                RGBBackColor( &m_backgroundColour.GetPixel()) ;
            }
            // subtract all non transparent children from updatergn
            
            RgnHandle childarea = NewRgn() ;
            for (wxNode *node = GetChildren().First(); node; node = node->Next())
            {
                wxWindowMac *child = (wxWindowMac*)node->Data();
                // eventually test for transparent windows
                if ( child->GetMacRootWindow() == window && child->IsShown() )
                {
                    if ( child->GetBackgroundColour() != m_backgroundColour && !child->IsKindOf( CLASSINFO( wxControl ) ) && ((wxControl*)child)->GetMacControl() )
                    {
                        SetRectRgn( childarea , child->m_x , child->m_y , child->m_x + child->m_width ,  child->m_y + child->m_height ) ;
                        DiffRgn( ownUpdateRgn , childarea , ownUpdateRgn ) ;
                    }
                }
            }       
            DisposeRgn( childarea ) ;

            if ( GetParent() && m_backgroundColour != GetParent()->GetBackgroundColour() )
                eraseBackground = true ;
            SetClip( ownUpdateRgn ) ;
            if ( m_macEraseOnRedraw ) {
                if ( eraseBackground  )
                {
                    EraseRgn( ownUpdateRgn ) ;  
                }
            }
            else {
                m_macEraseOnRedraw = true ;
            }
        }

        {
            RgnHandle newupdate = NewRgn() ;
            wxSize point = GetClientSize() ;
            wxPoint origin = GetClientAreaOrigin() ;

            SetRectRgn( newupdate , origin.x , origin.y , origin.x + point.x , origin.y+point.y ) ;
            SectRgn( newupdate , ownUpdateRgn , newupdate ) ;
            OffsetRgn( newupdate , -origin.x , -origin.y ) ;
            m_updateRegion = newupdate ;
            DisposeRgn( newupdate ) ;
        }

        MacPaintBorders() ;
        wxPaintEvent event;
        event.m_timeStamp = time ;
        event.SetEventObject(this);
        GetEventHandler()->ProcessEvent(event);
    }
    
    
    RgnHandle childupdate = NewRgn() ;
            
    for (wxNode *node = GetChildren().First(); node; node = node->Next())
    {
        wxWindowMac *child = (wxWindowMac*)node->Data();
        SetRectRgn( childupdate , child->m_x , child->m_y , child->m_x + child->m_width ,  child->m_y + child->m_height ) ;
        SectRgn( childupdate , updatergn , childupdate ) ;
        OffsetRgn( childupdate , -child->m_x , -child->m_y ) ;
        if ( child->GetMacRootWindow() == window && child->IsShown() && !EmptyRgn( childupdate ) )
        {
            // because dialogs may also be children
            child->MacRedraw( childupdate , time ) ;
        }
    }
    DisposeRgn( childupdate ) ;
    // eventually a draw grow box here
}

void wxWindowMac::MacUpdateImmediately()
{
    WindowRef window = GetMacRootWindow() ;
    if ( window )
    {
        wxWindowMac* win = wxFindWinFromMacWindow( window ) ;
        #if TARGET_CARBON
        AGAPortHelper help( GetWindowPort(window) ) ;
        #else
        AGAPortHelper help( (window) ) ;
        #endif
        SetOrigin( 0 , 0 ) ;
        BeginUpdate( window ) ;
        if ( win )
        {
            RgnHandle       region = NewRgn();
            
            if ( region )
            {
                GetPortVisibleRegion( GetWindowPort( window ), region );

                // if windowshade gives incompatibility , take the follwing out
                if ( !EmptyRgn( region ) && win->m_macWindowData->m_macHasReceivedFirstActivate )
                {
                    win->MacRedraw( region , wxTheApp->sm_lastMessageTime ) ;
                }
                DisposeRgn( region );
            }
        }
        EndUpdate( window ) ;
    }
}

void wxWindowMac::MacUpdate( EventRecord *ev )
{
    WindowRef window = (WindowRef) ev->message ;
    wxWindowMac * win = wxFindWinFromMacWindow( window ) ;
    #if TARGET_CARBON
    AGAPortHelper help( GetWindowPort(window) ) ;
    #else
    AGAPortHelper help( (window) ) ;
    #endif
    SetOrigin( 0 , 0 ) ;
    BeginUpdate( window ) ;
    if ( win )
    {
        RgnHandle       region = NewRgn();
        
        if ( region )
        {
            GetPortVisibleRegion( GetWindowPort( window ), region );

            // if windowshade gives incompatibility , take the follwing out
            if ( !EmptyRgn( region ) && win->m_macWindowData->m_macHasReceivedFirstActivate )
            {
                MacRedraw( region , ev->when ) ;
            }
            DisposeRgn( region );
        }
    }
    EndUpdate( window ) ;
}

WindowRef wxWindowMac::GetMacRootWindow() const
{
    wxWindowMac *iter = (wxWindowMac*)this ;
    
    while( iter )
    {
        if ( iter->m_macWindowData )
            return iter->m_macWindowData->m_macWindow ;

        iter = iter->GetParent() ;
    } 
    wxASSERT_MSG( 1 , "No valid mac root window" ) ;
    return NULL ;
}

void wxWindowMac::MacCreateScrollBars( long style ) 
{
    wxASSERT_MSG( m_vScrollBar == NULL && m_hScrollBar == NULL , "attempt to create window twice" ) ;
    
    bool hasBoth = ( style & wxVSCROLL ) && ( style & wxHSCROLL ) ;
    int adjust = hasBoth ? MAC_SCROLLBAR_SIZE - 1: 0 ;
    int width, height ;
    GetClientSize( &width , &height ) ;
    
    wxPoint vPoint(width-MAC_SCROLLBAR_SIZE, 0) ;
    wxSize vSize(MAC_SCROLLBAR_SIZE, height - adjust) ;
    wxPoint hPoint(0 , height-MAC_SCROLLBAR_SIZE ) ;
    wxSize hSize( width - adjust, MAC_SCROLLBAR_SIZE) ;
    
    m_vScrollBar = new wxScrollBar(this, wxWINDOW_VSCROLL, vPoint, 
        vSize , wxVERTICAL);

    if ( style & wxVSCROLL )
    {
        
    }
    else
    {
        m_vScrollBar->Show(false) ;
    }
    m_hScrollBar = new wxScrollBar(this, wxWINDOW_HSCROLL, hPoint, 
        hSize , wxHORIZONTAL);
    if ( style  & wxHSCROLL )
    {
    }
    else
    {
        m_hScrollBar->Show(false) ;
    }
    
    // because the create does not take into account the client area origin
    MacRepositionScrollBars() ; // we might have a real position shift
}

void wxWindowMac::MacRepositionScrollBars()
{
    bool hasBoth = ( m_hScrollBar && m_hScrollBar->IsShown()) && ( m_vScrollBar && m_vScrollBar->IsShown()) ;
    int adjust = hasBoth ? MAC_SCROLLBAR_SIZE - 1 : 0 ;
    
    // get real client area
    
    int width = m_width ; 
    int height = m_height ;

    width -= MacGetLeftBorderSize() + MacGetRightBorderSize();
    height -= MacGetTopBorderSize() + MacGetBottomBorderSize();
    
    wxPoint vPoint(width-MAC_SCROLLBAR_SIZE, 0) ;
    wxSize vSize(MAC_SCROLLBAR_SIZE, height - adjust) ;
    wxPoint hPoint(0 , height-MAC_SCROLLBAR_SIZE ) ;
    wxSize hSize( width - adjust, MAC_SCROLLBAR_SIZE) ;
    
    int x = 0 ; 
    int y = 0 ;
    int w = m_width ;
    int h = m_height ;
    
    MacClientToRootWindow( &x , &y ) ;
    MacClientToRootWindow( &w , &h ) ;
    
    wxWindowMac *iter = (wxWindowMac*)this ;
    
    int totW = 10000 , totH = 10000;
    while( iter )
    {
        if ( iter->m_macWindowData )
        {
            totW = iter->m_width ;
            totH = iter->m_height ;
            break ;
        }

        iter = iter->GetParent() ;
    } 
    
    if ( x == 0 )
    {
        hPoint.x = -1 ;
        hSize.x += 1 ;
    }
    if ( y == 0 )
    {
        vPoint.y = -1 ;
        vSize.y += 1 ;
    }
    
    if ( w-x >= totW )
    {
        hSize.x += 1 ;
        vPoint.x += 1 ;
    }
    
    if ( h-y >= totH )
    {
        vSize.y += 1 ;
        hPoint.y += 1 ;
    }

    if ( m_vScrollBar )
    {
        m_vScrollBar->SetSize( vPoint.x , vPoint.y, vSize.x, vSize.y , wxSIZE_ALLOW_MINUS_ONE);
    }
    if ( m_hScrollBar )
    {
        m_hScrollBar->SetSize( hPoint.x , hPoint.y, hSize.x, hSize.y, wxSIZE_ALLOW_MINUS_ONE);
    }
}

void wxWindowMac::MacKeyDown( EventRecord *ev ) 
{

}


bool wxWindowMac::AcceptsFocus() const
{
    return MacCanFocus() && wxWindowBase::AcceptsFocus();
}

ControlHandle wxWindowMac::MacGetContainerForEmbedding() 
{
    if ( m_macWindowData )
        return m_macWindowData->m_macRootControl ;
    else
        return GetParent()->MacGetContainerForEmbedding() ;
}

void wxWindowMac::MacSuperChangedPosition() 
{
    // only window-absolute structures have to be moved i.e. controls

    wxNode *node = GetChildren().First();
    while ( node )
    {
        wxWindowMac *child = (wxWindowMac *)node->Data();
        child->MacSuperChangedPosition() ;
        node = node->Next();
    }
}

void wxWindowMac::MacTopLevelWindowChangedPosition() 
{
    // only screen-absolute structures have to be moved i.e. glcanvas

    wxNode *node = GetChildren().First();
    while ( node )
    {
        wxWindowMac *child = (wxWindowMac *)node->Data();
        child->MacTopLevelWindowChangedPosition() ;
        node = node->Next();
    }
}

bool wxWindowMac::MacSetPortFocusParams( const Point & localOrigin, const Rect & clipRect, WindowRef window , wxWindowMac* win ) 
{
    if ( window == NULL )
        return false ;
        
    GrafPtr currPort;
    GrafPtr port ;

    ::GetPort(&currPort);
    port = UMAGetWindowPort( window) ;
    if (currPort != port )
            ::SetPort(port);
                
//  wxASSERT( port->portRect.left == 0 && port->portRect.top == 0 ) ; 
    ::SetOrigin(-localOrigin.h, -localOrigin.v);
    return true;            
}

bool wxWindowMac::MacSetPortDrawingParams( const Point & localOrigin, const Rect & clipRect, WindowRef window , wxWindowMac* win ) 
{
    if ( window == NULL )
        return false ;
        
    GrafPtr currPort;
    GrafPtr port ;
    ::GetPort(&currPort);
    port = UMAGetWindowPort( window) ;
    if (currPort != port )
            ::SetPort(port);
//  wxASSERT( port->portRect.left == 0 && port->portRect.top == 0 ) ; 
    ::SetOrigin(-localOrigin.h, -localOrigin.v);
    ::ClipRect(&clipRect);

    ::PenNormal() ;
    ::RGBBackColor(& win->GetBackgroundColour().GetPixel() ) ;
    ::RGBForeColor(& win->GetForegroundColour().GetPixel() ) ;
    Pattern whiteColor ;
    
    ::BackPat( GetQDGlobalsWhite( &whiteColor) ) ;
    ::SetThemeWindowBackground(  win->m_macWindowData->m_macWindow , win->m_macWindowData->m_macWindowBackgroundTheme ,  false ) ;
    return true;            
}

void wxWindowMac::MacGetPortParams(Point* localOrigin, Rect* clipRect, WindowRef *window  , wxWindowMac** rootwin) 
{
    if ( m_macWindowData )
    {
        localOrigin->h = 0;
        localOrigin->v = 0;
        clipRect->left = 0;
        clipRect->top = 0;
        clipRect->right = m_width;
        clipRect->bottom = m_height;
        *window = m_macWindowData->m_macWindow ;
        *rootwin = this ;
    }
    else
    {
        wxASSERT( GetParent() != NULL ) ;
        GetParent()->MacGetPortParams( localOrigin , clipRect , window, rootwin) ;
        localOrigin->h += m_x;
        localOrigin->v += m_y;
        OffsetRect(clipRect, -m_x, -m_y);
    
        Rect myClip;
        myClip.left = 0;
        myClip.top = 0;
        myClip.right = m_width;
        myClip.bottom = m_height;
        SectRect(clipRect, &myClip, clipRect);
    }
}

void wxWindowMac::MacDoGetPortClientParams(Point* localOrigin, Rect* clipRect, WindowRef *window , wxWindowMac** rootwin ) 
{
//  int width , height ;
//  GetClientSize( &width , &height ) ;
    
    if ( m_macWindowData )
    {
        localOrigin->h = 0;
        localOrigin->v = 0;
        clipRect->left = 0;
        clipRect->top = 0;
        clipRect->right = m_width ;//width;
        clipRect->bottom = m_height ;// height;
        *window = m_macWindowData->m_macWindow ;
        *rootwin = this ;
    }
    else
    {
        wxASSERT( GetParent() != NULL ) ;
        
        GetParent()->MacDoGetPortClientParams( localOrigin , clipRect , window, rootwin) ;

        localOrigin->h += m_x;
        localOrigin->v += m_y;
        OffsetRect(clipRect, -m_x, -m_y);
    
        Rect myClip;
        myClip.left = 0;
        myClip.top = 0;
        myClip.right = m_width ;//width;
        myClip.bottom = m_height ;// height;
        SectRect(clipRect, &myClip, clipRect);
    }
}

void wxWindowMac::MacGetPortClientParams(Point* localOrigin, Rect* clipRect, WindowRef *window , wxWindowMac** rootwin ) 
{
    MacDoGetPortClientParams( localOrigin , clipRect , window , rootwin ) ;

    int width , height ;
    GetClientSize( &width , &height ) ;
    wxPoint client ;
    client = GetClientAreaOrigin( ) ;
    
    localOrigin->h += client.x;
    localOrigin->v += client.y;
    OffsetRect(clipRect, -client.x, -client.y);

    Rect myClip;
    myClip.left = 0;
    myClip.top = 0;
    myClip.right = width;
    myClip.bottom = height;
    SectRect(clipRect, &myClip, clipRect);
}

long wxWindowMac::MacGetLeftBorderSize( ) const
{
    if( m_macWindowData )
        return 0 ;

    if (m_windowStyle & wxRAISED_BORDER || m_windowStyle & wxSUNKEN_BORDER )
    {
        return 3 ;
    }
    else if (  m_windowStyle &wxDOUBLE_BORDER)
    {
        return 3 ;
    }
    else if (m_windowStyle &wxSIMPLE_BORDER)
    {
        return 1 ;
    }
    return 0 ;
}

long wxWindowMac::MacGetRightBorderSize( ) const
{
    if( m_macWindowData )
        return 0 ;

    if (m_windowStyle & wxRAISED_BORDER || m_windowStyle & wxSUNKEN_BORDER )
    {
        return 3 ;
    }
    else if (  m_windowStyle &wxDOUBLE_BORDER)
    {
        return 3 ;
    }
    else if (m_windowStyle &wxSIMPLE_BORDER)
    {
        return 1 ;
    }
    return 0 ;
}

long wxWindowMac::MacGetTopBorderSize( ) const
{
    if( m_macWindowData )
        return 0 ;

    if (m_windowStyle & wxRAISED_BORDER || m_windowStyle & wxSUNKEN_BORDER )
    {
        return 3 ;
    }
    else if (  m_windowStyle &wxDOUBLE_BORDER)
    {
        return 3 ;
    }
    else if (m_windowStyle &wxSIMPLE_BORDER)
    {
        return 1 ;
    }
    return 0 ;
}

long wxWindowMac::MacGetBottomBorderSize( ) const
{
    if( m_macWindowData )
        return 0 ;

    if (m_windowStyle & wxRAISED_BORDER || m_windowStyle & wxSUNKEN_BORDER )
    {
        return 3 ;
    }
    else if (  m_windowStyle &wxDOUBLE_BORDER)
    {
        return 3 ;
    }
    else if (m_windowStyle &wxSIMPLE_BORDER)
    {
        return 1 ;
    }
    return 0 ;
}

long wxWindowMac::MacRemoveBordersFromStyle( long style ) 
{
    return style & ~( wxDOUBLE_BORDER | wxSUNKEN_BORDER | wxRAISED_BORDER | wxBORDER | wxSTATIC_BORDER ) ;
}


wxMacDrawingHelper::wxMacDrawingHelper( wxWindowMac * theWindow ) 
{
    m_ok = false ;
    Point localOrigin ;
    Rect clipRect ;
    WindowRef window ;
    wxWindowMac *rootwin ;
    m_currentPort = NULL ;
    
    GetPort( &m_formerPort ) ;
    if ( theWindow )
    {
        theWindow->MacGetPortParams( &localOrigin , &clipRect , &window , &rootwin) ;
        m_currentPort = UMAGetWindowPort( window ) ;
        if ( m_formerPort != m_currentPort )
            SetPort( m_currentPort ) ;
        GetPenState( &m_savedPenState ) ;
        theWindow->MacSetPortDrawingParams( localOrigin, clipRect, window , rootwin ) ; 
        m_ok = true ;
    }
}
    
wxMacDrawingHelper::~wxMacDrawingHelper() 
{
    if ( m_ok )
    {
        SetPort( m_currentPort ) ;
        SetPenState( &m_savedPenState ) ;
        SetOrigin( 0 , 0 ) ;
        Rect portRect ;
        GetPortBounds( m_currentPort , &portRect ) ;
        ClipRect( &portRect ) ;
    }
        
    if ( m_formerPort != m_currentPort )
        SetPort( m_formerPort ) ;
}

wxMacDrawingClientHelper::wxMacDrawingClientHelper( wxWindowMac * theWindow ) 
{
    m_ok = false ;
    Point localOrigin ;
    Rect clipRect ;
    WindowRef window ;
    wxWindowMac *rootwin ;
    m_currentPort = NULL ;
    
    GetPort( &m_formerPort ) ;

    if ( theWindow )
    {
        theWindow->MacGetPortClientParams( &localOrigin , &clipRect , &window , &rootwin) ;
        m_currentPort = UMAGetWindowPort( window ) ;
        if ( m_formerPort != m_currentPort )
            SetPort( m_currentPort ) ;
        GetPenState( &m_savedPenState ) ;
        theWindow->MacSetPortDrawingParams( localOrigin, clipRect, window , rootwin ) ; 
        m_ok = true ;
    }
}
    
wxMacDrawingClientHelper::~wxMacDrawingClientHelper() 
{
    if ( m_ok )
    {
        SetPort( m_currentPort ) ;
        SetPenState( &m_savedPenState ) ;
        SetOrigin( 0 , 0 ) ;
        Rect portRect ;
        GetPortBounds( m_currentPort , &portRect ) ;
        ClipRect( &portRect ) ;
    }
        
    if ( m_formerPort != m_currentPort )
        SetPort( m_formerPort ) ;
}

// Find the wxWindowMac at the current mouse position, returning the mouse
// position.
wxWindowMac* wxFindWindowAtPointer(wxPoint& pt)
{
    pt = wxGetMousePosition();
    wxWindowMac* found = wxFindWindowAtPoint(pt);
    return found;
}

// Get the current mouse position.
wxPoint wxGetMousePosition()
{
    int x, y;
    wxGetMousePosition(& x, & y);
    return wxPoint(x, y);
}