src/mac/window.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        windows.cpp
// Purpose:     wxWindow
// 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/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/button.h"
#include "wx/settings.h"
#include "wx/msgdlg.h"
#include "wx/frame.h"
#include "wx/notebook.h"
#include "wx/tabctrl.h"
// TODO remove the line below, just for lookup-up convenience CS
#include "wx/mac/window.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;
wxWindow* gFocusWindow = NULL ;

IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxEvtHandler)

BEGIN_EVENT_TABLE(wxWindow, wxEvtHandler)
  EVT_ERASE_BACKGROUND(wxWindow::OnEraseBackground)
  EVT_SYS_COLOUR_CHANGED(wxWindow::OnSysColourChanged)
  EVT_INIT_DIALOG(wxWindow::OnInitDialog)
  EVT_IDLE(wxWindow::OnIdle)
//  EVT_SCROLL(wxWindow::OnScroll)
END_EVENT_TABLE()


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

// ---------------------------------------------------------------------------
// wxWindow utility functions
// ---------------------------------------------------------------------------

// Find an item given the Macintosh Window Reference

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

void wxAssociateWinWithMacWindow(WindowRef inWindowRef, wxWindow *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(wxWindow *win)
{
    wxWinMacWindowList->DeleteObject(win);
}

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

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

    // 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_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
wxWindow::~wxWindow()
{
    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 )
	{
    	UMADisposeWindow( m_macWindowData->m_macWindow ) ;
    	delete m_macWindowData ;
    	wxRemoveMacWindowAssociation( this ) ;
    }
}

// Constructor
bool wxWindow::Create(wxWindow *parent, wxWindowID id,
           const wxPoint& pos,
           const wxSize& size,
           long style,
           const wxString& name)
{
    wxCHECK_MSG( parent, FALSE, wxT("can't create wxWindow 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 ) ;

    MacCreateScrollBars( style ) ;

    return TRUE;
}

void wxWindow::SetFocus()
{
	if ( AcceptsFocus() )
	{
		if (gFocusWindow )
		{
			#if wxUSE_CARET
			    // Deal with caret
			    if ( gFocusWindow->m_caret )
			    {
			          gFocusWindow->m_caret->OnKillFocus();
			    }
			#endif // wxUSE_CARET
			wxControl* control = wxDynamicCast( gFocusWindow , wxControl ) ;
			if ( control && control->GetMacControl() )
			{
				UMASetKeyboardFocus( gFocusWindow->GetMacRootWindow() , control->GetMacControl()  , kControlFocusNoPart ) ;
			}
	    	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
    		wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
    		if ( panel )
    		{
        		panel->SetLastFocus(this);
    		}
			wxControl* control = wxDynamicCast( gFocusWindow , wxControl ) ;
			if ( control && control->GetMacControl() )
			{
				UMASetKeyboardFocus( gFocusWindow->GetMacRootWindow() , control->GetMacControl()  , kControlEditTextPart ) ;
			}

	    	wxFocusEvent event(wxEVT_SET_FOCUS, m_windowId);
	    	event.SetEventObject(this);
			GetEventHandler()->ProcessEvent(event) ;
		}
	}
}

bool wxWindow::Enable(bool enable)
{
    if ( !wxWindowBase::Enable(enable) )
        return FALSE;
/*
    HWND hWnd = GetHwnd();
    if ( hWnd )
        ::EnableWindow(hWnd, (BOOL)enable);
*/

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

        node = node->GetNext();
    }

    return TRUE;
}

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

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

#if    wxUSE_DRAG_AND_DROP

void wxWindow::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 wxWindow::DragAcceptFiles(bool accept)
{
    // TODO
}

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

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


bool wxWindow::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;
}

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

	Point		localwhere ;
	localwhere.h = * x ;
	localwhere.v = * y ;

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

	*x = localwhere.h ;
	*y = localwhere.v ;

	MacRootWindowToClient( x , y ) ;
}

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

	MacClientToRootWindow( x , y ) ;

	Point		localwhere ;
	localwhere.h = * x ;
	localwhere.v = * y ;

	GrafPtr		port ;
	::GetPort( &port ) ;
	::SetPort( UMAGetWindowPort( window ) ) ;
	::LocalToGlobal( &localwhere ) ;
	::SetPort( port ) ;
	*x = localwhere.h ;
	*y = localwhere.v ;
}

void wxWindow::MacClientToRootWindow( int *x , int *y ) const
{
	if ( m_macWindowData )
	{
	}
	else
	{
		*x += m_x ;
		*y += m_y ;
		GetParent()->MacClientToRootWindow( x , y ) ;
	}
}

void wxWindow::MacRootWindowToClient( int *x , int *y ) const
{
	if ( m_macWindowData )
	{
	}
	else
	{
		*x -= m_x ;
		*y -= m_y ;
		GetParent()->MacRootWindowToClient( x , y ) ;
	}
}

bool wxWindow::SetCursor(const wxCursor& cursor)
{
   if ( !wxWindowBase::SetCursor(cursor) )
   {
       // no change
       return FALSE;
   }

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

  Point pt ;
  wxWindow *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() )
  	{
		cursor.MacInstall() ;
  	}
  }

  return TRUE ;
}


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

  if (m_vScrollBar && m_vScrollBar->IsShown() )
  	(*x) -= MAC_SCROLLBAR_SIZE;
  if (m_hScrollBar  && m_hScrollBar->IsShown() )
  	(*y) -= MAC_SCROLLBAR_SIZE;
}


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

#if wxUSE_TOOLTIPS

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

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

#endif // wxUSE_TOOLTIPS

void wxWindow::DoMoveWindow(int x, int y, int width, int height)
{
	DoSetSize( x,y, width, height ) ;
}

void wxWindow::DoSetSize(int x, int y, int width, int height, int sizeFlags)
{
	int former_x = m_x ;
	int former_y = m_y ;
	int former_w = m_width ;
	int former_h = m_height ;

  int currentX, currentY;
  GetPosition(&currentX, &currentY);
  int currentW,currentH;
  GetSize(&currentW, &currentH);

  int actualWidth = width;
  int actualHeight = height;
  int actualX = x;
  int actualY = y;
  if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
      actualX = currentX;
  if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
      actualY = currentY;
  if (width == -1)
      actualWidth = currentW ;
  if (height == -1)
      actualHeight = currentH ;

	if ( actualX == currentX && actualY == currentY && actualWidth == currentW && actualHeight == currentH)
	{
		MacRepositionScrollBars() ; // we might have a real position shift
		return ;
	}

	AdjustForParentClientOrigin(actualX, actualY, sizeFlags);


	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
			{
				wxMacDrawingClientHelper focus( this ) ;
				if ( focus.Ok() )
				{
			  	Rect clientrect = { 0 , 0 , m_height , m_width } ;
			    InvalRect( &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

			if ( IsKindOf( CLASSINFO( wxFrame ) ) )
			{
				wxFrame* frame = (wxFrame*) this ;
			  frame->PositionStatusBar();
  			frame->PositionToolBar();
			}
		}
		else
		{
			// erase new position
			{
				wxMacDrawingClientHelper focus( this ) ;
				if ( focus.Ok() )
				{
			  	Rect clientrect = { 0 , 0 , m_height , m_width } ;
			    InvalRect( &clientrect ) ;
				}
			}
			if ( doMove )
				wxWindow::MacSuperChangedPosition() ; // like this only children will be notified
		}
		MacRepositionScrollBars() ;
		if ( doMove )
		{
    	wxMoveEvent event(wxPoint(m_x, m_y), m_windowId);
    	event.SetEventObject(this);
    	GetEventHandler()->ProcessEvent(event) ;
    }
    if ( doResize )
    {
			MacRepositionScrollBars() ;
	    wxSizeEvent event(wxSize(m_width, m_height), m_windowId);
	    event.SetEventObject(this);
	    GetEventHandler()->ProcessEvent(event);
    }
	}
}
// For implementation purposes - sometimes decorations make the client area
// smaller

wxPoint wxWindow::GetClientAreaOrigin() const
{
    return wxPoint(0, 0);
}

// Makes an adjustment to the window position (for example, a frame that has
// a toolbar that it manages itself).
void wxWindow::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 wxWindow::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 wxWindow::GetTitle() const
{
	return m_label ;
}

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

	if ( m_macWindowData )
	{
	  if (show)
	  {
	  	UMAShowWindow( m_macWindowData->m_macWindow ) ;
	  	UMASelectWindow( m_macWindowData->m_macWindow ) ;
			// no need to generate events here, they will get them triggered by macos
	    wxSizeEvent event(wxSize(m_width, m_height), m_windowId);
	    event.SetEventObject(this);
	    GetEventHandler()->ProcessEvent(event);
	  }
	  else
	  {
	  	UMAHideWindow( m_macWindowData->m_macWindow ) ;
	  }
	}
	MacSuperShown( show ) ;
	Refresh() ;

    return TRUE;
}

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

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

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

void wxWindow::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( this ) ;
    long lx,ly,ld,le ;
    dc.GetTextExtent( string , &lx , &ly , &ld, &le, fontToUse ) ;
    *externalLeading = le ;
    *descent = ld ;
    *x = lx ;
    *y = ly ;
}

void wxWindow::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

			wxWindow* 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 ) ))
					{
						ApplyThemeBackground			(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())
	{
		wxWindow *child = (wxWindow*)node->Data();
//			int width ;
//			int height ;

//			child->GetClientSize( &width , &height ) ;

		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 wxWindow::Refresh(bool eraseBack, const wxRect *rect)
{
	wxMacDrawingClientHelper focus( this ) ;
	if ( focus.Ok() )
	{
  	int width , height ;
  	GetClientSize( &width , &height ) ;
  	Rect clientrect = { 0 , 0 , height , width } ;
  	ClipRect( &clientrect ) ;

    if ( rect )
    {
    	Rect r = { rect->y , rect->x , rect->y + rect->height , rect->x + rect->width } ;
			SectRect( &clientrect , &r , &clientrect ) ;
    }
    InvalRect( &clientrect ) ;
    /*
    if ( eraseBack )
    {
    	MacEraseBackground( &clientrect ) ;
   	}
   	*/
	}
}

// Responds to colour changes: passes event on to children.
void wxWindow::OnSysColourChanged(wxSysColourChangedEvent& event)
{
    wxNode *node = GetChildren().First();
    while ( node )
    {
        // Only propagate to non-top-level windows
        wxWindow *win = (wxWindow *)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 wxWindow::CreateCaret(int w, int h)
{
    SetCaret(new wxCaret(this, w, h));
}

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

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

    m_caret->Show(show);
}

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

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

    m_caret->Move(x, y);
}

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

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

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

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

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

int wxWindow::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 wxWindow::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 wxWindow::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 wxWindow::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 wxWindow::MacPaint( wxPaintEvent &event )
{
    wxPaintDC dc(this);
    PrepareDC(dc);

    if (HasFlag(wxRAISED_BORDER) || HasFlag( wxSUNKEN_BORDER) )
    {
    	bool sunken = HasFlag( wxSUNKEN_BORDER ) ;

		wxPen m_penButton3DShadow( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_3DSHADOW ), 1, wxSOLID ) ;
		wxPen m_penButton3DFace( wxSystemSettings::GetSystemColour( wxSYS_COLOUR_3DFACE ), 1, wxSOLID ) ;

		wxPen wxPen1 = sunken ? *wxWHITE_PEN : *wxBLACK_PEN;
		wxPen wxPen2 = sunken ? m_penButton3DShadow : m_penButton3DShadow;
		wxPen wxPen3 = sunken ? m_penButton3DFace : m_penButton3DShadow;
		wxPen wxPen4 = sunken ? *wxBLACK_PEN : *wxWHITE_PEN;

		dc.SetPen(wxPen1);
		dc.DrawRectangle(0, 0, m_width, m_height);          // outer - right and button

	    dc.SetPen(wxPen2);
		dc.DrawRectangle(1, 1, m_width-1, m_height-1);      // outer - left and top

	    dc.SetPen(wxPen3);
		dc.DrawRectangle(0, 0, m_width-2, m_height-2);          // inner - right and button

	    dc.SetPen(wxPen4);
		dc.DrawLine(0, 0, m_width-3, 0);                 // inner - left and top
		dc.DrawLine(0, 0, 0, m_height-3);
    }
    else if (HasFlag(wxSIMPLE_BORDER))
    {
		dc.SetPen(*wxBLACK_PEN);
		dc.DrawRectangle(0, 0, m_width, m_height);
    }
}

// New function that will replace some of the above.
void wxWindow::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 , 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 , refresh ) ;
				}
			}
		}
		MacRepositionScrollBars() ;
}

// Does a physical scroll
void wxWindow::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 ) ;
    InvalRgn( updateRgn ) ;
    DisposeRgn( updateRgn ) ;
	}
}

void wxWindow::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;

	    switch ( event.m_eventType )
	    {
	    case wxEVT_SCROLL_TOP:
	        wevent.m_eventType = wxEVT_SCROLLWIN_TOP;
	        break;

	    case wxEVT_SCROLL_BOTTOM:
	        wevent.m_eventType = wxEVT_SCROLLWIN_BOTTOM;
	        break;

	    case wxEVT_SCROLL_LINEUP:
	        wevent.m_eventType = wxEVT_SCROLLWIN_LINEUP;
	        break;

	    case wxEVT_SCROLL_LINEDOWN:
	        wevent.m_eventType = wxEVT_SCROLLWIN_LINEDOWN;
	        break;

	    case wxEVT_SCROLL_PAGEUP:
	        wevent.m_eventType = wxEVT_SCROLLWIN_PAGEUP;
	        break;

	    case wxEVT_SCROLL_PAGEDOWN:
	        wevent.m_eventType = wxEVT_SCROLLWIN_PAGEDOWN;
	        break;

	    case wxEVT_SCROLL_THUMBTRACK:
	        wevent.m_eventType = wxEVT_SCROLLWIN_THUMBTRACK;
	        break;

	    }

	    GetEventHandler()->ProcessEvent(wevent);
    }
}

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

    return TRUE;
}

// Get the window with the focus
wxWindow *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 wxWindow::OnCommand(wxWindow& 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* wxWindow::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 wxWindow::Clear()
{
	if ( m_macWindowData )
	{
		wxMacDrawingClientHelper helper ( this ) ;
		int w ,h ;
		wxPoint origin = GetClientAreaOrigin() ;
		GetClientSize( &w , &h ) ;
		UMASetThemeWindowBackground( 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 wxWindow::SetupColours()
{
    if ( GetParent() )
        SetBackgroundColour(GetParent()->GetBackgroundColour());
}

void wxWindow::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 wxWindow::Raise()
{
    // TODO
}

// Lower the window to the bottom of the Z order
void wxWindow::Lower()
{
    // TODO
}

void wxWindow::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 ;

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


wxWindow* wxWindow::s_lastMouseWindow = NULL ;

bool wxWindow::MacGetWindowFromPointSub( const wxPoint &point , wxWindow** 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())
	{
		wxWindow *child = (wxWindow*)node->Data();
		if ( child->GetMacRootWindow() == window )
		{
			if (child->MacGetWindowFromPointSub(newPoint , outWin ))
				return TRUE;
		}
	}

	*outWin = this ;
	return TRUE;
}

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

extern int wxBusyCursorCount ;

bool wxWindow::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())
	{
		wxWindow *child = (wxWindow*)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() ;
	}
	GetEventHandler()->ProcessEvent( event ) ;
	return TRUE;
}

void wxWindow::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 ) ;

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

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

void wxWindow::MacMouseMoved( EventRecord *ev , short part)
{
	WindowPtr frontWindow ;
	switch (part)
	{
		case inContent:
			{
				MacFireMouseEvent( ev ) ;
			}
			break ;
	}
}
void wxWindow::MacActivate( EventRecord *ev , bool inIsActivating )
{
	wxActivateEvent event(wxEVT_ACTIVATE, inIsActivating);
	event.m_timeStamp = ev->when ;
	event.SetEventObject(this);

	GetEventHandler()->ProcessEvent(event);

	UMAHighlightAndActivateWindow( m_macWindowData->m_macWindow , inIsActivating ) ;
}

void wxWindow::MacRedraw( RgnHandle updatergn , long time)
{
	// updatergn is always already clipped to our boundaries
	WindowRef window = GetMacRootWindow() ;
	wxWindow* win = wxFindWinFromMacWindow( window ) ;
	{
		wxMacDrawingClientHelper focus( this ) ;
		if ( focus.Ok() )
		{
			WindowRef window = GetMacRootWindow() ;
			bool eraseBackground = false ;
			if ( m_macWindowData )
				eraseBackground = true ;
			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


					wxWindow* 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 ) ))
							{
								ApplyThemeBackground(kThemeBackgroundTabPane, &(**updatergn).rgnBBox , kThemeStateActive,8,true);
								break ;
							}
						}
						else
						{
							parent = NULL ;
							break ;
						}
						parent = parent->GetParent() ;
					}
					if ( !parent )
					{
						// if there is nothing special -> use default
						UMASetThemeWindowBackground( window , kThemeBrushDialogBackgroundActive , false ) ;
					}
			}
			else
			{
		  		RGBBackColor( &m_backgroundColour.GetPixel()) ;
			}
	  		if ( GetParent() && m_backgroundColour != GetParent()->GetBackgroundColour() )
	  			eraseBackground = true ;
			SetClip( updatergn ) ;
			if ( eraseBackground )
			{
				EraseRgn( updatergn ) ;
			}
		}
	}


	m_updateRegion = updatergn ;
	wxPaintEvent event;
	event.m_timeStamp = time ;
	event.SetEventObject(this);

	wxPaintEvent event2( event ) ;
	GetEventHandler()->ProcessEvent(event);
	MacPaint( event2 ) ;

	RgnHandle childupdate = NewRgn() ;

	for (wxNode *node = GetChildren().First(); node; node = node->Next())
	{
		wxWindow *child = (wxWindow*)node->Data();
		int width ;
		int height ;

		child->GetClientSize( &width , &height ) ;

		SetRectRgn( childupdate , child->m_x , child->m_y , child->m_x +width ,  child->m_y + height ) ;
		SectRgn( childupdate , m_updateRegion.GetWXHRGN() , childupdate ) ;
		OffsetRgn( childupdate , -child->m_x , -child->m_y ) ;
		if ( child->GetMacRootWindow() == window && child->IsShown() )
		{
			// because dialogs may also be children
			child->MacRedraw( childupdate , time ) ;
		}
	}
	DisposeRgn( childupdate ) ;
	// eventually a draw grow box here
}

void wxWindow::MacUpdateImmediately()
{
	WindowRef window = GetMacRootWindow() ;
	if ( window )
	{
		wxWindow* win = wxFindWinFromMacWindow( window ) ;
		BeginUpdate( window ) ;
		if ( win )
		{
		#if ! TARGET_CARBON
			if ( !EmptyRgn( window->visRgn ) )
		#endif
			{
				win->MacRedraw( window->visRgn , wxTheApp->sm_lastMessageTime ) ;
/*
				{
					wxMacDrawingHelper help( win ) ;
					SetOrigin( 0 , 0 ) ;
					UMASetThemeWindowBackground( win->m_macWindowData->m_macWindow , kThemeBrushDialogBackgroundActive , false ) ;
					UMAUpdateControls( window , window->visRgn ) ;
					UMASetThemeWindowBackground( win->m_macWindowData->m_macWindow , win->m_macWindowData->m_macWindowBackgroundTheme , false ) ;
				}
*/
			}
		}
		EndUpdate( window ) ;
	}
}

void wxWindow::MacUpdate( EventRecord *ev )
{
	WindowRef window = (WindowRef) ev->message ;
	wxWindow * win = wxFindWinFromMacWindow( window ) ;

	BeginUpdate( window ) ;
	if ( win )
	{
		// if windowshade gives incompatibility , take the follwing out
		#if ! TARGET_CARBON
		if ( !EmptyRgn( window->visRgn ) )
		#endif
		{
			MacRedraw( window->visRgn , ev->when ) ;
			/*
			{
				wxMacDrawingHelper help( this ) ;
				SetOrigin( 0 , 0 ) ;
				UMASetThemeWindowBackground( m_macWindowData->m_macWindow , kThemeBrushDialogBackgroundActive , false ) ;
				UMAUpdateControls( window , window->visRgn ) ;
				UMASetThemeWindowBackground( m_macWindowData->m_macWindow , m_macWindowData->m_macWindowBackgroundTheme , false ) ;
			}
			*/
		}
	}
	EndUpdate( window ) ;
}

WindowRef wxWindow::GetMacRootWindow() const
{
	WindowRef window = NULL ;
	wxWindow *iter = (wxWindow*)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 wxWindow::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 ;

	if ( style & wxVSCROLL )
	{
		m_vScrollBar = new wxScrollBar(this, wxWINDOW_VSCROLL, wxPoint(m_width-MAC_SCROLLBAR_SIZE, 0),
			wxSize(MAC_SCROLLBAR_SIZE, m_height - adjust), wxVERTICAL);
//		m_vScrollBar->PushEventHandler( this ) ;
	}
	if ( style  & wxHSCROLL )
	{
		m_hScrollBar = new wxScrollBar(this, wxWINDOW_HSCROLL, wxPoint(0 , m_height-MAC_SCROLLBAR_SIZE ),
			wxSize( m_width - adjust, MAC_SCROLLBAR_SIZE), wxHORIZONTAL);
//		m_hScrollBar->PushEventHandler( this ) ;
	}

	// because the create does not take into account the client area origin
	MacRepositionScrollBars() ; // we might have a real position shift
}

void wxWindow::MacRepositionScrollBars()
{
	bool hasBoth = ( m_hScrollBar && m_hScrollBar->IsShown()) && ( m_vScrollBar && m_vScrollBar->IsShown()) ;
	int adjust = hasBoth ? MAC_SCROLLBAR_SIZE - 1 : 0 ;

	if ( m_vScrollBar )
	{
		m_vScrollBar->SetSize( m_width-MAC_SCROLLBAR_SIZE, 0, MAC_SCROLLBAR_SIZE, m_height - adjust , wxSIZE_USE_EXISTING);
	}
	if ( m_hScrollBar )
	{
		m_hScrollBar->SetSize( 0 , m_height-MAC_SCROLLBAR_SIZE ,m_width - adjust, MAC_SCROLLBAR_SIZE, wxSIZE_USE_EXISTING);
	}
}

void wxWindow::MacKeyDown( EventRecord *ev )
{
}


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

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

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

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

bool wxWindow::MacSetupFocusPort(  )
{
	Point localOrigin ;
	Rect clipRect ;
	WindowRef window ;
	wxWindow *rootwin ;
	GrafPtr port ;

	MacGetPortParams( &localOrigin , &clipRect , &window , &rootwin) ;
	return 	MacSetPortFocusParams( localOrigin, clipRect, window , rootwin ) ;
}

bool wxWindow::MacSetupFocusClientPort(  )
{
	Point localOrigin ;
	Rect clipRect ;
	WindowRef window ;
	wxWindow *rootwin ;
	GrafPtr port ;

	MacGetPortClientParams( &localOrigin , &clipRect , &window , &rootwin) ;
	return 	MacSetPortFocusParams( localOrigin, clipRect, window , rootwin ) ;
}

bool wxWindow::MacSetupDrawingPort(  )
{
	Point localOrigin ;
	Rect clipRect ;
	WindowRef window ;
	wxWindow *rootwin ;
	GrafPtr port ;

	MacGetPortParams( &localOrigin , &clipRect , &window , &rootwin) ;
	return 	MacSetPortDrawingParams( localOrigin, clipRect, window , rootwin ) ;
}

bool wxWindow::MacSetupDrawingClientPort(  )
{
	Point localOrigin ;
	Rect clipRect ;
	WindowRef window ;
	wxWindow *rootwin ;
	GrafPtr port ;

	MacGetPortClientParams( &localOrigin , &clipRect , &window , &rootwin) ;
	return 	MacSetPortDrawingParams( localOrigin, clipRect, window , rootwin ) ;
}


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

	GrafPtr currPort;
	GrafPtr port ;

	::GetPort(&currPort);
	port = UMAGetWindowPort( window) ;
	if (currPort != port )
			::SetPort(port);

	::SetOrigin(-localOrigin.h, -localOrigin.v);
	return true;
}

bool wxWindow::MacSetPortDrawingParams( const Point & localOrigin, const Rect & clipRect, WindowRef window , wxWindow* win )
{
	if ( window == NULL )
		return false ;

	GrafPtr currPort;
	GrafPtr port ;
	::GetPort(&currPort);
	port = UMAGetWindowPort( window) ;
	if (currPort != port )
			::SetPort(port);

	::SetOrigin(-localOrigin.h, -localOrigin.v);
	::ClipRect(&clipRect);

	::PenNormal() ;
	::RGBBackColor(& win->GetBackgroundColour().GetPixel() ) ;
	::RGBForeColor(& win->GetForegroundColour().GetPixel() ) ;
	::BackPat( &qd.white ) ;
	::UMASetThemeWindowBackground(  win->m_macWindowData->m_macWindow , win->m_macWindowData->m_macWindowBackgroundTheme ,  false ) ;
	return true;
}

void wxWindow::MacGetPortParams(Point* localOrigin, Rect* clipRect, WindowRef *window  , wxWindow** 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 wxWindow::MacGetPortClientParams(Point* localOrigin, Rect* clipRect, WindowRef *window , wxWindow** 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()->MacGetPortClientParams( 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 = width;
		myClip.bottom = height;
		SectRect(clipRect, &myClip, clipRect);
	}
}

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

		theWindow->MacGetPortParams( &localOrigin , &clipRect , &window , &rootwin) ;
		m_currentPort = UMAGetWindowPort( window ) ;
		theWindow->MacSetPortFocusParams( localOrigin, clipRect, window , rootwin ) ;
		m_ok = true ;
	}
}

wxMacFocusHelper::~wxMacFocusHelper()
{
	if ( m_ok )
	{
		SetOrigin( 0 , 0 ) ;
	}
	if ( m_formerPort != m_currentPort )
		SetPort( m_formerPort ) ;
}

wxMacDrawingHelper::wxMacDrawingHelper( wxWindow * theWindow )
{
	m_ok = false ;
	Point localOrigin ;
	Rect clipRect ;
	WindowRef window ;
	wxWindow *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 )
	{
		SetPenState( &m_savedPenState ) ;
		SetOrigin( 0 , 0 ) ;
		ClipRect( &m_currentPort->portRect ) ;
	}

	if ( m_formerPort != m_currentPort )
		SetPort( m_formerPort ) ;
}

wxMacFocusClientHelper::wxMacFocusClientHelper( wxWindow * theWindow )
{
	m_ok = false ;
	Point localOrigin ;
	Rect clipRect ;
	WindowRef window ;
	wxWindow *rootwin ;
	m_currentPort = NULL ;

	GetPort( &m_formerPort ) ;

	if ( theWindow )
	{
		theWindow->MacGetPortClientParams( &localOrigin , &clipRect , &window , &rootwin) ;
		m_currentPort = UMAGetWindowPort( window ) ;
		theWindow->MacSetPortFocusParams( localOrigin, clipRect, window , rootwin ) ;
		m_ok = true ;
	}
}

wxMacFocusClientHelper::~wxMacFocusClientHelper()
{
	if ( m_ok )
	{
		SetOrigin( 0 , 0 ) ;
	}
	if ( m_formerPort != m_currentPort )
		SetPort( m_formerPort ) ;
}

wxMacDrawingClientHelper::wxMacDrawingClientHelper( wxWindow * theWindow )
{
	m_ok = false ;
	Point localOrigin ;
	Rect clipRect ;
	WindowRef window ;
	wxWindow *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 )
	{
		SetPenState( &m_savedPenState ) ;
		SetOrigin( 0 , 0 ) ;
		ClipRect( &m_currentPort->portRect ) ;
	}

	if ( m_formerPort != m_currentPort )
		SetPort( m_formerPort ) ;
}