wxWidgets/include/wx/mac/carbon/private/overlay.h

59 lines
1.5 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/mac/carbon/private/overlay.h
// Purpose: wxOverlayImpl declaration
// Author: Stefan Csomor
// Modified by:
// Created: 2006-10-20
// RCS-ID: $Id$
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MAC_CARBON_PRIVATE_OVERLAY_H_
#define _WX_MAC_CARBON_PRIVATE_OVERLAY_H_
#include "wx/mac/private.h"
#include "wx/toplevel.h"
#include "wx/graphics.h"
class wxOverlayImpl
{
public:
wxOverlayImpl() ;
~wxOverlayImpl() ;
// clears the overlay without restoring the former state
// to be done eg when the window content has been changed and repainted
void Reset();
// returns true if it has been setup
bool IsOk();
void Init( wxWindowDC* dc, int x , int y , int width , int height );
void BeginDrawing( wxWindowDC* dc);
void EndDrawing( wxWindowDC* dc);
void Clear( wxWindowDC* dc);
private:
OSStatus CreateOverlayWindow();
void MacGetBounds( Rect *bounds );
WindowRef m_overlayWindow;
WindowRef m_overlayParentWindow;
CGContextRef m_overlayContext ;
// we store the window in case we would have to issue a Refresh()
wxWindow* m_window ;
int m_x ;
int m_y ;
int m_width ;
int m_height ;
} ;
#endif // _WX_MAC_CARBON_PRIVATE_OVERLAY_H_