wxWidgets/include/wx/msw/dcclient.h

116 lines
3.0 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: dcclient.h
// Purpose: wxClientDC class
// Author: Julian Smart
// Modified by:
// Created: 01/02/97
// RCS-ID: $Id$
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_DCCLIENT_H_
#define _WX_DCCLIENT_H_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/dc.h"
#include "wx/msw/dc.h"
#include "wx/dcclient.h"
#include "wx/dynarray.h"
// ----------------------------------------------------------------------------
// array types
// ----------------------------------------------------------------------------
// this one if used by wxPaintDC only
struct WXDLLIMPEXP_FWD_CORE wxPaintDCInfo;
WX_DECLARE_EXPORTED_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
// ----------------------------------------------------------------------------
// DC classes
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxMSWDCImpl
{
public:
// default ctor
wxWindowDCImpl( wxDC *owner );
// Create a DC corresponding to the whole window
wxWindowDCImpl( wxDC *owner, wxWindow *win );
virtual void DoGetSize(int *width, int *height) const;
protected:
// initialize the newly created DC
void InitDC();
DECLARE_CLASS(wxWindowDCImpl)
wxDECLARE_NO_COPY_CLASS(wxWindowDCImpl);
};
class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
{
public:
// default ctor
wxClientDCImpl( wxDC *owner );
// Create a DC corresponding to the client area of the window
wxClientDCImpl( wxDC *owner, wxWindow *win );
virtual ~wxClientDCImpl();
virtual void DoGetSize(int *width, int *height) const;
protected:
void InitDC();
DECLARE_CLASS(wxClientDCImpl)
wxDECLARE_NO_COPY_CLASS(wxClientDCImpl);
};
class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
{
public:
wxPaintDCImpl( wxDC *owner );
// Create a DC corresponding for painting the window in OnPaint()
wxPaintDCImpl( wxDC *owner, wxWindow *win );
virtual ~wxPaintDCImpl();
// find the entry for this DC in the cache (keyed by the window)
static WXHDC FindDCInCache(wxWindow* win);
protected:
static wxArrayDCInfo ms_cache;
// find the entry for this DC in the cache (keyed by the window)
wxPaintDCInfo *FindInCache(size_t *index = NULL) const;
DECLARE_CLASS(wxPaintDCImpl)
wxDECLARE_NO_COPY_CLASS(wxPaintDCImpl);
};
/*
* wxPaintDCEx
* This class is used when an application sends an HDC with the WM_PAINT
* message. It is used in HandlePaint and need not be used by an application.
*/
class WXDLLIMPEXP_CORE wxPaintDCEx : public wxPaintDC
{
public:
wxPaintDCEx(wxWindow *canvas, WXHDC dc);
DECLARE_CLASS(wxPaintDCEx)
wxDECLARE_NO_COPY_CLASS(wxPaintDCEx);
};
#endif
// _WX_DCCLIENT_H_