include/wx/os2/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/os2/dcclient.h
   3 // Purpose:     wxClientDC class
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     09/12/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_DCCLIENT_H_
  13 #define _WX_DCCLIENT_H_
  14
  15 // ----------------------------------------------------------------------------
  16 // headers
  17 // ----------------------------------------------------------------------------
  18
  19 #include "wx/dc.h"
  20 #include "wx/os2/dc.h"
  21 #include "wx/dcclient.h"
  22 #include "wx/dynarray.h"
  23
  24 // ----------------------------------------------------------------------------
  25 // array types
  26 // ----------------------------------------------------------------------------
  27
  28 // this one if used by wxPaintDC only
  29 struct WXDLLIMPEXP_FWD_CORE wxPaintDCInfo;
  30
  31 WX_DECLARE_EXPORTED_OBJARRAY(wxPaintDCInfo, wxArrayDCInfo);
  32
  33 // ----------------------------------------------------------------------------
  34 // DC classes
  35 // ----------------------------------------------------------------------------
  36
  37 class WXDLLIMPEXP_CORE wxWindowDCImpl : public wxPMDCImpl
  38 {
  39 public:
  40     // default ctor
  41     wxWindowDCImpl( wxDC *owner );
  42
  43     // Create a DC corresponding to the whole window
  44     wxWindowDCImpl( wxDC *owner, wxWindow *pWin );
  45
  46     virtual void DoGetSize(int *pWidth, int *pHeight) const;
  47
  48 protected:
  49     // initialize the newly created DC
  50     void InitDC(void);
  51
  52 private:
  53     SIZEL                   m_PageSize;
  54     DECLARE_CLASS(wxWindowDCImpl)
  55     wxDECLARE_NO_COPY_CLASS(wxWindowDCImpl);
  56 }; // end of CLASS wxWindowDC
  57
  58 class WXDLLIMPEXP_CORE wxClientDCImpl : public wxWindowDCImpl
  59 {
  60 public:
  61     // default ctor
  62     wxClientDCImpl( wxDC *owner );
  63
  64     // Create a DC corresponding to the client area of the window
  65     wxClientDCImpl( wxDC *owner, wxWindow *pWin );
  66
  67     virtual ~wxClientDCImpl();
  68
  69     virtual void DoGetSize(int *pWidth, int *pHeight) const;
  70
  71 protected:
  72     void InitDC(void);
  73
  74 private:
  75     DECLARE_CLASS(wxClientDCImpl)
  76     wxDECLARE_NO_COPY_CLASS(wxClientDCImpl);
  77 }; // end of CLASS wxClientDC
  78
  79 class WXDLLIMPEXP_CORE wxPaintDCImpl : public wxClientDCImpl
  80 {
  81 public:
  82     wxPaintDCImpl( wxDC *owner );
  83
  84     // Create a DC corresponding for painting the window in OnPaint()
  85     wxPaintDCImpl( wxDC *owner, wxWindow *pWin );
  86
  87     virtual ~wxPaintDCImpl();
  88
  89     // find the entry for this DC in the cache (keyed by the window)
  90     static WXHDC FindDCInCache(wxWindow* pWin);
  91
  92 protected:
  93     static wxArrayDCInfo ms_cache;
  94
  95     // find the entry for this DC in the cache (keyed by the window)
  96     wxPaintDCInfo* FindInCache(size_t* pIndex = NULL) const;
  97 private:
  98     DECLARE_CLASS(wxPaintDCImpl)
  99     wxDECLARE_NO_COPY_CLASS(wxPaintDCImpl);
 100 }; // end of wxPaintDC
 101
 102 #endif
 103     // _WX_DCCLIENT_H_