include/wx/private/overlay.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/private/overlay.h
   3 // Purpose:     wxOverlayImpl declaration
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     2006-10-20
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_PRIVATE_OVERLAY_H_
  13 #define _WX_PRIVATE_OVERLAY_H_
  14
  15 #include "wx/overlay.h"
  16
  17 #if wxHAS_NATIVE_OVERLAY
  18
  19 #if defined(__WXMAC__)
  20     #include "wx/mac/carbon/private/overlay.h"
  21 #elif defined(__WXDFB__)
  22     #include "wx/dfb/private/overlay.h"
  23 #else
  24     #error "unknown native wxOverlay implementation"
  25 #endif
  26
  27 #else // !wxHAS_NATIVE_OVERLAY
  28
  29 #include "wx/bitmap.h"
  30 #include "wx/window.h"
  31
  32 // generic implementation of wxOverlay
  33 class wxOverlayImpl
  34 {
  35 public:
  36     wxOverlayImpl();
  37     ~wxOverlayImpl();
  38
  39
  40     // clears the overlay without restoring the former state
  41     // to be done eg when the window content has been changed and repainted
  42     void Reset();
  43
  44     // returns true if it has been setup
  45     bool IsOk();
  46
  47     void Init(wxWindowDC* dc, int x , int y , int width , int height);
  48
  49     void BeginDrawing(wxWindowDC* dc);
  50
  51     void EndDrawing(wxWindowDC* dc);
  52
  53     void Clear(wxWindowDC* dc);
  54
  55 private:
  56     wxBitmap m_bmpSaved ;
  57     int m_x ;
  58     int m_y ;
  59     int m_width ;
  60     int m_height ;
  61 // this is to enable wxMOTIF and UNIV to compile....
  62 // currently (10 oct 06) we don't use m_window
  63 // ce - how do we fix this
  64 #if defined(__WXGTK__) || defined(__WXMSW__)
  65     wxWindow* m_window ;
  66 #endif
  67 } ;
  68
  69 #endif // wxHAS_NATIVE_OVERLAY/!wxHAS_NATIVE_OVERLAY
  70
  71 #endif // _WX_PRIVATE_OVERLAY_H_