include/wx/cocoa/dcclient.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/cocoa/dcclient.h
   3 // Purpose:     wxClientDC, wxPaintDC and wxWindowDC classes
   4 // Author:      David Elliott
   5 // Modified by:
   6 // Created:     2003/04/01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2003 David Elliott
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef __WX_COCOA_DCCLIENT_H__
  13 #define __WX_COCOA_DCCLIENT_H__
  14
  15 #include "wx/dc.h"
  16
  17 // DFE: A while ago I stumbled upon the fact that retrieving the parent
  18 // NSView of the content view seems to return the entire window rectangle
  19 // (including decorations).  Of course, that is not at all part of the
  20 // Cocoa or OpenStep APIs, but it might be a neat hack.
  21 class wxWindowDC: public wxDC
  22 {
  23     DECLARE_DYNAMIC_CLASS(wxWindowDC)
  24 public:
  25     wxWindowDC(void);
  26     // Create a DC corresponding to a window
  27     wxWindowDC(wxWindow *win);
  28     virtual ~wxWindowDC(void);
  29
  30 protected:
  31     wxWindow *m_window;
  32     WX_NSView m_lockedNSView;
  33 // DC stack
  34     virtual bool CocoaLockFocus();
  35     virtual bool CocoaUnlockFocus();
  36     bool CocoaLockFocusOnNSView(WX_NSView nsview);
  37     bool CocoaUnlockFocusOnNSView();
  38     virtual bool CocoaGetBounds(void *rectData);
  39 };
  40
  41 class wxClientDC: public wxWindowDC
  42 {
  43     DECLARE_DYNAMIC_CLASS(wxClientDC)
  44 public:
  45     wxClientDC(void);
  46     // Create a DC corresponding to a window
  47     wxClientDC(wxWindow *win);
  48     virtual ~wxClientDC(void);
  49 protected:
  50 // DC stack
  51     virtual bool CocoaLockFocus();
  52     virtual bool CocoaUnlockFocus();
  53 };
  54
  55 class wxPaintDC: public wxWindowDC
  56 {
  57     DECLARE_DYNAMIC_CLASS(wxPaintDC)
  58 public:
  59     wxPaintDC(void);
  60     // Create a DC corresponding to a window
  61     wxPaintDC(wxWindow *win);
  62     virtual ~wxPaintDC(void);
  63 protected:
  64 // DC stack
  65     virtual bool CocoaLockFocus();
  66     virtual bool CocoaUnlockFocus();
  67 };
  68
  69 #endif
  70     // __WX_COCOA_DCCLIENT_H__