src/mac/carbon/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcscreen.cpp
   3 // Purpose:     wxScreenDC class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "dcscreen.h"
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17
  18 #include "wx/dcscreen.h"
  19 #include "wx/mac/uma.h"
  20
  21 #if !USE_SHARED_LIBRARY
  22 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
  23 #endif
  24
  25 // Create a DC representing the whole screen
  26 wxScreenDC::wxScreenDC()
  27 {
  28 #if TARGET_CARBON
  29     m_macPort = CreateNewPort() ;
  30     GrafPtr port ;
  31     GetPort( &port ) ;
  32     SetPort( (GrafPtr) m_macPort ) ;
  33     Point pt = { 0,0 } ;
  34     LocalToGlobal( &pt ) ;
  35     SetPort( port ) ;
  36     m_macLocalOrigin.x = -pt.h ;
  37     m_macLocalOrigin.y = -pt.v ;
  38 #else
  39     m_macPort = LMGetWMgrPort() ;
  40     m_macLocalOrigin.x = 0 ;
  41     m_macLocalOrigin.y = 0 ;
  42 #endif
  43      m_ok = TRUE ;
  44     BitMap screenBits;
  45     GetQDGlobalsScreenBits( &screenBits );
  46      m_minX = screenBits.bounds.left ;
  47  #if TARGET_CARBON
  48      SInt16 height ;
  49      GetThemeMenuBarHeight( &height ) ;
  50      m_minY = screenBits.bounds.top + height ;
  51  #else
  52      m_minY = screenBits.bounds.top + LMGetMBarHeight() ;
  53  #endif
  54     m_maxX = screenBits.bounds.right  ;
  55     m_maxY = screenBits.bounds.bottom ;
  56     MacSetRectRgn( (RgnHandle) m_macBoundaryClipRgn , m_minX , m_minY , m_maxX , m_maxY ) ;
  57     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
  58     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
  59 }
  60
  61 wxScreenDC::~wxScreenDC()
  62 {
  63     DisposePort( (CGrafPtr) m_macPort ) ;
  64 }
  65