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 #ifdef __GNUG__
  13 #pragma implementation "dcscreen.h"
  14 #endif
  15
  16 #include "wx/dcscreen.h"
  17 #include "wx/mac/uma.h"
  18
  19 #if !USE_SHARED_LIBRARY
  20 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC, wxWindowDC)
  21 #endif
  22
  23 // Create a DC representing the whole screen
  24 wxScreenDC::wxScreenDC()
  25 {
  26 #if TARGET_CARBON
  27     m_macPort = CreateNewPort() ;
  28     GrafPtr port ;
  29     GetPort( &port ) ;
  30     SetPort( (GrafPtr) m_macPort ) ;
  31     Point pt = { 0,0 } ;
  32     LocalToGlobal( &pt ) ;
  33     SetPort( port ) ;
  34     m_macLocalOrigin.x = -pt.h ;
  35     m_macLocalOrigin.y = -pt.v ;
  36 #else
  37     m_macPort = LMGetWMgrPort() ;
  38     m_macLocalOrigin.x = 0 ;
  39     m_macLocalOrigin.y = 0 ;
  40 #endif
  41      m_ok = TRUE ;
  42     BitMap screenBits;
  43     GetQDGlobalsScreenBits( &screenBits );
  44      m_minX = screenBits.bounds.left ;
  45  #if TARGET_CARBON
  46      SInt16 height ;
  47      GetThemeMenuBarHeight( &height ) ;
  48      m_minY = screenBits.bounds.top + height ;
  49  #else
  50      m_minY = screenBits.bounds.top + LMGetMBarHeight() ;
  51  #endif
  52     m_maxX = screenBits.bounds.right  ;
  53     m_maxY = screenBits.bounds.bottom ;
  54     MacSetRectRgn( (RgnHandle) m_macBoundaryClipRgn , m_minX , m_minY , m_maxX , m_maxY ) ;
  55     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
  56     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
  57 }
  58
  59 wxScreenDC::~wxScreenDC()
  60 {
  61     DisposePort( (CGrafPtr) m_macPort ) ;
  62 }
  63