src/mac/carbon/dccg.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/dccg.cpp
   3 // Purpose:     wxDC class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/dc.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/log.h"
  18     #include "wx/dcmemory.h"
  19     #include "wx/region.h"
  20 #endif
  21
  22 #include "wx/mac/uma.h"
  23
  24 #ifdef __MSL__
  25     #if __MSL__ >= 0x6000
  26         #include "math.h"
  27         // in case our functions were defined outside std, we make it known all the same
  28         namespace std { }
  29         using namespace std ;
  30     #endif
  31 #endif
  32
  33 #include "wx/mac/private.h"
  34
  35 #ifndef __LP64__
  36
  37 // TODO: update
  38 // The textctrl implementation still needs that (needs what?) for the non-HIView implementation
  39 //
  40 wxMacWindowClipper::wxMacWindowClipper( const wxWindow* win ) :
  41     wxMacPortSaver( (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) )
  42 {
  43     m_newPort = (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ;
  44     m_formerClip = NewRgn() ;
  45     m_newClip = NewRgn() ;
  46     GetClip( m_formerClip ) ;
  47
  48     if ( win )
  49     {
  50         // guard against half constructed objects, this just leads to a empty clip
  51         if ( win->GetPeer() )
  52         {
  53             int x = 0 , y = 0;
  54             win->MacWindowToRootWindow( &x, &y ) ;
  55
  56             // get area including focus rect
  57             CopyRgn( (RgnHandle) ((wxWindow*)win)->MacGetVisibleRegion(true).GetWXHRGN() , m_newClip ) ;
  58             if ( !EmptyRgn( m_newClip ) )
  59                 OffsetRgn( m_newClip , x , y ) ;
  60         }
  61
  62         SetClip( m_newClip ) ;
  63     }
  64 }
  65
  66 wxMacWindowClipper::~wxMacWindowClipper()
  67 {
  68     SetPort( m_newPort ) ;
  69     SetClip( m_formerClip ) ;
  70     DisposeRgn( m_newClip ) ;
  71     DisposeRgn( m_formerClip ) ;
  72 }
  73
  74 wxMacWindowStateSaver::wxMacWindowStateSaver( const wxWindow* win ) :
  75     wxMacWindowClipper( win )
  76 {
  77     // the port is already set at this point
  78     m_newPort = (GrafPtr) GetWindowPort( (WindowRef) win->MacGetTopLevelWindowRef() ) ;
  79     GetThemeDrawingState( &m_themeDrawingState ) ;
  80 }
  81
  82 wxMacWindowStateSaver::~wxMacWindowStateSaver()
  83 {
  84     SetPort( m_newPort ) ;
  85     SetThemeDrawingState( m_themeDrawingState , true ) ;
  86 }
  87
  88 #endif