src/mac/carbon/dcclient.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/dcclient.cpp
   3 // Purpose:     wxClientDC 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/dcclient.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/log.h"
  18 #endif
  19
  20 #include "wx/dcmemory.h"
  21 #include "wx/region.h"
  22 #include "wx/window.h"
  23 #include "wx/toplevel.h"
  24 #include "wx/settings.h"
  25 #include "wx/math.h"
  26 #include "wx/mac/private.h"
  27
  28 //-----------------------------------------------------------------------------
  29 // constants
  30 //-----------------------------------------------------------------------------
  31
  32 #define RAD2DEG 57.2957795131
  33
  34 //-----------------------------------------------------------------------------
  35 // wxPaintDC
  36 //-----------------------------------------------------------------------------
  37
  38 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
  39 IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
  40 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
  41
  42 /*
  43  * wxWindowDC
  44  */
  45
  46 #include "wx/mac/uma.h"
  47 #include "wx/notebook.h"
  48 #include "wx/tabctrl.h"
  49
  50
  51 static wxBrush MacGetBackgroundBrush( wxWindow* window )
  52 {
  53     wxBrush bkdBrush = window->MacGetBackgroundBrush() ;
  54
  55 #if !TARGET_API_MAC_OSX
  56     // transparency cannot be handled by the OS when not using composited windows
  57     wxWindow* parent = window->GetParent() ;
  58
  59     // if we have some 'pseudo' transparency
  60     if ( ! bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT || window->GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
  61     {
  62         // walk up until we find something
  63         while ( parent != NULL )
  64         {
  65             if ( parent->GetBackgroundColour() != wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
  66             {
  67                 // if we have any other colours in the hierarchy
  68                 bkdBrush.SetColour( parent->GetBackgroundColour() ) ;
  69                 break ;
  70             }
  71
  72             if ( parent->IsKindOf( CLASSINFO(wxTopLevelWindow) ) )
  73             {
  74                 bkdBrush = parent->MacGetBackgroundBrush() ;
  75                 break ;
  76             }
  77
  78             if ( parent->IsKindOf( CLASSINFO( wxNotebook ) ) || parent->IsKindOf( CLASSINFO( wxTabCtrl ) ) )
  79             {
  80                 Rect extent = { 0 , 0 , 0 , 0 } ;
  81                 int x , y ;
  82                 x = y = 0 ;
  83                 wxSize size = parent->GetSize() ;
  84                 parent->MacClientToRootWindow( &x , &y ) ;
  85                 extent.left = x ;
  86                 extent.top = y ;
  87                 extent.top-- ;
  88                 extent.right = x + size.x ;
  89                 extent.bottom = y + size.y ;
  90                 bkdBrush.MacSetThemeBackground( kThemeBackgroundTabPane , (WXRECTPTR) &extent ) ;
  91                 break ;
  92             }
  93
  94             parent = parent->GetParent() ;
  95         }
  96     }
  97
  98     if ( !bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT )
  99     {
 100         // if we did not find something, use a default
 101         bkdBrush.MacSetTheme( kThemeBrushDialogBackgroundActive ) ;
 102     }
 103 #endif
 104
 105     return bkdBrush ;
 106 }
 107
 108 wxWindowDC::wxWindowDC()
 109 {
 110     m_window = NULL ;
 111 }
 112
 113 wxWindowDC::wxWindowDC(wxWindow *window)
 114 {
 115     m_window = window ;
 116     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 117     if (!rootwindow)
 118         return;
 119
 120     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 121     int x , y ;
 122     x = y = 0 ;
 123     wxSize size = window->GetSize() ;
 124     window->MacWindowToRootWindow( &x , &y ) ;
 125     m_macPort = UMAGetWindowPort( windowref ) ;
 126     m_ok = true ;
 127
 128 #if wxMAC_USE_CORE_GRAPHICS
 129     m_macLocalOriginInPort.x = x ;
 130     m_macLocalOriginInPort.y = y ;
 131
 132     if ( window->MacGetCGContextRef() )
 133     {
 134         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 135         m_graphicContext->SetPen( m_pen ) ;
 136         m_graphicContext->SetBrush( m_brush ) ;
 137     }
 138     else
 139     {
 140         // as out of order redraw is not supported under CQ, we have to create a qd port for these
 141         // situations
 142         m_macLocalOrigin.x = x ;
 143         m_macLocalOrigin.y = y ;
 144
 145         m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
 146         m_graphicContext->SetPen( m_pen ) ;
 147         m_graphicContext->SetBrush( m_brush ) ;
 148     }
 149     // there is no out-of-order drawing on OSX
 150 #else
 151     m_macLocalOrigin.x = x ;
 152     m_macLocalOrigin.y = y ;
 153     CopyRgn( (RgnHandle) window->MacGetVisibleRegion(true).GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 154     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 155     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 156 #endif
 157     SetBackground(MacGetBackgroundBrush(window));
 158
 159     SetFont( window->GetFont() ) ;
 160 }
 161
 162 wxWindowDC::~wxWindowDC()
 163 {
 164 }
 165
 166 void wxWindowDC::DoGetSize( int* width, int* height ) const
 167 {
 168     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 169
 170     m_window->GetSize(width, height);
 171 }
 172
 173 /*
 174  * wxClientDC
 175  */
 176
 177 wxClientDC::wxClientDC()
 178 {
 179     m_window = NULL ;
 180 }
 181
 182 wxClientDC::wxClientDC(wxWindow *window)
 183 {
 184     m_window = window ;
 185     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 186     if (!rootwindow)
 187         return;
 188
 189     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 190     wxPoint origin = window->GetClientAreaOrigin() ;
 191     wxSize size = window->GetClientSize() ;
 192     int x , y ;
 193     x = origin.x ;
 194     y = origin.y ;
 195     window->MacWindowToRootWindow( &x , &y ) ;
 196     m_macPort = UMAGetWindowPort( windowref ) ;
 197     m_ok = true ;
 198
 199 #if wxMAC_USE_CORE_GRAPHICS
 200     m_macLocalOriginInPort.x = x ;
 201     m_macLocalOriginInPort.y = y ;
 202     if ( window->MacGetCGContextRef() )
 203     {
 204         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 205         m_graphicContext->SetPen( m_pen ) ;
 206         m_graphicContext->SetBrush( m_brush ) ;
 207         SetClippingRegion( 0 , 0 , size.x , size.y ) ;
 208     }
 209     else
 210     {
 211         // as out of order redraw is not supported under CQ,
 212         // we have to create a QD port for these situations
 213         m_macLocalOrigin.x = x ;
 214         m_macLocalOrigin.y = y ;
 215         m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
 216         m_graphicContext->SetPen( m_pen ) ;
 217         m_graphicContext->SetBrush( m_brush ) ;
 218      }
 219 #else
 220     m_macLocalOrigin.x = x ;
 221     m_macLocalOrigin.y = y ;
 222     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 223     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 224     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 225     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 226     CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle)  m_macCurrentClipRgn ) ;
 227 #endif
 228
 229     SetBackground(MacGetBackgroundBrush(window));
 230     SetFont( window->GetFont() ) ;
 231 }
 232
 233 wxClientDC::~wxClientDC()
 234 {
 235 #if wxMAC_USE_CORE_GRAPHICS
 236 /*
 237     if ( m_window->MacGetCGContextRef() == 0)
 238     {
 239         CGContextRef cgContext = (wxMacCGContext*)(m_graphicContext)->GetNativeContext() ;
 240         CGContextFlush( cgContext ) ;
 241     }
 242 */
 243 #endif
 244 }
 245
 246 void wxClientDC::DoGetSize(int *width, int *height) const
 247 {
 248     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 249
 250     m_window->GetClientSize( width, height );
 251 }
 252
 253 /*
 254  * wxPaintDC
 255  */
 256
 257 wxPaintDC::wxPaintDC()
 258 {
 259     m_window = NULL ;
 260 }
 261
 262 wxPaintDC::wxPaintDC(wxWindow *window)
 263 {
 264     m_window = window ;
 265     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 266     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 267     wxPoint origin = window->GetClientAreaOrigin() ;
 268     wxSize size = window->GetClientSize() ;
 269     int x , y ;
 270     x = origin.x ;
 271     y = origin.y ;
 272     window->MacWindowToRootWindow( &x , &y ) ;
 273     m_macPort = UMAGetWindowPort( windowref ) ;
 274     m_ok = true ;
 275
 276 #if wxMAC_USE_CORE_GRAPHICS
 277     m_macLocalOriginInPort.x = x ;
 278     m_macLocalOriginInPort.y = y ;
 279     if ( window->MacGetCGContextRef() )
 280     {
 281         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 282         m_graphicContext->SetPen( m_pen ) ;
 283         m_graphicContext->SetBrush( m_brush ) ;
 284         SetClippingRegion( 0 , 0 , size.x , size.y ) ;
 285         SetBackground(MacGetBackgroundBrush(window));
 286     }
 287     else
 288     {
 289         wxLogDebug(wxT("You cannot create a wxPaintDC outside an OS-draw event") ) ;
 290         m_graphicContext = NULL ;
 291     }
 292     // there is no out-of-order drawing on OSX
 293 #else
 294     m_macLocalOrigin.x = x ;
 295     m_macLocalOrigin.y = y ;
 296     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 297     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 298     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 299     SectRgn( (RgnHandle) m_macBoundaryClipRgn  , (RgnHandle) window->GetUpdateRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 300     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 301     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 302     SetBackground(MacGetBackgroundBrush(window));
 303 #endif
 304
 305     SetFont( window->GetFont() ) ;
 306 }
 307
 308 wxPaintDC::~wxPaintDC()
 309 {
 310 }
 311
 312 void wxPaintDC::DoGetSize(int *width, int *height) const
 313 {
 314     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 315
 316     m_window->GetClientSize( width, height );
 317 }