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     #include "wx/window.h"
  19     #include "wx/dcmemory.h"
  20     #include "wx/settings.h"
  21     #include "wx/toplevel.h"
  22     #include "wx/math.h"
  23     #include "wx/region.h"
  24 #endif
  25
  26 #include "wx/mac/private.h"
  27
  28 //-----------------------------------------------------------------------------
  29 // constants
  30 //-----------------------------------------------------------------------------
  31
  32 //-----------------------------------------------------------------------------
  33 // wxPaintDC
  34 //-----------------------------------------------------------------------------
  35
  36 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
  37 IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
  38 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
  39
  40 /*
  41  * wxWindowDC
  42  */
  43
  44 #include "wx/mac/uma.h"
  45 #include "wx/notebook.h"
  46 #include "wx/tabctrl.h"
  47
  48
  49 static wxBrush MacGetBackgroundBrush( wxWindow* window )
  50 {
  51     wxBrush bkdBrush = window->MacGetBackgroundBrush() ;
  52
  53 #if !TARGET_API_MAC_OSX
  54     // transparency cannot be handled by the OS when not using composited windows
  55     wxWindow* parent = window->GetParent() ;
  56
  57     // if we have some 'pseudo' transparency
  58     if ( ! bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT || window->GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
  59     {
  60         // walk up until we find something
  61         while ( parent != NULL )
  62         {
  63             if ( parent->GetBackgroundColour() != wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
  64             {
  65                 // if we have any other colours in the hierarchy
  66                 bkdBrush.SetColour( parent->GetBackgroundColour() ) ;
  67                 break ;
  68             }
  69
  70             if ( parent->IsKindOf( CLASSINFO(wxTopLevelWindow) ) )
  71             {
  72                 bkdBrush = parent->MacGetBackgroundBrush() ;
  73                 break ;
  74             }
  75
  76             if ( parent->IsKindOf( CLASSINFO( wxNotebook ) )
  77 #if wxUSE_TAB_DIALOG
  78                  || parent->IsKindOf( CLASSINFO( wxTabCtrl ) )
  79 #endif // wxUSE_TAB_DIALOG
  80                 )
  81             {
  82                 Rect extent = { 0 , 0 , 0 , 0 } ;
  83                 int x , y ;
  84                 x = y = 0 ;
  85                 wxSize size = parent->GetSize() ;
  86                 parent->MacClientToRootWindow( &x , &y ) ;
  87                 extent.left = x ;
  88                 extent.top = y ;
  89                 extent.top-- ;
  90                 extent.right = x + size.x ;
  91                 extent.bottom = y + size.y ;
  92                 bkdBrush.MacSetThemeBackground( kThemeBackgroundTabPane , (WXRECTPTR) &extent ) ;
  93                 break ;
  94             }
  95
  96             parent = parent->GetParent() ;
  97         }
  98     }
  99
 100     if ( !bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT )
 101     {
 102         // if we did not find something, use a default
 103         bkdBrush.MacSetTheme( kThemeBrushDialogBackgroundActive ) ;
 104     }
 105 #endif
 106
 107     return bkdBrush ;
 108 }
 109
 110 wxWindowDC::wxWindowDC()
 111 {
 112     m_window = NULL ;
 113 }
 114
 115 wxWindowDC::wxWindowDC(wxWindow *window)
 116 {
 117     m_window = window ;
 118     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 119     if (!rootwindow)
 120         return;
 121
 122     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 123     int x , y ;
 124     x = y = 0 ;
 125     window->MacWindowToRootWindow( &x , &y ) ;
 126     m_macPort = UMAGetWindowPort( windowref ) ;
 127     m_ok = true ;
 128
 129 #if wxMAC_USE_CORE_GRAPHICS
 130     m_macLocalOriginInPort.x = x ;
 131     m_macLocalOriginInPort.y = y ;
 132
 133     if ( window->MacGetCGContextRef() )
 134     {
 135         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 136         m_graphicContext->SetPen( m_pen ) ;
 137         m_graphicContext->SetBrush( m_brush ) ;
 138     }
 139     else
 140     {
 141         // as out of order redraw is not supported under CQ, we have to create a qd port for these
 142         // situations
 143         m_macLocalOrigin.x = x ;
 144         m_macLocalOrigin.y = y ;
 145
 146         m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
 147         m_graphicContext->SetPen( m_pen ) ;
 148         m_graphicContext->SetBrush( m_brush ) ;
 149     }
 150     // there is no out-of-order drawing on OSX
 151 #else
 152     m_macLocalOrigin.x = x ;
 153     m_macLocalOrigin.y = y ;
 154     CopyRgn( (RgnHandle) window->MacGetVisibleRegion(true).GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 155     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 156     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 157 #endif
 158     SetBackground(MacGetBackgroundBrush(window));
 159
 160     SetFont( window->GetFont() ) ;
 161 }
 162
 163 wxWindowDC::~wxWindowDC()
 164 {
 165 }
 166
 167 void wxWindowDC::DoGetSize( int* width, int* height ) const
 168 {
 169     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 170
 171     m_window->GetSize(width, height);
 172 }
 173
 174 /*
 175  * wxClientDC
 176  */
 177
 178 wxClientDC::wxClientDC()
 179 {
 180     m_window = NULL ;
 181 }
 182
 183 wxClientDC::wxClientDC(wxWindow *window)
 184 {
 185     m_window = window ;
 186     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 187     if (!rootwindow)
 188         return;
 189
 190     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 191     wxPoint origin = window->GetClientAreaOrigin() ;
 192     wxSize size = window->GetClientSize() ;
 193     int x , y ;
 194     x = origin.x ;
 195     y = origin.y ;
 196     window->MacWindowToRootWindow( &x , &y ) ;
 197     m_macPort = UMAGetWindowPort( windowref ) ;
 198     m_ok = true ;
 199
 200 #if wxMAC_USE_CORE_GRAPHICS
 201     m_macLocalOriginInPort.x = x ;
 202     m_macLocalOriginInPort.y = y ;
 203     if ( window->MacGetCGContextRef() )
 204     {
 205         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 206         m_graphicContext->SetPen( m_pen ) ;
 207         m_graphicContext->SetBrush( m_brush ) ;
 208         SetClippingRegion( 0 , 0 , size.x , size.y ) ;
 209     }
 210     else
 211     {
 212         // as out of order redraw is not supported under CQ,
 213         // we have to create a QD port for these situations
 214         m_macLocalOrigin.x = x ;
 215         m_macLocalOrigin.y = y ;
 216         m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
 217         m_graphicContext->SetPen( m_pen ) ;
 218         m_graphicContext->SetBrush( m_brush ) ;
 219      }
 220 #else
 221     m_macLocalOrigin.x = x ;
 222     m_macLocalOrigin.y = y ;
 223     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 224     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 225     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 226     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 227     CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle)  m_macCurrentClipRgn ) ;
 228 #endif
 229
 230     SetBackground(MacGetBackgroundBrush(window));
 231     SetFont( window->GetFont() ) ;
 232 }
 233
 234 wxClientDC::~wxClientDC()
 235 {
 236 #if wxMAC_USE_CORE_GRAPHICS
 237 /*
 238     if ( m_window->MacGetCGContextRef() == 0)
 239     {
 240         CGContextRef cgContext = (wxMacCGContext*)(m_graphicContext)->GetNativeContext() ;
 241         CGContextFlush( cgContext ) ;
 242     }
 243 */
 244 #endif
 245 }
 246
 247 void wxClientDC::DoGetSize(int *width, int *height) const
 248 {
 249     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 250
 251     m_window->GetClientSize( width, height );
 252 }
 253
 254 /*
 255  * wxPaintDC
 256  */
 257
 258 wxPaintDC::wxPaintDC()
 259 {
 260     m_window = NULL ;
 261 }
 262
 263 wxPaintDC::wxPaintDC(wxWindow *window)
 264 {
 265     m_window = window ;
 266     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 267     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 268     wxPoint origin = window->GetClientAreaOrigin() ;
 269     wxSize size = window->GetClientSize() ;
 270     int x , y ;
 271     x = origin.x ;
 272     y = origin.y ;
 273     window->MacWindowToRootWindow( &x , &y ) ;
 274     m_macPort = UMAGetWindowPort( windowref ) ;
 275     m_ok = true ;
 276
 277 #if wxMAC_USE_CORE_GRAPHICS
 278     m_macLocalOriginInPort.x = x ;
 279     m_macLocalOriginInPort.y = y ;
 280     if ( window->MacGetCGContextRef() )
 281     {
 282         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 283         m_graphicContext->SetPen( m_pen ) ;
 284         m_graphicContext->SetBrush( m_brush ) ;
 285         SetClippingRegion( 0 , 0 , size.x , size.y ) ;
 286         SetBackground(MacGetBackgroundBrush(window));
 287     }
 288     else
 289     {
 290         wxLogDebug(wxT("You cannot create a wxPaintDC outside an OS-draw event") ) ;
 291         m_graphicContext = NULL ;
 292     }
 293     // there is no out-of-order drawing on OSX
 294 #else
 295     m_macLocalOrigin.x = x ;
 296     m_macLocalOrigin.y = y ;
 297     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 298     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 299     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 300     SectRgn( (RgnHandle) m_macBoundaryClipRgn  , (RgnHandle) window->GetUpdateRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 301     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 302     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 303     SetBackground(MacGetBackgroundBrush(window));
 304 #endif
 305
 306     SetFont( window->GetFont() ) ;
 307 }
 308
 309 wxPaintDC::~wxPaintDC()
 310 {
 311 }
 312
 313 void wxPaintDC::DoGetSize(int *width, int *height) const
 314 {
 315     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 316
 317     m_window->GetClientSize( width, height );
 318 }