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 #endif
  21
  22 #include "wx/region.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 ) )
  79 #if wxUSE_TAB_DIALOG
  80                  || parent->IsKindOf( CLASSINFO( wxTabCtrl ) )
  81 #endif // wxUSE_TAB_DIALOG
  82                 )
  83             {
  84                 Rect extent = { 0 , 0 , 0 , 0 } ;
  85                 int x , y ;
  86                 x = y = 0 ;
  87                 wxSize size = parent->GetSize() ;
  88                 parent->MacClientToRootWindow( &x , &y ) ;
  89                 extent.left = x ;
  90                 extent.top = y ;
  91                 extent.top-- ;
  92                 extent.right = x + size.x ;
  93                 extent.bottom = y + size.y ;
  94                 bkdBrush.MacSetThemeBackground( kThemeBackgroundTabPane , (WXRECTPTR) &extent ) ;
  95                 break ;
  96             }
  97
  98             parent = parent->GetParent() ;
  99         }
 100     }
 101
 102     if ( !bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT )
 103     {
 104         // if we did not find something, use a default
 105         bkdBrush.MacSetTheme( kThemeBrushDialogBackgroundActive ) ;
 106     }
 107 #endif
 108
 109     return bkdBrush ;
 110 }
 111
 112 wxWindowDC::wxWindowDC()
 113 {
 114     m_window = NULL ;
 115 }
 116
 117 wxWindowDC::wxWindowDC(wxWindow *window)
 118 {
 119     m_window = window ;
 120     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 121     if (!rootwindow)
 122         return;
 123
 124     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 125     int x , y ;
 126     x = y = 0 ;
 127     wxSize size = window->GetSize() ;
 128     window->MacWindowToRootWindow( &x , &y ) ;
 129     m_macPort = UMAGetWindowPort( windowref ) ;
 130     m_ok = true ;
 131
 132 #if wxMAC_USE_CORE_GRAPHICS
 133     m_macLocalOriginInPort.x = x ;
 134     m_macLocalOriginInPort.y = y ;
 135
 136     if ( window->MacGetCGContextRef() )
 137     {
 138         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 139         m_graphicContext->SetPen( m_pen ) ;
 140         m_graphicContext->SetBrush( m_brush ) ;
 141     }
 142     else
 143     {
 144         // as out of order redraw is not supported under CQ, we have to create a qd port for these
 145         // situations
 146         m_macLocalOrigin.x = x ;
 147         m_macLocalOrigin.y = y ;
 148
 149         m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
 150         m_graphicContext->SetPen( m_pen ) ;
 151         m_graphicContext->SetBrush( m_brush ) ;
 152     }
 153     // there is no out-of-order drawing on OSX
 154 #else
 155     m_macLocalOrigin.x = x ;
 156     m_macLocalOrigin.y = y ;
 157     CopyRgn( (RgnHandle) window->MacGetVisibleRegion(true).GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 158     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 159     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 160 #endif
 161     SetBackground(MacGetBackgroundBrush(window));
 162
 163     SetFont( window->GetFont() ) ;
 164 }
 165
 166 wxWindowDC::~wxWindowDC()
 167 {
 168 }
 169
 170 void wxWindowDC::DoGetSize( int* width, int* height ) const
 171 {
 172     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 173
 174     m_window->GetSize(width, height);
 175 }
 176
 177 /*
 178  * wxClientDC
 179  */
 180
 181 wxClientDC::wxClientDC()
 182 {
 183     m_window = NULL ;
 184 }
 185
 186 wxClientDC::wxClientDC(wxWindow *window)
 187 {
 188     m_window = window ;
 189     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 190     if (!rootwindow)
 191         return;
 192
 193     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 194     wxPoint origin = window->GetClientAreaOrigin() ;
 195     wxSize size = window->GetClientSize() ;
 196     int x , y ;
 197     x = origin.x ;
 198     y = origin.y ;
 199     window->MacWindowToRootWindow( &x , &y ) ;
 200     m_macPort = UMAGetWindowPort( windowref ) ;
 201     m_ok = true ;
 202
 203 #if wxMAC_USE_CORE_GRAPHICS
 204     m_macLocalOriginInPort.x = x ;
 205     m_macLocalOriginInPort.y = y ;
 206     if ( window->MacGetCGContextRef() )
 207     {
 208         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 209         m_graphicContext->SetPen( m_pen ) ;
 210         m_graphicContext->SetBrush( m_brush ) ;
 211         SetClippingRegion( 0 , 0 , size.x , size.y ) ;
 212     }
 213     else
 214     {
 215         // as out of order redraw is not supported under CQ,
 216         // we have to create a QD port for these situations
 217         m_macLocalOrigin.x = x ;
 218         m_macLocalOrigin.y = y ;
 219         m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
 220         m_graphicContext->SetPen( m_pen ) ;
 221         m_graphicContext->SetBrush( m_brush ) ;
 222      }
 223 #else
 224     m_macLocalOrigin.x = x ;
 225     m_macLocalOrigin.y = y ;
 226     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 227     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 228     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 229     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 230     CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle)  m_macCurrentClipRgn ) ;
 231 #endif
 232
 233     SetBackground(MacGetBackgroundBrush(window));
 234     SetFont( window->GetFont() ) ;
 235 }
 236
 237 wxClientDC::~wxClientDC()
 238 {
 239 #if wxMAC_USE_CORE_GRAPHICS
 240 /*
 241     if ( m_window->MacGetCGContextRef() == 0)
 242     {
 243         CGContextRef cgContext = (wxMacCGContext*)(m_graphicContext)->GetNativeContext() ;
 244         CGContextFlush( cgContext ) ;
 245     }
 246 */
 247 #endif
 248 }
 249
 250 void wxClientDC::DoGetSize(int *width, int *height) const
 251 {
 252     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 253
 254     m_window->GetClientSize( width, height );
 255 }
 256
 257 /*
 258  * wxPaintDC
 259  */
 260
 261 wxPaintDC::wxPaintDC()
 262 {
 263     m_window = NULL ;
 264 }
 265
 266 wxPaintDC::wxPaintDC(wxWindow *window)
 267 {
 268     m_window = window ;
 269     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 270     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 271     wxPoint origin = window->GetClientAreaOrigin() ;
 272     wxSize size = window->GetClientSize() ;
 273     int x , y ;
 274     x = origin.x ;
 275     y = origin.y ;
 276     window->MacWindowToRootWindow( &x , &y ) ;
 277     m_macPort = UMAGetWindowPort( windowref ) ;
 278     m_ok = true ;
 279
 280 #if wxMAC_USE_CORE_GRAPHICS
 281     m_macLocalOriginInPort.x = x ;
 282     m_macLocalOriginInPort.y = y ;
 283     if ( window->MacGetCGContextRef() )
 284     {
 285         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 286         m_graphicContext->SetPen( m_pen ) ;
 287         m_graphicContext->SetBrush( m_brush ) ;
 288         SetClippingRegion( 0 , 0 , size.x , size.y ) ;
 289         SetBackground(MacGetBackgroundBrush(window));
 290     }
 291     else
 292     {
 293         wxLogDebug(wxT("You cannot create a wxPaintDC outside an OS-draw event") ) ;
 294         m_graphicContext = NULL ;
 295     }
 296     // there is no out-of-order drawing on OSX
 297 #else
 298     m_macLocalOrigin.x = x ;
 299     m_macLocalOrigin.y = y ;
 300     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 301     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 302     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 303     SectRgn( (RgnHandle) m_macBoundaryClipRgn  , (RgnHandle) window->GetUpdateRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 304     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 305     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 306     SetBackground(MacGetBackgroundBrush(window));
 307 #endif
 308
 309     SetFont( window->GetFont() ) ;
 310 }
 311
 312 wxPaintDC::~wxPaintDC()
 313 {
 314 }
 315
 316 void wxPaintDC::DoGetSize(int *width, int *height) const
 317 {
 318     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 319
 320     m_window->GetClientSize( width, height );
 321 }