src/mac/carbon/dcclient.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  13 #pragma implementation "dcclient.h"
  14 #endif
  15
  16 #include "wx/wxprec.h"
  17
  18 #include "wx/dcclient.h"
  19 #include "wx/dcmemory.h"
  20 #include "wx/region.h"
  21 #include "wx/window.h"
  22 #include "wx/toplevel.h"
  23 #include "wx/settings.h"
  24 #include "wx/math.h"
  25 #include "wx/mac/private.h"
  26 #include "wx/log.h"
  27
  28 //-----------------------------------------------------------------------------
  29 // constants
  30 //-----------------------------------------------------------------------------
  31
  32 #define RAD2DEG 57.2957795131
  33
  34 //-----------------------------------------------------------------------------
  35 // wxPaintDC
  36 //-----------------------------------------------------------------------------
  37
  38 #if !USE_SHARED_LIBRARY
  39 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
  40 IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
  41 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
  42 #endif
  43
  44 /*
  45  * wxWindowDC
  46  */
  47
  48 #include "wx/mac/uma.h"
  49 #include "wx/notebook.h"
  50 #include "wx/tabctrl.h"
  51
  52
  53 static wxBrush MacGetBackgroundBrush( wxWindow* window )
  54 {
  55     wxBrush bkdBrush = window->MacGetBackgroundBrush() ;
  56 #if !TARGET_API_MAC_OSX
  57     // transparency cannot be handled by the OS when not using composited windows
  58     wxWindow* parent = window->GetParent() ;
  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             if ( parent->IsKindOf( CLASSINFO(wxTopLevelWindow) ) )
  72             {
  73                 bkdBrush = parent->MacGetBackgroundBrush() ;
  74                 break ;
  75             }
  76             if ( parent->IsKindOf( CLASSINFO( wxNotebook ) ) || parent->IsKindOf( CLASSINFO( wxTabCtrl ) ) )
  77             {
  78                 Rect extent = { 0 , 0 , 0 , 0 } ;
  79                 int x , y ;
  80                 x = y = 0 ;
  81                 wxSize size = parent->GetSize() ;
  82                 parent->MacClientToRootWindow( &x , &y ) ;
  83                 extent.left = x ;
  84                 extent.top = y ;
  85                 extent.top-- ;
  86                 extent.right = x + size.x ;
  87                 extent.bottom = y + size.y ;
  88                 bkdBrush.MacSetThemeBackground( kThemeBackgroundTabPane , (WXRECTPTR) &extent ) ;
  89                 break ;
  90             }
  91
  92             parent = parent->GetParent() ;
  93         }
  94     }
  95     if ( !bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT )
  96     {
  97         // if we did not find something, use a default
  98         bkdBrush.MacSetTheme( kThemeBrushDialogBackgroundActive ) ;
  99     }
 100 #endif
 101     return bkdBrush ;
 102 }
 103
 104
 105 wxWindowDC::wxWindowDC()
 106 {
 107     m_window = NULL ;
 108 }
 109
 110 wxWindowDC::wxWindowDC(wxWindow *window)
 111 {
 112     m_window = window ;
 113     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 114     if (!rootwindow)
 115         return;
 116     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 117     int x , y ;
 118     x = y = 0 ;
 119     wxSize size = window->GetSize() ;
 120     window->MacWindowToRootWindow( &x , &y ) ;
 121     m_macPort = UMAGetWindowPort( windowref ) ;
 122
 123 #if wxMAC_USE_CORE_GRAPHICS
 124     m_macLocalOriginInPort.x = x ;
 125     m_macLocalOriginInPort.y = y ;
 126
 127     if ( window->MacGetCGContextRef() )
 128     {
 129         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 130         m_graphicContext->SetPen( m_pen ) ;
 131         m_graphicContext->SetBrush( m_brush ) ;
 132         SetBackground(MacGetBackgroundBrush(window));
 133     }
 134     else
 135     {
 136         // as out of order redraw is not supported under CQ, we have to create a qd port for these
 137         // situations
 138         m_macLocalOrigin.x = x ;
 139         m_macLocalOrigin.y = y ;
 140
 141         m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
 142         m_graphicContext->SetPen( m_pen ) ;
 143         m_graphicContext->SetBrush( m_brush ) ;
 144         SetBackground(MacGetBackgroundBrush(window));
 145     }
 146     // there is no out-of-order drawing on OSX
 147 #else
 148     m_macLocalOrigin.x = x ;
 149     m_macLocalOrigin.y = y ;
 150     CopyRgn( (RgnHandle) window->MacGetVisibleRegion(true).GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 151     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 152     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 153     SetBackground(MacGetBackgroundBrush(window));
 154 #endif
 155     m_ok = TRUE ;
 156     SetFont( window->GetFont() ) ;
 157 }
 158
 159 wxWindowDC::~wxWindowDC()
 160 {
 161 }
 162
 163 void wxWindowDC::DoGetSize( int* width, int* height ) const
 164 {
 165     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 166
 167     m_window->GetSize(width, height);
 168 }
 169
 170 /*
 171  * wxClientDC
 172  */
 173
 174 wxClientDC::wxClientDC()
 175 {
 176     m_window = NULL ;
 177 }
 178
 179 wxClientDC::wxClientDC(wxWindow *window)
 180 {
 181     m_window = window ;
 182     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 183     if (!rootwindow)
 184         return;
 185     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 186     wxPoint origin = window->GetClientAreaOrigin() ;
 187     wxSize size = window->GetClientSize() ;
 188     int x , y ;
 189     x = origin.x ;
 190     y = origin.y ;
 191     window->MacWindowToRootWindow( &x , &y ) ;
 192     m_macPort = UMAGetWindowPort( windowref ) ;
 193
 194 #if wxMAC_USE_CORE_GRAPHICS
 195     m_macLocalOriginInPort.x = x ;
 196     m_macLocalOriginInPort.y = y ;
 197     if ( window->MacGetCGContextRef() )
 198     {
 199         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 200         m_graphicContext->SetPen( m_pen ) ;
 201         m_graphicContext->SetBrush( m_brush ) ;
 202         m_ok = TRUE ;
 203         SetClippingRegion( 0 , 0 , size.x , size.y ) ;
 204         SetBackground(MacGetBackgroundBrush(window));
 205     }
 206     else
 207     {
 208         // as out of order redraw is not supported under CQ, we have to create a qd port for these
 209         // situations
 210         m_macLocalOrigin.x = x ;
 211         m_macLocalOrigin.y = y ;
 212         m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
 213         m_graphicContext->SetPen( m_pen ) ;
 214         m_graphicContext->SetBrush( m_brush ) ;
 215         m_ok = TRUE ;
 216      }
 217 #else
 218     m_macLocalOrigin.x = x ;
 219     m_macLocalOrigin.y = y ;
 220     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 221     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 222     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 223     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 224     CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle)  m_macCurrentClipRgn ) ;
 225     m_ok = TRUE ;
 226 #endif
 227     SetBackground(MacGetBackgroundBrush(window));
 228     SetFont( window->GetFont() ) ;
 229 }
 230
 231 wxClientDC::~wxClientDC()
 232 {
 233 #if wxMAC_USE_CORE_GRAPHICS
 234 /*
 235     if ( m_window->MacGetCGContextRef() == 0)
 236     {
 237         CGContextRef cgContext = dynamic_cast<wxMacCGContext*>(m_graphicContext)->GetNativeContext() ;
 238         CGContextFlush( cgContext ) ;
 239     }
 240 */
 241 #endif
 242 }
 243
 244 void wxClientDC::DoGetSize(int *width, int *height) const
 245 {
 246     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 247
 248     m_window->GetClientSize( width, height );
 249 }
 250
 251
 252 /*
 253  * wxPaintDC
 254  */
 255
 256 wxPaintDC::wxPaintDC()
 257 {
 258     m_window = NULL ;
 259 }
 260
 261 wxPaintDC::wxPaintDC(wxWindow *window)
 262 {
 263     m_window = window ;
 264     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 265     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 266     wxPoint origin = window->GetClientAreaOrigin() ;
 267     wxSize size = window->GetClientSize() ;
 268     int x , y ;
 269     x = origin.x ;
 270     y = origin.y ;
 271     window->MacWindowToRootWindow( &x , &y ) ;
 272     m_macPort = UMAGetWindowPort( windowref ) ;
 273 #if wxMAC_USE_CORE_GRAPHICS
 274     m_macLocalOriginInPort.x = x ;
 275     m_macLocalOriginInPort.y = y ;
 276     if ( window->MacGetCGContextRef() )
 277     {
 278         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 279         m_graphicContext->SetPen( m_pen ) ;
 280         m_graphicContext->SetBrush( m_brush ) ;
 281         m_ok = TRUE ;
 282         SetClippingRegion( 0 , 0 , size.x , size.y ) ;
 283         SetBackground(MacGetBackgroundBrush(window));
 284     }
 285     else
 286     {
 287         wxLogDebug(wxT("You cannot create a wxPaintDC outside an OS-draw event") ) ;
 288         m_graphicContext = NULL ;
 289         m_ok = TRUE ;
 290     }
 291     // there is no out-of-order drawing on OSX
 292 #else
 293     m_macLocalOrigin.x = x ;
 294     m_macLocalOrigin.y = y ;
 295     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 296     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 297     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 298     SectRgn( (RgnHandle) m_macBoundaryClipRgn  , (RgnHandle) window->GetUpdateRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 299     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 300     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 301     SetBackground(MacGetBackgroundBrush(window));
 302     m_ok = TRUE ;
 303 #endif
 304     SetFont( window->GetFont() ) ;
 305 }
 306
 307 wxPaintDC::~wxPaintDC()
 308 {
 309 }
 310
 311 void wxPaintDC::DoGetSize(int *width, int *height) const
 312 {
 313     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 314
 315     m_window->GetClientSize( width, height );
 316 }
 317
 318