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 #include "wx/wxprec.h"
  13
  14 #include "wx/dcclient.h"
  15 #include "wx/dcmemory.h"
  16 #include "wx/region.h"
  17 #include "wx/window.h"
  18 #include "wx/toplevel.h"
  19 #include "wx/settings.h"
  20 #include "wx/math.h"
  21 #include "wx/mac/private.h"
  22 #include "wx/log.h"
  23
  24 //-----------------------------------------------------------------------------
  25 // constants
  26 //-----------------------------------------------------------------------------
  27
  28 #define RAD2DEG 57.2957795131
  29
  30 //-----------------------------------------------------------------------------
  31 // wxPaintDC
  32 //-----------------------------------------------------------------------------
  33
  34 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
  35 IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
  36 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
  37
  38 /*
  39  * wxWindowDC
  40  */
  41
  42 #include "wx/mac/uma.h"
  43 #include "wx/notebook.h"
  44 #include "wx/tabctrl.h"
  45
  46
  47 static wxBrush MacGetBackgroundBrush( wxWindow* window )
  48 {
  49     wxBrush bkdBrush = window->MacGetBackgroundBrush() ;
  50
  51 #if !TARGET_API_MAC_OSX
  52     // transparency cannot be handled by the OS when not using composited windows
  53     wxWindow* parent = window->GetParent() ;
  54
  55     // if we have some 'pseudo' transparency
  56     if ( ! bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT || window->GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
  57     {
  58         // walk up until we find something
  59         while ( parent != NULL )
  60         {
  61             if ( parent->GetBackgroundColour() != wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
  62             {
  63                 // if we have any other colours in the hierarchy
  64                 bkdBrush.SetColour( parent->GetBackgroundColour() ) ;
  65                 break ;
  66             }
  67
  68             if ( parent->IsKindOf( CLASSINFO(wxTopLevelWindow) ) )
  69             {
  70                 bkdBrush = parent->MacGetBackgroundBrush() ;
  71                 break ;
  72             }
  73
  74             if ( parent->IsKindOf( CLASSINFO( wxNotebook ) ) || parent->IsKindOf( CLASSINFO( wxTabCtrl ) ) )
  75             {
  76                 Rect extent = { 0 , 0 , 0 , 0 } ;
  77                 int x , y ;
  78                 x = y = 0 ;
  79                 wxSize size = parent->GetSize() ;
  80                 parent->MacClientToRootWindow( &x , &y ) ;
  81                 extent.left = x ;
  82                 extent.top = y ;
  83                 extent.top-- ;
  84                 extent.right = x + size.x ;
  85                 extent.bottom = y + size.y ;
  86                 bkdBrush.MacSetThemeBackground( kThemeBackgroundTabPane , (WXRECTPTR) &extent ) ;
  87                 break ;
  88             }
  89
  90             parent = parent->GetParent() ;
  91         }
  92     }
  93
  94     if ( !bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT )
  95     {
  96         // if we did not find something, use a default
  97         bkdBrush.MacSetTheme( kThemeBrushDialogBackgroundActive ) ;
  98     }
  99 #endif
 100
 101     return bkdBrush ;
 102 }
 103
 104 wxWindowDC::wxWindowDC()
 105 {
 106     m_window = NULL ;
 107 }
 108
 109 wxWindowDC::wxWindowDC(wxWindow *window)
 110 {
 111     m_window = window ;
 112     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 113     if (!rootwindow)
 114         return;
 115
 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
 156     m_ok = true ;
 157     SetFont( window->GetFont() ) ;
 158 }
 159
 160 wxWindowDC::~wxWindowDC()
 161 {
 162 }
 163
 164 void wxWindowDC::DoGetSize( int* width, int* height ) const
 165 {
 166     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 167
 168     m_window->GetSize(width, height);
 169 }
 170
 171 /*
 172  * wxClientDC
 173  */
 174
 175 wxClientDC::wxClientDC()
 176 {
 177     m_window = NULL ;
 178 }
 179
 180 wxClientDC::wxClientDC(wxWindow *window)
 181 {
 182     m_window = window ;
 183     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 184     if (!rootwindow)
 185         return;
 186
 187     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 188     wxPoint origin = window->GetClientAreaOrigin() ;
 189     wxSize size = window->GetClientSize() ;
 190     int x , y ;
 191     x = origin.x ;
 192     y = origin.y ;
 193     window->MacWindowToRootWindow( &x , &y ) ;
 194     m_macPort = UMAGetWindowPort( windowref ) ;
 195
 196 #if wxMAC_USE_CORE_GRAPHICS
 197     m_macLocalOriginInPort.x = x ;
 198     m_macLocalOriginInPort.y = y ;
 199     if ( window->MacGetCGContextRef() )
 200     {
 201         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 202         m_graphicContext->SetPen( m_pen ) ;
 203         m_graphicContext->SetBrush( m_brush ) ;
 204         SetClippingRegion( 0 , 0 , size.x , size.y ) ;
 205         SetBackground(MacGetBackgroundBrush(window));
 206     }
 207     else
 208     {
 209         // as out of order redraw is not supported under CQ, we have to create a qd port for these
 210         // situations
 211         m_macLocalOrigin.x = x ;
 212         m_macLocalOrigin.y = y ;
 213         m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
 214         m_graphicContext->SetPen( m_pen ) ;
 215         m_graphicContext->SetBrush( m_brush ) ;
 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 #endif
 226
 227     m_ok = true ;
 228     SetBackground(MacGetBackgroundBrush(window));
 229     SetFont( window->GetFont() ) ;
 230 }
 231
 232 wxClientDC::~wxClientDC()
 233 {
 234 #if wxMAC_USE_CORE_GRAPHICS
 235 /*
 236     if ( m_window->MacGetCGContextRef() == 0)
 237     {
 238         CGContextRef cgContext = (wxMacCGContext*)(m_graphicContext)->GetNativeContext() ;
 239         CGContextFlush( cgContext ) ;
 240     }
 241 */
 242 #endif
 243 }
 244
 245 void wxClientDC::DoGetSize(int *width, int *height) const
 246 {
 247     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 248
 249     m_window->GetClientSize( width, height );
 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
 274 #if wxMAC_USE_CORE_GRAPHICS
 275     m_macLocalOriginInPort.x = x ;
 276     m_macLocalOriginInPort.y = y ;
 277     if ( window->MacGetCGContextRef() )
 278     {
 279         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 280         m_graphicContext->SetPen( m_pen ) ;
 281         m_graphicContext->SetBrush( m_brush ) ;
 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     }
 290     // there is no out-of-order drawing on OSX
 291 #else
 292     m_macLocalOrigin.x = x ;
 293     m_macLocalOrigin.y = y ;
 294     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 295     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 296     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 297     SectRgn( (RgnHandle) m_macBoundaryClipRgn  , (RgnHandle) window->GetUpdateRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 298     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 299     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 300     SetBackground(MacGetBackgroundBrush(window));
 301 #endif
 302
 303     m_ok = true ;
 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 }