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     m_ok = true ;
 123
 124 #if wxMAC_USE_CORE_GRAPHICS
 125     m_macLocalOriginInPort.x = x ;
 126     m_macLocalOriginInPort.y = y ;
 127
 128     if ( window->MacGetCGContextRef() )
 129     {
 130         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 131         m_graphicContext->SetPen( m_pen ) ;
 132         m_graphicContext->SetBrush( m_brush ) ;
 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     }
 145     // there is no out-of-order drawing on OSX
 146 #else
 147     m_macLocalOrigin.x = x ;
 148     m_macLocalOrigin.y = y ;
 149     CopyRgn( (RgnHandle) window->MacGetVisibleRegion(true).GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 150     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 151     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 152 #endif
 153     SetBackground(MacGetBackgroundBrush(window));
 154
 155     SetFont( window->GetFont() ) ;
 156 }
 157
 158 wxWindowDC::~wxWindowDC()
 159 {
 160 }
 161
 162 void wxWindowDC::DoGetSize( int* width, int* height ) const
 163 {
 164     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 165
 166     m_window->GetSize(width, height);
 167 }
 168
 169 /*
 170  * wxClientDC
 171  */
 172
 173 wxClientDC::wxClientDC()
 174 {
 175     m_window = NULL ;
 176 }
 177
 178 wxClientDC::wxClientDC(wxWindow *window)
 179 {
 180     m_window = window ;
 181     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 182     if (!rootwindow)
 183         return;
 184
 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     m_ok = true ;
 194
 195 #if wxMAC_USE_CORE_GRAPHICS
 196     m_macLocalOriginInPort.x = x ;
 197     m_macLocalOriginInPort.y = y ;
 198     if ( window->MacGetCGContextRef() )
 199     {
 200         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 201         m_graphicContext->SetPen( m_pen ) ;
 202         m_graphicContext->SetBrush( m_brush ) ;
 203         SetClippingRegion( 0 , 0 , size.x , size.y ) ;
 204     }
 205     else
 206     {
 207         // as out of order redraw is not supported under CQ,
 208         // we have to create a QD port for these situations
 209         m_macLocalOrigin.x = x ;
 210         m_macLocalOrigin.y = y ;
 211         m_graphicContext = new wxMacCGContext( (CGrafPtr) m_macPort ) ;
 212         m_graphicContext->SetPen( m_pen ) ;
 213         m_graphicContext->SetBrush( m_brush ) ;
 214      }
 215 #else
 216     m_macLocalOrigin.x = x ;
 217     m_macLocalOrigin.y = y ;
 218     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 219     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 220     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 221     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 222     CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle)  m_macCurrentClipRgn ) ;
 223 #endif
 224
 225     SetBackground(MacGetBackgroundBrush(window));
 226     SetFont( window->GetFont() ) ;
 227 }
 228
 229 wxClientDC::~wxClientDC()
 230 {
 231 #if wxMAC_USE_CORE_GRAPHICS
 232 /*
 233     if ( m_window->MacGetCGContextRef() == 0)
 234     {
 235         CGContextRef cgContext = (wxMacCGContext*)(m_graphicContext)->GetNativeContext() ;
 236         CGContextFlush( cgContext ) ;
 237     }
 238 */
 239 #endif
 240 }
 241
 242 void wxClientDC::DoGetSize(int *width, int *height) const
 243 {
 244     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 245
 246     m_window->GetClientSize( width, height );
 247 }
 248
 249 /*
 250  * wxPaintDC
 251  */
 252
 253 wxPaintDC::wxPaintDC()
 254 {
 255     m_window = NULL ;
 256 }
 257
 258 wxPaintDC::wxPaintDC(wxWindow *window)
 259 {
 260     m_window = window ;
 261     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 262     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 263     wxPoint origin = window->GetClientAreaOrigin() ;
 264     wxSize size = window->GetClientSize() ;
 265     int x , y ;
 266     x = origin.x ;
 267     y = origin.y ;
 268     window->MacWindowToRootWindow( &x , &y ) ;
 269     m_macPort = UMAGetWindowPort( windowref ) ;
 270     m_ok = true ;
 271
 272 #if wxMAC_USE_CORE_GRAPHICS
 273     m_macLocalOriginInPort.x = x ;
 274     m_macLocalOriginInPort.y = y ;
 275     if ( window->MacGetCGContextRef() )
 276     {
 277         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 278         m_graphicContext->SetPen( m_pen ) ;
 279         m_graphicContext->SetBrush( m_brush ) ;
 280         SetClippingRegion( 0 , 0 , size.x , size.y ) ;
 281         SetBackground(MacGetBackgroundBrush(window));
 282     }
 283     else
 284     {
 285         wxLogDebug(wxT("You cannot create a wxPaintDC outside an OS-draw event") ) ;
 286         m_graphicContext = NULL ;
 287     }
 288     // there is no out-of-order drawing on OSX
 289 #else
 290     m_macLocalOrigin.x = x ;
 291     m_macLocalOrigin.y = y ;
 292     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 293     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 294     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 295     SectRgn( (RgnHandle) m_macBoundaryClipRgn  , (RgnHandle) window->GetUpdateRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 296     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 297     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 298     SetBackground(MacGetBackgroundBrush(window));
 299 #endif
 300
 301     SetFont( window->GetFont() ) ;
 302 }
 303
 304 wxPaintDC::~wxPaintDC()
 305 {
 306 }
 307
 308 void wxPaintDC::DoGetSize(int *width, int *height) const
 309 {
 310     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 311
 312     m_window->GetClientSize( width, height );
 313 }