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
  27 //-----------------------------------------------------------------------------
  28 // constants
  29 //-----------------------------------------------------------------------------
  30
  31 #define RAD2DEG 57.2957795131
  32
  33 //-----------------------------------------------------------------------------
  34 // wxPaintDC
  35 //-----------------------------------------------------------------------------
  36
  37 #if !USE_SHARED_LIBRARY
  38 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
  39 IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
  40 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
  41 #endif
  42
  43 /*
  44  * wxWindowDC
  45  */
  46
  47 #include "wx/mac/uma.h"
  48 #include "wx/notebook.h"
  49 #include "wx/tabctrl.h"
  50
  51
  52 static wxBrush MacGetBackgroundBrush( wxWindow* window )
  53 {
  54     wxBrush bkdBrush = window->MacGetBackgroundBrush() ;
  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     // if we have some 'pseudo' transparency
  59     if ( ! bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT || window->GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
  60     {
  61         // walk up until we find something
  62         while( parent != NULL )
  63         {
  64             if ( parent->GetBackgroundColour() != wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
  65             {
  66                 // if we have any other colours in the hierarchy
  67                 bkdBrush.SetColour( parent->GetBackgroundColour() ) ;
  68                 break ;
  69             }
  70             if ( parent->IsKindOf( CLASSINFO(wxTopLevelWindow) ) )
  71             {
  72                 bkdBrush = parent->MacGetBackgroundBrush() ;
  73                 break ;
  74             }
  75             if ( parent->IsKindOf( CLASSINFO( wxNotebook ) ) || parent->IsKindOf( CLASSINFO( wxTabCtrl ) ) )
  76             {
  77                 Rect extent = { 0 , 0 , 0 , 0 } ;
  78                 int x , y ;
  79                 x = y = 0 ;
  80                 wxSize size = parent->GetSize() ;
  81                 parent->MacClientToRootWindow( &x , &y ) ;
  82                 extent.left = x ;
  83                 extent.top = y ;
  84                 extent.top-- ;
  85                 extent.right = x + size.x ;
  86                 extent.bottom = y + size.y ;
  87                 bkdBrush.MacSetThemeBackground( kThemeBackgroundTabPane , (WXRECTPTR) &extent ) ;
  88                 break ;
  89             }
  90
  91             parent = parent->GetParent() ;
  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     return bkdBrush ;
 101 }
 102
 103
 104 wxWindowDC::wxWindowDC()
 105 {
 106     m_window = NULL ;
 107 }
 108
 109 wxWindowDC::wxWindowDC(wxWindow *window)
 110 {
 111     m_window = window ;
 112 #if wxMAC_USE_CORE_GRAPHICS
 113     if ( window->MacGetCGContextRef() )
 114     {
 115         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 116         m_graphicContext->SetPen( m_pen ) ;
 117         m_graphicContext->SetBrush( m_brush ) ;
 118         SetBackground(MacGetBackgroundBrush(window));
 119     }
 120     else
 121     {
 122         // as out of order redraw is not supported under CQ, we have to create a qd port for these
 123         // situations
 124         wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 125         if (!rootwindow)
 126             return;
 127         WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 128         wxSize size = window->GetClientSize() ;
 129         int x , y ;
 130         x = y = 0 ;
 131         window->MacWindowToRootWindow( &x , &y ) ;
 132         m_macLocalOrigin.x = x ;
 133         m_macLocalOrigin.y = y ;
 134         CGrafPtr port = UMAGetWindowPort( windowref ) ;
 135
 136         m_graphicContext = new wxMacCGContext( port ) ;
 137         m_graphicContext->SetPen( m_pen ) ;
 138         m_graphicContext->SetBrush( m_brush ) ;
 139         SetBackground(MacGetBackgroundBrush(window));
 140     }
 141     // there is no out-of-order drawing on OSX
 142 #else
 143     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 144     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 145     int x , y ;
 146     x = y = 0 ;
 147     window->MacWindowToRootWindow( &x , &y ) ;
 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     m_macPort = UMAGetWindowPort( windowref ) ;
 154     SetBackground(MacGetBackgroundBrush(window));
 155 #endif
 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 #if wxMAC_USE_CORE_GRAPHICS
 184     m_graphicContext = NULL ;
 185     if ( window->MacGetCGContextRef() )
 186     {
 187         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 188         m_graphicContext->SetPen( m_pen ) ;
 189         m_graphicContext->SetBrush( m_brush ) ;
 190         SetBackground(MacGetBackgroundBrush(window));
 191     }
 192     else
 193     {
 194         // as out of order redraw is not supported under CQ, we have to create a qd port for these
 195         // situations
 196         wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 197         if (!rootwindow)
 198             return;
 199         WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 200         wxPoint origin = window->GetClientAreaOrigin() ;
 201         wxSize size = window->GetClientSize() ;
 202         int x , y ;
 203         x = origin.x ;
 204         y = origin.y ;
 205         window->MacWindowToRootWindow( &x , &y ) ;
 206         m_macLocalOrigin.x = x ;
 207         m_macLocalOrigin.y = y ;
 208         CGrafPtr port = UMAGetWindowPort( windowref ) ;
 209
 210         m_graphicContext = new wxMacCGContext( port ) ;
 211         m_graphicContext->SetPen( m_pen ) ;
 212         m_graphicContext->SetBrush( m_brush ) ;
 213         SetBackground(MacGetBackgroundBrush(window));
 214      }
 215     m_ok = TRUE ;
 216 #else
 217     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 218     if (!rootwindow)
 219         return;
 220     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 221     wxPoint origin = window->GetClientAreaOrigin() ;
 222     wxSize size = window->GetClientSize() ;
 223     int x , y ;
 224     x = origin.x ;
 225     y = origin.y ;
 226     window->MacWindowToRootWindow( &x , &y ) ;
 227     m_macLocalOrigin.x = x ;
 228     m_macLocalOrigin.y = y ;
 229     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 230     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 231     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 232     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 233     CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle)  m_macCurrentClipRgn ) ;
 234     m_macPort = UMAGetWindowPort( windowref ) ;
 235     m_ok = TRUE ;
 236 #endif
 237     SetBackground(MacGetBackgroundBrush(window));
 238     SetFont( window->GetFont() ) ;
 239 }
 240
 241 wxClientDC::~wxClientDC()
 242 {
 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 /*
 254  * wxPaintDC
 255  */
 256
 257 wxPaintDC::wxPaintDC()
 258 {
 259     m_window = NULL ;
 260 }
 261
 262 wxPaintDC::wxPaintDC(wxWindow *window)
 263 {
 264     m_window = window ;
 265 #if wxMAC_USE_CORE_GRAPHICS
 266     if ( window->MacGetCGContextRef() )
 267     {
 268         m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
 269         m_graphicContext->SetPen( m_pen ) ;
 270         m_graphicContext->SetBrush( m_brush ) ;
 271         SetBackground(MacGetBackgroundBrush(window));
 272         m_ok = TRUE ;
 273     }
 274     else
 275     {
 276         wxLogDebug(wxT("You cannot create a wxPaintDC outside an OS-draw event") ) ;
 277         m_graphicContext = NULL ;
 278         m_ok = TRUE ;
 279     }
 280     // there is no out-of-order drawing on OSX
 281 #else
 282     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 283     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 284     wxPoint origin = window->GetClientAreaOrigin() ;
 285     wxSize size = window->GetClientSize() ;
 286     int x , y ;
 287     x = origin.x ;
 288     y = origin.y ;
 289     window->MacWindowToRootWindow( &x , &y ) ;
 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     m_macPort = UMAGetWindowPort( windowref ) ;
 299     SetBackground(MacGetBackgroundBrush(window));
 300     m_ok = TRUE ;
 301 #endif
 302     SetFont( window->GetFont() ) ;
 303 }
 304
 305 wxPaintDC::~wxPaintDC()
 306 {
 307 }
 308
 309 void wxPaintDC::DoGetSize(int *width, int *height) const
 310 {
 311     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 312
 313     m_window->GetClientSize( width, height );
 314 }
 315
 316