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 #ifdef __GNUG__
  13 #pragma implementation "dcclient.h"
  14 #endif
  15
  16 #include "wx/dcclient.h"
  17 #include "wx/dcmemory.h"
  18 #include "wx/region.h"
  19 #include "wx/window.h"
  20 #include "wx/toplevel.h"
  21 #include "wx/settings.h"
  22 #include "wx/math.h"
  23 #include "wx/mac/private.h"
  24
  25 //-----------------------------------------------------------------------------
  26 // constants
  27 //-----------------------------------------------------------------------------
  28
  29 #define RAD2DEG 57.2957795131
  30
  31 //-----------------------------------------------------------------------------
  32 // wxPaintDC
  33 //-----------------------------------------------------------------------------
  34
  35 #if !USE_SHARED_LIBRARY
  36 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
  37 IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
  38 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
  39 #endif
  40
  41 /*
  42  * wxWindowDC
  43  */
  44
  45 #include "wx/mac/uma.h"
  46 #include "wx/notebook.h"
  47 #include "wx/tabctrl.h"
  48
  49
  50 static wxBrush MacGetBackgroundBrush( wxWindow* window )
  51 {
  52     wxBrush bkdBrush = window->MacGetBackgroundBrush() ;
  53 #if !TARGET_API_MAC_OSX
  54     // transparency cannot be handled by the OS when not using composited windows
  55     wxWindow* parent = window->GetParent() ;
  56     // if we have some 'pseudo' transparency
  57     if ( ! bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT || window->GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
  58     {
  59         // walk up until we find something
  60         while( parent != NULL )
  61         {
  62             if ( parent->GetBackgroundColour() != wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
  63             {
  64                 // if we have any other colours in the hierarchy
  65                 bkdBrush.SetColour( parent->GetBackgroundColour() ) ;
  66                 break ;
  67             }
  68             if ( parent->IsKindOf( CLASSINFO(wxTopLevelWindow) ) )
  69             {
  70                 bkdBrush = parent->MacGetBackgroundBrush() ;
  71                 break ;
  72             }
  73             if ( parent->IsKindOf( CLASSINFO( wxNotebook ) ) || parent->IsKindOf( CLASSINFO( wxTabCtrl ) ) )
  74             {
  75                 Rect extent = { 0 , 0 , 0 , 0 } ;
  76                 int x , y ;
  77                 x = y = 0 ;
  78                 wxSize size = parent->GetSize() ;
  79                 parent->MacClientToRootWindow( &x , &y ) ;
  80                 extent.left = x ;
  81                 extent.top = y ;
  82                 extent.top-- ;
  83                 extent.right = x + size.x ;
  84                 extent.bottom = y + size.y ;
  85                 bkdBrush.MacSetThemeBackground( kThemeBackgroundTabPane , (WXRECTPTR) &extent ) ;
  86                 break ;
  87             }
  88
  89             parent = parent->GetParent() ;
  90         }
  91     }
  92     if ( !bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT )
  93     {
  94         // if we did not find something, use a default
  95         bkdBrush.MacSetTheme( kThemeBrushDialogBackgroundActive ) ;
  96     }
  97 #endif
  98     return bkdBrush ;
  99 }
 100
 101
 102 wxWindowDC::wxWindowDC()
 103 {
 104     m_window = NULL ;
 105 }
 106
 107 wxWindowDC::wxWindowDC(wxWindow *window)
 108 {
 109     m_window = window ;
 110     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 111     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 112
 113     int x , y ;
 114     x = y = 0 ;
 115     window->MacWindowToRootWindow( &x , &y ) ;
 116     m_macLocalOrigin.x = x ;
 117     m_macLocalOrigin.y = y ;
 118     CopyRgn( (RgnHandle) window->MacGetVisibleRegion(true).GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 119     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 120     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 121     m_macPort = UMAGetWindowPort( windowref ) ;
 122     m_ok = TRUE ;
 123     SetBackground(MacGetBackgroundBrush(window));
 124 }
 125
 126 wxWindowDC::~wxWindowDC()
 127 {
 128 }
 129
 130 void wxWindowDC::DoGetSize( int* width, int* height ) const
 131 {
 132     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 133
 134     m_window->GetSize(width, height);
 135 }
 136
 137 /*
 138  * wxClientDC
 139  */
 140
 141 wxClientDC::wxClientDC()
 142 {
 143     m_window = NULL ;
 144 }
 145
 146 wxClientDC::wxClientDC(wxWindow *window)
 147 {
 148     m_window = window ;
 149     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 150     if (!rootwindow)
 151         return;
 152     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 153     wxPoint origin = window->GetClientAreaOrigin() ;
 154     wxSize size = window->GetClientSize() ;
 155     int x , y ;
 156     x = origin.x ;
 157     y = origin.y ;
 158     window->MacWindowToRootWindow( &x , &y ) ;
 159     m_macLocalOrigin.x = x ;
 160     m_macLocalOrigin.y = y ;
 161     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 162     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 163     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 164     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 165     CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle)  m_macCurrentClipRgn ) ;
 166     m_macPort = UMAGetWindowPort( windowref ) ;
 167
 168     m_ok = TRUE ;
 169     SetBackground(MacGetBackgroundBrush(window));
 170     SetFont( window->GetFont() ) ;
 171 }
 172
 173 wxClientDC::~wxClientDC()
 174 {
 175 }
 176
 177 void wxClientDC::DoGetSize(int *width, int *height) const
 178 {
 179     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 180
 181     m_window->GetClientSize( width, height );
 182 }
 183
 184
 185 /*
 186  * wxPaintDC
 187  */
 188
 189 wxPaintDC::wxPaintDC()
 190 {
 191     m_window = NULL ;
 192 }
 193
 194 wxPaintDC::wxPaintDC(wxWindow *window)
 195 {
 196     m_window = window ;
 197     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 198     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 199     wxPoint origin = window->GetClientAreaOrigin() ;
 200     wxSize size = window->GetClientSize() ;
 201     int x , y ;
 202     x = origin.x ;
 203     y = origin.y ;
 204     window->MacWindowToRootWindow( &x , &y ) ;
 205     m_macLocalOrigin.x = x ;
 206     m_macLocalOrigin.y = y ;
 207     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 208     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 209     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 210     SectRgn( (RgnHandle) m_macBoundaryClipRgn  , (RgnHandle) window->GetUpdateRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 211     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 212     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 213     m_macPort = UMAGetWindowPort( windowref ) ;
 214
 215     m_ok = TRUE ;
 216     SetBackground(MacGetBackgroundBrush(window));
 217     SetFont( window->GetFont() ) ;
 218 }
 219
 220 wxPaintDC::~wxPaintDC()
 221 {
 222 }
 223
 224 void wxPaintDC::DoGetSize(int *width, int *height) const
 225 {
 226     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 227
 228     m_window->GetClientSize( width, height );
 229 }
 230
 231