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     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 113     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 114
 115     int x , y ;
 116     x = y = 0 ;
 117     window->MacWindowToRootWindow( &x , &y ) ;
 118     m_macLocalOrigin.x = x ;
 119     m_macLocalOrigin.y = y ;
 120     CopyRgn( (RgnHandle) window->MacGetVisibleRegion(true).GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 121     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 122     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 123     m_macPort = UMAGetWindowPort( windowref ) ;
 124     m_ok = TRUE ;
 125     SetBackground(MacGetBackgroundBrush(window));
 126 }
 127
 128 wxWindowDC::~wxWindowDC()
 129 {
 130 }
 131
 132 void wxWindowDC::DoGetSize( int* width, int* height ) const
 133 {
 134     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 135
 136     m_window->GetSize(width, height);
 137 }
 138
 139 /*
 140  * wxClientDC
 141  */
 142
 143 wxClientDC::wxClientDC()
 144 {
 145     m_window = NULL ;
 146 }
 147
 148 wxClientDC::wxClientDC(wxWindow *window)
 149 {
 150     m_window = window ;
 151     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 152     if (!rootwindow)
 153         return;
 154     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 155     wxPoint origin = window->GetClientAreaOrigin() ;
 156     wxSize size = window->GetClientSize() ;
 157     int x , y ;
 158     x = origin.x ;
 159     y = origin.y ;
 160     window->MacWindowToRootWindow( &x , &y ) ;
 161     m_macLocalOrigin.x = x ;
 162     m_macLocalOrigin.y = y ;
 163     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 164     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 165     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 166     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 167     CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle)  m_macCurrentClipRgn ) ;
 168     m_macPort = UMAGetWindowPort( windowref ) ;
 169
 170     m_ok = TRUE ;
 171     SetBackground(MacGetBackgroundBrush(window));
 172     SetFont( window->GetFont() ) ;
 173 }
 174
 175 wxClientDC::~wxClientDC()
 176 {
 177 }
 178
 179 void wxClientDC::DoGetSize(int *width, int *height) const
 180 {
 181     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 182
 183     m_window->GetClientSize( width, height );
 184 }
 185
 186
 187 /*
 188  * wxPaintDC
 189  */
 190
 191 wxPaintDC::wxPaintDC()
 192 {
 193     m_window = NULL ;
 194 }
 195
 196 wxPaintDC::wxPaintDC(wxWindow *window)
 197 {
 198     m_window = window ;
 199     wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
 200     WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
 201     wxPoint origin = window->GetClientAreaOrigin() ;
 202     wxSize size = window->GetClientSize() ;
 203     int x , y ;
 204     x = origin.x ;
 205     y = origin.y ;
 206     window->MacWindowToRootWindow( &x , &y ) ;
 207     m_macLocalOrigin.x = x ;
 208     m_macLocalOrigin.y = y ;
 209     SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
 210     SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 211     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
 212     SectRgn( (RgnHandle) m_macBoundaryClipRgn  , (RgnHandle) window->GetUpdateRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
 213     OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_macLocalOrigin.x , m_macLocalOrigin.y ) ;
 214     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 215     m_macPort = UMAGetWindowPort( windowref ) ;
 216
 217     m_ok = TRUE ;
 218     SetBackground(MacGetBackgroundBrush(window));
 219     SetFont( window->GetFont() ) ;
 220 }
 221
 222 wxPaintDC::~wxPaintDC()
 223 {
 224 }
 225
 226 void wxPaintDC::DoGetSize(int *width, int *height) const
 227 {
 228     wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
 229
 230     m_window->GetClientSize( width, height );
 231 }
 232
 233