fix access to client data of wxComboBox in wxUniv by virtualizing access to wxControl...

[wxWidgets.git] / src / mac / carbon / dcclient.cpp

diff --git a/src/mac/carbon/dcclient.cpp b/src/mac/carbon/dcclient.cpp
index 08aeff0504b08756924ad120d8b3b94c8ace8340..2ec91c4760fa09dfc4f895edfba77ee86dc6233c 100644 (file)
--- a/src/mac/carbon/dcclient.cpp
+++ b/src/mac/carbon/dcclient.cpp
@@ -1,115 +1,384 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        dcclient.cpp
+// Name:        src/mac/carbon/dcclient.cpp

 // Purpose:     wxClientDC class
 // Purpose:     wxClientDC class

-// Author:      AUTHOR
+// Author:      Stefan Csomor

 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$

-// Copyright:   (c) AUTHOR
-// Licence:    wxWindows licence
+// Copyright:   (c) Stefan Csomor
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "dcclient.h"
-#endif
+#include "wx/wxprec.h"

 
 #include "wx/dcclient.h"
 
 #include "wx/dcclient.h"

-#include "wx/dcmemory.h"
-#include "wx/region.h"
-#include <math.h>
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/window.h"
+    #include "wx/dcmemory.h"
+    #include "wx/settings.h"
+    #include "wx/toplevel.h"
+    #include "wx/math.h"
+    #include "wx/region.h"
+#endif
+
+#include "wx/graphics.h"
+#include "wx/rawbmp.h"
+#include "wx/mac/private.h"

 
 //-----------------------------------------------------------------------------
 // constants
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // constants
 //-----------------------------------------------------------------------------
 

-#define RAD2DEG 57.2957795131
-

 //-----------------------------------------------------------------------------
 // wxPaintDC
 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 // wxPaintDC
 //-----------------------------------------------------------------------------
 

-#if !USE_SHARED_LIBRARY

 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
 IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
 IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)

-#endif

 
 /*
  * wxWindowDC
  */
 
 
 /*
  * wxWindowDC
  */
 

-#include <wx/mac/uma.h>
+#include "wx/mac/uma.h"
+#include "wx/notebook.h"
+#include "wx/tabctrl.h"
+
+
+static wxBrush MacGetBackgroundBrush( wxWindow* window )
+{
+    wxBrush bkdBrush = window->MacGetBackgroundBrush() ;
+
+#if !TARGET_API_MAC_OSX
+    // transparency cannot be handled by the OS when not using composited windows
+    wxWindow* parent = window->GetParent() ;
+
+    // if we have some 'pseudo' transparency
+    if ( ! bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT || window->GetBackgroundColour() == wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
+    {
+        // walk up until we find something
+        while ( parent != NULL )
+        {
+            if ( parent->GetBackgroundColour() != wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE ) )
+            {
+                // if we have any other colours in the hierarchy
+                bkdBrush.SetColour( parent->GetBackgroundColour() ) ;
+                break ;
+            }
+
+            if ( parent->IsKindOf( CLASSINFO(wxTopLevelWindow) ) )
+            {
+                bkdBrush = parent->MacGetBackgroundBrush() ;
+                break ;
+            }
+
+            if ( parent->IsKindOf( CLASSINFO( wxNotebook ) )
+#if wxUSE_TAB_DIALOG
+                 || parent->IsKindOf( CLASSINFO( wxTabCtrl ) )
+#endif // wxUSE_TAB_DIALOG
+                )
+            {
+                Rect extent = { 0 , 0 , 0 , 0 } ;
+                int x , y ;
+                x = y = 0 ;
+                wxSize size = parent->GetSize() ;
+                parent->MacClientToRootWindow( &x , &y ) ;
+                extent.left = x ;
+                extent.top = y ;
+                extent.top-- ;
+                extent.right = x + size.x ;
+                extent.bottom = y + size.y ;
+                bkdBrush.MacSetThemeBackground( kThemeBackgroundTabPane , (WXRECTPTR) &extent ) ;
+                break ;
+            }
+
+            parent = parent->GetParent() ;
+        }
+    }
+
+    if ( !bkdBrush.Ok() || bkdBrush.GetStyle() == wxTRANSPARENT )
+    {
+        // if we did not find something, use a default
+        bkdBrush.MacSetTheme( kThemeBrushDialogBackgroundActive ) ;
+    }
+#endif
+
+    return bkdBrush ;
+}
+
+wxWindowDC::wxWindowDC()
+{
+    m_window = NULL ;
+#if wxMAC_USE_CORE_GRAPHICS
+    m_release = false;
+#endif
+}
+
+wxWindowDC::wxWindowDC(wxWindow *window)
+{
+    m_window = window ;
+    wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
+    if (!rootwindow)
+        return;
+
+    m_ok = true ;
+
+#if wxMAC_USE_CORE_GRAPHICS
+    m_window->GetSize( &m_width , &m_height);
+    CGContextRef cg = (CGContextRef) window->MacGetCGContextRef();
+    m_release = false;
+    if ( cg == NULL )
+    {
+        SetGraphicsContext( wxGraphicsContext::Create( window ) ) ;
+    }
+    else
+    {
+        CGContextSaveGState( cg );
+        m_release = true ;
+        // make sure the context is having its origin at the wx-window coordinates of the
+        // view (read at the top of window.cpp about the differences)
+        if ( window->MacGetLeftBorderSize() != 0 || window->MacGetTopBorderSize() != 0 )
+            CGContextTranslateCTM( cg , -window->MacGetLeftBorderSize() , -window->MacGetTopBorderSize() );
+
+        SetGraphicsContext( wxGraphicsContext::CreateFromNative( cg ) );
+    }
+    SetClippingRegion( 0 , 0 , m_width , m_height ) ;
+#else
+    int x , y ;
+    x = y = 0 ;
+    window->MacWindowToRootWindow( &x , &y ) ;
+    m_deviceLocalOriginX = x;
+    m_deviceLocalOriginY = y;
+    m_macPort = UMAGetWindowPort( (WindowRef) rootwindow->MacGetWindowRef() ) ;
+
+    CopyRgn( (RgnHandle) window->MacGetVisibleRegion(true).GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
+    OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_deviceLocalOriginX , m_deviceLocalOriginY ) ;
+    CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
+#endif
+    SetBackground(MacGetBackgroundBrush(window));
+
+    SetFont( window->GetFont() ) ;
+}

 
 

-wxWindowDC::wxWindowDC(void)
+wxWindowDC::~wxWindowDC()

 {
 {

+#if wxMAC_USE_CORE_GRAPHICS
+    if ( m_release )
+    {
+        // this must not necessarily be the current context, we must restore the state of the
+        // cg we started with above (before the CGContextTranslateCTM call)
+        CGContextRef cg = (CGContextRef) m_window->MacGetCGContextRef();
+        CGContextRestoreGState(cg);
+    }
+#endif

 }
 
 }
 

-wxWindowDC::wxWindowDC(wxWindow *the_canvas)
+void wxWindowDC::DoGetSize( int* width, int* height ) const

 {
 {

-       WindowRef windowref ;
-       wxWindow* rootwindow ;
-       
-       // this time it is really the full window
-       
-       the_canvas->MacGetPortParams(&m_macLocalOrigin, &m_macClipRect , &windowref , &rootwindow );
-       m_macPort = UMAGetWindowPort( windowref ) ;
-       MacSetupPort() ;
-       m_ok = TRUE ;
+#if wxMAC_USE_CORE_GRAPHICS
+    if ( width )
+        *width = m_width;
+    if ( height )
+        *height = m_height;
+#else
+    wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
+    m_window->GetSize(width, height);
+#endif

 }
 
 }
 

-wxWindowDC::~wxWindowDC(void)
+wxBitmap wxWindowDC::DoGetAsBitmap(const wxRect *subrect) const

 {
 {

+    // wxScreenDC is derived from wxWindowDC, so a screen dc will
+    // call this method when a Blit is performed with it as a source.
+    if (!m_window)
+        return wxNullBitmap;
+        
+    ControlRef handle = (ControlRef) m_window->GetHandle();
+    if ( !handle )
+        return wxNullBitmap;
+
+    HIRect rect;
+    CGImageRef image;
+    CGContextRef context;
+    void* data;
+
+    size_t bytesPerRow;
+
+    HIViewCreateOffscreenImage( handle, 0, &rect, &image);
+
+
+    int width = subrect != NULL ? subrect->width : (int)rect.size.width;
+    int height = subrect !=  NULL ? subrect->height : (int)rect.size.height ;
+
+    bytesPerRow = ( ( width * 8 * 4 + 7 ) / 8 );
+
+    data = calloc( 1, bytesPerRow * height );
+    context = CGBitmapContextCreate( data, width, height, 8, bytesPerRow, CGColorSpaceCreateDeviceRGB(), kCGImageAlphaPremultipliedFirst );
+
+    if ( subrect )
+        rect = CGRectOffset( rect, -subrect->x, -subrect->y ) ;
+    CGContextDrawImage( context, rect, image );
+
+    unsigned char* buffer = (unsigned char*) data;
+    wxBitmap bmp = wxBitmap(width, height, 32);
+    wxAlphaPixelData pixData(bmp, wxPoint(0,0), wxSize(width, height));
+
+    wxAlphaPixelData::Iterator p(pixData);
+    for (int y=0; y<height; y++) {
+        wxAlphaPixelData::Iterator rowStart = p;
+        for (int x=0; x<width; x++) {
+            unsigned char a = buffer[3];
+            p.Red()   = a; buffer++;
+            p.Green() = a; buffer++;
+            p.Blue()  = a; buffer++;
+            p.Alpha() = a; buffer++;
+            ++p;
+        }
+        p = rowStart;
+        p.OffsetY(pixData, 1);
+    }
+
+    return bmp;

 }
 
 /*
  * wxClientDC
  */
 
 }
 
 /*
  * wxClientDC
  */
 

-wxClientDC::wxClientDC(void)
+wxClientDC::wxClientDC()

 {
 {

+    m_window = NULL ;

 }
 
 }
 

+#if wxMAC_USE_CORE_GRAPHICS
+wxClientDC::wxClientDC(wxWindow *window) :
+    wxWindowDC( window )
+{
+    wxPoint origin = window->GetClientAreaOrigin() ;
+    m_window->GetClientSize( &m_width , &m_height);
+    SetDeviceOrigin( origin.x, origin.y );
+    SetClippingRegion( 0 , 0 , m_width , m_height ) ;
+}
+#else

 wxClientDC::wxClientDC(wxWindow *window)
 {
 wxClientDC::wxClientDC(wxWindow *window)
 {

-       WindowRef windowref ;
-       wxWindow* rootwindow ;
-       
-       window->MacGetPortClientParams(&m_macLocalOrigin, &m_macClipRect , &windowref , &rootwindow );
-       m_macPort = UMAGetWindowPort( windowref ) ;
-       MacSetupPort() ;
-       m_ok = TRUE ;
-  SetBackground(wxBrush(window->GetBackgroundColour(), wxSOLID));
+    m_window = window ;
+    wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
+    if (!rootwindow)
+        return;
+
+    WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
+    wxPoint origin = window->GetClientAreaOrigin() ;
+    wxSize size = window->GetClientSize() ;
+    int x , y ;
+    x = origin.x ;
+    y = origin.y ;
+    window->MacWindowToRootWindow( &x , &y ) ;
+    m_macPort = UMAGetWindowPort( windowref ) ;
+    m_ok = true ;
+
+    m_deviceLocalOriginX = x ;
+    m_deviceLocalOriginY = y ;
+    SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
+    SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
+    OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
+    OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_deviceLocalOriginX , m_deviceLocalOriginY ) ;
+    CopyRgn( (RgnHandle) m_macBoundaryClipRgn ,(RgnHandle)  m_macCurrentClipRgn ) ;

 
 

+    SetBackground(MacGetBackgroundBrush(window));
+    SetFont( window->GetFont() ) ;
+}
+#endif
+
+wxClientDC::~wxClientDC()
+{

 }
 
 }
 

-wxClientDC::~wxClientDC(void)
+#if !wxMAC_USE_CORE_GRAPHICS
+void wxClientDC::DoGetSize(int *width, int *height) const

 {
 {

+    wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
+
+    m_window->GetClientSize( width, height );

 }
 }

+#endif

 
 /*
  * wxPaintDC
  */
 
 
 /*
  * wxPaintDC
  */
 

-wxPaintDC::wxPaintDC(void)
+wxPaintDC::wxPaintDC()

 {
 {

+    m_window = NULL ;

 }
 
 }
 

+#if wxMAC_USE_CORE_GRAPHICS
+wxPaintDC::wxPaintDC(wxWindow *window) :
+    wxWindowDC( window )
+{
+    wxPoint origin = window->GetClientAreaOrigin() ;
+    m_window->GetClientSize( &m_width , &m_height);
+    SetDeviceOrigin( origin.x, origin.y );
+    SetClippingRegion( 0 , 0 , m_width , m_height ) ;
+}
+#else

 wxPaintDC::wxPaintDC(wxWindow *window)
 {
 wxPaintDC::wxPaintDC(wxWindow *window)
 {

-       WindowRef windowref ;
-       wxWindow* rootwindow ;
-       
-       window->MacGetPortClientParams(&m_macLocalOrigin, &m_macClipRect , &windowref , &rootwindow );
+    m_window = window ;
+    wxTopLevelWindowMac* rootwindow = window->MacGetTopLevelWindow() ;
+    WindowRef windowref = (WindowRef) rootwindow->MacGetWindowRef() ;
+    wxPoint origin = window->GetClientAreaOrigin() ;
+    wxSize size = window->GetClientSize() ;
+    int x , y ;
+    x = origin.x ;
+    y = origin.y ;
+    window->MacWindowToRootWindow( &x , &y ) ;
+    m_macPort = UMAGetWindowPort( windowref ) ;
+    m_ok = true ;

 
 

-       m_macPort = UMAGetWindowPort( windowref ) ;
-       MacSetupPort() ;
-       m_ok = TRUE ;
-       long x , y ,w , h ;
-       window->GetUpdateRegion().GetBox( x , y , w , h ) ;
-       SetClippingRegion( x , y , w , h ) ;
-       SetBackground(wxBrush(window->GetBackgroundColour(), wxSOLID));
+#if wxMAC_USE_CORE_GRAPHICS
+    if ( window->MacGetCGContextRef() )
+    {
+        m_graphicContext = new wxMacCGContext( (CGContextRef) window->MacGetCGContextRef() ) ;
+        m_graphicContext->SetPen( m_pen ) ;
+        m_graphicContext->SetBrush( m_brush ) ;
+        SetClippingRegion( 0 , 0 , size.x , size.y ) ;
+        SetBackground(MacGetBackgroundBrush(window));
+    }
+    else
+    {
+        wxLogDebug(wxT("You cannot create a wxPaintDC outside an OS-draw event") ) ;
+        m_graphicContext = NULL ;
+    }
+    // there is no out-of-order drawing on OSX
+#else
+    m_deviceLocalOriginX = x ;
+    m_deviceLocalOriginY = y ;
+    SetRectRgn( (RgnHandle) m_macBoundaryClipRgn , origin.x , origin.y , origin.x + size.x , origin.y + size.y ) ;
+    SectRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) window->MacGetVisibleRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
+    OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , -origin.x , -origin.y ) ;
+    SectRgn( (RgnHandle) m_macBoundaryClipRgn  , (RgnHandle) window->GetUpdateRegion().GetWXHRGN() , (RgnHandle) m_macBoundaryClipRgn ) ;
+    OffsetRgn( (RgnHandle) m_macBoundaryClipRgn , m_deviceLocalOriginX , m_deviceLocalOriginY ) ;
+    CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
+    SetBackground(MacGetBackgroundBrush(window));
+#endif
+
+    SetFont( window->GetFont() ) ;

 }
 }

+#endif

 
 wxPaintDC::~wxPaintDC()
 {
 }
 
 wxPaintDC::~wxPaintDC()
 {
 }

+
+#if !wxMAC_USE_CORE_GRAPHICS
+void wxPaintDC::DoGetSize(int *width, int *height) const
+{
+    wxCHECK_RET( m_window, _T("GetSize() doesn't work without window") );
+
+    m_window->GetClientSize( width, height );
+}
+#endif