copying native cursor under cocoa

[wxWidgets.git] / src / osx / carbon / dcscreen.cpp

diff --git a/src/osx/carbon/dcscreen.cpp b/src/osx/carbon/dcscreen.cpp
index 306ea3e7f2ef955fccf7d230550997d4b3f60f17..3b9e51541adc50258516ecd0b0fa8667b4bd5f72 100644 (file)
--- a/src/osx/carbon/dcscreen.cpp
+++ b/src/osx/carbon/dcscreen.cpp
@@ -30,12 +30,17 @@ IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl, wxWindowDCImpl)
 wxScreenDCImpl::wxScreenDCImpl( wxDC *owner ) :
    wxWindowDCImpl( owner )
 {
 wxScreenDCImpl::wxScreenDCImpl( wxDC *owner ) :
    wxWindowDCImpl( owner )
 {

-#if wxOSX_USE_COCOA_OR_IPHONE
-    m_graphicContext = NULL;
-    m_ok = false ;
-#else
+#if wxOSX_USE_COCOA_OR_CARBON

     CGRect cgbounds ;
     cgbounds = CGDisplayBounds(CGMainDisplayID());
     CGRect cgbounds ;
     cgbounds = CGDisplayBounds(CGMainDisplayID());

+    m_width = (wxCoord)cgbounds.size.width;
+    m_height = (wxCoord)cgbounds.size.height;
+#else
+    wxDisplaySize( &m_width, &m_height );
+#endif
+#if wxOSX_USE_COCOA_OR_IPHONE
+    SetGraphicsContext( wxGraphicsContext::Create() );
+#else

     Rect bounds;
     bounds.top = (short)cgbounds.origin.y;
     bounds.left = (short)cgbounds.origin.x;
     Rect bounds;
     bounds.top = (short)cgbounds.origin.y;
     bounds.left = (short)cgbounds.origin.x;


@@ -45,10 +50,8 @@ wxScreenDCImpl::wxScreenDCImpl( wxDC *owner ) :
     CreateNewWindow( kOverlayWindowClass, overlayAttributes, &bounds, (WindowRef*) &m_overlayWindow );
     ShowWindow((WindowRef)m_overlayWindow);
     SetGraphicsContext( wxGraphicsContext::CreateFromNativeWindow( m_overlayWindow ) );
     CreateNewWindow( kOverlayWindowClass, overlayAttributes, &bounds, (WindowRef*) &m_overlayWindow );
     ShowWindow((WindowRef)m_overlayWindow);
     SetGraphicsContext( wxGraphicsContext::CreateFromNativeWindow( m_overlayWindow ) );

-    m_width = (wxCoord)cgbounds.size.width;
-    m_height = (wxCoord)cgbounds.size.height;
-    m_ok = true ;

 #endif
 #endif

+    m_ok = true ;

 }
 
 wxScreenDCImpl::~wxScreenDCImpl()
 }
 
 wxScreenDCImpl::~wxScreenDCImpl()


@@ -61,36 +64,43 @@ wxScreenDCImpl::~wxScreenDCImpl()
 #endif
 }
 
 #endif
 }
 

+#if wxOSX_USE_IPHONE
+// Apple has allowed usage of this API as of 15th Dec 2009w
+extern CGImageRef UIGetScreenImage();
+#endif
+
+// TODO Switch to CGWindowListCreateImage for 10.5 and above
+

 wxBitmap wxScreenDCImpl::DoGetAsBitmap(const wxRect *subrect) const
 {
 wxBitmap wxScreenDCImpl::DoGetAsBitmap(const wxRect *subrect) const
 {

-    CGRect srcRect = CGRectMake(0, 0, m_width, m_height);
-    if (subrect)
-    {
-        srcRect.origin.x = subrect->GetX();
-        srcRect.origin.y = subrect->GetY();
-        srcRect.size.width = subrect->GetWidth();
-        srcRect.size.height = subrect->GetHeight();
-    }
-    wxBitmap bmp = wxBitmap(srcRect.size.width, srcRect.size.height, 32);
-#if wxOSX_USE_IPHONE
-#else
+    wxRect rect = subrect ? *subrect : wxRect(0, 0, m_width, m_height);
+
+    wxBitmap bmp(rect.GetSize(), 32);
+
+#if !wxOSX_USE_IPHONE
+    CGRect srcRect = CGRectMake(rect.x, rect.y, rect.width, rect.height);
+

     CGContextRef context = (CGContextRef)bmp.GetHBITMAP();
     CGContextRef context = (CGContextRef)bmp.GetHBITMAP();

-    
+

     CGContextSaveGState(context);
     CGContextSaveGState(context);

-    
+

     CGContextTranslateCTM( context, 0,  m_height );
     CGContextScaleCTM( context, 1, -1 );
     CGContextTranslateCTM( context, 0,  m_height );
     CGContextScaleCTM( context, 1, -1 );

-    
+

     if ( subrect )
         srcRect = CGRectOffset( srcRect, -subrect->x, -subrect->y ) ;
     if ( subrect )
         srcRect = CGRectOffset( srcRect, -subrect->x, -subrect->y ) ;

-    
+

     CGImageRef image = grabViaOpenGL(kCGNullDirectDisplay, srcRect);
     CGImageRef image = grabViaOpenGL(kCGNullDirectDisplay, srcRect);

-    
+

     wxASSERT_MSG(image, wxT("wxScreenDC::GetAsBitmap - unable to get screenshot."));
     wxASSERT_MSG(image, wxT("wxScreenDC::GetAsBitmap - unable to get screenshot."));

-    
+

     CGContextDrawImage(context, srcRect, image);
     
     CGContextDrawImage(context, srcRect, image);
     

+    CGImageRelease(image);
+

     CGContextRestoreGState(context);
     CGContextRestoreGState(context);

+#else
+    // TODO implement using UIGetScreenImage, CGImageCreateWithImageInRect, CGContextDrawImage

 #endif
     return bmp;
 }
 #endif
     return bmp;
 }