correcting Drag Data handling for 'TEXT' and 'utxt'

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

diff --git a/src/mac/carbon/metafile.cpp b/src/mac/carbon/metafile.cpp
index 594fe43af521d1ef1aa85c16369595d50d35ed88..6aff3b7d386bfa1ff3a982966b93a945960ba98b 100644 (file)
--- a/src/mac/carbon/metafile.cpp
+++ b/src/mac/carbon/metafile.cpp
@@ -9,7 +9,7 @@
 // Licence:       wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "metafile.h"
 #endif
 
@@ -20,10 +20,6 @@
 #pragma hdrstop
 #endif
 
-#ifndef WX_PRECOMP
-#include "wx/setup.h"
-#endif
-
 #if wxUSE_METAFILE
 
 #ifndef WX_PRECOMP
@@ -41,10 +37,23 @@
 
 extern bool wxClipboardIsOpen;
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
 IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
+
+class wxMetafileRefData: public wxGDIRefData
+{
+    friend class WXDLLEXPORT wxMetafile;
+public:
+    wxMetafileRefData(void);
+    ~wxMetafileRefData(void);
+
+private:
+    PicHandle m_metafile;
+#if wxMAC_USE_CORE_GRAPHICS
+    QDPictRef m_qdPictRef ;
 #endif
+};
+
 
 /*
  * Metafiles
@@ -55,6 +64,9 @@ IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
 wxMetafileRefData::wxMetafileRefData(void)
 {
     m_metafile = 0;
+#if wxMAC_USE_CORE_GRAPHICS
+    m_qdPictRef = NULL ;
+#endif
 }
 
 wxMetafileRefData::~wxMetafileRefData(void)
@@ -63,6 +75,10 @@ wxMetafileRefData::~wxMetafileRefData(void)
     {
         KillPicture( (PicHandle) m_metafile ) ;
         m_metafile = 0;
+#if wxMAC_USE_CORE_GRAPHICS
+        QDPictRelease( m_qdPictRef ) ;
+        m_qdPictRef = NULL ;
+#endif
     }
 }
 
@@ -70,9 +86,8 @@ wxMetaFile::wxMetaFile(const wxString& file)
 {
     m_refData = new wxMetafileRefData;
 
-
     M_METAFILEDATA->m_metafile = 0;
-    wxASSERT_MSG( file.IsEmpty() , wxT("no file based metafile support yet") ) ;
+    wxASSERT_MSG( file.empty() , wxT("no file based metafile support yet") ) ;
 /*
     if (!file.IsNull() && (file.Cmp("") == 0))
         M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile(file);
@@ -83,13 +98,25 @@ wxMetaFile::~wxMetaFile()
 {
 }
 
+bool wxMetaFile::Ok() const
+{
+    return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != 0));
+}
+
+WXHMETAFILE wxMetaFile::GetHMETAFILE() const
+{
+    return (WXHMETAFILE) M_METAFILEDATA->m_metafile;
+}
+
 bool wxMetaFile::SetClipboard(int width, int height)
 {
+    bool success = true;
+
 #if wxUSE_DRAG_AND_DROP
     //TODO finishi this port , we need the data obj first
     if (!m_refData)
-        return FALSE;
-    
+        return false;
+
     bool alreadyOpen=wxTheClipboard->IsOpened() ;
     if (!alreadyOpen)
     {
@@ -98,38 +125,64 @@ bool wxMetaFile::SetClipboard(int width, int height)
     }
     wxDataObject *data =
         new wxMetafileDataObject( *this) ;
-    bool success = wxTheClipboard->SetData(data);
-    if (!alreadyOpen) 
+    success = wxTheClipboard->SetData(data);
+    if (!alreadyOpen)
         wxTheClipboard->Close();
-    return (bool) success;
 #endif
-    return TRUE ;
+
+    return success;
 }
 
 void wxMetafile::SetHMETAFILE(WXHMETAFILE mf)
 {
-    if (!m_refData)
-        m_refData = new wxMetafileRefData;
-    if ( M_METAFILEDATA->m_metafile )
-        KillPicture( (PicHandle) M_METAFILEDATA->m_metafile ) ;
+    UnRef() ;
+
+    m_refData = new wxMetafileRefData;
 
-    M_METAFILEDATA->m_metafile = mf;
+    M_METAFILEDATA->m_metafile = (PicHandle) mf;
+#if wxMAC_USE_CORE_GRAPHICS
+    size_t sz = GetHandleSize( (Handle) M_METAFILEDATA->m_metafile ) ;
+    wxMemoryBuffer* membuf = new wxMemoryBuffer( sz ) ;
+    void * data = membuf->GetWriteBuf(sz) ;
+    memcpy( data , *M_METAFILEDATA->m_metafile , sz ) ;
+    membuf->UngetWriteBuf(sz) ;
+    CGDataProviderRef provider = CGDataProviderCreateWithData( membuf , data , sz ,
+        wxMacMemoryBufferReleaseProc ) ;
+    M_METAFILEDATA->m_qdPictRef = NULL ;
+    if ( provider != NULL )
+    {
+        M_METAFILEDATA->m_qdPictRef = QDPictCreateWithProvider( provider ) ;
+        CGDataProviderRelease( provider ) ;
+    }
+#endif
 }
 
 bool wxMetaFile::Play(wxDC *dc)
 {
     if (!m_refData)
-        return FALSE;
-    
+        return false;
+
     if (!dc->Ok() )
-        return FALSE;
-        
+        return false;
+
     {
-        wxMacPortSetter helper( dc ) ;
+#if wxMAC_USE_CORE_GRAPHICS
+        QDPictRef cgPictRef = M_METAFILEDATA->m_qdPictRef ;
+        CGContextRef cg = ((wxMacCGContext*)(dc->GetGraphicContext()))->GetNativeContext() ;
+        CGRect bounds = QDPictGetBounds( cgPictRef ) ;
+
+        CGContextSaveGState(cg);
+        CGContextTranslateCTM(cg, 0 , bounds.size.width );
+        CGContextScaleCTM(cg, 1, -1);
+        QDPictDrawToCGContext( cg , bounds , cgPictRef ) ;
+        CGContextRestoreGState( cg ) ;
+#else
         PicHandle pict = (PicHandle) GetHMETAFILE() ;
+        wxMacPortSetter helper( dc ) ;
         DrawPicture( pict , &(**pict).picFrame ) ;
+#endif
     }
-    return TRUE;
+    return true;
 }
 
 wxSize wxMetaFile::GetSize() const
@@ -159,19 +212,21 @@ wxMetaFileDC::wxMetaFileDC(const wxString& filename ,
                     const wxString& WXUNUSED(description) )
 {
     wxASSERT_MSG( width == 0 || height == 0 , _T("no arbitration of metafilesize supported") ) ;
-    wxASSERT_MSG( filename.IsEmpty() , _T("no file based metafile support yet")) ;
-    
+    wxASSERT_MSG( filename.empty() , _T("no file based metafile support yet")) ;
+
     m_metaFile = new wxMetaFile(filename) ;
+#if wxMAC_USE_CORE_GRAPHICS
+#else
     Rect r={0,0,height,width} ;
-    
+
     RectRgn( (RgnHandle) m_macBoundaryClipRgn , &r ) ;
     CopyRgn( (RgnHandle) m_macBoundaryClipRgn , (RgnHandle) m_macCurrentClipRgn ) ;
 
-    m_metaFile->SetHMETAFILE( OpenPicture( &r ) ) ;
-    ::GetPort( (GrafPtr*) &m_macPort ) ;    
-    m_ok = TRUE ;
-    
-    SetMapMode(wxMM_TEXT); 
+    m_metaFile->SetHMETAFILE( (WXHMETAFILE) OpenPicture( &r ) ) ;
+    ::GetPort( (GrafPtr*) &m_macPort ) ;
+    m_ok = true ;
+#endif
+    SetMapMode(wxMM_TEXT);
 }
 
 wxMetaFileDC::~wxMetaFileDC()
@@ -211,7 +266,7 @@ bool wxMetafileDataObject::SetData(size_t len, const void *buf)
     Handle handle = NewHandle( len ) ;
     SetHandleSize( handle , len ) ;
     memcpy( *handle , buf , len ) ;
-    m_metafile.SetHMETAFILE( handle ) ;
+    m_metafile.SetHMETAFILE( (WXHMETAFILE) handle ) ;
     return true ;
 }
 #endif