mouse handling fixed, skipping if we have no native control handling

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

diff --git a/src/mac/carbon/dataobj.cpp b/src/mac/carbon/dataobj.cpp
index ff91434d912be055a43d08a95467afe8551bbd59..64dc8053d0a66b3b17c877793bd3a842dfac4f72 100644 (file)
--- a/src/mac/carbon/dataobj.cpp
+++ b/src/mac/carbon/dataobj.cpp
@@ -1,12 +1,12 @@
 ///////////////////////////////////////////////////////////////////////////////
-// Name:        os2/dataobj.cpp
-// Purpose:     implementation of wx[I]DataObject class
-// Author:      David Webster
+// Name:        mac/dataobj.cpp
+// Purpose:     implementation of wxDataObject class
+// Author:      Stefan Csomor
 // Modified by:
 // Created:     10/21/99
 // RCS-ID:      $Id$
-// Copyright:   (c) 1999 David Webster
-// Licence:     wxWindows license
+// Copyright:   (c) 1999 Stefan Csomor
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -33,6 +33,8 @@
 #include "wx/dataobj.h"
 #include "wx/mstream.h"
 #include "wx/image.h"
+#include "wx/mac/private.h"
+#include <Scrap.h>
 
 // ----------------------------------------------------------------------------
 // functions
@@ -72,40 +74,46 @@ void wxDataFormat::SetType(  wxDataFormatId  Type )
 {
     m_type = Type;
 
-    if (m_type == wxDF_TEXT)
-        m_format = 'TEXT';
+    if (m_type == wxDF_TEXT )
+        m_format = kScrapFlavorTypeText;
+    else if (m_type == wxDF_UNICODETEXT )
+        m_format = kScrapFlavorTypeUnicode ;
     else if (m_type == wxDF_BITMAP || m_type == wxDF_METAFILE )
-        m_format = 'PICT';
+        m_format = kScrapFlavorTypePicture;
     else if (m_type == wxDF_FILENAME)
         m_format = kDragFlavorTypeHFS ;
     else
     {
        wxFAIL_MSG( wxT("invalid dataformat") );
-    }
-}
 
-wxDataFormatId wxDataFormat::GetType() const
-{
-    return m_type;
+       // this is '????' but it can't be used in the code because ??' is
+       // parsed as a trigraph!
+       m_format = 0x3f3f3f3f;
+    }
 }
 
 wxString wxDataFormat::GetId() const
 {
-    wxString sRet("");  // TODO: to name of ( m_format ) );
-    return sRet;
+    // note that m_format is not a pointer to string, it *is* itself a 4
+    // character string
+    char text[5] ;
+    strncpy( text , (char*) &m_format , 4 ) ;
+    text[4] = 0 ;
+
+    return wxString::FromAscii( text ) ;
 }
 
 void wxDataFormat::SetId(  NativeFormat  format )
 {
     m_format = format;
 
-    if (m_format == 'TEXT')
+    if (m_format == kScrapFlavorTypeText)
         m_type = wxDF_TEXT;
-    else
-    if (m_format == 'PICT')
+    else if (m_format == kScrapFlavorTypeUnicode )
+        m_type = wxDF_UNICODETEXT;
+    else if (m_format == kScrapFlavorTypePicture)
         m_type = wxDF_BITMAP;
-    else
-    if (m_format == kDragFlavorTypeHFS )
+    else if (m_format == kDragFlavorTypeHFS )
         m_type = wxDF_FILENAME;
     else
         m_type = wxDF_PRIVATE;
@@ -113,8 +121,6 @@ void wxDataFormat::SetId(  NativeFormat  format )
 
 void wxDataFormat::SetId( const wxChar* zId )
 {
-    wxString                        tmp(zId);
-
     m_type = wxDF_PRIVATE;
     m_format = 0;// TODO: get the format gdk_atom_intern( wxMBSTRINGCAST tmp.mbc_str(), FALSE );
 }
@@ -140,7 +146,7 @@ bool wxDataObject::IsSupportedFormat(
     }
     else
     {
-        wxDataFormat*               pFormats = new wxDataFormat[nFormatCount];
+        wxDataFormat* pFormats = new wxDataFormat[nFormatCount];
         GetAllFormats( pFormats
                       ,vDir
                      );
@@ -182,7 +188,7 @@ bool wxFileDataObject::GetDataHere(
 
 size_t wxFileDataObject::GetDataSize() const
 {
-    size_t                          nRes = 0;
+    size_t nRes = 0;
 
     for (size_t i = 0; i < m_filenames.GetCount(); i++)
     {
@@ -200,9 +206,7 @@ bool wxFileDataObject::SetData(
 {
     m_filenames.Empty();
 
-    wxString                        sFile( (const char *)pBuf);  /* char, not wxChar */
-
-    AddFile(sFile);
+    AddFile(wxString::FromAscii((char*)pBuf));
 
     return TRUE;
 }
@@ -224,13 +228,15 @@ wxBitmapDataObject::wxBitmapDataObject()
 }
 
 wxBitmapDataObject::wxBitmapDataObject(
-  const wxBitmap&                   rBitmap
+  const wxBitmap& rBitmap
 )
 : wxBitmapDataObjectBase(rBitmap)
 {
     Init();
-
-    DoConvertToPng();
+    if ( m_bitmap.Ok() )
+    {
+        m_pictHandle = m_bitmap.GetPict( &m_pictCreated ) ;
+    }
 }
 
 wxBitmapDataObject::~wxBitmapDataObject()
@@ -242,64 +248,61 @@ void wxBitmapDataObject::SetBitmap(
   const wxBitmap&                   rBitmap
 )
 {
-    ClearAll();
+    Clear();
     wxBitmapDataObjectBase::SetBitmap(rBitmap);
-    DoConvertToPng();
+    if ( m_bitmap.Ok() )
+    {
+        m_pictHandle = m_bitmap.GetPict( &m_pictCreated ) ;
+    }
+}
+
+void wxBitmapDataObject::Init() 
+{ 
+    m_pictHandle = NULL ;
+    m_pictCreated = false ;
+} 
+
+void wxBitmapDataObject::Clear() 
+{
+    if ( m_pictCreated && m_pictHandle )
+    {
+        KillPicture( (PicHandle) m_pictHandle ) ;
+    }
+    m_pictHandle = NULL ;
 }
 
 bool wxBitmapDataObject::GetDataHere(
   void*                             pBuf
 ) const
 {
-    if (!m_pngSize)
+    if (!m_pictHandle)
     {
         wxFAIL_MSG(wxT("attempt to copy empty bitmap failed"));
         return FALSE;
     }
-    memcpy(pBuf, m_pngData, m_pngSize);
+    memcpy(pBuf, *(Handle)m_pictHandle, GetHandleSize((Handle)m_pictHandle));
     return TRUE;
 }
 
+size_t wxBitmapDataObject::GetDataSize() const
+{
+    return GetHandleSize((Handle)m_pictHandle) ;
+}
+
 bool wxBitmapDataObject::SetData(
   size_t                            nSize
 , const void*                       pBuf
 )
 {
     Clear();
-    m_pngSize = nSize;
-    m_pngData = malloc(m_pngSize);
-
-    memcpy(m_pngData, pBuf, m_pngSize);
-
-    wxMemoryInputStream             vMstream((char*)m_pngData, m_pngSize);
-    wxImage                         vImage;
-    wxPNGHandler                    vHandler;
-
-    if (!vHandler.LoadFile(&vImage, vMstream))
-    {
-        return FALSE;
-    }
-
-    m_bitmap = vImage.ConvertToBitmap();
+    PicHandle picHandle = (PicHandle) NewHandle( nSize ) ;
+    memcpy( *picHandle , pBuf , nSize ) ;
+    m_pictHandle = picHandle ;
+    m_pictCreated = false ;
+    Rect frame = (**picHandle).picFrame ;
+    
+    m_bitmap.SetPict( picHandle ) ;
+    m_bitmap.SetWidth( frame.right - frame.left ) ;
+    m_bitmap.SetHeight( frame.bottom - frame.top ) ;
     return m_bitmap.Ok();
 }
-
-void wxBitmapDataObject::DoConvertToPng()
-{
-    if (!m_bitmap.Ok())
-        return;
-
-    wxImage                         vImage(m_bitmap);
-    wxPNGHandler                    vHandler;
-    wxCountingOutputStream          vCount;
-
-    vHandler.SaveFile(&vImage, vCount);
-
-    m_pngSize = vCount.GetSize() + 100; // sometimes the size seems to vary ???
-    m_pngData = malloc(m_pngSize);
-
-    wxMemoryOutputStream            vMstream((char*) m_pngData, m_pngSize);
-
-    vHandler.SaveFile(&vImage, vMstream );
-}
-