support mac on little endian systems

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

diff --git a/src/mac/carbon/dataobj.cpp b/src/mac/carbon/dataobj.cpp
index 67f938b414edce2d0a2b403b55adb0c43627ab05..65401b5f33931e1ba76073fe81b588886540ec25 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:      $Id$
 // 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

 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================


@@ -17,22 +17,27 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

   #pragma implementation "dataobj.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
   #pragma implementation "dataobj.h"
 #endif
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 

+#if wxUSE_DATAOBJ
+

 #ifndef WX_PRECOMP
 #include "wx/intl.h"
 #endif
 #ifndef WX_PRECOMP
 #include "wx/intl.h"
 #endif

-#include "wx/defs.h"

 
 #include "wx/log.h"
 #include "wx/dataobj.h"
 
 #include "wx/log.h"
 #include "wx/dataobj.h"

+#include "wx/dcmemory.h"

 #include "wx/mstream.h"
 #include "wx/image.h"
 #include "wx/mstream.h"
 #include "wx/image.h"

+#include "wx/metafile.h"
+#include "wx/mac/private.h"
+#include <Scrap.h>

 
 // ----------------------------------------------------------------------------
 // functions
 
 // ----------------------------------------------------------------------------
 // functions


@@ -72,40 +77,46 @@ void wxDataFormat::SetType(  wxDataFormatId  Type )
 {
     m_type = 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 )
     else if (m_type == wxDF_BITMAP || m_type == wxDF_METAFILE )

-        m_format = 'PICT';
+        m_format = kScrapFlavorTypePicture;

     else if (m_type == wxDF_FILENAME)
     else if (m_type == wxDF_FILENAME)

-        m_format = 'SPEC';
+        m_format = kDragFlavorTypeHFS ;

     else
     {
        wxFAIL_MSG( wxT("invalid dataformat") );
     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 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;
 
 }
 
 void wxDataFormat::SetId(  NativeFormat  format )
 {
     m_format = format;
 

-    if (m_format == 'TEXT')
+    if (m_format == kScrapFlavorTypeText)

         m_type = wxDF_TEXT;
         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;
         m_type = wxDF_BITMAP;

-    else
-    if (m_format == 'SPEC')
+    else if (m_format == kDragFlavorTypeHFS )

         m_type = wxDF_FILENAME;
     else
         m_type = wxDF_PRIVATE;
         m_type = wxDF_FILENAME;
     else
         m_type = wxDF_PRIVATE;


@@ -113,8 +124,6 @@ void wxDataFormat::SetId(  NativeFormat  format )
 
 void wxDataFormat::SetId( const wxChar* zId )
 {
 
 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 );
 }
     m_type = wxDF_PRIVATE;
     m_format = 0;// TODO: get the format gdk_atom_intern( wxMBSTRINGCAST tmp.mbc_str(), FALSE );
 }


@@ -140,7 +149,7 @@ bool wxDataObject::IsSupportedFormat(
     }
     else
     {
     }
     else
     {

-        wxDataFormat*               pFormats = new wxDataFormat[nFormatCount];
+        wxDataFormat* pFormats = new wxDataFormat[nFormatCount];

         GetAllFormats( pFormats
                       ,vDir
                      );
         GetAllFormats( pFormats
                       ,vDir
                      );


@@ -160,6 +169,19 @@ bool wxDataObject::IsSupportedFormat(
     }
 }
 
     }
 }
 

+// ----------------------------------------------------------------------------
+// wxTextDataObject
+// ----------------------------------------------------------------------------
+
+#if wxUSE_UNICODE
+void wxTextDataObject::GetAllFormats(wxDataFormat *formats, wxDataObjectBase::Direction dir) const
+{
+    *formats++ = wxDataFormat( wxDF_TEXT );
+    *formats = wxDataFormat( wxDF_UNICODETEXT );
+}
+
+#endif
+

 // ----------------------------------------------------------------------------
 // wxFileDataObject
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxFileDataObject
 // ----------------------------------------------------------------------------


@@ -182,7 +204,7 @@ bool wxFileDataObject::GetDataHere(
 
 size_t wxFileDataObject::GetDataSize() const
 {
 
 size_t wxFileDataObject::GetDataSize() const
 {

-    size_t                          nRes = 0;
+    size_t nRes = 0;

 
     for (size_t i = 0; i < m_filenames.GetCount(); i++)
     {
 
     for (size_t i = 0; i < m_filenames.GetCount(); i++)
     {


@@ -198,11 +220,12 @@ bool wxFileDataObject::SetData(
 , const void*                       pBuf
 )
 {
 , const void*                       pBuf
 )
 {

-    /* TODO */
-
-    wxString                        sFile( (const char *)pBuf);  /* char, not wxChar */
+    m_filenames.Empty();

 
 

-    AddFile(sFile);
+    // only add if this is not an empty string
+    // we can therefore clear the list by just setting an empty string
+    if ( (*(char*)pBuf) != 0 )
+        AddFile(wxString::FromAscii((char*)pBuf));

 
     return TRUE;
 }
 
     return TRUE;
 }


@@ -224,13 +247,16 @@ wxBitmapDataObject::wxBitmapDataObject()
 }
 
 wxBitmapDataObject::wxBitmapDataObject(
 }
 
 wxBitmapDataObject::wxBitmapDataObject(

-  const wxBitmap&                   rBitmap
+  const wxBitmap& rBitmap

 )
 : wxBitmapDataObjectBase(rBitmap)
 {
     Init();
 )
 : wxBitmapDataObjectBase(rBitmap)
 {
     Init();

-
-    DoConvertToPng();
+    if ( m_bitmap.Ok() )
+    {
+        m_pictHandle = m_bitmap.GetBitmapData()->GetPictHandle() ;
+        m_pictCreated = false ;
+    }

 }
 
 wxBitmapDataObject::~wxBitmapDataObject()
 }
 
 wxBitmapDataObject::~wxBitmapDataObject()


@@ -242,64 +268,70 @@ void wxBitmapDataObject::SetBitmap(
   const wxBitmap&                   rBitmap
 )
 {
   const wxBitmap&                   rBitmap
 )
 {

-    ClearAll();
+    Clear();

     wxBitmapDataObjectBase::SetBitmap(rBitmap);
     wxBitmapDataObjectBase::SetBitmap(rBitmap);

-    DoConvertToPng();
+    if ( m_bitmap.Ok() )
+    {
+        m_pictHandle = m_bitmap.GetBitmapData()->GetPictHandle() ;
+        m_pictCreated = false ;
+    }
+}
+
+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
 {
 }
 
 bool wxBitmapDataObject::GetDataHere(
   void*                             pBuf
 ) const
 {

-    if (!m_pngSize)
+    if (!m_pictHandle)

     {
         wxFAIL_MSG(wxT("attempt to copy empty bitmap failed"));
         return FALSE;
     }
     {
         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;
 }
 
     return TRUE;
 }
 

+size_t wxBitmapDataObject::GetDataSize() const
+{
+    return GetHandleSize((Handle)m_pictHandle) ;
+}
+

 bool wxBitmapDataObject::SetData(
   size_t                            nSize
 , const void*                       pBuf
 )
 {
     Clear();
 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 ;
+    // ownership is transferred to the bitmap
+    m_pictCreated = false ;
+    Rect frame = (**picHandle).picFrame ;
+    
+    wxMetafile mf ;
+    mf.SetHMETAFILE( (WXHMETAFILE) m_pictHandle ) ;
+    wxMemoryDC mdc ;
+    m_bitmap.Create( frame.right - frame.left ,frame.bottom - frame.top ) ;
+    mdc.SelectObject(m_bitmap ) ;
+    mf.Play( &mdc ) ;
+    mdc.SelectObject( wxNullBitmap ) ;
+    

     return m_bitmap.Ok();
 }
 
     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 );
-}
-
+#endif
\ No newline at end of file