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[wxWidgets.git] / src / gtk / dataobj.cpp

diff --git a/src/gtk/dataobj.cpp b/src/gtk/dataobj.cpp
index 7a61aaa87f5140cb30111f8c2ac50535e8e99a69..e0d6d37609f655df9e6c90d1f3e9f4a2b7204feb 100644 (file)
--- a/src/gtk/dataobj.cpp
+++ b/src/gtk/dataobj.cpp
@@ -72,8 +72,12 @@ wxDataFormat::wxDataFormat( NativeFormat format )
 void wxDataFormat::SetType( wxDataFormatId type )
 {
     PrepareFormats();
-    m_type = type;
+    
+    if (type == wxDF_UNICODETEXT)
+       type = wxDF_TEXT;
 
+    m_type = type;
+    
     if (m_type == wxDF_TEXT)
         m_format = g_textAtom;
     else
@@ -95,7 +99,7 @@ wxDataFormatId wxDataFormat::GetType() const
 
 wxString wxDataFormat::GetId() const
 {
-    wxString ret( gdk_atom_name( m_format ) );  // this will convert from ascii to Unicode
+    wxString ret = wxString::FromAscii( gdk_atom_name( m_format ) );
     return ret;
 }
 
@@ -121,7 +125,7 @@ void wxDataFormat::SetId( const wxChar *id )
     PrepareFormats();
     m_type = wxDF_PRIVATE;
     wxString tmp( id );
-    m_format = gdk_atom_intern( wxMBSTRINGCAST tmp.mbc_str(), FALSE );  // what is the string cast for?
+    m_format = gdk_atom_intern( (const char*) tmp.ToAscii(), FALSE ); 
 }
 
 void wxDataFormat::PrepareFormats()
@@ -134,7 +138,11 @@ void wxDataFormat::PrepareFormats()
     //     text/uri-list for file dnd because compatibility is not important
     //     here (with whom?)
     if (!g_textAtom)
+#if wxUSE_UNICODE
+        g_textAtom = gdk_atom_intern( "UTF8_STRING", FALSE );
+#else
         g_textAtom = gdk_atom_intern( "STRING" /* "text/plain" */, FALSE );
+#endif
     if (!g_pngAtom)
         g_pngAtom = gdk_atom_intern( "image/png", FALSE );
     if (!g_fileAtom)
@@ -152,15 +160,18 @@ wxDataObject::wxDataObject()
 bool wxDataObject::IsSupportedFormat(const wxDataFormat& format, Direction dir) const
 {
     size_t nFormatCount = GetFormatCount(dir);
-    if ( nFormatCount == 1 ) {
+    if ( nFormatCount == 1 ) 
+    {
         return format == GetPreferredFormat();
     }
-    else {
+    else 
+    {
         wxDataFormat *formats = new wxDataFormat[nFormatCount];
         GetAllFormats(formats,dir);
 
         size_t n;
-        for ( n = 0; n < nFormatCount; n++ ) {
+        for ( n = 0; n < nFormatCount; n++ ) 
+        {
             if ( formats[n] == format )
                 break;
         }
@@ -327,46 +338,44 @@ bool wxBitmapDataObject::SetData(size_t size, const void *buf)
 {
     Clear();
 
-#if wxUSE_LIBPNG
+    wxCHECK_MSG( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,
+                 FALSE, wxT("You must call wxImage::AddHandler(new wxPNGHandler); to be able to use clipboard with bitmaps!") );
+
     m_pngSize = size;
     m_pngData = malloc(m_pngSize);
 
-    memcpy( m_pngData, buf, m_pngSize );
+    memcpy(m_pngData, buf, m_pngSize);
 
-    wxMemoryInputStream mstream( (char*) m_pngData, m_pngSize );
+    wxMemoryInputStream mstream((char*) m_pngData, m_pngSize);
     wxImage image;
-    wxPNGHandler handler;
-    if ( !handler.LoadFile( &image, mstream ) )
+    if ( !image.LoadFile( mstream, wxBITMAP_TYPE_PNG ) )
     {
         return FALSE;
     }
 
-    m_bitmap = image.ConvertToBitmap();
+    m_bitmap = wxBitmap(image);
 
     return m_bitmap.Ok();
-#else
-    return FALSE;
-#endif
 }
 
 void wxBitmapDataObject::DoConvertToPng()
 {
-#if wxUSE_LIBPNG
-    if (!m_bitmap.Ok())
+    if ( !m_bitmap.Ok() )
         return;
 
-    wxImage image( m_bitmap );
-    wxPNGHandler handler;
+    wxCHECK_RET( wxImage::FindHandler(wxBITMAP_TYPE_PNG) != NULL,
+                 wxT("You must call wxImage::AddHandler(new wxPNGHandler); to be able to use clipboard with bitmaps!") );
+
+    wxImage image = m_bitmap.ConvertToImage();
 
     wxCountingOutputStream count;
-    handler.SaveFile( &image, count );
+    image.SaveFile(count, wxBITMAP_TYPE_PNG);
 
     m_pngSize = count.GetSize() + 100; // sometimes the size seems to vary ???
     m_pngData = malloc(m_pngSize);
 
-    wxMemoryOutputStream mstream( (char*) m_pngData, m_pngSize );
-    handler.SaveFile( &image, mstream );
-#endif
+    wxMemoryOutputStream mstream((char*) m_pngData, m_pngSize);
+    image.SaveFile(mstream, wxBITMAP_TYPE_PNG);
 }