#include "gdk/gdk.h"
-
//-------------------------------------------------------------------------
// global data
//-------------------------------------------------------------------------
GdkAtom g_textAtom = 0;
GdkAtom g_pngAtom = 0;
+GdkAtom g_fileAtom = 0;
//-------------------------------------------------------------------------
// wxDataFormat
//-------------------------------------------------------------------------
-IMPLEMENT_CLASS(wxDataFormat, wxObject)
-
wxDataFormat::wxDataFormat()
{
- PrepareFormats();
+ // do *not* call PrepareFormats() from here for 2 reasons:
+ //
+ // 1. we will have time to do it later because some other Set function
+ // must be called before we really need them
+ //
+ // 2. doing so prevents us from declaring global wxDataFormats because
+ // calling PrepareFormats (and thus gdk_atom_intern) before GDK is
+ // initialised will result in a crash
m_type = wxDF_INVALID;
- m_hasAtom = FALSE;
- m_atom = (GdkAtom) 0;
+ m_format = (GdkAtom) 0;
}
wxDataFormat::wxDataFormat( wxDataFormatId type )
SetId( id );
}
-wxDataFormat::wxDataFormat( const wxDataFormat &format )
-{
- PrepareFormats();
- m_type = format.GetType();
- m_id = format.GetId();
- m_hasAtom = TRUE;
- m_atom = ((wxDataFormat &)format).GetAtom(); // const_cast
-}
-
-wxDataFormat::wxDataFormat( const GdkAtom atom )
+wxDataFormat::wxDataFormat( NativeFormat format )
{
PrepareFormats();
- m_hasAtom = TRUE;
-
- m_atom = atom;
-
- if (m_atom == g_textAtom)
- {
- m_type = wxDF_TEXT;
- } else
- if (m_atom == GDK_TARGET_BITMAP)
- {
- m_type = wxDF_BITMAP;
- } else
- {
- m_type = wxDF_PRIVATE;
- m_id = gdk_atom_name( m_atom );
-
- if (m_id == _T("file:ALL"))
- {
- m_type = wxDF_FILENAME;
- }
- }
+ SetId( format );
}
void wxDataFormat::SetType( wxDataFormatId type )
{
+ PrepareFormats();
m_type = type;
if (m_type == wxDF_TEXT)
- {
- m_id = _T("STRING");
- }
+ m_format = g_textAtom;
else
if (m_type == wxDF_BITMAP)
- {
- m_id = _T("image/png");
- }
+ m_format = g_pngAtom;
else
if (m_type == wxDF_FILENAME)
- {
- m_id = _T("file:ALL");
- }
+ m_format = g_fileAtom;
else
{
- wxFAIL_MSG( _T("invalid dataformat") );
+ wxFAIL_MSG( wxT("invalid dataformat") );
}
-
- m_hasAtom = FALSE;
}
wxDataFormatId wxDataFormat::GetType() const
wxString wxDataFormat::GetId() const
{
- return m_id;
+ wxString ret( gdk_atom_name( m_format ) ); // this will convert from ascii to Unicode
+ return ret;
}
-void wxDataFormat::SetId( const wxChar *id )
+void wxDataFormat::SetId( NativeFormat format )
{
- m_type = wxDF_PRIVATE;
- m_id = id;
- m_hasAtom = FALSE;
+ PrepareFormats();
+ m_format = format;
+
+ if (m_format == g_textAtom)
+ m_type = wxDF_TEXT;
+ else
+ if (m_format == g_pngAtom)
+ m_type = wxDF_BITMAP;
+ else
+ if (m_format == g_fileAtom)
+ m_type = wxDF_FILENAME;
+ else
+ m_type = wxDF_PRIVATE;
}
-GdkAtom wxDataFormat::GetAtom()
+void wxDataFormat::SetId( const wxChar *id )
{
- if (!m_hasAtom)
- {
- m_hasAtom = TRUE;
-
- if (m_type == wxDF_TEXT)
- {
- m_atom = g_textAtom;
- }
- else
- if (m_type == wxDF_BITMAP)
- {
- m_atom = GDK_TARGET_BITMAP;
- }
- else
- if (m_type == wxDF_PRIVATE)
- {
- m_atom = gdk_atom_intern( MBSTRINGCAST m_id.mbc_str(), FALSE );
- }
- else
- if (m_type == wxDF_FILENAME)
- {
- m_atom = gdk_atom_intern( "file:ALL", FALSE );
- }
- else
- {
- m_hasAtom = FALSE;
- m_atom = (GdkAtom) 0;
- }
- }
-
- return m_atom;
+ PrepareFormats();
+ m_type = wxDF_PRIVATE;
+ wxString tmp( id );
+ m_format = gdk_atom_intern( wxMBSTRINGCAST tmp.mbc_str(), FALSE ); // what is the string cast for?
}
void wxDataFormat::PrepareFormats()
{
- if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE );
- if (!g_pngAtom) g_pngAtom = gdk_atom_intern( "image/png", FALSE );
-}
-
-//-------------------------------------------------------------------------
-// wxDataBroker
-//-------------------------------------------------------------------------
-
-IMPLEMENT_CLASS(wxDataBroker,wxObject)
-
-wxDataBroker::wxDataBroker()
-{
- m_dataObjects.DeleteContents(TRUE);
- m_preferred = 0;
-}
-
-void wxDataBroker::Add( wxDataObject *dataObject, bool preferred )
-{
- if (preferred) m_preferred = m_dataObjects.GetCount();
- m_dataObjects.Append( dataObject );
-}
-
-size_t wxDataBroker::GetFormatCount() const
-{
- return m_dataObjects.GetCount();
-}
-
-wxDataFormatId wxDataBroker::GetPreferredFormat() const
-{
- wxNode *node = m_dataObjects.Nth( m_preferred );
-
- wxASSERT( node );
-
- wxDataObject* data_obj = (wxDataObject*)node->Data();
-
- return data_obj->GetFormat().GetType();
-}
-
-wxDataFormat &wxDataBroker::GetNthFormat( size_t nth ) const
-{
- wxNode *node = m_dataObjects.Nth( nth );
-
- wxASSERT( node );
-
- wxDataObject* data_obj = (wxDataObject*)node->Data();
-
- return data_obj->GetFormat();
-}
-
-bool wxDataBroker::IsSupportedFormat( wxDataFormat &format ) const
-{
- wxNode *node = m_dataObjects.First();
- while (node)
- {
- wxDataObject *dobj = (wxDataObject*)node->Data();
-
- if (dobj->GetFormat().GetAtom() == format.GetAtom())
- {
- return TRUE;
- }
-
- node = node->Next();
- }
-
- return FALSE;
-}
-
-size_t wxDataBroker::GetSize( wxDataFormat& format ) const
-{
- wxNode *node = m_dataObjects.First();
- while (node)
- {
- wxDataObject *dobj = (wxDataObject*)node->Data();
-
- if (dobj->GetFormat().GetAtom() == format.GetAtom())
- {
- return dobj->GetSize();
- }
-
- node = node->Next();
- }
-
- return 0;
-}
-
-void wxDataBroker::WriteData( wxDataFormat& format, void *dest ) const
-{
- wxNode *node = m_dataObjects.First();
- while (node)
- {
- wxDataObject *dobj = (wxDataObject*)node->Data();
-
- if (dobj->GetFormat().GetAtom() == format.GetAtom())
- {
- dobj->WriteData( dest );
- }
-
- node = node->Next();
- }
+ if (!g_textAtom)
+ g_textAtom = gdk_atom_intern( "STRING", FALSE );
+ if (!g_pngAtom)
+ g_pngAtom = gdk_atom_intern( "image/png", FALSE );
+ if (!g_fileAtom)
+ g_fileAtom = gdk_atom_intern( "file:ALL", FALSE );
}
//-------------------------------------------------------------------------
// wxDataObject
//-------------------------------------------------------------------------
-IMPLEMENT_ABSTRACT_CLASS( wxDataObject, wxObject )
-
wxDataObject::wxDataObject()
{
}
-wxDataObject::~wxDataObject()
-{
-}
-
-wxDataFormat &wxDataObject::GetFormat()
+bool wxDataObject::IsSupportedFormat(const wxDataFormat& format, Direction dir) const
{
- return m_format;
-}
+ size_t nFormatCount = GetFormatCount(dir);
+ if ( nFormatCount == 1 ) {
+ return format == GetPreferredFormat();
+ }
+ else {
+ wxDataFormat *formats = new wxDataFormat[nFormatCount];
+ GetAllFormats(formats,dir);
+
+ size_t n;
+ for ( n = 0; n < nFormatCount; n++ ) {
+ if ( formats[n] == format )
+ break;
+ }
-wxDataFormatId wxDataObject::GetFormatType() const
-{
- return m_format.GetType();
-}
+ delete [] formats;
-wxString wxDataObject::GetFormatId() const
-{
- return m_format.GetId();
-}
-
-GdkAtom wxDataObject::GetFormatAtom() const
-{
- GdkAtom ret = ((wxDataObject*) this)->m_format.GetAtom();
- return ret;
+ // found?
+ return n < nFormatCount;
+ }
}
// ----------------------------------------------------------------------------
-// wxTextDataObject
+// wxFileDataObject
// ----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS( wxTextDataObject, wxDataObject )
-
-wxTextDataObject::wxTextDataObject()
+bool wxFileDataObject::GetDataHere(void *buf) const
{
- m_format.SetType( wxDF_TEXT );
-}
-
-wxTextDataObject::wxTextDataObject( const wxString& data )
-{
- m_format.SetType( wxDF_TEXT );
+ wxString filenames;
- m_data = data;
-}
+ for (size_t i = 0; i < m_filenames.GetCount(); i++)
+ {
+ filenames += m_filenames[i];
+ filenames += (wxChar) 0;
+ }
-void wxTextDataObject::SetText( const wxString& data )
-{
- m_data = data;
-}
+ memcpy( buf, filenames.mbc_str(), filenames.Len() + 1 );
-wxString wxTextDataObject::GetText() const
-{
- return m_data;
+ return TRUE;
}
-void wxTextDataObject::WriteData( void *dest ) const
+size_t wxFileDataObject::GetDataSize() const
{
- WriteString( m_data, dest );
-}
+ size_t res = 0;
-size_t wxTextDataObject::GetSize() const
-{
- return m_data.Len() + 1;
-}
+ for (size_t i = 0; i < m_filenames.GetCount(); i++)
+ {
+ res += m_filenames[i].Len();
+ res += 1;
+ }
-void wxTextDataObject::WriteString( const wxString &str, void *dest ) const
-{
- memcpy( dest, str.mb_str(), str.Len()+1 );
+ return res + 1;
}
-// ----------------------------------------------------------------------------
-// wxFileDataObject
-// ----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS( wxFileDataObject, wxDataObject )
-
-wxFileDataObject::wxFileDataObject()
+bool wxFileDataObject::SetData(size_t WXUNUSED(size), const void *buf)
{
- m_format.SetType( wxDF_FILENAME );
-}
+ /* TODO */
-void wxFileDataObject::AddFile( const wxString &file )
-{
- m_files += file;
- m_files += (wxChar)0;
-}
+ wxString file( (const char *)buf ); /* char, not wxChar */
-wxString wxFileDataObject::GetFiles() const
-{
- return m_files;
-}
+ AddFile( file );
-void wxFileDataObject::WriteData( void *dest ) const
-{
- memcpy( dest, m_files.mbc_str(), GetSize() );
+ return TRUE;
}
-size_t wxFileDataObject::GetSize() const
+void wxFileDataObject::AddFile( const wxString &filename )
{
- return m_files.Len() + 1;
+ m_filenames.Add( filename );
}
// ----------------------------------------------------------------------------
// wxBitmapDataObject
// ----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS( wxBitmapDataObject, wxDataObject )
-
wxBitmapDataObject::wxBitmapDataObject()
{
- m_format.SetType( wxDF_BITMAP );
- m_pngData = (char*)NULL;
- m_pngSize = 0;
+ Init();
}
wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& bitmap )
+ : wxBitmapDataObjectBase(bitmap)
{
- m_format.SetType( wxDF_BITMAP );
- m_pngData = (char*)NULL;
- m_pngSize = 0;
- m_bitmap = bitmap;
+ Init();
+
DoConvertToPng();
}
wxBitmapDataObject::~wxBitmapDataObject()
{
- if (m_pngData) delete[] m_pngData;
+ Clear();
}
void wxBitmapDataObject::SetBitmap( const wxBitmap &bitmap )
{
- m_bitmap = bitmap;
+ ClearAll();
+
+ wxBitmapDataObjectBase::SetBitmap(bitmap);
+
DoConvertToPng();
}
-wxBitmap wxBitmapDataObject::GetBitmap() const
+bool wxBitmapDataObject::GetDataHere(void *buf) const
{
- return m_bitmap;
-}
+ if ( !m_pngSize )
+ {
+ wxFAIL_MSG( wxT("attempt to copy empty bitmap failed") );
-void wxBitmapDataObject::WriteData( void *dest ) const
-{
- WriteBitmap( m_bitmap, dest );
-}
+ return FALSE;
+ }
-size_t wxBitmapDataObject::GetSize() const
-{
- return m_pngSize;
-}
+ memcpy(buf, m_pngData, m_pngSize);
-void wxBitmapDataObject::WriteBitmap( const wxBitmap &WXUNUSED(bitmap), void *dest ) const
-{
-// if (m_bitmap == bitmap)
- memcpy( dest, m_pngData, m_pngSize );
+ return TRUE;
}
-void wxBitmapDataObject::SetPngData( const char *pngData, size_t pngSize )
+bool wxBitmapDataObject::SetData(size_t size, const void *buf)
{
- if (m_pngData) delete[] m_pngData;
- m_pngData = (char*) NULL;
- m_pngSize = pngSize;
- m_pngData = new char[m_pngSize];
- memcpy( m_pngData, pngData, m_pngSize );
-
- wxMemoryInputStream mstream( pngData, pngSize );
+ Clear();
+
+ m_pngSize = size;
+ m_pngData = malloc(m_pngSize);
+
+ memcpy( m_pngData, buf, m_pngSize );
+
+ wxMemoryInputStream mstream( (char*) m_pngData, m_pngSize );
wxImage image;
wxPNGHandler handler;
- handler.LoadFile( &image, mstream );
+ if ( !handler.LoadFile( &image, mstream ) )
+ {
+ return FALSE;
+ }
+
m_bitmap = image.ConvertToBitmap();
+
+ return m_bitmap.Ok();
}
void wxBitmapDataObject::DoConvertToPng()
{
- if (m_pngData) delete[] m_pngData;
-
+ if (!m_bitmap.Ok())
+ return;
+
wxImage image( m_bitmap );
wxPNGHandler handler;
-
+
wxCountingOutputStream count;
handler.SaveFile( &image, count );
- m_pngSize = count.GetSize() + 100; // sometimes the size seems to vary ???
- m_pngData = new char[m_pngSize];
-
- wxMemoryOutputStream mstream( m_pngData, m_pngSize );
- handler.SaveFile( &image, mstream );
-}
-
-// ----------------------------------------------------------------------------
-// wxPrivateDataObject
-// ----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS( wxPrivateDataObject, wxDataObject )
-
-void wxPrivateDataObject::Free()
-{
- if ( m_data )
- free(m_data);
-}
-wxPrivateDataObject::wxPrivateDataObject()
-{
- wxString id = _T("application/");
- id += wxTheApp->GetAppName();
-
- m_format.SetId( id );
-
- m_size = 0;
- m_data = (void *)NULL;
-}
-
-void wxPrivateDataObject::SetData( const void *data, size_t size )
-{
- Free();
-
- m_size = size;
- m_data = malloc(size);
-
- memcpy( m_data, data, size );
-}
-
-void wxPrivateDataObject::WriteData( void *dest ) const
-{
- WriteData( m_data, dest );
-}
+ m_pngSize = count.GetSize() + 100; // sometimes the size seems to vary ???
+ m_pngData = malloc(m_pngSize);
-size_t wxPrivateDataObject::GetSize() const
-{
- return m_size;
+ wxMemoryOutputStream mstream( (char*) m_pngData, m_pngSize );
+ handler.SaveFile( &image, mstream );
}
-void wxPrivateDataObject::WriteData( const void *data, void *dest ) const
-{
- memcpy( dest, data, GetSize() );
-}
projects / wxWidgets.git / blobdiff