// Author: Robert Roebling
// Id: $Id$
// Copyright: (c) 1998 Robert Roebling
-// Licence: wxWindows licence
+// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
-#pragma implementation "dataobj.h"
+ #pragma implementation "dataobj.h"
#endif
#include "wx/dataobj.h"
#include "wx/app.h"
#include "wx/debug.h"
+#include "wx/mstream.h"
+#include "wx/image.h"
#include "gdk/gdk.h"
//-------------------------------------------------------------------------
GdkAtom g_textAtom = 0;
+GdkAtom g_pngAtom = 0;
//-------------------------------------------------------------------------
// wxDataFormat
wxDataFormat::wxDataFormat()
{
- if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE );
+ PrepareFormats();
m_type = wxDF_INVALID;
m_hasAtom = FALSE;
m_atom = (GdkAtom) 0;
}
-wxDataFormat::wxDataFormat( wxDataType type )
+wxDataFormat::wxDataFormat( wxDataFormatId type )
{
- if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE );
+ PrepareFormats();
SetType( type );
}
+wxDataFormat::wxDataFormat( const wxChar *id )
+{
+ PrepareFormats();
+ SetId( id );
+}
+
wxDataFormat::wxDataFormat( const wxString &id )
{
- if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE );
+ PrepareFormats();
SetId( id );
}
-wxDataFormat::wxDataFormat( wxDataFormat &format )
+wxDataFormat::wxDataFormat( const wxDataFormat &format )
{
- if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE );
+ PrepareFormats();
m_type = format.GetType();
m_id = format.GetId();
m_hasAtom = TRUE;
- m_atom = format.GetAtom();
+ m_atom = ((wxDataFormat &)format).GetAtom(); // const_cast
}
wxDataFormat::wxDataFormat( const GdkAtom atom )
{
- if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE );
+ PrepareFormats();
m_hasAtom = TRUE;
-
+
m_atom = atom;
-
+
if (m_atom == g_textAtom)
{
m_type = wxDF_TEXT;
{
m_type = wxDF_PRIVATE;
m_id = gdk_atom_name( m_atom );
-
+
if (m_id == _T("file:ALL"))
{
m_type = wxDF_FILENAME;
}
}
-void wxDataFormat::SetType( wxDataType type )
+void wxDataFormat::SetType( wxDataFormatId type )
{
m_type = type;
-
+
if (m_type == wxDF_TEXT)
{
m_id = _T("STRING");
- }
+ }
else
if (m_type == wxDF_BITMAP)
{
- m_id = _T("BITMAP");
- }
+ m_id = _T("image/png");
+ }
else
if (m_type == wxDF_FILENAME)
{
{
wxFAIL_MSG( _T("invalid dataformat") );
}
-
+
m_hasAtom = FALSE;
}
-
-wxDataType wxDataFormat::GetType() const
+
+wxDataFormatId wxDataFormat::GetType() const
{
return m_type;
}
return m_id;
}
-void wxDataFormat::SetId( const wxString &id )
+void wxDataFormat::SetId( const wxChar *id )
{
m_type = wxDF_PRIVATE;
m_id = id;
if (!m_hasAtom)
{
m_hasAtom = TRUE;
-
+
if (m_type == wxDF_TEXT)
{
m_atom = g_textAtom;
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;
}
+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()
-{
+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();
+{
+ return m_dataObjects.GetCount();
}
-
-wxDataFormat &wxDataBroker::GetPreferredFormat() const
-{
+
+wxDataFormatId wxDataBroker::GetPreferredFormat() const
+{
wxNode *node = m_dataObjects.Nth( m_preferred );
-
+
wxASSERT( node );
-
+
wxDataObject* data_obj = (wxDataObject*)node->Data();
-
- return data_obj->GetFormat();
+
+ 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();
}
}
wxDataObject::wxDataObject()
{
}
-
+
wxDataObject::~wxDataObject()
{
}
return m_format;
}
-wxDataType wxDataObject::GetFormatType() const
+wxDataFormatId wxDataObject::GetFormatType() const
{
return m_format.GetType();
}
{
GdkAtom ret = ((wxDataObject*) this)->m_format.GetAtom();
return ret;
-}
+}
// ----------------------------------------------------------------------------
// wxTextDataObject
wxTextDataObject::wxTextDataObject( const wxString& data )
{
m_format.SetType( wxDF_TEXT );
-
+
m_data = data;
}
-void wxTextDataObject::SetText( const wxString& data )
+void wxTextDataObject::SetText( const wxString& data )
{
m_data = data;
}
void wxTextDataObject::WriteString( const wxString &str, void *dest ) const
{
- memcpy( dest, m_data.c_str(), GetSize() );
+ memcpy( dest, str.mb_str(), str.Len()+1 );
}
-
+
// ----------------------------------------------------------------------------
// wxFileDataObject
// ----------------------------------------------------------------------------
}
void wxFileDataObject::AddFile( const wxString &file )
-{
- m_files += file;
- m_files += (wxChar)0;
+{
+ m_files += file;
+ m_files += (wxChar)0;
}
-
+
wxString wxFileDataObject::GetFiles() const
-{
- return m_files;
+{
+ return m_files;
}
-
+
void wxFileDataObject::WriteData( void *dest ) const
{
- memcpy( dest, m_files.c_str(), GetSize() );
+ memcpy( dest, m_files.mbc_str(), GetSize() );
}
-
+
size_t wxFileDataObject::GetSize() const
{
return m_files.Len() + 1;
}
-
+
// ----------------------------------------------------------------------------
// wxBitmapDataObject
// ----------------------------------------------------------------------------
wxBitmapDataObject::wxBitmapDataObject()
{
m_format.SetType( wxDF_BITMAP );
+ m_pngData = (char*)NULL;
+ m_pngSize = 0;
}
wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& bitmap )
{
m_format.SetType( wxDF_BITMAP );
-
+ m_pngData = (char*)NULL;
+ m_pngSize = 0;
m_bitmap = bitmap;
+ DoConvertToPng();
+}
+
+wxBitmapDataObject::~wxBitmapDataObject()
+{
+ if (m_pngData) delete[] m_pngData;
}
void wxBitmapDataObject::SetBitmap( const wxBitmap &bitmap )
{
m_bitmap = bitmap;
+ DoConvertToPng();
}
wxBitmap wxBitmapDataObject::GetBitmap() const
size_t wxBitmapDataObject::GetSize() const
{
- return 0;
+ return m_pngSize;
}
void wxBitmapDataObject::WriteBitmap( const wxBitmap &bitmap, void *dest ) const
{
- memcpy( dest, m_bitmap.GetPixmap(), GetSize() );
+// if (m_bitmap == bitmap)
+ memcpy( dest, m_pngData, m_pngSize );
+}
+
+void wxBitmapDataObject::SetPngData( const char *pngData, size_t pngSize )
+{
+ 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 );
+ wxImage image;
+ wxPNGHandler handler;
+ handler.LoadFile( &image, mstream );
+ m_bitmap = image.ConvertToBitmap();
}
+
+void wxBitmapDataObject::DoConvertToPng()
+{
+ if (m_pngData) delete[] m_pngData;
+ 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 )
-wxPrivateDataObject::wxPrivateDataObject()
-{
- m_id = "application/";
- m_id += wxTheApp->GetAppName();
-
- m_format.SetId( m_id );
-
- m_size = 0;
- m_data = (char*) NULL;
-}
-
-wxPrivateDataObject::~wxPrivateDataObject()
-{
- if (m_data) delete[] m_data;
-}
-
-void wxPrivateDataObject::SetId( const wxString& id )
-{
- m_id = id;
- m_format.SetId( m_id );
-}
-
-wxString wxPrivateDataObject::GetId() const
-{
- return m_id;
+void wxPrivateDataObject::Free()
+{
+ if ( m_data )
+ free(m_data);
}
-void wxPrivateDataObject::SetData( const char *data, size_t size )
+wxPrivateDataObject::wxPrivateDataObject()
{
- m_size = size;
-
- if (m_data) delete[] m_data;
-
- m_data = new char[size];
+ wxString id = _T("application/");
+ id += wxTheApp->GetAppName();
- memcpy( m_data, data, size );
+ m_format.SetId( id );
+
+ m_size = 0;
+ m_data = (void *)NULL;
}
-char* wxPrivateDataObject::GetData() const
+void wxPrivateDataObject::SetData( const void *data, size_t size )
{
- return m_data;
+ Free();
+
+ m_size = size;
+ m_data = malloc(size);
+
+ memcpy( m_data, data, size );
}
void wxPrivateDataObject::WriteData( void *dest ) const
size_t wxPrivateDataObject::GetSize() const
{
- return m_size;
+ return m_size;
}
-void wxPrivateDataObject::WriteData( const char *data, void *dest ) const
+void wxPrivateDataObject::WriteData( const void *data, void *dest ) const
{
memcpy( dest, data, GetSize() );
}
projects / wxWidgets.git / blobdiff