// 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;
+GdkAtom g_fileAtom = 0;
//-------------------------------------------------------------------------
// wxDataFormat
//-------------------------------------------------------------------------
-IMPLEMENT_CLASS(wxDataFormat, wxObject)
-
wxDataFormat::wxDataFormat()
{
- if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE );
+ PrepareFormats();
m_type = wxDF_INVALID;
- m_hasAtom = FALSE;
- m_atom = (GdkAtom) 0;
+ m_format = (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 wxString &id )
+wxDataFormat::wxDataFormat( const wxChar *id )
{
- if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE );
+ PrepareFormats();
SetId( id );
}
-wxDataFormat::wxDataFormat( wxDataFormat &format )
+wxDataFormat::wxDataFormat( const wxString &id )
{
- if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE );
- m_type = format.GetType();
- m_id = format.GetId();
- m_hasAtom = TRUE;
- m_atom = format.GetAtom();
+ PrepareFormats();
+ SetId( id );
}
-wxDataFormat::wxDataFormat( const GdkAtom atom )
+wxDataFormat::wxDataFormat( NativeFormat format )
{
- if (!g_textAtom) g_textAtom = gdk_atom_intern( "STRING", FALSE );
- 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 == "file:ALL")
- {
- m_type = wxDF_FILENAME;
- }
- }
+ PrepareFormats();
+ SetId( format );
}
-void wxDataFormat::SetType( wxDataType type )
+void wxDataFormat::SetType( wxDataFormatId type )
{
m_type = type;
-
+
if (m_type == wxDF_TEXT)
- {
- m_id = "STRING";
- }
+ m_format = g_textAtom;
else
if (m_type == wxDF_BITMAP)
- {
- m_id = "BITMAP";
- }
+ m_format = g_pngAtom;
else
if (m_type == wxDF_FILENAME)
- {
- m_id = "file:ALL";
- }
+ m_format = g_fileAtom;
else
{
- wxFAIL_MSG( "invalid dataformat" );
+ wxFAIL_MSG( wxT("invalid dataformat") );
}
-
- m_hasAtom = FALSE;
}
-
-wxDataType wxDataFormat::GetType() const
+
+wxDataFormatId wxDataFormat::GetType() const
{
return m_type;
}
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 wxString &id )
+void wxDataFormat::SetId( NativeFormat format )
{
- m_type = wxDF_PRIVATE;
- m_id = id;
- m_hasAtom = FALSE;
-}
+ m_format = format;
-GdkAtom wxDataFormat::GetAtom()
-{
- 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( WXSTRINGCAST( m_id ), 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;
-}
-
-//-------------------------------------------------------------------------
-// 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();
-}
-
-wxDataFormat &wxDataBroker::GetPreferredFormat() const
-{
- wxNode *node = m_dataObjects.Nth( m_preferred );
-
- wxASSERT( node );
-
- wxDataObject* data_obj = (wxDataObject*)node->Data();
-
- return data_obj->GetFormat();
+ 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;
}
-
-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
+void wxDataFormat::SetId( const wxChar *id )
{
- 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;
+ m_type = wxDF_PRIVATE;
+ wxString tmp( id );
+ m_format = gdk_atom_intern( wxMBSTRINGCAST tmp.mbc_str(), FALSE ); // what is the string cast for?
}
-
-void wxDataBroker::WriteData( wxDataFormat& format, void *dest ) const
+
+void wxDataFormat::PrepareFormats()
{
- 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::wxDataObject()
{
}
-
+
wxDataObject::~wxDataObject()
{
}
-wxDataFormat &wxDataObject::GetFormat()
+bool wxDataObject::IsSupportedFormat(const wxDataFormat& format) const
{
- return m_format;
-}
+ size_t nFormatCount = GetFormatCount();
+ if ( nFormatCount == 1 ) {
+ return format == GetPreferredFormat();
+ }
+ else {
+ wxDataFormat *formats = new wxDataFormat[nFormatCount];
+ GetAllFormats(formats);
+
+ size_t n;
+ for ( n = 0; n < nFormatCount; n++ ) {
+ if ( formats[n] == format )
+ break;
+ }
-wxDataType wxDataObject::GetFormatType() const
-{
- return m_format.GetType();
-}
+ delete [] formats;
-wxString wxDataObject::GetFormatId() const
-{
- return m_format.GetId();
+ // found?
+ return n < nFormatCount;
+ }
}
-GdkAtom wxDataObject::GetFormatAtom() const
-{
- GdkAtom ret = ((wxDataObject*) this)->m_format.GetAtom();
- return ret;
-}
// ----------------------------------------------------------------------------
// wxTextDataObject
IMPLEMENT_DYNAMIC_CLASS( wxTextDataObject, wxDataObject )
-wxTextDataObject::wxTextDataObject()
-{
- m_format.SetType( wxDF_TEXT );
-}
-
-wxTextDataObject::wxTextDataObject( const wxString& data )
-{
- m_format.SetType( wxDF_TEXT );
-
- m_data = data;
+wxTextDataObject::wxTextDataObject()
+{
}
-void wxTextDataObject::SetText( const wxString& data )
-{
- m_data = data;
+wxTextDataObject::wxTextDataObject(const wxString& strText)
+ : m_strText(strText)
+{
}
-wxString wxTextDataObject::GetText() const
-{
- return m_data;
+size_t wxTextDataObject::GetDataSize(const wxDataFormat& format) const
+{
+ return m_strText.Len() + 1; // +1 for trailing '\0'of course
}
-void wxTextDataObject::WriteData( void *dest ) const
-{
- WriteString( m_data, dest );
+bool wxTextDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
+{
+ memcpy(buf, m_strText.c_str(), GetDataSize(format));
+ return TRUE;
}
-size_t wxTextDataObject::GetSize() const
-{
- return m_data.Len() + 1;
+bool wxTextDataObject::SetData(const wxDataFormat& format, const void *buf)
+{
+ m_strText = (const wxChar *)buf;
+ return TRUE;
}
-void wxTextDataObject::WriteString( const wxString &str, void *dest ) const
-{
- memcpy( dest, m_data.c_str(), GetSize() );
-}
-
// ----------------------------------------------------------------------------
// wxFileDataObject
// ----------------------------------------------------------------------------
wxFileDataObject::wxFileDataObject()
{
- m_format.SetType( wxDF_FILENAME );
}
void wxFileDataObject::AddFile( const wxString &file )
-{
- m_files += file;
- m_files += (char)0;
+{
+ m_files += file;
+ m_files += (wxChar)0;
}
-
+
wxString wxFileDataObject::GetFiles() const
-{
- return m_files;
+{
+ return m_files;
}
-
-void wxFileDataObject::WriteData( void *dest ) const
+
+bool wxFileDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
{
- memcpy( dest, m_files.c_str(), GetSize() );
+ if (format == wxDF_FILENAME)
+ {
+ memcpy( buf, m_files.mbc_str(), m_files.Len() + 1 );
+ return TRUE;
+ }
+
+ return FALSE;
}
-
-size_t wxFileDataObject::GetSize() const
+
+size_t wxFileDataObject::GetDataSize(const wxDataFormat& format) const
{
+ if (format != wxDF_FILENAME) return 0;
+
return m_files.Len() + 1;
}
-
+
+bool wxFileDataObject::SetData(const wxDataFormat& format, const void *buf)
+{
+ if (format != wxDF_FILENAME)
+ return FALSE;
+
+ m_files = (char*)(buf); // this is so ugly, I cannot look at it
+
+ return TRUE;
+}
+
// ----------------------------------------------------------------------------
// wxBitmapDataObject
// ----------------------------------------------------------------------------
wxBitmapDataObject::wxBitmapDataObject()
{
- m_format.SetType( wxDF_BITMAP );
+ m_pngData = (void*)NULL;
+ m_pngSize = 0;
}
wxBitmapDataObject::wxBitmapDataObject( const wxBitmap& bitmap )
{
- m_format.SetType( wxDF_BITMAP );
-
+ m_pngData = (void*)NULL;
+ m_pngSize = 0;
m_bitmap = bitmap;
+ DoConvertToPng();
+}
+
+wxBitmapDataObject::~wxBitmapDataObject()
+{
+ if (m_pngData)
+ delete[] m_pngData;
}
void wxBitmapDataObject::SetBitmap( const wxBitmap &bitmap )
{
+ if (m_pngData)
+ delete[] m_pngData;
+ m_pngData = (void*)NULL;
+ m_pngSize = 0;
+
m_bitmap = bitmap;
+ DoConvertToPng();
}
-wxBitmap wxBitmapDataObject::GetBitmap() const
+size_t wxBitmapDataObject::GetDataSize(const wxDataFormat& format) const
{
- return m_bitmap;
+ if (format != wxDF_BITMAP) return 0;
+
+ return m_pngSize;
}
-void wxBitmapDataObject::WriteData( void *dest ) const
+bool wxBitmapDataObject::GetDataHere(const wxDataFormat& format, void *buf) const
{
- WriteBitmap( m_bitmap, dest );
+ if (format != wxDF_BITMAP) return FALSE;
+
+ if (m_pngSize > 0)
+ {
+ memcpy(buf, m_pngData, m_pngSize);
+ return TRUE;
+ }
+
+ return FALSE;
}
-size_t wxBitmapDataObject::GetSize() const
+bool wxBitmapDataObject::SetData(const wxDataFormat& format, const void *buf)
{
- return 0;
+ if (m_pngData) delete[] m_pngData;
+ m_pngData = (void*) NULL;
+ m_pngSize = 0;
+ m_bitmap = wxNullBitmap;
+
+ return FALSE;
}
-void wxBitmapDataObject::WriteBitmap( const wxBitmap &bitmap, void *dest ) const
+void wxBitmapDataObject::SetPngData(const void *buf, size_t size)
{
- memcpy( dest, m_bitmap.GetPixmap(), GetSize() );
+ if (m_pngData) delete[] m_pngData;
+ m_pngSize = size;
+ m_pngData = (void*) new char[m_pngSize];
+
+ memcpy( m_pngData, buf, m_pngSize );
+
+ wxMemoryInputStream mstream( (char*) m_pngData, m_pngSize );
+ wxImage image;
+ wxPNGHandler handler;
+ handler.LoadFile( &image, mstream );
+ m_bitmap = image.ConvertToBitmap();
}
+
+void wxBitmapDataObject::DoConvertToPng()
+{
+ 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 = (void*) new char[m_pngSize];
+
+ wxMemoryOutputStream mstream( (char*) m_pngData, m_pngSize );
+ handler.SaveFile( &image, mstream );
+}
+
// ----------------------------------------------------------------------------
// wxPrivateDataObject
// ----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS( wxPrivateDataObject, wxDataObject )
+IMPLEMENT_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 = wxT("application/");
+ id += wxTheApp->GetAppName();
+
+ m_format.SetId( id );
- memcpy( m_data, data, size );
+ 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