-//-------------------------------------------------------------------------
-// classes
-//-------------------------------------------------------------------------
-
-class wxDataFormat;
-class wxDataBroker;
-class wxDataObject;
-class wxTextDataObject;
-class wxBitmapDataObject;
-class wxPrivateDataObject;
-class wxFileDataObject;
-
-//-------------------------------------------------------------------------
-// wxDataType (internal)
-//-------------------------------------------------------------------------
-
-enum wxDataType
-{
- wxDF_INVALID = 0,
- wxDF_TEXT = 1, /* CF_TEXT */
- wxDF_BITMAP = 2, /* CF_BITMAP */
- wxDF_METAFILE = 3, /* CF_METAFILEPICT */
- wxDF_SYLK = 4,
- wxDF_DIF = 5,
- wxDF_TIFF = 6,
- wxDF_OEMTEXT = 7, /* CF_OEMTEXT */
- wxDF_DIB = 8, /* CF_DIB */
- wxDF_PALETTE = 9,
- wxDF_PENDATA = 10,
- wxDF_RIFF = 11,
- wxDF_WAVE = 12,
- wxDF_UNICODETEXT = 13,
- wxDF_ENHMETAFILE = 14,
- wxDF_FILENAME = 15, /* CF_HDROP */
- wxDF_LOCALE = 16,
- wxDF_PRIVATE = 20
-};
-
-//-------------------------------------------------------------------------
-// wxDataFormat (internal)
-//-------------------------------------------------------------------------
-
-class wxDataFormat : public wxObject
-{
- DECLARE_CLASS( wxDataFormat )
-
-public:
-
- wxDataFormat();
- wxDataFormat( wxDataType type );
- wxDataFormat( const wxString &id );
- wxDataFormat( const wxChar *id );
- wxDataFormat( wxDataFormat &format );
- wxDataFormat( const GdkAtom atom );
-
- void SetType( wxDataType type );
- wxDataType GetType() const;
-
- wxString GetId() const;
- void SetId( const wxChar *id );
-
- GdkAtom GetAtom();
- void SetAtom(GdkAtom atom) { m_hasAtom = TRUE; m_atom = atom; }
-private:
-
- wxDataType m_type;
- wxString m_id;
- bool m_hasAtom;
- GdkAtom m_atom;
-};
-
-//-------------------------------------------------------------------------
-// wxDataBroker (internal)
-//-------------------------------------------------------------------------
-
-class wxDataBroker : public wxObject
-{
- DECLARE_CLASS( wxDataBroker )
-
-public:
-
- /* constructor */
- wxDataBroker();
-
- /* add data object */
- void Add( wxDataObject *dataObject, bool preferred = FALSE );
-
-private:
-
- /* OLE implementation, the methods don't need to be overridden */
-
- /* get number of supported formats */
- virtual size_t GetFormatCount() const;
-
- /* return nth supported format */
- virtual wxDataFormat &GetNthFormat( size_t nth ) const;
-
- /* return preferrd/best supported format */
- virtual wxDataFormat &GetPreferredFormat() const;
-
- /* search through m_dataObjects, return TRUE if found */
- virtual bool IsSupportedFormat( wxDataFormat &format ) const;
-
- /* search through m_dataObjects and call child's GetSize() */
- virtual size_t GetSize( wxDataFormat& format ) const;
-
- /* search through m_dataObjects and call child's WriteData(dest) */
- virtual void WriteData( wxDataFormat& format, void *dest ) const;
-
- /* implementation */
-
-public:
-
- wxList m_dataObjects;
- size_t m_preferred;
-};
-
-//----------------------------------------------------------------------------
-// wxDataObject to be placed in wxDataBroker
-//----------------------------------------------------------------------------
-
-class wxDataObject : public wxObject
-{
- DECLARE_DYNAMIC_CLASS( wxDataObject )
-
-public:
-
- /* constructor */
- wxDataObject();
-
- /* destructor */
- ~wxDataObject();
-
- /* write data to dest */
- virtual void WriteData( void *dest ) const = 0;
-
- /* get size of data */
- virtual size_t GetSize() const = 0;
-
- /* implementation */
-
- wxDataFormat &GetFormat();
-
- wxDataType GetFormatType() const;
- wxString GetFormatId() const;
- GdkAtom GetFormatAtom() const;
-
- wxDataFormat m_format;
-};
-
-//----------------------------------------------------------------------------
-// wxTextDataObject is a specialization of wxDataObject for text data
-//----------------------------------------------------------------------------
-
-class wxTextDataObject : public wxDataObject
-{
- DECLARE_DYNAMIC_CLASS( wxTextDataObject )
-
-public:
-
- /* default constructor. call SetText() later or override
- WriteData() and GetSize() for working on-demand */
- wxTextDataObject();
-
- /* constructor */
- wxTextDataObject( const wxString& data );
-
- /* set current text data */
- void SetText( const wxString& data );
-
- /* get current text data */
- wxString GetText() const;
-
- /* by default calls WriteString() with string set by constructor or
- by SetText(). can be overridden for working on-demand */
- virtual void WriteData( void *dest ) const;
-
- /* by default, returns length of string as set by constructor or
- by SetText(). can be overridden for working on-demand */
- virtual size_t GetSize() const;
-
- /* write string to dest */
- void WriteString( const wxString &str, void *dest ) const;
-
- /* implementation */
-
- wxString m_data;
-};
-
-//----------------------------------------------------------------------------
-// wxFileDataObject is a specialization of wxDataObject for file names
-//----------------------------------------------------------------------------
-
-class wxFileDataObject : public wxDataObject
-{
- DECLARE_DYNAMIC_CLASS( wxFileDataObject )
-
-public:
-
- /* default constructor */
- wxFileDataObject();
-
- /* add file name to list */
- void AddFile( const wxString &file );
-
- /* get all filename as one string. each file name is 0 terminated,
- the list is double zero terminated */
- wxString GetFiles() const;
-
- /* write list of filenames */
- virtual void WriteData( void *dest ) const;
-
- /* return length of list of filenames */
- virtual size_t GetSize() const;
-
- /* implementation */
-
- wxString m_files;
-};
-
-//----------------------------------------------------------------------------
-// wxBitmapDataObject is a specialization of wxDataObject for bitmaps
-//----------------------------------------------------------------------------
-
-class wxBitmapDataObject : public wxDataObject
projects / wxWidgets.git / blobdiff