class wxDataFormat : public wxObject
{
- DECLARE_CLASS( wxDataFormat )
-
public:
wxDataFormat();
wxDataFormat( wxDataFormatId type );
wxDataFormat( const wxString &id );
wxDataFormat( const wxChar *id );
- wxDataFormat( wxDataFormat &format );
+ wxDataFormat( const wxDataFormat &format );
wxDataFormat( const GdkAtom atom );
void SetType( wxDataFormatId type );
GdkAtom GetAtom();
void SetAtom(GdkAtom atom) { m_hasAtom = TRUE; m_atom = atom; }
+ // implicit conversion to wxDataFormatId
+ operator wxDataFormatId() const { return m_type; }
+
+ bool operator==(wxDataFormatId type) const { return m_type == type; }
+ bool operator!=(wxDataFormatId type) const { return m_type != type; }
+
private:
wxDataFormatId m_type;
wxString m_id;
bool m_hasAtom;
GdkAtom m_atom;
+
+ void PrepareFormats();
+
+private:
+ DECLARE_CLASS( wxDataFormat )
};
//-------------------------------------------------------------------------
class wxDataBroker : public wxObject
{
- DECLARE_CLASS( wxDataBroker )
-
public:
+ /* constructor */
+ wxDataBroker();
- /* constructor */
- wxDataBroker();
-
- /* add data object */
- void Add( wxDataObject *dataObject, bool preferred = FALSE );
+ /* add data object */
+ void Add( wxDataObject *dataObject, bool preferred = FALSE );
private:
+ /* OLE implementation, the methods don't need to be overridden */
- /* OLE implementation, the methods don't need to be overridden */
+ /* get number of supported formats */
+ virtual size_t GetFormatCount() const;
- /* get number of supported formats */
- virtual size_t GetFormatCount() const;
+ /* return nth supported format */
+ virtual wxDataFormat &GetNthFormat( size_t nth ) const;
- /* return nth supported format */
- virtual wxDataFormat &GetNthFormat( size_t nth ) const;
+ /* return preferrd/best supported format */
+ virtual wxDataFormatId GetPreferredFormat() 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, 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 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 */
+ /* search through m_dataObjects and call child's WriteData(dest) */
+ virtual void WriteData( wxDataFormat& format, void *dest ) const;
public:
-
- wxList m_dataObjects;
- size_t m_preferred;
+ /* implementation */
+ wxList m_dataObjects;
+ size_t m_preferred;
+
+private:
+ DECLARE_CLASS( wxDataBroker )
};
//----------------------------------------------------------------------------
class wxDataObject : public wxObject
{
- DECLARE_DYNAMIC_CLASS( wxDataObject )
-
public:
+ /* constructor */
+ wxDataObject();
- /* constructor */
- wxDataObject();
+ /* destructor */
+ ~wxDataObject();
- /* destructor */
- ~wxDataObject();
+ /* write data to dest */
+ virtual void WriteData( void *dest ) const = 0;
- /* write data to dest */
- virtual void WriteData( void *dest ) const = 0;
+ /* get size of data */
+ virtual size_t GetSize() const = 0;
- /* get size of data */
- virtual size_t GetSize() const = 0;
-
- /* implementation */
-
- wxDataFormat &GetFormat();
+public:
+ /* implementation */
+ wxDataFormat m_format;
+
+ wxDataFormat &GetFormat();
- wxDataFormatId GetFormatType() const;
- wxString GetFormatId() const;
- GdkAtom GetFormatAtom() const;
+ wxDataFormatId GetFormatType() const;
+ wxString GetFormatId() const;
+ GdkAtom GetFormatAtom() const;
- wxDataFormat m_format;
+private:
+ DECLARE_DYNAMIC_CLASS( wxDataObject )
};
//----------------------------------------------------------------------------
class wxTextDataObject : public wxDataObject
{
- DECLARE_DYNAMIC_CLASS( wxTextDataObject )
-
public:
+ /* default constructor. call SetText() later or override
+ WriteData() and GetSize() for working on-demand */
+ wxTextDataObject();
- /* default constructor. call SetText() later or override
- WriteData() and GetSize() for working on-demand */
- wxTextDataObject();
-
- /* constructor */
- wxTextDataObject( const wxString& data );
+ /* constructor */
+ wxTextDataObject( const wxString& data );
- /* set current text data */
- void SetText( const wxString& data );
+ /* set current text data */
+ void SetText( const wxString& data );
- /* get current text data */
- wxString GetText() const;
+ /* 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 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;
+ /* 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;
+ /* write string to dest */
+ void WriteString( const wxString &str, void *dest ) const;
- /* implementation */
+public:
+ /* implementation */
+ wxString m_data;
- wxString m_data;
+private:
+ DECLARE_DYNAMIC_CLASS( wxTextDataObject )
};
//----------------------------------------------------------------------------
class wxFileDataObject : public wxDataObject
{
- DECLARE_DYNAMIC_CLASS( wxFileDataObject )
-
public:
+ /* default constructor */
+ wxFileDataObject();
- /* default constructor */
- wxFileDataObject();
+ /* add file name to list */
+ void AddFile( const wxString &file );
- /* 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;
- /* 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;
- /* write list of filenames */
- virtual void WriteData( void *dest ) const;
+ /* return length of list of filenames */
+ virtual size_t GetSize() const;
- /* return length of list of filenames */
- virtual size_t GetSize() const;
-
- /* implementation */
-
- wxString m_files;
+public:
+ /* implementation */
+ wxString m_files;
+
+private:
+ DECLARE_DYNAMIC_CLASS( wxFileDataObject )
};
//----------------------------------------------------------------------------
class wxBitmapDataObject : public wxDataObject
{
- DECLARE_DYNAMIC_CLASS( wxBitmapDataObject )
-
public:
-
- /* see wxTextDataObject for explanation */
-
- wxBitmapDataObject();
- wxBitmapDataObject( const wxBitmap& bitmap );
-
- void SetBitmap( const wxBitmap &bitmap );
- wxBitmap GetBitmap() const;
-
- virtual void WriteData( void *dest ) const;
- virtual size_t GetSize() const;
-
- void WriteBitmap( const wxBitmap &bitmap, void *dest ) const;
-
- // implementation
-
- wxBitmap m_bitmap;
-
+ /* see wxTextDataObject for explanation */
+ wxBitmapDataObject();
+ wxBitmapDataObject( const wxBitmap& bitmap );
+ ~wxBitmapDataObject();
+
+ void SetBitmap( const wxBitmap &bitmap );
+ wxBitmap GetBitmap() const;
+
+ virtual void WriteData( void *dest ) const;
+ virtual size_t GetSize() const;
+ void *GetData() const { return (void*)m_pngData; }
+
+ void WriteBitmap( const wxBitmap &bitmap, void *dest ) const;
+
+ void SetPngData( const char *pngData, size_t pngSize );
+
+private:
+ wxBitmap m_bitmap;
+ size_t m_pngSize;
+ char *m_pngData;
+
+ void DoConvertToPng();
+
+private:
+ DECLARE_DYNAMIC_CLASS( wxBitmapDataObject );
};
#endif
projects / wxWidgets.git / blobdiff