class wxFileDataObject;
//-------------------------------------------------------------------------
-// wxDataFormat
+// wxDataFormat (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
-};
-
class wxDataFormat : public wxObject
{
- DECLARE_CLASS( wxDataFormat )
-
public:
-
- wxDataFormat( wxDataType type );
- wxDataFormat( const wxString &id );
- wxDataFormat( wxDataFormat &format );
- wxDataFormat( const GdkAtom atom );
-
- int GetType() const;
- wxString GetId() const;
- void SetId( const wxString &id );
- GdkAtom GetAtom();
-
+ wxDataFormat();
+ wxDataFormat( wxDataFormatId type );
+ wxDataFormat( const wxString &id );
+ wxDataFormat( const wxChar *id );
+ wxDataFormat( const wxDataFormat &format );
+ wxDataFormat( const GdkAtom atom );
+
+ void SetType( wxDataFormatId type );
+ wxDataFormatId GetType() const;
+
+ /* the string Id identifies the format of clipboard or DnD data. a word
+ * processor would e.g. add a wxTextDataObject and a wxPrivateDataObject
+ * to the clipboard - the latter with the Id "application/wxword", an
+ * image manipulation program would put a wxBitmapDataObject and a
+ * wxPrivateDataObject to the clipboard - the latter with "image/png". */
+
+ wxString GetId() const;
+ void SetId( const wxChar *id );
+
+ 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();
- int m_type;
- wxString m_id;
- bool m_hasAtom;
- GdkAtom m_atom;
+private:
+ DECLARE_CLASS( wxDataFormat )
};
//-------------------------------------------------------------------------
-// wxDataBroker handles data and ormat negotiation for clipboard and DnD
+// wxDataBroker (internal)
//-------------------------------------------------------------------------
class wxDataBroker : public wxObject
{
- DECLARE_CLASS( wxDataBroker )
-
public:
+ /* constructor */
+ wxDataBroker();
- /* 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 */
+ /* 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 wxDataFormatId 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;
public:
+ /* implementation */
+ wxList m_dataObjects;
+ size_t m_preferred;
- 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();
-
- /* write data to dest */
- virtual void WriteData( void *dest ) const = 0;
-
- /* get size of data */
- virtual size_t GetSize() const = 0;
-
- /* implementation */
-
- virtual wxDataFormat &GetFormat() const;
-
- wxDataFormat *m_format;
-};
+ /* destructor */
+ ~wxDataObject();
-//----------------------------------------------------------------------------
-// wxTextDataObject is a specialization of wxDataObject for text data
-//----------------------------------------------------------------------------
+ /* write data to dest */
+ virtual void WriteData( void *dest ) const = 0;
-class wxTextDataObject : public wxDataObject
-{
- DECLARE_DYNAMIC_CLASS( wxTextDataObject )
+ /* get size of data */
+ virtual size_t GetSize() const = 0;
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 );
+ /* implementation */
+ wxDataFormat m_format;
- /* get current text data */
- wxString GetText() const;
+ wxDataFormat &GetFormat();
- /* 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 */
+ wxDataFormatId GetFormatType() const;
+ wxString GetFormatId() const;
+ GdkAtom GetFormatAtom() const;
- wxString m_data;
+private:
+ DECLARE_DYNAMIC_CLASS( wxDataObject )
};
//----------------------------------------------------------------------------
-// wxFileDataObject is a specialization of wxDataObject for file names
+// wxTextDataObject is a specialization of wxDataObject for text data
//----------------------------------------------------------------------------
-class wxFileDataObject : public wxDataObject
+class wxTextDataObject : public wxDataObject
{
- DECLARE_DYNAMIC_CLASS( wxFileDataObject )
-
public:
+ /* default constructor. call SetText() later or override
+ WriteData() and GetSize() for working on-demand */
+ wxTextDataObject();
- /* 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;
+ /* constructor */
+ wxTextDataObject( const wxString& data );
- /* return length of list of filenames */
- virtual size_t GetSize() const;
-
- /* implementation */
+ /* 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;
+
+public:
+ /* implementation */
+ wxString m_data;
- wxString m_files;
+private:
+ DECLARE_DYNAMIC_CLASS( wxTextDataObject )
};
//----------------------------------------------------------------------------
-// wxBitmapDataObject is a specialization of wxDataObject for bitmaps
+// wxFileDataObject is a specialization of wxDataObject for file names
//----------------------------------------------------------------------------
-class wxBitmapDataObject : public wxDataObject
+class wxFileDataObject : public wxDataObject
{
- DECLARE_DYNAMIC_CLASS( wxBitmapDataObject )
-
public:
+ /* default constructor */
+ wxFileDataObject();
- /* see wxTextDataObject for explanation */
+ /* add file name to list */
+ void AddFile( const wxString &file );
- 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
+ /* 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;
- wxBitmap m_bitmap;
+ /* return length of list of filenames */
+ virtual size_t GetSize() const;
+
+public:
+ /* implementation */
+ wxString m_files;
+private:
+ DECLARE_DYNAMIC_CLASS( wxFileDataObject )
};
//----------------------------------------------------------------------------
-// wxPrivateDataObject is a specialization of wxDataObject for app specific data
+// wxBitmapDataObject is a specialization of wxDataObject for bitmaps
//----------------------------------------------------------------------------
-class wxPrivateDataObject : public wxDataObject
+class wxBitmapDataObject : public wxDataObject
{
- DECLARE_DYNAMIC_CLASS( wxPrivateDataObject )
-
public:
+ /* see wxTextDataObject for explanation */
+ wxBitmapDataObject();
+ wxBitmapDataObject( const wxBitmap& bitmap );
+ ~wxBitmapDataObject();
- /* see wxTextDataObject for explanation of functions */
-
- wxPrivateDataObject();
- ~wxPrivateDataObject();
-
- /* the string Id identifies the format of clipboard or DnD data. a word
- * processor would e.g. add a wxTextDataObject and a wxPrivateDataObject
- * to the clipboard - the latter with the Id "application/wxword", an
- * image manipulation program would put a wxBitmapDataObject and a
- * wxPrivateDataObject to the clipboard - the latter with "image/png". */
-
- void SetId( const wxString& id );
-
- /* get id */
- wxString GetId() const;
+ void SetBitmap( const wxBitmap &bitmap );
+ wxBitmap GetBitmap() const;
- /* set data. will make internal copy. */
- void SetData( const char *data, size_t size );
-
- /* returns pointer to data */
- char* GetData() const;
-
- virtual void WriteData( void *dest ) const;
- virtual size_t GetSize() const;
-
- void WriteData( const char *data, void *dest ) 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;
- // implementation
+ void SetPngData( const char *pngData, size_t pngSize );
- size_t m_size;
- char* m_data;
- wxString m_id;
+private:
+ wxBitmap m_bitmap;
+ size_t m_pngSize;
+ char *m_pngData;
+
+ void DoConvertToPng();
+
+private:
+ DECLARE_DYNAMIC_CLASS( wxBitmapDataObject );
};
-
-#endif
+#endif
//__GTKDNDH__
projects / wxWidgets.git / blobdiff