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 )
-
+ DECLARE_CLASS( wxDataFormat )
+
public:
-
- wxDataFormat();
- wxDataFormat( wxDataType type );
- wxDataFormat( const wxString &id );
- wxDataFormat( wxDataFormat &format );
- wxDataFormat( const GdkAtom atom );
-
- void SetType( wxDataType type );
- wxDataType GetType() const;
-
- wxString GetId() const;
- void SetId( const wxString &id );
-
- GdkAtom GetAtom();
-
-private:
+ 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 );
- wxDataType m_type;
- wxString m_id;
- bool m_hasAtom;
- GdkAtom m_atom;
+ 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;
};
//-------------------------------------------------------------------------
-// wxDataBroker handles data and ormat negotiation for clipboard and DnD
+// wxDataBroker (internal)
//-------------------------------------------------------------------------
class wxDataBroker : public wxObject
/* constructor */
wxDataBroker();
-
+
/* add data object */
void Add( wxDataObject *dataObject, bool preferred = FALSE );
-
-private:
-
+
+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 */
+
+ /* return nth supported format */
virtual wxDataFormat &GetNthFormat( size_t nth ) const;
-
- /* return preferrd/best supported format */
- virtual wxDataFormat &GetPreferredFormat() 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;
-
+
/* implementation */
public:
-
+
wxList m_dataObjects;
size_t m_preferred;
};
class wxDataObject : public wxObject
{
DECLARE_DYNAMIC_CLASS( wxDataObject )
-
+
public:
/* constructor */
wxDataObject();
-
+
/* destructor */
~wxDataObject();
-
- /* write data to dest */
+
+ /* write data to dest */
virtual void WriteData( void *dest ) const = 0;
-
- /* get size of data */
+
+ /* get size of data */
virtual size_t GetSize() const = 0;
-
+
/* implementation */
-
+
wxDataFormat &GetFormat();
-
- wxDataType GetFormatType() const;
+
+ wxDataFormatId GetFormatType() const;
wxString GetFormatId() const;
GdkAtom GetFormatAtom() const;
-
+
wxDataFormat m_format;
};
/* 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 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;
/* 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 */
+ /* return length of list of filenames */
virtual size_t GetSize() const;
-
+
/* implementation */
wxString m_files;
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;
-
-};
-
-//----------------------------------------------------------------------------
-// wxPrivateDataObject is a specialization of wxDataObject for app specific data
-//----------------------------------------------------------------------------
-
-class wxPrivateDataObject : public wxDataObject
-{
- DECLARE_DYNAMIC_CLASS( wxPrivateDataObject )
-public:
-
- /* 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;
-
- /* 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;
-
- // implementation
-
- size_t m_size;
- char* m_data;
- wxString m_id;
};
-
-#endif
+#endif
//__GTKDNDH__
projects / wxWidgets.git / blobdiff