| | 1 | /////////////////////////////////////////////////////////////////////////////// |
| | 2 | // Name: dataobj.h |
| | 3 | // Purpose: common data object classes |
| | 4 | // Author: Robert Roebling, Vadim Zeitlin |
| | 5 | // Modified by: |
| | 6 | // Created: 26.05.99 |
| | 7 | // RCS-ID: $Id$ |
| | 8 | // Copyright: (c) wxWindows Team |
| | 9 | // Licence: wxWindows license |
| | 10 | /////////////////////////////////////////////////////////////////////////////// |
| | 11 | |
| | 12 | #ifndef _WX_DATAOBJ_H_BASE_ |
| | 13 | #define _WX_DATAOBJ_H_BASE_ |
| | 14 | |
| | 15 | #if defined(__WXMSW__) |
| | 16 | #include "wx/msw/ole/dataobj.h" |
| | 17 | #elif defined(__WXMOTIF__) |
| | 18 | #include "wx/motif/dataobj.h" |
| | 19 | #elif defined(__WXGTK__) |
| | 20 | #include "wx/gtk/dataobj.h" |
| | 21 | #elif defined(__WXQT__) |
| | 22 | #include "wx/qt/dnd.h" |
| | 23 | #elif defined(__WXMAC__) |
| | 24 | #include "wx/mac/dnd.h" |
| | 25 | #elif defined(__WXSTUBS__) |
| | 26 | #include "wx/stubs/dnd.h" |
| | 27 | #endif |
| | 28 | |
| | 29 | // --------------------------------------------------------------------------- |
| | 30 | // wxPrivateDataObject is a specialization of wxDataObject for app specific |
| | 31 | // data (of some given kind, derive directly from wxDataObject if you wish to |
| | 32 | // efficiently support multiple formats) |
| | 33 | // --------------------------------------------------------------------------- |
| | 34 | |
| | 35 | class WXDLLEXPORT wxPrivateDataObject : public wxDataObject |
| | 36 | { |
| | 37 | #if defined(__WXGTK__) || defined(__WXMOTIF__) |
| | 38 | DECLARE_DYNAMIC_CLASS( wxPrivateDataObject ) |
| | 39 | #endif |
| | 40 | |
| | 41 | public: |
| | 42 | wxPrivateDataObject(); |
| | 43 | virtual ~wxPrivateDataObject() { Free(); } |
| | 44 | |
| | 45 | // get the format object - it is used to decide whether we support the |
| | 46 | // given output format or not |
| | 47 | wxDataFormat& GetFormat() { return m_format; } |
| | 48 | |
| | 49 | // set data. will make copy of the data |
| | 50 | void SetData( const void *data, size_t size ); |
| | 51 | |
| | 52 | // returns pointer to data |
| | 53 | void *GetData() const { return m_data; } |
| | 54 | |
| | 55 | // get the size of the data |
| | 56 | virtual size_t GetSize() const; |
| | 57 | |
| | 58 | // copy data to the given buffer |
| | 59 | virtual void WriteData( void *dest ) const; |
| | 60 | |
| | 61 | // these functions are provided for wxGTK compatibility, their usage is |
| | 62 | // deprecated - use GetFormat().SetId() instead |
| | 63 | void SetId( const wxString& id ) { m_format.SetId(id); } |
| | 64 | wxString GetId() const { return m_format.GetId(); } |
| | 65 | |
| | 66 | // implement the base class pure virtuals |
| | 67 | virtual wxDataFormat GetPreferredFormat() const |
| | 68 | { return m_format; } |
| | 69 | virtual bool IsSupportedFormat(wxDataFormat format) const |
| | 70 | { return m_format == format; } |
| | 71 | virtual size_t GetDataSize() const |
| | 72 | { return m_size; } |
| | 73 | virtual void GetDataHere(void *dest) const |
| | 74 | { WriteData(dest); } |
| | 75 | |
| | 76 | // the function which really copies the data - called by WriteData() above |
| | 77 | // and uses GetSize() to get the size of the data |
| | 78 | void WriteData( const void *data, void *dest ) const; |
| | 79 | |
| | 80 | private: |
| | 81 | // free the data |
| | 82 | void Free(); |
| | 83 | |
| | 84 | // the data |
| | 85 | size_t m_size; |
| | 86 | void *m_data; |
| | 87 | |
| | 88 | // the data format |
| | 89 | wxDataFormat m_format; |
| | 90 | }; |
| | 91 | |
| | 92 | |
| | 93 | #endif |
| | 94 | // _WX_DATAOBJ_H_BASE_ |
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