projects / wxWidgets.git / blame
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1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: gtk/dataobj2.h | |
| 3 | // Purpose: declaration of standard wxDataObjectSimple-derived classes | |
| 4 | // Author: Robert Roebling | |
| 5 | // Created: 19.10.99 (extracted from gtk/dataobj.h) | |
| 6 | // RCS-ID: $Id$ | |
| 7 | // Copyright: (c) 1998, 1999 Vadim Zeitlin, Robert Roebling | |
| 65571936 | 8 | // Licence: wxWindows licence |
| 3f364be8 VZ |
9 | /////////////////////////////////////////////////////////////////////////////// |
| 10 | ||
| 11 | #ifndef _WX_GTK_DATAOBJ2_H_ | |
| 12 | #define _WX_GTK_DATAOBJ2_H_ | |
| 13 | ||
| 12028905 | 14 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) |
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15 | #pragma interface "dataobj.h" |
| 16 | #endif | |
| 17 | ||
| 18 | // ---------------------------------------------------------------------------- | |
| 19 | // wxBitmapDataObject is a specialization of wxDataObject for bitmaps | |
| 20 | // ---------------------------------------------------------------------------- | |
| 21 | ||
| 20123d49 | 22 | class WXDLLIMPEXP_CORE wxBitmapDataObject : public wxBitmapDataObjectBase |
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23 | { |
| 24 | public: | |
| 25 | // ctors | |
| 26 | wxBitmapDataObject(); | |
| 27 | wxBitmapDataObject(const wxBitmap& bitmap); | |
| 28 | ||
| 29 | // destr | |
| 30 | ~wxBitmapDataObject(); | |
| 31 | ||
| 32 | // override base class virtual to update PNG data too | |
| 33 | virtual void SetBitmap(const wxBitmap& bitmap); | |
| 34 | ||
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35 | // implement base class pure virtuals |
| 36 | // ---------------------------------- | |
| 37 | ||
| 38 | virtual size_t GetDataSize() const { return m_pngSize; } | |
| 39 | virtual bool GetDataHere(void *buf) const; | |
| 40 | virtual bool SetData(size_t len, const void *buf); | |
| 41 | ||
| 42 | protected: | |
| 43 | void Init() { m_pngData = (void *)NULL; m_pngSize = 0; } | |
| 44 | void Clear() { free(m_pngData); } | |
| 45 | void ClearAll() { Clear(); Init(); } | |
| 46 | ||
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47 | size_t m_pngSize; |
| 48 | void *m_pngData; | |
| 49 | ||
| 50 | void DoConvertToPng(); | |
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51 | |
| 52 | private: | |
| 53 | // virtual function hiding supression | |
| 54 | size_t GetDataSize(const wxDataFormat& format) const | |
| 55 | { return(wxDataObjectSimple::GetDataSize(format)); } | |
| 56 | bool GetDataHere(const wxDataFormat& format, void* pBuf) const | |
| 57 | { return(wxDataObjectSimple::GetDataHere(format, pBuf)); } | |
| 58 | bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf) | |
| 59 | { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); } | |
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60 | }; |
| 61 | ||
| 62 | // ---------------------------------------------------------------------------- | |
| 63 | // wxFileDataObject is a specialization of wxDataObject for file names | |
| 64 | // ---------------------------------------------------------------------------- | |
| 65 | ||
| 20123d49 | 66 | class WXDLLIMPEXP_CORE wxFileDataObject : public wxFileDataObjectBase |
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67 | { |
| 68 | public: | |
| 69 | // implement base class pure virtuals | |
| 70 | // ---------------------------------- | |
| 71 | ||
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72 | void AddFile( const wxString &filename ); |
| 73 | ||
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74 | virtual size_t GetDataSize() const; |
| 75 | virtual bool GetDataHere(void *buf) const; | |
| 76 | virtual bool SetData(size_t len, const void *buf); | |
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77 | |
| 78 | private: | |
| 79 | // virtual function hiding supression | |
| 80 | size_t GetDataSize(const wxDataFormat& format) const | |
| 81 | { return(wxDataObjectSimple::GetDataSize(format)); } | |
| 82 | bool GetDataHere(const wxDataFormat& format, void* pBuf) const | |
| 83 | { return(wxDataObjectSimple::GetDataHere(format, pBuf)); } | |
| 84 | bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf) | |
| 85 | { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); } | |
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86 | }; |
| 87 | ||
| 88 | #endif // _WX_GTK_DATAOBJ2_H_ | |
| 89 |