| 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 |
| 8 | // Licence: wxWindows license |
| 9 | /////////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | #ifndef _WX_GTK_DATAOBJ2_H_ |
| 12 | #define _WX_GTK_DATAOBJ2_H_ |
| 13 | |
| 14 | #ifdef __GNUG__ |
| 15 | #pragma interface "dataobj.h" |
| 16 | #endif |
| 17 | |
| 18 | // ---------------------------------------------------------------------------- |
| 19 | // wxBitmapDataObject is a specialization of wxDataObject for bitmaps |
| 20 | // ---------------------------------------------------------------------------- |
| 21 | |
| 22 | class wxBitmapDataObject : public wxBitmapDataObjectBase |
| 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 | |
| 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 | |
| 47 | size_t m_pngSize; |
| 48 | void *m_pngData; |
| 49 | |
| 50 | void DoConvertToPng(); |
| 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)); } |
| 60 | }; |
| 61 | |
| 62 | // ---------------------------------------------------------------------------- |
| 63 | // wxFileDataObject is a specialization of wxDataObject for file names |
| 64 | // ---------------------------------------------------------------------------- |
| 65 | |
| 66 | class wxFileDataObject : public wxFileDataObjectBase |
| 67 | { |
| 68 | public: |
| 69 | // implement base class pure virtuals |
| 70 | // ---------------------------------- |
| 71 | |
| 72 | void AddFile( const wxString &filename ); |
| 73 | |
| 74 | virtual size_t GetDataSize() const; |
| 75 | virtual bool GetDataHere(void *buf) const; |
| 76 | virtual bool SetData(size_t len, const void *buf); |
| 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)); } |
| 86 | }; |
| 87 | |
| 88 | #endif // _WX_GTK_DATAOBJ2_H_ |
| 89 | |