1///////////////////////////////////////////////////////////////////////////////
2// Name:        wx/gtk1/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: dataobj2.h 41020 2006-09-05 20:47:48Z VZ $
7// Copyright:   (c) 1998, 1999 Vadim Zeitlin, Robert Roebling
8// Licence:     wxWindows licence
9///////////////////////////////////////////////////////////////////////////////
10
11#ifndef _WX_GTK_DATAOBJ2_H_
12#define _WX_GTK_DATAOBJ2_H_
13
14// ----------------------------------------------------------------------------
15// wxBitmapDataObject is a specialization of wxDataObject for bitmaps
16// ----------------------------------------------------------------------------
17
18class WXDLLIMPEXP_CORE wxBitmapDataObject : public wxBitmapDataObjectBase
19{
20public:
21    // ctors
22    wxBitmapDataObject();
23    wxBitmapDataObject(const wxBitmap& bitmap);
24
25    // destr
26    virtual ~wxBitmapDataObject();
27
28    // override base class virtual to update PNG data too
29    virtual void SetBitmap(const wxBitmap& bitmap);
30
31    // implement base class pure virtuals
32    // ----------------------------------
33
34    virtual size_t GetDataSize() const { return m_pngSize; }
35    virtual bool GetDataHere(void *buf) const;
36    virtual bool SetData(size_t len, const void *buf);
37
38protected:
39    void Init() { m_pngData = (void *)NULL; m_pngSize = 0; }
40    void Clear() { free(m_pngData); }
41    void ClearAll() { Clear(); Init(); }
42
43    size_t      m_pngSize;
44    void       *m_pngData;
45
46    void DoConvertToPng();
47
48private:
49    // virtual function hiding supression
50    size_t GetDataSize(const wxDataFormat& format) const
51        { return(wxDataObjectSimple::GetDataSize(format)); }
52    bool GetDataHere(const wxDataFormat& format, void* pBuf) const
53        { return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
54    bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf)
55        { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); }
56};
57
58// ----------------------------------------------------------------------------
59// wxFileDataObject is a specialization of wxDataObject for file names
60// ----------------------------------------------------------------------------
61
62class WXDLLIMPEXP_CORE wxFileDataObject : public wxFileDataObjectBase
63{
64public:
65    // implement base class pure virtuals
66    // ----------------------------------
67
68    void AddFile( const wxString &filename );
69
70    virtual size_t GetDataSize() const;
71    virtual bool GetDataHere(void *buf) const;
72    virtual bool SetData(size_t len, const void *buf);
73
74private:
75    // virtual function hiding supression
76    size_t GetDataSize(const wxDataFormat& format) const
77        { return(wxDataObjectSimple::GetDataSize(format)); }
78    bool GetDataHere(const wxDataFormat& format, void* pBuf) const
79        { return(wxDataObjectSimple::GetDataHere(format, pBuf)); }
80    bool SetData(const wxDataFormat& format, size_t nLen, const void* pBuf)
81        { return(wxDataObjectSimple::SetData(format, nLen, pBuf)); }
82};
83
84#endif // _WX_GTK_DATAOBJ2_H_
85
86