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fixed wxComboBox::Clear to clear stored value
[wxWidgets.git] / include / wx / os2 / dataobj2.h
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6dddc146 1///////////////////////////////////////////////////////////////////////////////
7c74e7fe 2// Name: mac/dataobj2.h
6dddc146 3// Purpose: declaration of standard wxDataObjectSimple-derived classes
7c74e7fe 4// Author: Stefan Csomor (adapted from Robert Roebling's gtk port
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5// Modified by:
6// Created: 10/21/99
7// RCS-ID: $Id$
8// Copyright: (c) 1998, 1999 Vadim Zeitlin, Robert Roebling
65571936 9// Licence: wxWindows licence
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10///////////////////////////////////////////////////////////////////////////////
11
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12#ifndef _WX_MAC_DATAOBJ2_H_
13#define _WX_MAC_DATAOBJ2_H_
6dddc146 14
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15// ----------------------------------------------------------------------------
16// wxBitmapDataObject is a specialization of wxDataObject for bitmaps
17// ----------------------------------------------------------------------------
18
19class wxBitmapDataObject : public wxBitmapDataObjectBase
20{
21public:
22 // ctors
23 wxBitmapDataObject();
24 wxBitmapDataObject(const wxBitmap& bitmap);
25
26 // destr
27 ~wxBitmapDataObject();
28
29 // override base class virtual to update PNG data too
30 virtual void SetBitmap(const wxBitmap& bitmap);
31
32 // implement base class pure virtuals
33 // ----------------------------------
34
35 virtual size_t GetDataSize() const { return m_pngSize; }
36 virtual bool GetDataHere(void *buf) const;
37 virtual bool SetData(size_t len, const void *buf);
38
39protected:
40 void Init() { m_pngData = (void *)NULL; m_pngSize = 0; }
41 void Clear() { free(m_pngData); }
42 void ClearAll() { Clear(); Init(); }
43
44 size_t m_pngSize;
45 void *m_pngData;
46
47 void DoConvertToPng();
48
49private:
50 // Virtual function hiding supression
51 size_t GetDataSize(const wxDataFormat& rFormat) const
52 { return(wxDataObjectSimple::GetDataSize(rFormat)); }
53 bool GetDataHere(const wxDataFormat& rFormat, void* pBuf) const
54 { return(wxDataObjectSimple::GetDataHere(rFormat, pBuf)); }
55 bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf)
56 { return(wxDataObjectSimple::SetData(rFormat, nLen, pBuf)); }
57};
58
59// ----------------------------------------------------------------------------
60// wxFileDataObject is a specialization of wxDataObject for file names
61// ----------------------------------------------------------------------------
62
63class wxFileDataObject : public wxFileDataObjectBase
64{
65public:
66 // implement base class pure virtuals
67 // ----------------------------------
68
69 void AddFile( const wxString &filename );
70
71 virtual size_t GetDataSize() const;
72 virtual bool GetDataHere(void *buf) const;
73 virtual bool SetData(size_t len, const void *buf);
74
75private:
76 // Virtual function hiding supression
77 size_t GetDataSize(const wxDataFormat& rFormat) const
78 { return(wxDataObjectSimple::GetDataSize(rFormat)); }
79 bool GetDataHere(const wxDataFormat& rFormat, void* pBuf) const
80 { return(wxDataObjectSimple::GetDataHere(rFormat, pBuf)); }
81 bool SetData(const wxDataFormat& rFormat, size_t nLen, const void* pBuf)
82 { return(wxDataObjectSimple::SetData(rFormat, nLen, pBuf)); }
83};
84
7c74e7fe 85#endif // _WX_MAC_DATAOBJ2_H_
6dddc146 86