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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 | |
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 | ||
18 | class WXDLLIMPEXP_CORE wxBitmapDataObject : public wxBitmapDataObjectBase | |
19 | { | |
20 | public: | |
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 | // Must provide overloads to avoid hiding them (and warnings about it) | |
38 | virtual size_t GetDataSize(const wxDataFormat&) const | |
39 | { | |
40 | return GetDataSize(); | |
41 | } | |
42 | virtual bool GetDataHere(const wxDataFormat&, void *buf) const | |
43 | { | |
44 | return GetDataHere(buf); | |
45 | } | |
46 | virtual bool SetData(const wxDataFormat&, size_t len, const void *buf) | |
47 | { | |
48 | return SetData(len, buf); | |
49 | } | |
50 | ||
51 | protected: | |
52 | void Init() { m_pngData = NULL; m_pngSize = 0; } | |
53 | void Clear() { free(m_pngData); } | |
54 | void ClearAll() { Clear(); Init(); } | |
55 | ||
56 | size_t m_pngSize; | |
57 | void *m_pngData; | |
58 | ||
59 | void DoConvertToPng(); | |
60 | }; | |
61 | ||
62 | // ---------------------------------------------------------------------------- | |
63 | // wxFileDataObject is a specialization of wxDataObject for file names | |
64 | // ---------------------------------------------------------------------------- | |
65 | ||
66 | class WXDLLIMPEXP_CORE 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 | // Must provide overloads to avoid hiding them (and warnings about it) | |
78 | virtual size_t GetDataSize(const wxDataFormat&) const | |
79 | { | |
80 | return GetDataSize(); | |
81 | } | |
82 | virtual bool GetDataHere(const wxDataFormat&, void *buf) const | |
83 | { | |
84 | return GetDataHere(buf); | |
85 | } | |
86 | virtual bool SetData(const wxDataFormat&, size_t len, const void *buf) | |
87 | { | |
88 | return SetData(len, buf); | |
89 | } | |
90 | }; | |
91 | ||
92 | // ---------------------------------------------------------------------------- | |
93 | // wxURLDataObject is a specialization of wxDataObject for URLs | |
94 | // ---------------------------------------------------------------------------- | |
95 | ||
96 | class WXDLLIMPEXP_CORE wxURLDataObject : public wxDataObjectSimple | |
97 | { | |
98 | public: | |
99 | wxURLDataObject(const wxString& url = wxEmptyString); | |
100 | ||
101 | wxString GetURL() const { return m_url; } | |
102 | void SetURL(const wxString& url) { m_url = url; } | |
103 | ||
104 | virtual size_t GetDataSize() const; | |
105 | virtual bool GetDataHere(void *buf) const; | |
106 | virtual bool SetData(size_t len, const void *buf); | |
107 | ||
108 | // Must provide overloads to avoid hiding them (and warnings about it) | |
109 | virtual size_t GetDataSize(const wxDataFormat&) const | |
110 | { | |
111 | return GetDataSize(); | |
112 | } | |
113 | virtual bool GetDataHere(const wxDataFormat&, void *buf) const | |
114 | { | |
115 | return GetDataHere(buf); | |
116 | } | |
117 | virtual bool SetData(const wxDataFormat&, size_t len, const void *buf) | |
118 | { | |
119 | return SetData(len, buf); | |
120 | } | |
121 | ||
122 | private: | |
123 | wxString m_url; | |
124 | }; | |
125 | ||
126 | ||
127 | #endif // _WX_GTK_DATAOBJ2_H_ | |
128 |