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test whether pointer is non-NULL before using it, not after, in wxAnimation::Load...
[wxWidgets.git] / include / wx / mgl / clipbrd.h
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1/////////////////////////////////////////////////////////////////////////////
2// Name: clipboard.h
3// Purpose:
4// Author: Vaclav Slavik
5// Id: $Id$
52750c2e 6// Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com)
65571936 7// Licence: wxWindows licence
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8/////////////////////////////////////////////////////////////////////////////
9
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10#ifndef __WX_CLIPBOARD_H__
11#define __WX_CLIPBOARD_H__
12
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13#if wxUSE_CLIPBOARD
14
15#include "wx/object.h"
16#include "wx/list.h"
17#include "wx/dataobj.h"
18#include "wx/control.h"
19#include "wx/module.h"
20
21// ----------------------------------------------------------------------------
22// wxClipboard
23// ----------------------------------------------------------------------------
24
25class WXDLLEXPORT wxClipboard : public wxClipboardBase
26{
27public:
28 wxClipboard() {}
d3c7fc99 29 virtual ~wxClipboard() {}
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30
31 // open the clipboard before SetData() and GetData()
32 virtual bool Open() {}
33
34 // close the clipboard after SetData() and GetData()
35 virtual void Close() {}
36
37 // query whether the clipboard is opened
38 virtual bool IsOpened() const {}
39
40 // set the clipboard data. all other formats will be deleted.
41 virtual bool SetData( wxDataObject *data ) {}
42
43 // add to the clipboard data.
44 virtual bool AddData( wxDataObject *data ) {}
45
46 // ask if data in correct format is available
47 virtual bool IsSupported( const wxDataFormat& format ) {}
48
49 // fill data with data on the clipboard (if available)
50 virtual bool GetData( wxDataObject& data ) {}
51
52 // clears wxTheClipboard and the system's clipboard if possible
53 virtual void Clear() {}
54
55 // If primary == TRUE, use primary selection in all further ops,
56 // primary == FALSE resets it.
57 virtual void UsePrimarySelection(bool primary = TRUE)
58 { m_usePrimary = primary; }
59
60 // implementation from now on
61 bool m_open;
62 bool m_ownsClipboard;
63 bool m_ownsPrimarySelection;
64 wxDataObject *m_data;
65
66 GtkWidget *m_clipboardWidget; /* for getting and offering data */
67 GtkWidget *m_targetsWidget; /* for getting list of supported formats */
68 bool m_waiting; /* querying data or formats is asynchronous */
69
70 bool m_formatSupported;
71 GdkAtom m_targetRequested;
72 bool m_usePrimary;
73 wxDataObject *m_receivedData;
74
75private:
76 DECLARE_DYNAMIC_CLASS(wxClipboard)
77};
78
79#endif
80 // wxUSE_CLIPBOARD
81
82#endif
83 // __WX_CLIPBOARD_H__