source: trunk/src/activeqt/control/qaxaggregated.h@ 651

Last change on this file since 651 was 651, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.6.2 sources.

File size: 3.1 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
6**
7** This file is part of the ActiveQt framework of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:BSD$
10** You may use this file under the terms of the BSD license as follows:
11**
12** "Redistribution and use in source and binary forms, with or without
13** modification, are permitted provided that the following conditions are
14** met:
15** * Redistributions of source code must retain the above copyright
16** notice, this list of conditions and the following disclaimer.
17** * Redistributions in binary form must reproduce the above copyright
18** notice, this list of conditions and the following disclaimer in
19** the documentation and/or other materials provided with the
20** distribution.
21** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
22** the names of its contributors may be used to endorse or promote
23** products derived from this software without specific prior written
24** permission.
25**
26** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
27** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
28** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
29** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
30** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
31** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
32** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
33** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
34** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
35** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
36** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
37** $QT_END_LICENSE$
38**
39****************************************************************************/
40
41#ifndef QAXAGGREGATED_H
42#define QAXAGGREGATED_H
43
44#include <QtCore/qobject.h>
45
46struct IUnknown;
47
48QT_BEGIN_HEADER
49
50QT_BEGIN_NAMESPACE
51
52QT_MODULE(ActiveQt)
53
54#ifndef QT_NO_WIN_ACTIVEQT
55
56struct QUuid;
57
58class QAxAggregated
59{
60 friend class QAxServerBase;
61 friend class QAxClientSite;
62public:
63 virtual long queryInterface(const QUuid &iid, void **iface) = 0;
64
65protected:
66 virtual ~QAxAggregated()
67 {}
68
69 inline IUnknown *controllingUnknown() const
70 { return controlling_unknown; }
71 inline QWidget *widget() const
72 {
73 return qobject_cast<QWidget*>(the_object);
74 }
75 inline QObject *object() const { return the_object; }
76
77private:
78 IUnknown *controlling_unknown;
79 QObject *the_object;
80};
81
82#define QAXAGG_IUNKNOWN \
83 HRESULT WINAPI QueryInterface(REFIID iid, LPVOID *iface) { \
84 return controllingUnknown()->QueryInterface(iid, iface); } \
85 ULONG WINAPI AddRef() {return controllingUnknown()->AddRef(); } \
86 ULONG WINAPI Release() {return controllingUnknown()->Release(); } \
87
88#endif // QT_NO_WIN_ACTIVEQT
89
90QT_END_NAMESPACE
91
92QT_END_HEADER
93
94#endif // QAXAGGREGATED_H
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