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83 lines
2.9 KiB
C++
83 lines
2.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the ActiveQt framework of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QAXAGGREGATED_H
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#define QAXAGGREGATED_H
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#include <QtCore/qobject.h>
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struct IUnknown;
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QT_BEGIN_NAMESPACE
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class QWidget;
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class QUuid;
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class QAxAggregated
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{
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friend class QAxServerBase;
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friend class QAxClientSite;
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public:
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virtual long queryInterface(const QUuid &iid, void **iface) = 0;
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protected:
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virtual ~QAxAggregated()
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{}
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inline IUnknown *controllingUnknown() const
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{ return controlling_unknown; }
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QWidget *widget() const;
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inline QObject *object() const { return the_object; }
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private:
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IUnknown *controlling_unknown;
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QObject *the_object;
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};
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#define QAXAGG_IUNKNOWN \
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HRESULT WINAPI QueryInterface(REFIID iid, LPVOID *iface) Q_DECL_OVERRIDE \
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{ return controllingUnknown()->QueryInterface(iid, iface); } \
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ULONG WINAPI AddRef() Q_DECL_OVERRIDE { return controllingUnknown()->AddRef(); } \
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ULONG WINAPI Release() Q_DECL_OVERRIDE { return controllingUnknown()->Release(); } \
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QT_END_NAMESPACE
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#endif // QAXAGGREGATED_H
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