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68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
/****************************************************************************
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** Copyright (C) 2001-2009 Klaralvdalens Datakonsult AB. All rights reserved.
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**
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** This file is part of the KD Tools library.
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**
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** Licensees holding valid commercial KD Tools licenses may use this file in
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** accordance with the KD Tools Commercial License Agreement provided with
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** the Software.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 and version 3 as published by the
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** Free Software Foundation and appearing in the file LICENSE.GPL included.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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** Contact info@kdab.net if any conditions of this licensing are not
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** clear to you.
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**
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**********************************************************************/
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#include <config-kleopatra.h>
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#include "kdsignalblocker.h"
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#include <QObject>
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/*!
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\class KDSignalBlocker
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\ingroup raii core
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\brief Exception-safe and convenient wrapper around QObject::blockSignals()
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All methods in this class are nothrow if QObject::blockSignals() and
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QObject::signalsBlocked() are nothrow, which they normally are.
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*/
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/*!
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Constructor. Blocks signals on \a o.
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\post o->signalsBlocked() == true
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*/
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KDSignalBlocker::KDSignalBlocker( QObject * o )
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: blocked( o->signalsBlocked() ), object( o )
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{
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o->blockSignals( true );
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}
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/*!
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\overload
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\post o.signalsBlocked() == true
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*/
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KDSignalBlocker::KDSignalBlocker( QObject & o )
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: blocked( o.signalsBlocked() ), object( &o )
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{
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o.blockSignals( true );
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}
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/*!
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Destructor. Unblocks signals (unless they were blocked before)
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\post o->signalsBlocked() is the same as just before this instance has been constructed.
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*/
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KDSignalBlocker::~KDSignalBlocker() {
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object->blockSignals( blocked );
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}
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