/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtGui module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include <qwidget.h>+
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+
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#include "qeventdispatcher_s60_p.h"+
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+
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QT_BEGIN_NAMESPACE+
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+
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QEventDispatcherS60::QEventDispatcherS60(QObject *parent)+
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    : QEventDispatcherSymbian(parent),+
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      m_noInputEvents(false)+
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{+
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}+
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+
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QEventDispatcherS60::~QEventDispatcherS60()+
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{+
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    for (int c = 0; c < m_deferredInputEvents.size(); ++c) {+
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        delete m_deferredInputEvents[c].event;+
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    }+
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}+
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+
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bool QEventDispatcherS60::processEvents ( QEventLoop::ProcessEventsFlags flags )+
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{+
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    bool ret = false;+
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+
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    QT_TRY {+
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        bool oldNoInputEventsValue = m_noInputEvents;+
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        if (flags & QEventLoop::ExcludeUserInputEvents) {+
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            m_noInputEvents = true;+
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        } else {+
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            m_noInputEvents = false;+
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            ret = sendDeferredInputEvents() || ret;+
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        }+
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+
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        ret = QEventDispatcherSymbian::processEvents(flags) || ret;+
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+
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        m_noInputEvents = oldNoInputEventsValue;+
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    } QT_CATCH (const std::exception& ex) {+
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#ifndef QT_NO_EXCEPTIONS+
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        CActiveScheduler::Current()->Error(qt_symbian_exception2Error(ex));+
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#endif+
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    }+
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+
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    return ret;+
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}+
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+
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bool QEventDispatcherS60::hasPendingEvents()+
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{+
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    return !m_deferredInputEvents.isEmpty() || QEventDispatcherSymbian::hasPendingEvents();+
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}+
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+
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void QEventDispatcherS60::saveInputEvent(QSymbianControl *control, QWidget *widget, QInputEvent *event)+
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{+
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    DeferredInputEvent inputEvent = {control, widget, event};+
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    m_deferredInputEvents.append(inputEvent);+
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    connect(widget, SIGNAL(destroyed(QObject*)), SLOT(removeInputEventsForWidget(QObject*)));+
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}+
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+
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bool QEventDispatcherS60::sendDeferredInputEvents()+
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{+
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    bool eventsSent = false;+
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    while (!m_deferredInputEvents.isEmpty()) {+
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        DeferredInputEvent inputEvent = m_deferredInputEvents.takeFirst();+
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#ifndef QT_NO_EXCEPTIONS+
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        try {+
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#endif+
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            inputEvent.control->sendInputEvent(inputEvent.widget, inputEvent.event);+
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#ifndef QT_NO_EXCEPTIONS+
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        } catch (...) {+
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            delete inputEvent.event;+
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            throw;+
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        }+
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#endif+
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        delete inputEvent.event;+
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        eventsSent = true;+
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    }+
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+
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    return eventsSent;+
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}+
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+
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void QEventDispatcherS60::removeInputEventsForWidget(QObject *object)+
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{+
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    for (int c = 0; c < m_deferredInputEvents.size(); ++c) {+
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        if (m_deferredInputEvents[c].widget == object) {+
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            delete m_deferredInputEvents[c].event;+
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            m_deferredInputEvents.removeAt(c--);+
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        }+
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    }+
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}+
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+
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QT_END_NAMESPACE+
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