/****************************************************************************+
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**+
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (developer.feedback@nokia.com)+
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**+
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** This file is part of the HbCore module of the UI Extensions for Mobile.+
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**+
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** GNU Lesser General Public License Usage+
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** This file may be used under the terms of the GNU Lesser General Public+
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** License version 2.1 as published by the Free Software Foundation and+
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** appearing in the file LICENSE.LGPL included in the packaging of this file.+
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** Please review the following information to ensure the GNU Lesser General+
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** Public License version 2.1 requirements will be met:+
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** 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 developer.feedback@nokia.com.+
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**+
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****************************************************************************/+
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#include "hbshrinkingvkbhost.h"+
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#include "hbabstractvkbhost_p.h"+
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+
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#include <hbinputvirtualkeyboard.h>+
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#include <hbinputmethod.h>+
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+
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#include "hbwidget.h"+
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#include "hbmainwindow.h"+
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#include "hbmainwindow_p.h"+
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+
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/*!+
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\proto+
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\class HbShrinkingVkbHost+
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\brief A virtual keyboard host that doesn't move the active mainwindow view but shrinks it.+
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+
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The default virtual keyboard host moves the editor container widget in order to keep the+
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cursor line visible. In some situations that doesn't work and the container should be shrunk+
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and relayouted instead.+
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+
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This virtual keyboard host does that. It works with editors that live inside in main window's+
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active view and shrinks the view instead of moving it around when the virtual keyboard comes up.+
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*/+
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+
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/// @cond+
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+
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class HbShrinkingVkbHostPrivate : public HbAbstractVkbHostPrivate+
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{+
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    Q_DECLARE_PUBLIC(HbShrinkingVkbHost)+
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+
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public:+
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    HbShrinkingVkbHostPrivate(HbAbstractVkbHost *myHost, HbWidget *widget);+
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    bool prepareContainerAnimation(HbVkbHost::HbVkbStatus status);+
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    void closeKeypad();+
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    void closeKeypadWithoutAnimation();+
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    void openKeypadWithoutAnimation();+
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    void minimizeKeypadWithoutAnimation();+
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+
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    void shrinkView();+
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    void resetViewSize();+
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+
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public:+
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    QSizeF mContainerOriginalSize;+
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};+
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+
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HbShrinkingVkbHostPrivate::HbShrinkingVkbHostPrivate(HbAbstractVkbHost *myHost, HbWidget *widget)+
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    : HbAbstractVkbHostPrivate(myHost, widget)+
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{+
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}+
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+
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bool HbShrinkingVkbHostPrivate::prepareContainerAnimation(HbVkbHost::HbVkbStatus status)+
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{+
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    Q_UNUSED(status);+
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+
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    // This host doesn't move the container, only the keypad.+
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    return false;+
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}+
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+
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void HbShrinkingVkbHostPrivate::closeKeypad()+
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{+
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    resetViewSize();+
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    HbAbstractVkbHostPrivate::closeKeypad();+
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}+
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+
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void HbShrinkingVkbHostPrivate::closeKeypadWithoutAnimation()+
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{+
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    resetViewSize();+
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    HbAbstractVkbHostPrivate::closeKeypadWithoutAnimation();+
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}+
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+
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void HbShrinkingVkbHostPrivate::openKeypadWithoutAnimation()+
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{+
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    HbAbstractVkbHostPrivate::openKeypadWithoutAnimation();+
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    shrinkView();+
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}+
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+
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void HbShrinkingVkbHostPrivate::minimizeKeypadWithoutAnimation()+
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{+
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    HbAbstractVkbHostPrivate::minimizeKeypadWithoutAnimation();+
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    shrinkView();+
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}+
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+
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void HbShrinkingVkbHostPrivate::resetViewSize()+
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{+
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    HbMainWindow *mainWin = mainWindow();+
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    if (mainWin && mContainerOriginalSize.isValid()) {+
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        HbMainWindowPrivate::d_ptr(mainWin)->setViewportSize(mContainerOriginalSize);+
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        mContainerOriginalSize = QSizeF();+
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    }+
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}+
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+
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void HbShrinkingVkbHostPrivate::shrinkView()+
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{+
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    Q_Q(HbShrinkingVkbHost);+
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+
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    HbMainWindow *mainWin = mainWindow();+
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    if (mainWin) {+
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        if (!mContainerOriginalSize.isValid()) {+
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            mContainerOriginalSize = HbMainWindowPrivate::d_ptr(mainWin)->viewPortSize();+
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        }+
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        HbMainWindowPrivate::d_ptr(mainWin)->setViewportSize(q->applicationArea().size());+
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    }+
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}+
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+
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/// @endcond+
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+
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/*!+
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Constructs the object.+
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*/+
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HbShrinkingVkbHost::HbShrinkingVkbHost(HbWidget *widget) : HbAbstractVkbHost(new HbShrinkingVkbHostPrivate(this, widget))+
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{+
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    setParent(widget);+
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}+
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+
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/*!+
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Destructs the object.+
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*/+
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HbShrinkingVkbHost::~HbShrinkingVkbHost()+
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{+
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}+
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+
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/*!+
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\reimp+
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*/+
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int HbShrinkingVkbHost::priority() const+
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{+
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    return 0;+
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}+
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+
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/*!+
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\reimp+
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*/+
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void HbShrinkingVkbHost::animationFinished()+
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{+
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    Q_D(HbShrinkingVkbHost);+
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+
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+
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    HbAbstractVkbHost::animationFinished();+
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+
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    if (d->mKeypadStatus == HbVkbHost::HbVkbStatusOpened ||+
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        d->mKeypadStatus == HbVkbHost::HbVkbStatusMinimized) {+
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        d->shrinkView();+
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    }+
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}+
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+
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// End of file+
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+
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