/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QtCore>

#include "myinputpanelcontext.h"

//! [0]

MyInputPanelContext::MyInputPanelContext()
{
    inputPanel = new MyInputPanel;
    connect(inputPanel, SIGNAL(characterGenerated(QChar)), SLOT(sendCharacter(QChar)));
}

//! [0]

MyInputPanelContext::~MyInputPanelContext()
{
    delete inputPanel;
}

//! [1]

bool MyInputPanelContext::filterEvent(const QEvent* event)
{
    if (event->type() == QEvent::RequestSoftwareInputPanel) {
        updatePosition();
        inputPanel->show();
        return true;
    } else if (event->type() == QEvent::CloseSoftwareInputPanel) {
        inputPanel->hide();
        return true;
    }
    return false;
}

//! [1]

QString MyInputPanelContext::identifierName()
{
    return "MyInputPanelContext";
}

void MyInputPanelContext::reset()
{
}

bool MyInputPanelContext::isComposing() const
{
    return false;
}

QString MyInputPanelContext::language()
{
    return "en_US";
}

//! [2]

void MyInputPanelContext::sendCharacter(QChar character)
{
    QPointer<QWidget> w = focusWidget();

    if (!w)
        return;

    QKeyEvent keyPress(QEvent::KeyPress, character.unicode(), Qt::NoModifier, QString(character));
    QApplication::sendEvent(w, &keyPress);

    if (!w)
        return;

    QKeyEvent keyRelease(QEvent::KeyPress, character.unicode(), Qt::NoModifier, QString());
    QApplication::sendEvent(w, &keyRelease);
}

//! [2]

//! [3]

void MyInputPanelContext::updatePosition()
{
    QWidget *widget = focusWidget();
    if (!widget)
        return;

    QRect widgetRect = widget->rect();
    QPoint panelPos = QPoint(widgetRect.left(), widgetRect.bottom() + 2);
    panelPos = widget->mapToGlobal(panelPos);
    inputPanel->move(panelPos);
}

//! [3]
