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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "splashitem.h"

#include <QtGui/QtGui>

SplashItem::SplashItem(QGraphicsItem *parent)
    : QGraphicsWidget(parent)
{
    opacity = 1.0;

    
    timeLine = new QTimeLine(350);
    timeLine->setCurveShape(QTimeLine::EaseInCurve);
    connect(timeLine, SIGNAL(valueChanged(qreal)), this, SLOT(setValue(qreal)));

    text = tr("Welcome to the Pad Navigator Example. You can use the"
              " keyboard arrows to navigate the icons, and press enter"
              " to activate an item. Please press any key to continue.");
    resize(400, 175);
}

void SplashItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
{
    painter->setOpacity(opacity);
    painter->setPen(QPen(Qt::black, 2));
    painter->setBrush(QColor(245, 245, 255, 220));
    painter->setClipRect(rect());
    painter->drawRoundRect(3, -100 + 3, 400 - 6, 250 - 6);

    QRectF textRect = rect().adjusted(10, 10, -10, -10);
    int flags = Qt::AlignTop | Qt::AlignLeft | Qt::TextWordWrap;

    QFont font;
    font.setPixelSize(18);
    painter->setPen(Qt::black);
    painter->setFont(font);
    painter->drawText(textRect, flags, text);
}

void SplashItem::keyPressEvent(QKeyEvent * /* event */)
{
    if (timeLine->state() == QTimeLine::NotRunning)
        timeLine->start();
}

void SplashItem::setValue(qreal value)
{
    opacity = 1 - value;
    setPos(x(), scene()->sceneRect().top() - rect().height() * value);
    if (value == 1)
        hide();
}