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** This file is part of Qt Creator
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** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** GNU Lesser General Public License Usage
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#include "ifindsupport.h"

#include <QTimer>
#include <QPropertyAnimation>
#include <QWidget>
#include <QPaintEvent>
#include <QPainter>

namespace Find {
namespace Internal {

class WrapIndicator : public QWidget
{
    Q_OBJECT
    Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity USER true)

public:
    WrapIndicator(QWidget *parent = 0)
        : QWidget(parent),
          m_opacity(1.0)
    {
        if (parent)
            setGeometry(QRect(parent->rect().center() - QPoint(25, 25),
                              parent->rect().center() + QPoint(25, 25)));
    }

    qreal opacity() const { return m_opacity; }
    void setOpacity(qreal value) { m_opacity = value; update(); }

    void run()
    {
        show();
        QTimer::singleShot(300, this, SLOT(runInternal()));
    }

protected:
    void paintEvent(QPaintEvent *)
    {
        static QPixmap foreground(QLatin1String(":/find/images/wrapindicator.png"));
        QPainter p(this);
        p.setOpacity(m_opacity);
        p.drawPixmap(rect(), foreground);
    }

private slots:
    void runInternal()
    {
        QPropertyAnimation *anim = new QPropertyAnimation(this, "opacity", this);
        anim->setDuration(200);
        anim->setEndValue(0.);
        connect(anim, SIGNAL(finished()), this, SLOT(deleteLater()));
        anim->start(QAbstractAnimation::DeleteWhenStopped);
    }

private:
    qreal m_opacity;
};

} // Internal
} // Find

using namespace Find;

void IFindSupport::showWrapIndicator(QWidget *parent)
{
    (new Internal::WrapIndicator(parent))->run();
}

#include "ifindsupport.moc"
