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path: root/src/plugins/find/ifindsupport.cpp
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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 Qt Creator.
**
** 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.
**
****************************************************************************/

#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::replace(const QString &before, const QString &after, FindFlags findFlags)
{
    Q_UNUSED(before)
    Q_UNUSED(after)
    Q_UNUSED(findFlags)
}

bool IFindSupport::replaceStep(const QString &before, const QString &after, FindFlags findFlags)
{
    Q_UNUSED(before)
    Q_UNUSED(after)
    Q_UNUSED(findFlags)
    return false;
}

int IFindSupport::replaceAll(const QString &before, const QString &after, FindFlags findFlags)
{
    Q_UNUSED(before)
    Q_UNUSED(after)
    Q_UNUSED(findFlags)
    return 0;
}

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

#include "ifindsupport.moc"