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/****************************************************************************
**
** 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 Qt Autotester project.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 "clearablelineedit.h"

#include <QPushButton>
#include <QHBoxLayout>

ClearableLineEdit::ClearableLineEdit(QWidget *parent) :
    QLineEdit(parent)
{
    clearButton = new QPushButton(this);
    clearButton->setCursor(Qt::ArrowCursor);
    clearButton->setIcon(QIcon::fromTheme("edit-clear", QIcon(":/images/edit-clear.png")));
    clearButton->setStyleSheet("background-color: transparent; border: 0");
    QHBoxLayout *clearLayout = new QHBoxLayout(this);
    clearLayout->setAlignment(Qt::AlignRight);
    setLayout(clearLayout);
    clearLayout->addWidget(clearButton);
    clearButton->setVisible(false);

    connect(this, SIGNAL(textChanged(QString)), this, SLOT(on_textChanged(QString)));
    connect(clearButton, SIGNAL(clicked()), this, SLOT(on_clearClicked()));
}

void ClearableLineEdit::on_textChanged(const QString &text)
{
    clearButton->setVisible(!text.isEmpty());
}

void ClearableLineEdit::on_clearClicked()
{
    clear();
}