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/****************************************************************************
**
** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtPDF module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "zoomselector.h"
#include <QLineEdit>
ZoomSelector::ZoomSelector(QWidget *parent)
: QComboBox(parent)
{
setEditable(true);
addItem(QLatin1String("Fit Width"));
addItem(QLatin1String("Fit Page"));
addItem(QLatin1String("12%"));
addItem(QLatin1String("25%"));
addItem(QLatin1String("33%"));
addItem(QLatin1String("50%"));
addItem(QLatin1String("66%"));
addItem(QLatin1String("75%"));
addItem(QLatin1String("100%"));
addItem(QLatin1String("125%"));
addItem(QLatin1String("150%"));
addItem(QLatin1String("200%"));
addItem(QLatin1String("400%"));
connect(this, static_cast<void(QComboBox::*)(const QString &)>(&QComboBox::currentIndexChanged),
this, &ZoomSelector::onCurrentTextChanged);
connect(lineEdit(), &QLineEdit::editingFinished,
this, [this](){onCurrentTextChanged(lineEdit()->text()); });
}
void ZoomSelector::setZoomFactor(qreal zoomFactor)
{
setCurrentText(QString::number(qRound(zoomFactor * 100)) + QLatin1String("%"));
}
void ZoomSelector::reset()
{
setCurrentIndex(8); // 100%
}
void ZoomSelector::onCurrentTextChanged(const QString &text)
{
if (text == QLatin1String("Fit Width")) {
emit zoomModeChanged(QPdfView::FitToWidth);
} else if (text == QLatin1String("Fit Page")) {
emit zoomModeChanged(QPdfView::FitInView);
} else {
qreal factor = 1.0;
QString withoutPercent(text);
withoutPercent.remove(QLatin1Char('%'));
bool ok = false;
const int zoomLevel = withoutPercent.toInt(&ok);
if (ok)
factor = zoomLevel / 100.0;
emit zoomModeChanged(QPdfView::CustomZoom);
emit zoomFactorChanged(factor);
}
}
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