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