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// Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#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, &QComboBox::currentTextChanged,
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::ZoomMode::FitToWidth);
} else if (text == QLatin1String("Fit Page")) {
emit zoomModeChanged(QPdfView::ZoomMode::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::ZoomMode::Custom);
emit zoomFactorChanged(factor);
}
}
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