zoomactionmenu.cpp

/*
   SPDX-FileCopyrightText: 2015-2023 Laurent Montel <[email protected]>
 
   SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#include "zoomactionmenu.h"
#include <KActionCollection>
#include <KLocalizedString>
 
using namespace WebEngineViewer;
namespace
{
constexpr qreal zoomBy()
{
    return 20;
}
}
 
class WebEngineViewer::ZoomActionMenuPrivate
{
public:
    explicit ZoomActionMenuPrivate(KActionMenu *qq)
        : q(qq)
    {
    }
 
    void createMenu();
    qreal mZoomFactor = 100;
    QAction *mZoomInAction = nullptr;
    QAction *mZoomOutAction = nullptr;
    QAction *mZoomResetAction = nullptr;
    KActionCollection *mActionCollection = nullptr;
    KActionMenu *const q;
};
 
ZoomActionMenu::ZoomActionMenu(QObject *parent)
    : KActionMenu(parent)
    , d(new WebEngineViewer::ZoomActionMenuPrivate(this))
{
}
 
ZoomActionMenu::~ZoomActionMenu() = default;
 
void ZoomActionMenu::setActionCollection(KActionCollection *ac)
{
    d->mActionCollection = ac;
}
 
void ZoomActionMenu::createZoomActions()
{
    // Zoom actions
    d->mZoomInAction = KStandardAction::zoomIn(this, &ZoomActionMenu::slotZoomIn, this);
    d->mActionCollection->addAction(QStringLiteral("zoom_in"), d->mZoomInAction);
 
    d->mZoomOutAction = KStandardAction::zoomOut(this, &ZoomActionMenu::slotZoomOut, this);
    d->mActionCollection->addAction(QStringLiteral("zoom_out"), d->mZoomOutAction);
 
    d->mZoomResetAction = KStandardAction::actualSize(this, &ZoomActionMenu::slotZoomReset, this);
    d->mActionCollection->addAction(QStringLiteral("zoom_reset"), d->mZoomResetAction);
 
    d->createMenu();
}
 
QAction *ZoomActionMenu::zoomInAction() const
{
    return d->mZoomInAction;
}
 
QAction *ZoomActionMenu::zoomOutAction() const
{
    return d->mZoomOutAction;
}
 
QAction *ZoomActionMenu::zoomResetAction() const
{
    return d->mZoomResetAction;
}
 
void ZoomActionMenu::setZoomFactor(qreal zoomFactor)
{
    d->mZoomFactor = zoomFactor;
}
 
void ZoomActionMenu::setWebViewerZoomFactor(qreal zoomFactor)
{
    Q_EMIT zoomChanged(zoomFactor);
}
 
void ZoomActionMenu::slotZoomIn()
{
    if (d->mZoomFactor >= 300) {
        return;
    }
    d->mZoomFactor += zoomBy();
    if (d->mZoomFactor > 300) {
        d->mZoomFactor = 300;
    }
    Q_EMIT zoomChanged(d->mZoomFactor / 100.0);
}
 
void ZoomActionMenu::slotZoomOut()
{
    if (d->mZoomFactor <= 10) {
        return;
    }
    d->mZoomFactor -= zoomBy();
    if (d->mZoomFactor < 10) {
        d->mZoomFactor = 10;
    }
    Q_EMIT zoomChanged(d->mZoomFactor / 100.0);
}
 
void ZoomActionMenu::slotZoomReset()
{
    d->mZoomFactor = 100;
    Q_EMIT zoomChanged(1.0);
}
 
qreal ZoomActionMenu::zoomFactor() const
{
    return d->mZoomFactor;
}
 
void ZoomActionMenuPrivate::createMenu()
{
    q->setText(i18n("Zoom"));
    q->addAction(mZoomInAction);
    q->addAction(mZoomOutAction);
    q->addSeparator();
    q->addAction(mZoomResetAction);
    mActionCollection->addAction(QStringLiteral("zoom_menu"), q);
}