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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef HELPVIEWERIMPLPRIVATE_H
#define HELPVIEWERIMPLPRIVATE_H
#include "centralwidget.h"
#include "helpviewer.h"
#include "openpagesmanager.h"
#include <QtCore/QObject>
#if defined(BROWSER_QTEXTBROWSER)
# include <QtWidgets/QTextBrowser>
#elif defined(BROWSER_QTWEBKIT)
# include <QtGui/QGuiApplication>
# include <QtGui/QScreen>
#endif // BROWSER_QTWEBKIT
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
class HelpViewerImpl::HelpViewerImplPrivate : public QObject
{
Q_OBJECT
public:
#if defined(BROWSER_QTEXTBROWSER)
HelpViewerImplPrivate(int zoom)
: zoomCount(zoom)
{ }
#elif defined(BROWSER_QTWEBKIT)
HelpViewerImplPrivate()
{
// The web uses 96dpi by default on the web to preserve the font size across platforms, but
// since we control the content for the documentation, we want the system DPI to be used.
// - OS X reports 72dpi but doesn't allow changing the DPI, ignore anything below a 1.0 ratio to handle this.
// - On Windows and Linux don't zoom the default web 96dpi below a 1.25 ratio to avoid
// filtered images in the doc unless the font readability difference is considerable.
webDpiRatio = QGuiApplication::primaryScreen()->logicalDotsPerInch() / 96.;
if (webDpiRatio < 1.25)
webDpiRatio = 1.0;
}
#endif // BROWSER_QTWEBKIT
#if defined(BROWSER_QTEXTBROWSER)
bool hasAnchorAt(QTextBrowser *browser, const QPoint& pos)
{
lastAnchor = browser->anchorAt(pos);
if (lastAnchor.isEmpty())
return false;
lastAnchor = browser->source().resolved(lastAnchor).toString();
if (lastAnchor.at(0) == u'#') {
QString src = browser->source().toString();
int hsh = src.indexOf(u'#');
lastAnchor = (hsh >= 0 ? src.left(hsh) : src) + lastAnchor;
}
return true;
}
public slots:
void openLink()
{
doOpenLink(false);
}
void openLinkInNewPage()
{
doOpenLink(true);
}
public:
QString lastAnchor;
int zoomCount;
bool forceFont = false;
private:
void doOpenLink(bool newPage)
{
if (lastAnchor.isEmpty())
return;
if (newPage)
OpenPagesManager::instance()->createPage(lastAnchor);
else
CentralWidget::instance()->setSource(lastAnchor);
lastAnchor.clear();
}
#elif defined(BROWSER_QTWEBKIT)
qreal webDpiRatio;
#endif // BROWSER_QTWEBKIT
};
QT_END_NAMESPACE
#endif // HELPVIEWERIMPLPRIVATE_H
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