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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Assistant of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef HELPVIEWERPRIVATE_H
#define HELPVIEWERPRIVATE_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
class HelpViewer::HelpViewerPrivate : public QObject
{
Q_OBJECT
public:
#if defined(BROWSER_QTEXTBROWSER)
HelpViewerPrivate(int zoom)
: zoomCount(zoom)
, forceFont(false)
, lastAnchor(QString())
, m_loadFinished(false)
{ }
#elif defined(BROWSER_QTWEBKIT)
HelpViewerPrivate()
: m_loadFinished(false)
{
// 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) == QLatin1Char('#')) {
QString src = browser->source().toString();
int hsh = src.indexOf(QLatin1Char('#'));
lastAnchor = (hsh >= 0 ? src.left(hsh) : src) + lastAnchor;
}
return true;
}
void openLink(bool newPage)
{
if(lastAnchor.isEmpty())
return;
if (newPage)
OpenPagesManager::instance()->createPage(lastAnchor);
else
CentralWidget::instance()->setSource(lastAnchor);
lastAnchor.clear();
}
public slots:
void openLink()
{
openLink(false);
}
void openLinkInNewPage()
{
openLink(true);
}
public:
int zoomCount;
bool forceFont;
QString lastAnchor;
#elif defined(BROWSER_QTWEBKIT)
qreal webDpiRatio;
#endif // BROWSER_QTWEBKIT
public:
bool m_loadFinished;
};
QT_END_NAMESPACE
#endif // HELPVIEWERPRIVATE_H
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