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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Assistant of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef HELPVIEWER_H
#define HELPVIEWER_H
#include <QtCore/qglobal.h>
#include <QtCore/QString>
#include <QtCore/QUrl>
#include <QtCore/QVariant>
#include <QtWidgets/QAction>
#include <QtGui/QFont>
#if defined(QT_NO_WEBKIT)
#include <QtWidgets/QTextBrowser>
#else
#include <QtWebKit/QWebView>
#endif
QT_BEGIN_NAMESPACE
#if !defined(QT_NO_WEBKIT)
class HelpViewer : public QWebView
#else
class HelpViewer : public QTextBrowser
#endif
{
Q_OBJECT
class HelpViewerPrivate;
Q_DISABLE_COPY(HelpViewer)
public:
enum FindFlag {
FindBackward = 0x01,
FindCaseSensitively = 0x02
};
Q_DECLARE_FLAGS(FindFlags, FindFlag)
HelpViewer(qreal zoom, QWidget *parent = 0);
~HelpViewer();
QFont viewerFont() const;
void setViewerFont(const QFont &font);
void scaleUp();
void scaleDown();
void resetScale();
qreal scale() const;
QString title() const;
void setTitle(const QString &title);
QUrl source() const;
void setSource(const QUrl &url);
QString selectedText() const;
bool isForwardAvailable() const;
bool isBackwardAvailable() const;
bool findText(const QString &text, FindFlags flags, bool incremental,
bool fromSearch);
static const QString DocPath;
static const QString AboutBlank;
static const QString LocalHelpFile;
static const QString PageNotFoundMessage;
static bool isLocalUrl(const QUrl &url);
static bool canOpenPage(const QString &url);
static QString mimeFromUrl(const QUrl &url);
static bool launchWithExternalApp(const QUrl &url);
public slots:
void copy();
void home();
void forward();
void backward();
signals:
void titleChanged();
#if !defined(QT_NO_WEBKIT)
void copyAvailable(bool yes);
void sourceChanged(const QUrl &url);
void forwardAvailable(bool enabled);
void backwardAvailable(bool enabled);
void highlighted(const QString &link);
void printRequested();
#else
void loadStarted();
void loadFinished(bool finished);
#endif
protected:
void keyPressEvent(QKeyEvent *e);
void wheelEvent(QWheelEvent *event);
void mousePressEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
private slots:
void actionChanged();
void setLoadStarted();
void setLoadFinished(bool ok);
private:
bool eventFilter(QObject *obj, QEvent *event);
void contextMenuEvent(QContextMenuEvent *event);
QVariant loadResource(int type, const QUrl &name);
bool handleForwardBackwardMouseButtons(QMouseEvent *e);
private:
HelpViewerPrivate *d;
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(HelpViewer*)
#endif // HELPVIEWER_H
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