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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** 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.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at info@qt.nokia.com.
**
**************************************************************************/
#ifndef HELPVIEWER_H
#define HELPVIEWER_H
#include <find/ifindsupport.h>
#include <QtCore/qglobal.h>
#include <QtCore/QString>
#include <QtCore/QUrl>
#include <QtCore/QVariant>
#include <QtGui/QAction>
#include <QtGui/QFont>
#if defined(QT_NO_WEBKIT)
#include <QtGui/QTextBrowser>
#else
#include <QtWebKit/QWebView>
#endif
namespace Help {
namespace Internal {
#if !defined(QT_NO_WEBKIT)
class HelpViewer : public QWebView
#else
class HelpViewer : public QTextBrowser
#endif
{
Q_OBJECT
class HelpViewerPrivate;
public:
explicit 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, Find::FindFlags flags,
bool incremental, bool fromSearch, bool *wrapped = 0);
static const QString NsNokia;
static const QString NsTrolltech;
static const QString AboutBlankPage;
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();
void printRequested();
void openFindToolBar();
#if !defined(QT_NO_WEBKIT)
void sourceChanged(const QUrl &);
void forwardAvailable(bool enabled);
void backwardAvailable(bool enabled);
#else
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 slotLoadStarted();
void slotLoadFinished(bool ok);
#if !defined(QT_NO_WEBKIT)
void slotNetworkReplyFinished(QNetworkReply *reply);
#endif
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;
};
} // namespace Internal
} // namespace Help
#endif // HELPVIEWER_H
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