| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 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 HELPVIEWERQWV_H |
| #define HELPVIEWERQWV_H |
| |
| #include "helpviewer.h" |
| |
| #include <QtGui/QAction> |
| #include <QtWebKit/QWebView> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class CentralWidget; |
| class HelpEngineWrapper; |
| class QMouseEvent; |
| |
| class HelpViewer : public QWebView, public AbstractHelpViewer |
| { |
| Q_OBJECT |
| |
| public: |
| explicit HelpViewer(CentralWidget *parent, qreal zoom = 0.0); |
| ~HelpViewer(); |
| |
| QFont viewerFont() const; |
| void setViewerFont(const QFont &font); |
| |
| void scaleUp(); |
| void scaleDown(); |
| void resetScale(); |
| qreal scale() const { return textSizeMultiplier(); } |
| |
| bool handleForwardBackwardMouseButtons(QMouseEvent *e); |
| |
| QUrl source() const; |
| void setSource(const QUrl &url); |
| |
| inline QString documentTitle() const |
| { return title(); } |
| |
| inline bool hasSelection() const |
| { return !selectedText().isEmpty(); } // ### this is suboptimal |
| |
| inline void copy() |
| { return triggerPageAction(QWebPage::Copy); } |
| |
| inline bool isForwardAvailable() const |
| { return pageAction(QWebPage::Forward)->isEnabled(); } |
| inline bool isBackwardAvailable() const |
| { return pageAction(QWebPage::Back)->isEnabled(); } |
| inline bool hasLoadFinished() const |
| { return loadFinished; } |
| |
| public Q_SLOTS: |
| void home(); |
| void backward() { back(); } |
| |
| Q_SIGNALS: |
| void copyAvailable(bool enabled); |
| void forwardAvailable(bool enabled); |
| void backwardAvailable(bool enabled); |
| void highlighted(const QString &); |
| void sourceChanged(const QUrl &); |
| void printRequested(); |
| |
| protected: |
| virtual void wheelEvent(QWheelEvent *); |
| void mouseReleaseEvent(QMouseEvent *e); |
| void mousePressEvent(QMouseEvent *event); |
| |
| private Q_SLOTS: |
| void actionChanged(); |
| void setLoadStarted(); |
| void setLoadFinished(bool ok); |
| |
| private: |
| CentralWidget* parentWidget; |
| bool loadFinished; |
| HelpEngineWrapper &helpEngine; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // HELPVIEWERQWV_H |