forked from qt-creator/qt-creator
7d6f2bb45a
Task: - none AutoTest: - compile test Details: - use QT_NO_WEBKIT instead of QT_WEBKIT, USE_WEBKIT
155 lines
3.8 KiB
C++
155 lines
3.8 KiB
C++
/***************************************************************************
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**
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** This file is part of Qt Creator
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**
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** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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**
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** Non-Open Source Usage
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**
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** Licensees may use this file in accordance with the Qt Beta Version
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** License Agreement, Agreement version 2.2 provided with the Software or,
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** alternatively, in accordance with the terms contained in a written
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** agreement between you and Nokia.
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**
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** GNU General Public License Usage
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**
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the packaging
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** of this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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**
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** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt GPL Exception version
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** 1.2, included in the file GPL_EXCEPTION.txt in this package.
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**
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***************************************************************************/
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#ifndef HELPVIEWER_H
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#define HELPVIEWER_H
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#include <QtCore/QUrl>
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#include <QtCore/QVariant>
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#include <QtGui/QTextBrowser>
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#include <QtGui/QAction>
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#if !defined(QT_NO_WEBKIT)
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#include <QWebView>
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#endif
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QT_BEGIN_NAMESPACE
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class QHelpEngine;
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class CentralWidget;
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class QPoint;
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class QString;
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class QKeyEvent;
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class QMouseEvent;
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class QContextMenuEvent;
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#if !defined(QT_NO_WEBKIT)
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class HelpViewer : public QWebView
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{
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Q_OBJECT
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public:
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HelpViewer(QHelpEngine *helpEngine, CentralWidget *parent);
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void setSource(const QUrl &url);
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inline QUrl source() const
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{ return url(); }
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inline QString documentTitle() const
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{ return title(); }
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inline bool hasSelection() const
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{ return !selectedText().isEmpty(); } // ### this is suboptimal
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void resetZoom();
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void zoomIn(qreal range = 1);
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void zoomOut(qreal range = 1);
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inline void copy()
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{ return triggerPageAction(QWebPage::Copy); }
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inline bool isForwardAvailable() const
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{ return pageAction(QWebPage::Forward)->isEnabled(); }
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inline bool isBackwardAvailable() const
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{ return pageAction(QWebPage::Back)->isEnabled(); }
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public Q_SLOTS:
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void home();
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void backward() { back(); }
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Q_SIGNALS:
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void copyAvailable(bool enabled);
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void forwardAvailable(bool enabled);
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void backwardAvailable(bool enabled);
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void highlighted(const QString &);
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void sourceChanged(const QUrl &);
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protected:
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virtual void wheelEvent(QWheelEvent *);
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void mouseReleaseEvent(QMouseEvent *e);
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private Q_SLOTS:
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void actionChanged();
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private:
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QHelpEngine *helpEngine;
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CentralWidget* parentWidget;
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QUrl homeUrl;
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};
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#else
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class HelpViewer : public QTextBrowser
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{
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Q_OBJECT
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public:
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HelpViewer(QHelpEngine *helpEngine, CentralWidget *parent);
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void setSource(const QUrl &url);
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void resetZoom();
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void zoomIn(int range = 1);
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void zoomOut(int range = 1);
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int zoom() const { return zoomCount; }
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void setZoom(int zoom) { zoomCount = zoom; }
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inline bool hasSelection() const
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{ return textCursor().hasSelection(); }
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private:
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QVariant loadResource(int type, const QUrl &name);
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void openLinkInNewTab(const QString &link);
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bool hasAnchorAt(const QPoint& pos);
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void contextMenuEvent(QContextMenuEvent *e);
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void mouseReleaseEvent(QMouseEvent *e);
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void keyPressEvent(QKeyEvent *e);
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private slots:
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void openLinkInNewTab();
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private:
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int zoomCount;
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bool controlPressed;
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QString lastAnchor;
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QHelpEngine *helpEngine;
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CentralWidget* parentWidget;
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};
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#endif
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QT_END_NAMESPACE
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#endif
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