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/****************************************************************************
**
** 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 CENTRALWIDGET_H
#define CENTRALWIDGET_H
#include <QtCore/QUrl>
#include <QtGui/QWidget>
QT_BEGIN_NAMESPACE
class FindWidget;
class HelpViewer;
class MainWindow;
class QHelpSearchEngine;
class QTabWidget;
class SearchWidget;
class CentralWidget : public QWidget
{
Q_OBJECT
public:
CentralWidget(MainWindow *parent);
~CentralWidget();
void setupWidget();
bool hasSelection() const;
QUrl currentSource() const;
QString currentTitle() const;
bool isHomeAvailable() const;
bool isForwardAvailable() const;
bool isBackwardAvailable() const;
QList<QAction*> globalActions() const;
void setGlobalActions(const QList<QAction*> &actions);
HelpViewer *viewerAt(int index) const;
HelpViewer *currentHelpViewer() const;
bool searchWidgetAttached() const;
void createSearchWidget(QHelpSearchEngine *searchEngine);
void activateSearchWidget(bool updateLastTabPage = false);
void removeSearchWidget();
int availableHelpViewer() const;
bool enableTabCloseAction() const;
void closeOrReloadTabs(const QList<int> &indices, bool tryReload);
void closeTabAt(int index);
QMap<int, QString> currentSourceFileList() const;
static CentralWidget *instance();
public slots:
void zoomIn();
void zoomOut();
void nextPage();
void resetZoom();
void previousPage();
void copySelection();
void showTextSearch();
void print();
void pageSetup();
void printPreview();
void updateBrowserFont();
void setSource(const QUrl &url);
void setSourceInNewTab(const QUrl &url, qreal zoom = 0.0);
HelpViewer *newEmptyTab();
void home();
void forward();
void backward();
void activateTab(bool onlyHelpViewer = false);
void findNext();
void findPrevious();
void find(const QString &text, bool forward);
signals:
void currentViewerChanged();
void copyAvailable(bool yes);
void sourceChanged(const QUrl &url);
void highlighted(const QString &link);
void forwardAvailable(bool available);
void backwardAvailable(bool available);
void addBookmark(const QString &title, const QString &url);
protected:
void keyPressEvent(QKeyEvent *);
private slots:
void newTab();
void closeTab();
void setTabTitle(const QUrl& url);
void currentPageChanged(int index);
void showTabBarContextMenu(const QPoint &point);
void printPreview(QPrinter *printer);
void setSourceFromSearch(const QUrl &url);
void setSourceFromSearchInNewTab(const QUrl &url);
void highlightSearchTerms();
private:
void connectSignals();
bool eventFilter(QObject *object, QEvent *e);
bool findInWebPage(const QString &ttf, bool forward);
bool findInTextBrowser(const QString &ttf, bool forward);
void initPrinter();
QString quoteTabTitle(const QString &title) const;
void setLastShownPages();
private:
int lastTabPage;
QList<QAction*> globalActionList;
QTabWidget *tabWidget;
FindWidget *findWidget;
QPrinter *printer;
bool usesDefaultCollection;
SearchWidget *m_searchWidget;
};
QT_END_NAMESPACE
#endif // CENTRALWIDGET_H
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