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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef CENTRALWIDGET_H
#define CENTRALWIDGET_H
#include <find/ifindsupport.h>
#include <QtGui/QWidget>
QT_FORWARD_DECLARE_CLASS(QEvent)
QT_FORWARD_DECLARE_CLASS(QAction)
QT_FORWARD_DECLARE_CLASS(QStackedWidget)
QT_FORWARD_DECLARE_CLASS(QFocusEvent)
namespace Help {
namespace Internal {
class HelpViewer;
class PrintHelper;
class CentralWidget : public QWidget
{
Q_OBJECT
public:
CentralWidget(QWidget *parent = 0);
~CentralWidget();
static CentralWidget *instance();
bool hasSelection() const;
bool isForwardAvailable() const;
bool isBackwardAvailable() const;
HelpViewer *viewerAt(int index) const;
HelpViewer *currentHelpViewer() const;
void addPage(HelpViewer *page, bool fromSearch = false);
void removePage(int index);
int currentIndex() const;
void setCurrentPage(HelpViewer *page);
bool find(const QString &txt, Find::FindFlags findFlags,
bool incremental);
public slots:
void copy();
void home();
void zoomIn();
void zoomOut();
void resetZoom();
void forward();
void nextPage();
void backward();
void previousPage();
void print();
void pageSetup();
void printPreview();
void setSource(const QUrl &url);
void setSourceFromSearch(const QUrl &url);
void showTopicChooser(const QMap<QString, QUrl> &links, const QString &key);
protected:
void focusInEvent(QFocusEvent *event);
signals:
void openFindToolBar();
void currentViewerChanged();
void sourceChanged(const QUrl &url);
void forwardAvailable(bool available);
void backwardAvailable(bool available);
private slots:
void highlightSearchTerms();
void printPreview(QPrinter *printer);
void handleSourceChanged(const QUrl &url);
private:
void initPrinter();
void connectSignals(HelpViewer *page);
bool eventFilter(QObject *object, QEvent *e);
private:
QPrinter *printer;
QStackedWidget *m_stackedWidget;
};
} // namespace Internal
} // namespace Help
#endif // CENTRALWIDGET_H
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