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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#ifndef CENTRALWIDGET_H
#define CENTRALWIDGET_H
#include <QtCore/QUrl>
#include <QtCore/QPoint>
#include <QtCore/QObject>
#include <QtGui/QWidget>
#include <QtGui/QTextDocument>
QT_BEGIN_NAMESPACE
class QEvent;
class QLabel;
class QAction;
class QCheckBox;
class QLineEdit;
class QToolButton;
class QTabWidget;
class QHelpEngine;
class QFocusEvent;
QT_END_NAMESPACE
class HelpViewer;
namespace Help {
namespace Internal {
class PrintHelper;
class CentralWidget : public QWidget
{
Q_OBJECT
public:
CentralWidget(QHelpEngine *engine, QWidget *parent = 0);
~CentralWidget();
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 *currentHelpViewer() const;
void activateTab(bool onlyHelpViewer = false);
bool find(const QString &txt, QTextDocument::FindFlags findFlags, bool incremental);
void setLastShownPages();
HelpViewer *helpViewerAtIndex(int index) const;
static CentralWidget *instance();
public slots:
void zoomIn();
void zoomOut();
void nextPage();
void resetZoom();
void previousPage();
void copySelection();
void print();
void pageSetup();
void printPreview();
void setSource(const QUrl &url);
void setSourceInNewTab(const QUrl &url, int zoom = 0);
HelpViewer *newEmptyTab();
void home();
void forward();
void backward();
void showTopicChooser(const QMap<QString, QUrl> &links,
const QString &keyword);
void copy();
protected:
void focusInEvent(QFocusEvent *event);
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 addNewBookmark(const QString &title, const QString &url);
private slots:
void newTab();
void closeTab();
void closeTab(int index);
void setTabTitle(const QUrl& url);
void currentPageChanged(int index);
void showTabBarContextMenu(const QPoint &point);
void printPreview(QPrinter *printer);
private:
void connectSignals();
bool eventFilter(QObject *object, QEvent *e);
void initPrinter();
QString quoteTabTitle(const QString &title) const;
private:
int lastTabPage;
QString collectionFile;
QList<QAction*> globalActionList;
QWidget *findBar;
QTabWidget* tabWidget;
QHelpEngine *helpEngine;
QPrinter *printer;
};
} // namespace Internal
} // namespace Help
#endif // CENTRALWIDGET_H
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