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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef TABWIDGET_H
#define TABWIDGET_H
#include <QtGui/QTabBar>
#include <QtGui/QShortcut>
/*
Tab bar with a few more features such as a context menu and shortcuts
*/
class TabBar : public QTabBar
{
Q_OBJECT
signals:
void newTab();
void cloneTab(int index);
void closeTab(int index);
void closeOtherTabs(int index);
void reloadTab(int index);
void reloadAllTabs();
void tabMoveRequested(int fromIndex, int toIndex);
public:
TabBar(QWidget *parent = 0);
protected:
void mousePressEvent(QMouseEvent* event);
void mouseMoveEvent(QMouseEvent* event);
private slots:
void selectTabAction();
void cloneTab();
void closeTab();
void closeOtherTabs();
void reloadTab();
void contextMenuRequested(const QPoint &position);
private:
QList<QShortcut*> m_tabShortcuts;
friend class TabWidget;
QPoint m_dragStartPos;
int m_dragCurrentIndex;
};
#include <QtWebKit/QWebPage>
QT_BEGIN_NAMESPACE
class QAction;
QT_END_NAMESPACE
class WebView;
/*!
A proxy object that connects a single browser action
to one child webpage action at a time.
Example usage: used to keep the main window stop action in sync with
the current tabs webview's stop action.
*/
class WebActionMapper : public QObject
{
Q_OBJECT
public:
WebActionMapper(QAction *root, QWebPage::WebAction webAction, QObject *parent);
QWebPage::WebAction webAction() const;
void addChild(QAction *action);
void updateCurrent(QWebPage *currentParent);
private slots:
void rootTriggered();
void childChanged();
void rootDestroyed();
void currentDestroyed();
private:
QWebPage *m_currentParent;
QAction *m_root;
QWebPage::WebAction m_webAction;
};
#include <QtCore/QUrl>
#include <QtGui/QTabWidget>
QT_BEGIN_NAMESPACE
class QCompleter;
class QLineEdit;
class QMenu;
class QStackedWidget;
QT_END_NAMESPACE
/*!
TabWidget that contains WebViews and a stack widget of associated line edits.
Connects up the current tab's signals to this class's signal and uses WebActionMapper
to proxy the actions.
*/
class TabWidget : public QTabWidget
{
Q_OBJECT
signals:
// tab widget signals
void loadPage(const QString &url);
void tabsChanged();
void lastTabClosed();
// current tab signals
void setCurrentTitle(const QString &url);
void showStatusBarMessage(const QString &message);
void linkHovered(const QString &link);
void loadProgress(int progress);
void geometryChangeRequested(const QRect &geometry);
void menuBarVisibilityChangeRequested(bool visible);
void statusBarVisibilityChangeRequested(bool visible);
void toolBarVisibilityChangeRequested(bool visible);
void printRequested(QWebFrame *frame);
public:
TabWidget(QWidget *parent = 0);
void clear();
void addWebAction(QAction *action, QWebPage::WebAction webAction);
QAction *newTabAction() const;
QAction *closeTabAction() const;
QAction *recentlyClosedTabsAction() const;
QAction *nextTabAction() const;
QAction *previousTabAction() const;
QWidget *lineEditStack() const;
QLineEdit *currentLineEdit() const;
WebView *currentWebView() const;
WebView *webView(int index) const;
QLineEdit *lineEdit(int index) const;
int webViewIndex(WebView *webView) const;
QByteArray saveState() const;
bool restoreState(const QByteArray &state);
protected:
void mouseDoubleClickEvent(QMouseEvent *event);
void contextMenuEvent(QContextMenuEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
public slots:
void loadUrlInCurrentTab(const QUrl &url);
WebView *newTab(bool makeCurrent = true);
void cloneTab(int index = -1);
void closeTab(int index = -1);
void closeOtherTabs(int index);
void reloadTab(int index = -1);
void reloadAllTabs();
void nextTab();
void previousTab();
private slots:
void currentChanged(int index);
void aboutToShowRecentTabsMenu();
void aboutToShowRecentTriggeredAction(QAction *action);
void webViewLoadStarted();
void webViewIconChanged();
void webViewTitleChanged(const QString &title);
void webViewUrlChanged(const QUrl &url);
void lineEditReturnPressed();
void windowCloseRequested();
void moveTab(int fromIndex, int toIndex);
private:
QAction *m_recentlyClosedTabsAction;
QAction *m_newTabAction;
QAction *m_closeTabAction;
QAction *m_nextTabAction;
QAction *m_previousTabAction;
QMenu *m_recentlyClosedTabsMenu;
static const int m_recentlyClosedTabsSize = 10;
QList<QUrl> m_recentlyClosedTabs;
QList<WebActionMapper*> m_actions;
QCompleter *m_lineEditCompleter;
QStackedWidget *m_lineEdits;
TabBar *m_tabBar;
};
#endif // TABWIDGET_H
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