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** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
** This file is part of the demonstration applications of the Qt Toolkit.
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
** exception, Nokia gives you certain additional rights. These rights
** are described in the Nokia Qt GPL Exception version 1.3, included in
** the file GPL_EXCEPTION.txt in this package.
** Qt for Windows(R) Licensees
** As a special exception, Nokia, as the sole copyright holder for Qt
** Designer, grants users of the Qt/Eclipse Integration plug-in the
** right for the Qt/Eclipse Integration to link to functionality
** provided by Qt Designer and its related libraries.
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.


#include <QtGui/QTabBar>

#include <QtGui/QShortcut>
    Tab bar with a few more features such as a context menu and shortcuts
class TabBar : public QTabBar

    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);

    TabBar(QWidget *parent = 0);

    void mousePressEvent(QMouseEvent* event);
    void mouseMoveEvent(QMouseEvent* event);
    void dragEnterEvent(QDragEnterEvent *event);
    void dropEvent(QDropEvent *event);

private slots:
    void selectTabAction();
    void cloneTab();
    void closeTab();
    void closeOtherTabs();
    void reloadTab();
    void contextMenuRequested(const QPoint &position);

    QList<QShortcut*> m_tabShortcuts;
    friend class TabWidget;

    QPoint m_dragStartPos;
    int m_dragCurrentIndex;

#include <QtWebKit/QWebPage>

class QAction;
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.
00098 class WebActionMapper : public QObject

    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();

    QWebPage *m_currentParent;
    QAction *m_root;
    QWebPage::WebAction m_webAction;

#include <QtCore/QUrl>
#include <QtGui/QTabWidget>
class QCompleter;
class QLineEdit;
class QMenu;
class QStackedWidget;
    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.
00134 class TabWidget : public QTabWidget

    // 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);

    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);

    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);

    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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