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Diffstat (limited to 'examples/webenginewidgets/browser/tabwidget.h')
| -rw-r--r-- | examples/webenginewidgets/browser/tabwidget.h | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/examples/webenginewidgets/browser/tabwidget.h b/examples/webenginewidgets/browser/tabwidget.h new file mode 100644 index 000000000..e5e1cb606 --- /dev/null +++ b/examples/webenginewidgets/browser/tabwidget.h @@ -0,0 +1,223 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** 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, Digia gives you certain additional +** rights. These rights are described in the Digia 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef TABWIDGET_H +#define TABWIDGET_H + +#include <QtWidgets/QTabBar> + +#include <QtWidgets/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 <QWebEnginePage> + +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, QWebEnginePage::WebAction webAction, QObject *parent); + QWebEnginePage::WebAction webAction() const; + void addChild(QAction *action); + void updateCurrent(QWebEnginePage *currentParent); + +private slots: + void rootTriggered(); + void childChanged(); + void rootDestroyed(); + void currentDestroyed(); + +private: + QWebEnginePage *m_currentParent; + QAction *m_root; + QWebEnginePage::WebAction m_webAction; +}; + +#include <QtCore/QUrl> +#include <QtWidgets/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(QWebEngineFrame *frame); + +public: + TabWidget(QWidget *parent = 0); + void clear(); + void addWebAction(QAction *action, QWebEnginePage::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 |