tabwidget.h

#ifndef TABWIDGET_H#define TABWIDGET_H#include <QTabWidget>#include <QWebEnginePage>QT_BEGIN_NAMESPACEclass QUrl;QT_END_NAMESPACEclass WebView;class TabWidget : public QTabWidget{    Q_OBJECTpublic:    TabWidget(QWidget *parent = nullptr);    ~TabWidget();    WebView *currentWebView() const;signals:    // current tab/page signals    void linkHovered(const QString &link);    void loadProgress(int progress);    void titleChanged(const QString &title);    void urlChanged(const QUrl &url);    void iconChanged(const QIcon &icon);    void webActionEnabledChanged(QWebEnginePage::WebAction action, bool enabled);public slots:    // current tab/page slots    void setUrl(const QUrl &url);    void triggerWebPageAction(QWebEnginePage::WebAction action);    WebView *createTab(bool makeCurrent = true);    void closeTab(int index);    void nextTab();    void previousTab();private slots:    void handleCurrentChanged(int index);    void handleContextMenuRequested(const QPoint &pos);    void cloneTab(int index);    void closeOtherTabs(int index);    void reloadAllTabs();    void reloadTab(int index);private:    WebView *webView(int index) const;    void setupView(WebView *webView);};#endif // TABWIDGET_H