PyQt5中自定义QWebEngineView的右键菜单

清疚 2023-01-09 01:21 345阅读 0赞

#  实现代码 #

@author： daimashiren
    @time:    2021/01/20
    
    # -*- coding: utf-8 -*-
    import sys
    from PyQt5.QtWidgets import *
    from PyQt5.QtCore import *
    from PyQt5.QtWebEngineWidgets import QWebEngineView,QWebEngineSettings
    from PyQt5.QtWidgets import QMenu, QWidget, QAction,QMessageBox
    
    
    
    class MainWindow(QMainWindow):
        def __init__(self, *args, **kwargs):
            super().__init__(*args, **kwargs)
            self.setWindowTitle('My Browser')
            self.setGeometry(300,200,1200,800)
            self.setWindowFlags(Qt.FramelessWindowHint)
    
            #####创建tabwidget
            self.tabWidget = QTabWidget()
            self.tabWidget.setTabShape(QTabWidget.Triangular)
            self.tabWidget.setDocumentMode(True)
            self.tabWidget.setMovable(True)
            self.tabWidget.setTabsClosable(True)
            self.tabWidget.tabCloseRequested.connect(self.close_Tab)
            self.setCentralWidget(self.tabWidget)
    
            #自定义浏览器右键菜单
            self.web_menu = WebMenu()
    
            ####第一个tab
            self.webview = QWebEngineView(self)   #将主窗口作为参数，传给浏览器
            
            """关键代码"""
            self.webview.setContextMenuPolicy(Qt.CustomContextMenu)     #将浏览器右键菜单设置为用户自定义菜单
            self.webview.customContextMenuRequested.connect(self.MyBrowser_Menu)#将菜单的信号链接到自定义菜单槽函数
            """关键代码"""
    
    
            self.webview.load(QUrl("https://cn.bing.com/"))
            self.create_tab(self.webview)
    
    
        #创建tab
        def create_tab(self,webview):
            self.tab = QWidget()
            self.tabWidget.addTab(self.tab, "新标签页")
            self.tabWidget.setCurrentWidget(self.tab)
            #####
            self.Layout = QHBoxLayout(self.tab)
            self.Layout.setContentsMargins(0, 0, 0, 0)
            self.Layout.addWidget(webview)
    
    
        #关闭标签
        def close_Tab(self,index):
            if self.tabWidget.count()>1:
                self.tabWidget.removeTab(index)
            else:
                QCoreApplication.quit()
                
    
    
        #创建自定义浏览器右键菜单
        def MyBrowser_Menu(self,pos):
            action = self.web_menu.exec_(self.webview.mapToGlobal(pos))
            if action == self.web_menu.save_act:
                self.save_slot()
            elif action == self.web_menu.reload_act:
                self.reload_slot()
    
    
        def save_slot(self):
            QMessageBox.information(self,"测试","测试保存设置")
    
        def reload_slot(self):
            QMessageBox.information(self,"测试","测试刷新设置")
    
    
    
    
    
    #自定义的一个菜单类
    class WebMenu(QMenu):
        def __init__(self):
            super(WebMenu, self).__init__()
            # 定义一个浏览器右键菜单
            self.save_act = QAction("保存")
            self.reload_act = QAction("刷新")
            self.addAction(self.save_act)
            self.addAction(self.reload_act)
    
    
    
    if __name__ == "__main__":
        app = QApplication(sys.argv)
        the_mainwindow = MainWindow()
        the_mainwindow.show()
        sys.exit(app.exec_())

# 效果演示 #

![此图片无法显示][20210120170801531.gif]

[20210120170801531.gif]: /images/20221119/8a4e7e8758e8419482435899f618db4d.png