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41
42"""PySide2 WebEngineWidgets Example"""
43
44import sys
45from PySide2.QtCore import QUrl
46from PySide2.QtGui import QIcon
47from PySide2.QtWidgets import (QApplication, QLineEdit,
48    QMainWindow, QPushButton, QToolBar)
49from PySide2.QtWebEngineWidgets import QWebEnginePage, QWebEngineView
50
51class MainWindow(QMainWindow):
52
53    def __init__(self):
54        super(MainWindow, self).__init__()
55
56        self.setWindowTitle('PySide2 WebEngineWidgets Example')
57
58        self.toolBar = QToolBar()
59        self.addToolBar(self.toolBar)
60        self.backButton = QPushButton()
61        self.backButton.setIcon(QIcon(':/qt-project.org/styles/commonstyle/images/left-32.png'))
62        self.backButton.clicked.connect(self.back)
63        self.toolBar.addWidget(self.backButton)
64        self.forwardButton = QPushButton()
65        self.forwardButton.setIcon(QIcon(':/qt-project.org/styles/commonstyle/images/right-32.png'))
66        self.forwardButton.clicked.connect(self.forward)
67        self.toolBar.addWidget(self.forwardButton)
68
69        self.addressLineEdit = QLineEdit()
70        self.addressLineEdit.returnPressed.connect(self.load)
71        self.toolBar.addWidget(self.addressLineEdit)
72
73        self.webEngineView = QWebEngineView()
74        self.setCentralWidget(self.webEngineView)
75        initialUrl = 'http://qt.io'
76        self.addressLineEdit.setText(initialUrl)
77        self.webEngineView.load(QUrl(initialUrl))
78        self.webEngineView.page().titleChanged.connect(self.setWindowTitle)
79        self.webEngineView.page().urlChanged.connect(self.urlChanged)
80
81    def load(self):
82        url = QUrl.fromUserInput(self.addressLineEdit.text())
83        if url.isValid():
84            self.webEngineView.load(url)
85
86    def back(self):
87        self.webEngineView.page().triggerAction(QWebEnginePage.Back)
88
89    def forward(self):
90        self.webEngineView.page().triggerAction(QWebEnginePage.Forward)
91
92    def urlChanged(self, url):
93        self.addressLineEdit.setText(url.toString())
94
95if __name__ == '__main__':
96    app = QApplication(sys.argv)
97    mainWin = MainWindow()
98    availableGeometry = app.desktop().availableGeometry(mainWin)
99    mainWin.resize(availableGeometry.width() * 2 / 3, availableGeometry.height() * 2 / 3)
100    mainWin.show()
101    sys.exit(app.exec_())
102