-
-
Save POMXARK/c9603fa9d1720ed00f6d4c5b866b4e57 to your computer and use it in GitHub Desktop.
pyqt webview javascript -> python example qtwebchannel PySide6 QWebChannel QWebEngineView
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <html> | |
| <head> | |
| <script src="qrc:///qtwebchannel/qwebchannel.js"></script> | |
| <style> | |
| ::selection { | |
| background: transparent; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <div class="container"> | |
| <h1>Hi!</h1> | |
| </div> | |
| <script> | |
| new QWebChannel(qt.webChannelTransport, function (channel) { | |
| window.handler = channel.objects.handler; | |
| handler.test(function (retVal) { | |
| // console.error as console.log message don't show up in the python console | |
| console.error(JSON.stringify(retVal)); | |
| }) | |
| handler.send_to_server('hello') | |
| }); | |
| </script> | |
| </body> | |
| </html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import json | |
| from PySide6.QtWidgets import QApplication | |
| from PySide6.QtWebEngineWidgets import QWebEngineView | |
| from PySide6.QtWebChannel import QWebChannel | |
| from PySide6.QtCore import QObject, Slot, QUrl, QJsonValue | |
| import os | |
| class CallHandler(QObject): | |
| @Slot(result=str) | |
| def test(self): | |
| print('call received') | |
| return json.dumps({"abc": "def", "ab": 22}) | |
| # take an argument from javascript - JS: handler.send_to_server('hello!') | |
| @Slot(QJsonValue) | |
| def send_to_server(self, *args): | |
| print('i got') | |
| print(args) | |
| for arg in args: | |
| print(arg.toString()) | |
| class WebView(QWebEngineView): | |
| def __init__(self): | |
| super(WebView, self).__init__() | |
| self.channel = QWebChannel() | |
| self.handler = CallHandler() | |
| self.channel.registerObject('handler', self.handler) | |
| self.page().setWebChannel(self.channel) | |
| file_path = os.path.abspath(os.path.join(os.path.dirname(__file__), "index.html")) | |
| local_url = QUrl.fromLocalFile(file_path) | |
| self.load(local_url) | |
| if __name__ == "__main__": | |
| app = QApplication([]) | |
| view = WebView() | |
| view.show() | |
| app.exec_() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment