Created
January 20, 2012 13:36
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Demonstrate how to expose a PyQt object to QWebView
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| import sys | |
| from PyQt4.QtCore import * | |
| from PyQt4.QtGui import * | |
| from PyQt4.QtWebKit import * | |
| class Foo(QObject): | |
| @pyqtSlot(int, result=int) | |
| def compute(self, value): | |
| return value * 2 | |
| @pyqtSlot() | |
| def quit(self): | |
| QApplication.quit() | |
| class Window(QWidget): | |
| def __init__(self): | |
| super(Window, self).__init__() | |
| view = QWebView(self) | |
| layout = QVBoxLayout(self) | |
| layout.addWidget(view) | |
| self.foo = Foo(self) | |
| view.page().mainFrame().addToJavaScriptWindowObject("foo", self.foo) | |
| view.setHtml(""" | |
| <html> | |
| <script> | |
| function updateEntry() { | |
| var element = document.getElementById("entry"); | |
| var result = foo.compute(element.value); | |
| element.value = result; | |
| } | |
| </script> | |
| <body> | |
| <div> | |
| <input type="text" id="entry"/> | |
| <input type="button" value="Compute" onclick="updateEntry()"/> | |
| </div> | |
| <div> | |
| <input type="button" value="Quit" onclick="foo.quit()"/> | |
| </div> | |
| </body> | |
| </html> | |
| """) | |
| if __name__ == "__main__": | |
| app = QApplication(sys.argv) | |
| window = Window() | |
| window.show() | |
| app.exec_() |
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