[PyQt] Problem with signature to use JavaScript

[projetmbc]

Hello, I'm trying to interact with JavaScript. I'm trying to modify the 
code found here : 
http://www.mail-archive.com/pyqt@riverbankcomputing.com/msg13619.html .

My purpose is just to know on which picture the user has clicked.

Christophe who is drowning.... :-)

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# -*- coding: utf-8 -*-
#!/usr/bin/env python

# Source : http://www.mail-archive.com/pyqt@riverbankcomputing.com/msg13619.html

# On importe les bibliothèques que nous allons utiliser.
import sys
from PyQt4 import QtCore, QtGui
from PyQt4 import QtWebKit
# On importe notre boîte de dialogue.
from WebView import Ui_dial_Projet2


class PythonJS(QtCore.QObject):
    def __init__(self):
        QtCore.QObject.__init__(self, QtGui.qApp)
        self.setObjectName("versPyqt")

    @QtCore.pyqtSignature("QString")
    def alert(self, msg):
        print "Message de vers Pyqt"
        print msg


class dial_Projet2(QtGui.QDialog, Ui_dial_Projet2):
    def __init__(self):
        QtGui.QDialog.__init__(self)
        Ui_dial_Projet2.__init__(self)
        self.setupUi(self)

        self.connect(self.bout_ok, QtCore.SIGNAL("clicked()"), self.change)

        self.webView.setUrl(QtCore.QUrl("TestJavaScriptToPyQt.html"))

        self.webView.page().mainFrame().addToJavaScriptWindowObject("versPyQt", PythonJS())
        
    def change(self):
        print 'clic'


if __name__ == "__main__":
    import sys
    app = QtGui.QApplication(sys.argv)
    testFichier = dial_Projet2()
    testFichier.show()
    sys.exit(app.exec_())



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# -*- coding: utf-8 -*-

# Form implementation generated from reading ui file 'C:\Documents and Settings\Christophe\Mes documents\2,pyBaNaMa\Deb_PythonEtPyQT\CodesProjets\99-WebViev-JavaScript\JQueryTest.ui     '
#
# Created: Fri Apr 24 11:04:06 2009
#      by: PyQt4 UI code generator 4.4.4
#
# WARNING! All changes made in this file will be lost!

from PyQt4 import QtCore, QtGui

class Ui_dial_Projet2(object):
    def setupUi(self, dial_Projet2):
        dial_Projet2.setObjectName("dial_Projet2")
        dial_Projet2.resize(805, 639)
        dial_Projet2.setAutoFillBackground(True)
        self.verticalLayout = QtGui.QVBoxLayout(dial_Projet2)
        self.verticalLayout.setObjectName("verticalLayout")
        self.bout_ok = QtGui.QPushButton(dial_Projet2)
        self.bout_ok.setObjectName("bout_ok")
        self.verticalLayout.addWidget(self.bout_ok)
        self.webView = QtWebKit.QWebView(dial_Projet2)
        self.webView.setUrl(QtCore.QUrl("about:blank"))
        self.webView.setObjectName("webView")
        self.verticalLayout.addWidget(self.webView)

        self.retranslateUi(dial_Projet2)
        QtCore.QMetaObject.connectSlotsByName(dial_Projet2)

    def retranslateUi(self, dial_Projet2):
        dial_Projet2.setWindowTitle(QtGui.QApplication.translate("dial_Projet2", "Projet n°2", None, QtGui.QApplication.UnicodeUTF8))
        self.bout_ok.setText(QtGui.QApplication.translate("dial_Projet2", "PushButton", None, QtGui.QApplication.UnicodeUTF8))

from PyQt4 import QtWebKit

if __name__ == "__main__":
    import sys
    app = QtGui.QApplication(sys.argv)
    dial_Projet2 = QtGui.QDialog()
    ui = Ui_dial_Projet2()
    ui.setupUi(dial_Projet2)
    dial_Projet2.show()
    sys.exit(app.exec_())

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