[PyQt] Problem with class inheriting QDialog

[Mark Summerfield]

On 2009-11-20, dizou wrote:
> Dialog.py:
> 
> import sys
> from PyQt4.QtGui import QDialog
> 
> def Dialog(QDialog):

I assume that's a typo above and that you've really got:

    class Dialog(QDialog):

> 	def __init__(self, parent):
> 		QDialog.__init__(self, parent)
> 
> MainWindow.py:
> 
> from PyQt4.QtCore import SIGNAL, SLOT, QDir, QFile
> from PyQt4.QtGui import QApplication, QMainWindow, QMenu, QMessageBox, \
>      QWidget, qApp, QAction, QFileDialog, QPushButton
> from Dialog import *
> 
> class MainWindow(QMainWindow):
>     def __init__(self):

And as David Douard mentioned, you must do

	super().__init__(self) # or similar

>         #stuff
>         self.editButton = QPushButton(self)
>         self.connect(self.editButton, SIGNAL("clicked()"),
> self.EditButtonClicked)
>     def EditButtonClicked(self):
>         self.dialog = Dialog(self)
>         print type(self.dialog)
>         self.dialog.exec_()
> 


-- 
Mark Summerfield, Qtrac Ltd, www.qtrac.eu
    C++, Python, Qt, PyQt - training and consultancy
        "Programming in Python 3 (Second Edition)" - ISBN 0321680561