[PyQt] stuck on non-modal dialog

[Phil Thompson]

On Wednesday 23 May 2007 3:18 pm, David J Brooks wrote:
> On Wednesday 23 May 2007 02:22:41 am Phil Thompson wrote:
> > On Wednesday 23 May 2007 2:20 am, David J Brooks wrote:
> > > I'm sure I must be overlooking something obvious, but I don't see it.
> > >
> > > Ive set up a main window for MDI and added a Find dialog, with signals
> > > and slots to activate it. The dialog pops up as expected, but is
> > > totally unresponsive. Nothing typing into its lineEdit does nothing,
> > > buttons don't seem to 'click'  etc. Worse, it seems to hang the
> > > application, requiring a killall -9 python to close it. What am I not
> > > seeing?
> > >
> > > class MainWindow(QtGui.QMainWindow):
> > >     def __init__(self, fileName=None, parent=None):
> > >         QtGui.QMainWindow.__init__(self, parent)
> > >         self.ui=Ui_MainWindow()
> > >         self.ui.setupUi(self)
> > >         self.workspace=QtGui.QWorkspace(self)
> > >         self.setCentralWidget(self.workspace)
> > >         self.finder=findDialog()
> > >         self.connect(self.ui.actionFind, QtCore.SIGNAL("triggered()"),
> > > self.findWord)
> > >
> > >     def findWord(self):
> > >         self.finder.show()
> > >         self.workspace.setActiveWindow(self.finder)
> > >
> > >
> > > class findDialog(QtGui.QDialog):
> > >     def __init__(self, parent=None):
> > >         QtGui.QDialog.__init__(self, parent)
> > >         self.ui=Ui_findDialog()
> > >         self.ui.setupUi(self)
> > >         self.setModal=(False)
> >
> > You might want to look at the line above.
>
> I'm looking, but I'm not sure what I'm meant to see. setModal(False)
> shouldn't do anything at all, because the dialog should be non-modal by
> default.

That's not what the line says.

> Removing the line in question does not make the dialog responsive. 
> Setting it to True (and changing the show method to exec_) provides a
> responsive modal dialog that still does not return control back to the
> application.

I'm not saying that that line is the cause of the problem, just that (as 
posted) it is wrong.

Phil