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>
>
> On Fri, Mar 28, 2003 at 08:29:45AM +0100, Maik Hertha wrote:
> > > Really? Can't you just use connect() and return True
> when a double
> > > click is performed (event.type == gtk.gdk._2BUTTON_PRESS)?
> > >
> > Then I need a little assistance. The current situation is:
> > - - the double-click propagates a button.clicked() signal
> to raise a
> > dialog-window
> > - - the dialog-window pops up and is transient to the parent-window.
>
> Sounds pretty normal to me. So it's button_press_event and
> then window.show().
>
> > At this point I get a X-Server deadlock. This could only be solved
>
> Eh? This doesn't sound right. Isn't it just your app that hanged?
Yes, true. But the X-Server too (Mandrake9.0/XFree4.2/KDE3.0).
>
> > with ctrl-alt-backsp. I mention that if the click-signal of the
> > button is triggered, the function never returns while the dialog is
> > up. Yes, the dialog would create its own mainloop. In 1.2
> this problem
> > was solved with a w.connect_after(). How to do in 2.0? I think
> > starting an extra thread is a little bit beyond the goal.
>
> A connect_after() to do what?
Show the dialog, start the new mainloop in dialogs-context, quit the dialog and return
values. Update the mainwindow.
- --- snippet
class BaseDialog( gtk.Dialog ):
''' basisklasse für dialoge '''
def __init__(self, parent=None):
gtk.Dialog.__init__( self )
self.connect('delete_event', self.quit)
self.set_position( gtk.WIN_POS_CENTER ) # in der bildschirmmitte
#gtk.grab_add(self)
if parent:
self.set_transient_for( parent ) # vor dem elternfenster
self.set_modal( TRUE )
self.msg_area = gtk.VBox()
self.vbox.pack_start( self.msg_area )
def quit(self, *args):
''' die abarbeitung '''
self.hide()
self.destroy()
gtk.mainquit()
def run(self):
''' versetzt die funktion in die ablaufschleife '''
self.show_all()
gtk.mainloop() # ende abwarten
class SimpleDialog(BaseDialog):
def __init__(self, parent=None):
BaseDialog.__init__(self, parent)
....
class PrinterOptionsDialog(SimpleDialog):
''' klasse für die definition der drucker optionen '''
def __init__(self, parent=None, printer=None):
SimpleDialog.__init__(self, parent)
....
Main_appwindow defines:
self.set_options_button.connect('clicked', self.onSetOptionsClicked)
self.user_printers_clist.connect('select-row', self.onRowSelected)
self.user_printers_clist.connect('unselect-row', self.onRowSelected)
#self.user_printers_clist.connect('button_press_event',
self.onRowBtn2Clicked) <<< deadlocks the X-Server
self.user_printers_clist.connect_after('button_press_event',
self.onRowBtn2Clicked)
def onRowBtn2Clicked(self, clist, ev):
''' verarbeitet doppelklicks auf die zeilen '''
print clist.selection, ev.button, ev.type
if not clist.selection:
return
data = clist.get_row_data( clist.selection[0] )
if ev.button == 1 and ev.type == 5:
self.set_options_button.clicked() <<< trigger
the options dialog signal in the context
return FALSE # of the
current event_scope
def onSetOptionsClicked(self, btn):
''' rufe den options dialog für den aktuell selektierten Drucker '''
_cl = self.user_printers_clist
_pr = _cl.get_row_data( _cl.selection[0] )
#print 'onSetOptionsClicked: ', _pr.name
dlg = PrinterOptionsDialog(self, _pr)
newopts = dlg.run() <<<< dialog is shown,
but kills the app if only w.connect(..
# if w.connect_after(.. It
is done as expected.
_pr.mf2def.options = newopts.split(',')
#print 'onSetOptionsClicked: ', newopts, ' to ', _pr.mf2def.options
self.setApplyActive() # änderungen übernehmen aktivieren
- ---- snippet/.
Hope it is clear enough.
Thank you for your help.
- --maik./
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