[pygtk] Problem with Notebook

[John Finlay]

Frédéric wrote:
> Hello,
>
> I use a Notebook widget. I added the following callback to 
> the 'switch-page' signal:
>
> def __onNoteBookSwitchedPage(self, widget, page, page_num):
>     if page_num == 0 and self._model.camera.lens.type_ == 'fisheye':
>         controller = WarningMessageController(_("Warning"),
>                                               _("Can't set shooting mode"))
>         controller.run()
>         self.notebook.set_current_page(1) # Does not work!!!
>     else:
>         if page_num == 0:
>             self._model.mode = 'mosaic'
>         else:
>             self._model.mode = 'preset'
>
> As you can see, depending of a config. parameter 
> (self._model.camera.lens.type_), I show a warning saying that the selected 
> TAB can't be used. I would like to stay on the current tab, but as soon as 
> the warning is closed, the selected tab is shown; the 
> self.notebook.set_current_page(1) call does not seem to work. Why ? If I 
> change some widgets, here, it works; why not the Notebook?
>
> Thanks,
>
>   
Since you just want to stay on the same page (assuming you mean the 
currently displayed page) then you should be able to stop the emission 
of the 'switch-page' signal using:

self.notebook.stop_emission('switch-page')

which will prevent the page change.

John