Re: Handle SpinButton Signals

[Michael J M Thomson <mjmt07 internode on net>]

Xavier Larrode wrote:
> Murray Cumming a �it :
> > On Fri, 2007-02-16 at 11:58 +0100, Xavier Larrode wrote:
> >  
> > > Hi all,
> > > I have made a dialog with several spinButton, and i have a callback 
> > > with the value_changed signal.
> > > My problem is that i only want that callback, when the user is using 
> > > the spinButton and not when i set the value with set_value...
> > > Any idea how i can handle that ?
> > >     
> >
> > In these situations, I use a boolean. For instance:
> >
> > ...
> > m_dont_handle_spinbutton_signal = true;
> > spin_button_set_value(...)
> > m_dont_handle_spinbutton_signal = false;
Why not use a sigc::connection? Then you can just block and unblock it:
spinbutton_value_changed_connection =
spinbutton.signal_value_changed().connect(...);

spinbutton_value_changed_connection.block();
spinbutton.set_value(...);
spinbutton_value_changed_connection.unblock();