Re: How to make application menu items sensitive/insensitive?

[Phil Wolff <adiabat centurylink net>]

Gio::SimpleAction::set_enabled ( bool )

On 09/13/2015 09:07 AM, Gerardo Ballabio wrote:
> Hello,
> a few weeks ago I asked how to build a Gnome-3 style application menu 
> and got useful answers 
> (https://mail.gnome.org/archives/gtkmm-list/2015-August/msg00008.html). I 
> have now built an application menu into my program.
>
> Now I'm trying to proceed further. I need to turn on and off specific 
> menu items. For example say I have two items "New Game" and "Stop 
> Game" (see attached example). When you are already playing "New Item" 
> should be insensitive and "Stop Game" should be sensitive. When you 
> aren't playing it should be the opposite.
>
> In gtkmm 2, each menu item was connected to a Gtk::Action, and that 
> class has a set_sensitive() method. But in gtkmm 3, at least in the 
> examples that I was shown, actions are added via 
> Gtk::ApplicationWindow::add_action() or Gtk::Application::add_action() 
> (both inherited from Gio::ActionMap), those actions are 
> Gio::SimpleAction, and that class doesn't seem to have a 
> set_sensitive() equivalent.
>
> Can you please help me?
>
> Thanks in advance
>  Gerardo
>
>
>
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