I am trying to disable/inactive some of menu items under GTK+. I have created Menu In GTK+Glade under C, and on some external event I need to disable some of the menu options.
How can I do this?
You can use gtk_widget_set_sensitive(menuitem, true/false)
to disable or enable the menu item widget.
Alternatively, if you used GtkUiManager and GtkAction to build the menu, use gtk_action_set_sensitive()
instead.
Using:
gtk_widget_set_sensitive (menuitem,FALSE); // to gray-out
gtk_widget_set_sensitive (menuitem,TRUE); //to enable
Use with Vala + Gtk:
Gtk.Button play = new Gtk.Button.with_mnemonic("Play");
play.set_sensitive(false); // to gray-out
There is also a checkbox inside Glade to disable the menu item:
Select your menu item --> Common --> Widget Flags --> Uncheck "Sensitive"
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