I should have explained it better, I was asking about associating actions to the "compact" titlebar (or what's called). I guess I need to wait for a proper GTK3

I should have explained it better, I was asking about associating actions to the "compact" titlebar (or what's called). I guess I need to wait for a proper GTK3 "header bar", if it's planned at all... Anyway thanks. Edit: in Chrome/Chromium works as I expected, I think I should file a bug then.