Re: Use user_data in callback

[Norman L Smith <nls1729 gmail com>]

You need to use Lang.bind.

See 
https://paste.fedoraproject.org/270197/
or
http://ur1.ca/nu9t9


Hope this is useful.

Norman

On Tue, 2015-09-22 at 11:44 +0200, Jay Strict wrote:
> I am writing a gnome-shell extension and I am trying to connect the
> 'activate'-signal of a PopupMenuItem to a callback function like
> this:
>
>
> =====================================================================
> =
> let item = new PopupMenu.PopupMenuItem("test")
> item.connect(
>     'activate',
>     function(emitter, event, user_data) {
>         Main.notifyError("user_data: " + user_data);
>     },
>     "test1",
>     "test2",
>     "test3",
>     "test4");
> this.folderMenu.addMenuItem(item);
> =====================================================================
> =
>
> I expected the output to be "user_data: test1".
> However, when I click on the PopupMenuItem, the output is "user_data:
> undefined".
> How can I assign some user_data to this signal?
>
>
> Thank you in advance.
> Jay
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