[emms-help] Display a message when user wants to use the browser with disabled/empty cache

[Tassilo Horn]

Hi all,

since not all new users will read the docs (at least the quickstart
guide), it would be good to display a message like the one Jay suggests
in his posting below when he tries to use the browser.

Bye,
Tassilo

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> Subject: 
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> Re: emms help
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> Date: 
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> Sun, 04 Mar 2007 18:35:40 -0600
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> Gnus/5.11 (Gnus v5.11) Emacs/22.0.95 (gnu/linux)
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> Hadron <address@hidden> writes:
> ...
> > Yup. In emacs world, people sometimes forget the little guy and the fact
> > that not everyone has the time or patience to read a whole lisp manual
> > to do something as mundane as expect a function called "emms-browser" to
> > actually "browse" the top level of a directory tree.
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> Directories aren't the only things that are browsed; in this case a
> cache is browsed.  Reading the whole info file for emms isn't
> necessary; the "Basic commands" page should get you started listening
> to music.  That page contains plenty of "emms-play-..." commands.
> But it wouldn't be a bad idea (in my opinion) if when emms tries to
> browse an empty cache a short help screen popped up; something like
>   Welcome to EMMS.
>   The emms cache, which contains the songs that emms can browse, is
>   currently empty.  To populate it, you may wish to use one of the
>   following commands:
>   M-x emms-add-directory-tree:  Add all music files contained in a
>       directory or its subdirectories.
>   M-x emms-add-directory:  Add all music files contained in a directory.
>   M-x emms-add-file:  Add a single music file.
>   etc."
>
> Jay
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