From: "Stephan Stahl" <stahl@eos.franken.de>
Cc: Stephan Stahl <stahl@eos.franken.de>, emacs-devel@gnu.org
Subject: Re: show_help_echo truncates unconditionally
Date: Wed, 30 Mar 2005 11:24:44 +0200 (CEST) [thread overview]
Message-ID: <44846.217.194.34.123.1112174684.squirrel@wwws.franken.de> (raw)
In-Reply-To: <E1DGQgf-0003TA-SL@fencepost.gnu.org>
Hi Richard.
Richard Stallman said:
> What job does show_help_echo do? The comment says
[..]
> but that is cryptic and incomprehensible. For instance, it says
> "Display help echo"; what is this "help echo" that it is supposed
> to display?
>
> Under what sort of circumstances does this function get called?
It is called to display information stored in the help-echo property
of strings. For example moving the mouse pointer over the mode-line,
menu entries or some buttons, buffer lines in grep-mode. Normaly
show_help_echo delegates all work to show-help-function. This
mechanism is used to popup tooltips. When show-help-function is nil
(like on text only displays or when tooltip-mode is disabled)
show_help_echo does the job itself by displaying those strings in the
echo-area.
Maybe Stefan can add something to my explaination.
Stephan
--
Stephan Stahl
next prev parent reply other threads:[~2005-03-30 9:24 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-29 6:25 show_help_echo truncates unconditionally Stephan Stahl
2005-03-29 13:40 ` Stefan Monnier
2005-03-29 15:44 ` Stephan Stahl
2005-03-30 0:03 ` Richard Stallman
2005-03-30 9:24 ` Stephan Stahl [this message]
2005-03-31 18:21 ` Richard Stallman
2005-04-01 7:39 ` Stephan Stahl
2005-04-02 4:19 ` Richard Stallman
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