GNU bug report logs - #50642
27.2; autoload xref-pulse-momentarily

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Message #11 received at 50642 <at> debbugs.gnu.org (full text, mbox):

From: Howard Melman <hmelman <at> gmail.com>
To: Dmitry Gutov <dgutov <at> yandex.ru>
Cc: 50642 <at> debbugs.gnu.org
Subject: Re: bug#50642: 27.2; autoload xref-pulse-momentarily
Date: Fri, 17 Sep 2021 21:48:47 -0400

On Sep 17, 2021, at 8:14 PM, Dmitry Gutov <dgutov <at> yandex.ru> wrote:
> 
> Well, um. I don't really mind but xref-pulse-momentarily was designed to pulse after a jump to an xref location. That's why it refers to xref--current-item in its implementation.
> 
> It does fall back to pulsing the whole line, so I suppose it can be useful in other cases too.
> 
> But maybe Counsel wants to provide its own version of this function? It can call xref-pulse-momentarily after xref navigations, but maybe do some more useful fallbacks for other commands? I'm not sure which other kinds of jumps consult-after-jump-hook also handles.

I'm not the consult author, but given that it doesn't actually use a pulse function, it just suggests one possible one, I doubt it will.

It looked to me in some cases consult wasn't pulsing the whole line but rather just a symbol, but perhaps I'm mistaken (I can't seem to get it to do so now).  It uses this hook in various grep/imenu/outline/etc. navigation commands.

I do still think it would be nice for pulse.el to define a function suitable for use in a jump-like hook that take no arguments and pulses the current line or maybe symbol.  The former is trival, but if pulse-momentary-highlight-one-line allowed it's POINT argument to be optional, emacs could provide it for everyone.  It seems like in Emacs 27 all the callers of it just pass (point) anyway.

Or maybe pulse-line-hook-function is supposed to be this?  In which case it should be autoloaded and pulse-command-advice-flag should be a defcustom and have a docstring?

Howard

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