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From: Ihor Radchenko <yantar92@gmail.com>
To: Lars Ingebrigtsen <larsi@gnus.org>
Cc: Stefan Kangas <stefankangas@gmail.com>,
	Arthur Miller <arthur.miller@live.com>,
	emacs-devel@gnu.org
Subject: Re: Patch proposal: display symbol source code in help buffers
Date: Tue, 21 Sep 2021 14:59:05 +0800	[thread overview]
Message-ID: <87mto6ifd2.fsf@localhost> (raw)
In-Reply-To: <87sfxyftrw.fsf@gnus.org>

[-- Attachment #1: Type: text/plain, Size: 582 bytes --]

Lars Ingebrigtsen <larsi@gnus.org> writes:

> Ihor Radchenko <yantar92@gmail.com> writes:
>
>> That would make sense. Yet, even without narrowing, I personally do not
>> like that the point moves from the defun I am working on to other
>> function definition.
>
> Yes, that is pretty annoying.  Perhaps
> `help-function-def--button-function' should push-mark before going to
> the position?  Then `C-x C-x' would bring you back to where you were...

I like this idea. Maybe we can simply change the default value of
find-function-after-hook like in the attached patch?

Best,
Ihor


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From 31f841b1e3921f7b2039656ed8f409b3b715741f Mon Sep 17 00:00:00 2001
Message-Id: <31f841b1e3921f7b2039656ed8f409b3b715741f.1632207397.git.yantar92@gmail.com>
From: Ihor Radchenko <yantar92@gmail.com>
Date: Tue, 21 Sep 2021 14:50:52 +0800
Subject: [PATCH] Save position in mark ring before jumping to definition

* lisp/emacs-lisp/find-func.el (find-function-after-hook): `push-mark'
is added to default value of the hook.

Following up:
https://lists.gnu.org/archive/html/emacs-devel/2021-09/msg01561.html
---
 etc/NEWS                     | 3 +++
 lisp/emacs-lisp/find-func.el | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/etc/NEWS b/etc/NEWS
index 2bdcb6434b..2132e8babc 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -648,7 +648,10 @@ clicking the "X" icon in the tool bar.
 
 ---
 *** 'g' ('revert-buffer') in 'help-mode' no longer requires confirmation.
+*** Jumping to function/variable source now saves mark before moving point
+Jumping to source from "*Help*" buffer moves the point when the source buffer is already open.  Now, the old point is pushed to mark ring.
 
+---
 ** File Locks
 
 +++
diff --git a/lisp/emacs-lisp/find-func.el b/lisp/emacs-lisp/find-func.el
index 303039d653..b984fb3870 100644
--- a/lisp/emacs-lisp/find-func.el
+++ b/lisp/emacs-lisp/find-func.el
@@ -165,7 +165,7 @@ find-function-recenter-line
   :group 'find-function
   :version "20.3")
 
-(defcustom find-function-after-hook nil
+(defcustom find-function-after-hook '(push-mark)
   "Hook run after finding symbol definition.
 
 See the functions `find-function' and `find-variable'."
-- 
2.32.0


  reply	other threads:[~2021-09-21  6:59 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-19 19:50 Patch proposal: display symbol source code in help buffers Arthur Miller
2021-09-20  5:46 ` Lars Ingebrigtsen
2021-09-20  6:09   ` Stefan Kangas
2021-09-20  6:14     ` Lars Ingebrigtsen
2021-09-20  7:17       ` Ihor Radchenko
2021-09-20  7:43         ` Stefan Kangas
2021-09-20  8:29           ` martin rudalics
2021-09-20  9:04           ` Ihor Radchenko
2021-09-20 23:45             ` Arthur Miller
2021-09-21  4:16             ` Lars Ingebrigtsen
2021-09-21  6:59               ` Ihor Radchenko [this message]
2021-09-21  7:41                 ` Stefan Kangas
2021-09-21  8:38                   ` Eli Zaretskii
2021-09-21  9:17                     ` Ihor Radchenko
2021-09-21 16:49                       ` Lars Ingebrigtsen
2021-10-01  7:05                         ` Ihor Radchenko
2021-10-01  7:09                           ` Lars Ingebrigtsen
2021-10-01  7:21                             ` Ihor Radchenko
2021-10-01  7:21                               ` Lars Ingebrigtsen
2021-10-01  9:04                                 ` Ihor Radchenko
2021-10-01 12:20                                   ` Lars Ingebrigtsen
2021-10-01  7:24                           ` Eli Zaretskii
2021-10-01  9:08                             ` Ihor Radchenko
2021-10-01 10:24                               ` Eli Zaretskii
2021-10-01 14:14                                 ` Ihor Radchenko
2021-09-21  8:34               ` martin rudalics
2021-09-20 15:01           ` Arthur Miller
2021-09-21  7:41             ` Stefan Kangas
2021-09-20 15:27         ` Arthur Miller
2021-09-20  6:47     ` Eli Zaretskii
2021-09-20 15:27       ` Arthur Miller
2021-09-20 14:55     ` Arthur Miller
2021-09-21  4:18       ` Lars Ingebrigtsen
2021-09-21 10:26         ` Arthur Miller
2021-09-20 15:23   ` Arthur Miller
2021-09-20  5:59 ` Eli Zaretskii
2021-09-20  6:37   ` Gregor Zattler
2021-09-20  7:01     ` Eli Zaretskii
2021-09-20 15:21       ` Arthur Miller
2021-09-20  8:21     ` martin rudalics
2021-09-20 18:13       ` Arthur Miller
2021-09-21  8:34         ` martin rudalics
2021-09-21 10:24           ` Arthur Miller
2021-09-21 16:52             ` martin rudalics
2021-09-21 18:56               ` Arthur Miller
2021-09-21 17:30           ` Juri Linkov
2021-09-21 19:13             ` Arthur Miller
2021-09-22  7:49               ` martin rudalics
2021-09-22 16:04                 ` Juri Linkov
2021-09-22 17:52                   ` martin rudalics
2021-09-23  8:15                     ` martin rudalics
2021-09-23 15:52                       ` Juri Linkov
2021-09-26  9:10                         ` martin rudalics
2021-09-22 22:38                 ` Arthur Miller
2021-09-23  8:22                   ` martin rudalics
2021-09-20 12:19     ` Dmitry Gutov
2021-09-20 15:13       ` Arthur Miller
2021-09-20 15:11   ` Arthur Miller

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