GNU bug report logs - #28194
text-scale-adjust should show current accumulated scale factor

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: bug-gnu-emacs <at> gnu.org
Subject: text-scale-adjust should show current accumulated scale factor
Date: Wed, 23 Aug 2017 09:06:43 +0800

C-x C-= runs the command text-scale-adjust.

It should give some feedback, in the minibuffer,
about the current accumulated scale factor etc.
E.g., the user repeats the command using '=', but nothing on the screen
changes until each fifth '='. In the meantime a running tally of the
current accumulated scale factor could be shown in the minibuffer so the
user knows the command is indeed doing something.

Also when the fonts get bigger (e.g., every fifth '=') have a message
saying what new font has been used.

Message #8 received at 28194 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>,
 28194 <at> debbugs.gnu.org
Subject: RE: bug#28194: text-scale-adjust should show current accumulated
 scale factor
Date: Tue, 22 Aug 2017 18:33:20 -0700 (PDT)

> C-x C-= runs the command text-scale-adjust.
> 
> It should give some feedback, in the minibuffer,
> about the current accumulated scale factor etc.
> E.g., the user repeats the command using '=', but nothing on the screen
> changes until each fifth '='. In the meantime a running tally of the
> current accumulated scale factor could be shown in the minibuffer so the
> user knows the command is indeed doing something.
> 
> Also when the fonts get bigger (e.g., every fifth '=') have a message
> saying what new font has been used.

Dunno if this responds to your request, but the mode line shows
(in the minor-mode lighter area) +1, +2, +3, or -1, -2, -3, when
you scale up or down.

Message #11 received at 28194 <at> debbugs.gnu.org (full text, mbox):

From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 28194 <at> debbugs.gnu.org
Subject: Re: bug#28194: text-scale-adjust should show current accumulated
 scale factor
Date: Wed, 23 Aug 2017 22:49:19 +0800

>>>>> "DA" == Drew Adams <drew.adams <at> oracle.com> writes:

DA> Dunno if this responds to your request, but the mode line shows
DA> (in the minor-mode lighter area) +1, +2, +3, or -1, -2, -3, when
DA> you scale up or down.

Yes I see (Fundamental +2) etc. using a vanilla emacs,
but none of that when used with my
http://jidanni.org/comp/configuration/

Message #14 received at 28194 <at> debbugs.gnu.org (full text, mbox):

From: Drew Adams <drew.adams <at> oracle.com>
To: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Cc: 28194 <at> debbugs.gnu.org
Subject: RE: bug#28194: text-scale-adjust should show current accumulated
 scale factor
Date: Wed, 23 Aug 2017 08:51:15 -0700 (PDT)

> DA> Dunno if this responds to your request, but the mode line shows
> DA> (in the minor-mode lighter area) +1, +2, +3, or -1, -2, -3, when
> DA> you scale up or down.
> 
> Yes I see (Fundamental +2) etc. using a vanilla emacs,
> but none of that when used with my
> https://urldefense.proofpoint.com/v2/url?u=http-
> 3A__jidanni.org_comp_configuration_&d=DwIBAg&c=RoP1YumCXCgaWHvlZYR8PQcxBKCX5
> YTpkKY057SbK10&r=qZLZosY6GBAaJtOG9v8QX7nD4BS9t9s5otgxC3d4IFU&m=zPJux4dRjQaJC
> HxUy07L8mQfbJe4IpMUo8ARbDDUNAQ&s=FC4EBvkjlxsIaa2XhH17QNg-
> HLyf7viK9ugT8apdsWw&e=

In that case, it's pilot error. ;-)  You are (apparently)
shooting yourself in the foot.  Don't do that. ;-)

Message #17 received at 28194 <at> debbugs.gnu.org (full text, mbox):

From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: Drew Adams <drew.adams <at> oracle.com>
Cc: 28194 <at> debbugs.gnu.org
Subject: Re: bug#28194: text-scale-adjust should show current accumulated
 scale factor
Date: Thu, 24 Aug 2017 00:00:17 +0800

>>>>> "DA" == Drew Adams <drew.adams <at> oracle.com> writes:

DA> In that case, it's pilot error. ;-)  You are (apparently)
DA> shooting yourself in the foot.  Don't do that. ;-)

I think it is more likely an emacs bug, that something I set in my
http://jidanni.org/comp/configuration/.emacs
wipes out the functionality.

Message #20 received at 28194 <at> debbugs.gnu.org (full text, mbox):

From: Stefan Kangas <stefan <at> marxist.se>
To: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Cc: 28194 <at> debbugs.gnu.org, Drew Adams <drew.adams <at> oracle.com>
Subject: Re: bug#28194: text-scale-adjust should show current accumulated
 scale factor
Date: Sun, 29 Sep 2019 03:49:03 +0200

tags 28194 + moreinfo
quit

積丹尼 Dan Jacobson <jidanni <at> jidanni.org> writes:

>>>>>> "DA" == Drew Adams <drew.adams <at> oracle.com> writes:
>
> DA> In that case, it's pilot error. ;-)  You are (apparently)
> DA> shooting yourself in the foot.  Don't do that. ;-)
>
> I think it is more likely an emacs bug, that something I set in my
> http://jidanni.org/comp/configuration/.emacs
> wipes out the functionality.

Could you please provide a minimal recipe for how to reproduce this,
starting from "emacs -Q"?

Best regards,
Stefan Kangas

Message #27 received at 28194-done <at> debbugs.gnu.org (full text, mbox):

From: 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
To: Stefan Kangas <stefan <at> marxist.se>
Cc: 28194-done <at> debbugs.gnu.org, Drew Adams <drew.adams <at> oracle.com>
Subject: Re: bug#28194: text-scale-adjust should show current accumulated
 scale factor
Date: Sun, 29 Sep 2019 12:19:36 +0800

OK I just did dired /tmp and saw the number in the modeline. Closing.

Message #30 received at 28194 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Stefan Kangas <stefan <at> marxist.se>
Cc: 28194 <at> debbugs.gnu.org,
 積丹尼 Dan Jacobson <jidanni <at> jidanni.org>
Subject: Re: bug#28194: text-scale-adjust should show current accumulated
 scale factor
Date: Mon, 07 Oct 2019 21:18:35 +0300

reopen 28194
quit

>> I think it is more likely an emacs bug, that something I set in my
>> http://jidanni.org/comp/configuration/.emacs
>> wipes out the functionality.
>
> Could you please provide a minimal recipe for how to reproduce this,
> starting from "emacs -Q"?

I can reproduce this bug.  Running either "emacs -Q" or without "-Q"
after loading all customizations from init file it works correctly:

1. C-x C-=
2. there is "+1" in the mode-line
3. and evaluation results:

text-scale-mode
=> t

text-scale-mode-lighter
=> "+1"

(assq 'text-scale-mode minor-mode-alist)
=> (text-scale-mode (" " text-scale-mode-lighter))

But after several hours of active Emacs session
this feature breaks and doesn't work anymore even in new buffers:

4. C-x b new-buffer RET
5. C-x C-=
6. there is NO "+1" in the mode-line
7. and evaluation results:

text-scale-mode
=> t

text-scale-mode-lighter
=> "+1"

(assq 'text-scale-mode minor-mode-alist)
=> nil

Since this feature is so unreliable, maybe we should duplicate
the scale factor information in two places: in the mode-line
and in the message in the echo area.

Stefan, after you pushed your patch that supports changing font size
using mouse wheel, now would it make sense to do also what web browsers do
- on pressing C-+ they momentarily display information about new percentage
in a small window.  In Emacs this information could be added to the message
in the echo area, e.g. replace

  (message "Use +,-,0 for further adjustment")

with

  (message "%s Use +,-,0 for further adjustment" text-scale-mode-lighter)

Message #37 received at 28194 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: 28194 <at> debbugs.gnu.org
Subject: Re: bug#28194: text-scale-adjust should show current accumulated
 scale factor
Date: Wed, 13 Nov 2019 22:50:55 +0200

tags 28194 unreproducible
close 28194 27.0.50
quit

>>> I think it is more likely an emacs bug, that something I set in my
>>> http://jidanni.org/comp/configuration/.emacs
>>> wipes out the functionality.
>>
>> Could you please provide a minimal recipe for how to reproduce this,
>> starting from "emacs -Q"?
>
> I can reproduce this bug.  Running either "emacs -Q" or without "-Q"
> after loading all customizations from init file it works correctly:

This can't be reproduced anymore, so I suppose it's fixed.

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