GNU bug report logs - #32307
[feature request] Add standard hooks to toggle common features

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

From: Fu Yuan <casouri <at> gmail.com>
To: <bug-gnu-emacs <at> gnu.org>
Subject: [feature request] Add standard hooks to toggle common features
Date: Mon, 30 Jul 2018 00:52:14 +0000 (UTC)

[Message part 1 (text/plain, inline)]

  
  


  
  
  
    
    	
    	By "standard features" I mean line numbering, format on save, auto-parens, etc.
The current situation have these downsides:
1. complexity in configuration.
Some of the packages that provide these features also provide toggling command,e.g. toggle-line-number or autoparens-mode.However, some __are not__, e.g. format on save.Toggling such feature requires users to implement their own commands.What's worse, they need to implement a toggling commandfor __each and every__ language.
2. problem when other package needs to toggle
For example, I wrote a package that needs to temporarily disable auto-parens.I have to write code that handles electric-pair-mode, autoparens and paredit.Further more, byte compiler is not happybecause I was referring functions it doesn't know about.
Here is my thought about it:
Provide toggle commands and corresponding hook for each of these features.Feature providers add their toggle function to the proper hook.When user toggles on/off, the toggle command runs each functionin the hook with an aregument indicating that user is turning on or turning off,maybe t and nil.
How do you think? Have there been similar discussions?


    	

    	Sincerely, Yuan
    
  

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Message #8 received at 32307 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Fu Yuan <casouri <at> gmail.com>
Cc: 32307 <at> debbugs.gnu.org
Subject: Re: bug#32307: [feature request] Add standard hooks to toggle
 common features
Date: Sat, 13 Jul 2019 05:15:17 +0200

Fu Yuan <casouri <at> gmail.com> writes:

> 2. problem when other package needs to toggle
>
> For example, I wrote a package that needs to temporarily disable auto-parens.
> I have to write code that handles electric-pair-mode, autoparens and paredit.
> Further more, byte compiler is not happy
> because I was referring functions it doesn't know about.

You can use declare-function to tell the compiler about the functions.

> Here is my thought about it:
>
> Provide toggle commands and corresponding hook for each of these features.
> Feature providers add their toggle function to the proper hook.
> When user toggles on/off, the toggle command runs each function
> in the hook with an aregument indicating that user is turning on or turning off,
> maybe t and nil.

I'm not quite sure I understand you here.  The vast majority of modes
can be called with an argument to turn them off or on.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #13 received at 32307 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Fu Yuan <casouri <at> gmail.com>
Cc: 32307 <at> debbugs.gnu.org
Subject: Re: bug#32307: [feature request] Add standard hooks to toggle
 common features
Date: Fri, 27 Sep 2019 18:35:28 +0200

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

>> Here is my thought about it:
>>
>> Provide toggle commands and corresponding hook for each of these features.
>> Feature providers add their toggle function to the proper hook.
>> When user toggles on/off, the toggle command runs each function
>> in the hook with an aregument indicating that user is turning on or
>> turning off,
>> maybe t and nil.
>
> I'm not quite sure I understand you here.  The vast majority of modes
> can be called with an argument to turn them off or on.

More information was requested, but no response was given within a few
months, so I'm closing this bug report.  If the problem still exists,
please reopen this bug report.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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