linux-kernel - Re: [PATCH 2/3] menuconfig: reclaim horizontal space

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Date:   Mon, 13 Mar 2023 22:27:01 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     masahiroy@...nel.org, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] menuconfig: reclaim horizontal space

On Sun, Mar 12, 2023 at 05:29:24PM -0700, Randy Dunlap wrote:
> On 3/11/23 03:42, Alexey Dobriyan wrote:
> > Draw the menu box from position (0, 2) so that there is less unused
> > space available. Horizontal is not _really_ important but on small
> > terminals maybe it is.
> 
> ISTM that the first sentence goes with patch 3/3. ??
> 
> > Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
> > ---
> >  scripts/kconfig/lxdialog/menubox.c | 1 -
> >  1 file changed, 1 deletion(-)
> > 
> > diff --git a/scripts/kconfig/lxdialog/menubox.c b/scripts/kconfig/lxdialog/menubox.c
> > index 5c3addad89b0..5eb67c04821f 100644
> > --- a/scripts/kconfig/lxdialog/menubox.c
> > +++ b/scripts/kconfig/lxdialog/menubox.c
> > @@ -184,7 +184,6 @@ int dialog_menu(const char *title, const char *prompt,
> >  		return -ERRDISPLAYTOOSMALL;
> >  
> >  	height -= 4;
> > -	width  -= 5;
> 
> How does this work?  In my test patch, I changed 5 to 4 to recover/reclaim the
> shadow line.  To my surprise, I don't see any negative issue with this change,
> but I am perplexed by it.

Ehh? It is calculated as (getmaxx - width) / 2, so both 5 or 4 do
the same thing.

> Anyway, it worked in my testing.
> 
> Tested-by: Randy Dunlap <rdunlap@...radead.org>
> 
> >  	menu_height = height - 10;
> >  
> >  	max_choice = MIN(menu_height, item_count());
> 
> Thanks.
> -- 
> ~Randy