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From: Sirius <sirius@trudheim.com>
To: Gedalya <gedalya@gedalya.net>
Cc: netdev@vger.kernel.org
Subject: Re: iproute2: color output should assume dark background
Date: Thu, 23 May 2024 10:05:48 +0200	[thread overview]
Message-ID: <Zk743CuHshWWVJq5@photonic.trudheim.com> (raw)
In-Reply-To: <Zk722SwDWVe35Ssu@photonic.trudheim.com>

In days of yore (Thu, 23 May 2024), Sirius thus quoth: 
> In days of yore (Thu, 23 May 2024), Gedalya thus quoth: 
> > On 5/23/24 2:39 PM, Sirius wrote:
> > > read what the background is of the console
> > That's COLORFGBG. It is set by some terminal emulators as a way to
> > advertise the colors being used.
> > 
> > I'm no expert but AFAIK there is no uniform way to do this that is
> > supported by all major terminal emulators.
> 
> https://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h3-Control-Bytes_-Characters_-and-Sequences
> https://stackoverflow.com/questions/2507337/how-to-determine-a-terminals-background-color
> 
> If you colour the output, then handling the prospect that the background
> might not be the assumed colour kind of comes with the territory.
> Or you deliberately set the background colour to something so that it is
> not undefined. That is what the ANSI colour sequences can do when you use
> strings like \e[32;47m where you deliberately set the background.

https://github.com/dalance/termbg

Someone already did the hard work. Just use that library and you can
detect the background colour or whether a theme is light or dark.

-- 
Kind regards,

/S

  reply	other threads:[~2024-05-23  8:15 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-22 19:21 iproute2: color output should assume dark background Gedalya
2024-05-22 19:27 ` Dragan Simic
2024-05-23  6:39 ` Sirius
2024-05-23  7:08   ` Gedalya
2024-05-23  7:57     ` Sirius
2024-05-23  8:05       ` Sirius [this message]
2024-05-23 12:36       ` Dragan Simic
2024-05-23 13:02         ` Sirius
2024-05-23 13:04         ` Gedalya
2024-05-23 13:19           ` Sirius
2024-05-23 13:47             ` Dragan Simic
2024-05-28  9:07             ` David Laight
2024-05-28  9:40               ` Gedalya
2024-05-23 13:23           ` Dragan Simic
2024-05-23 13:39             ` Gedalya
2024-05-23 14:02               ` Dragan Simic
2024-05-23 14:11                 ` Gedalya
2024-05-23 14:24                   ` Dragan Simic
2024-05-23 14:33                     ` Gedalya
2024-05-23 14:59                       ` Stephen Hemminger
2024-05-23 15:17                         ` Gedalya
2024-05-23 13:50             ` Gedalya
2024-05-23 14:07               ` Dragan Simic
2024-05-23 14:13                 ` Gedalya
2024-05-23 14:26                   ` Dragan Simic
2024-05-23 14:11               ` Sirius
2024-05-23 14:19                 ` Gedalya
2024-05-23 14:28                   ` Dragan Simic
2024-05-23 14:29                     ` Dragan Simic

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