linux-kernel - Re: [PATCH] perf/tui: Change default selection background color to yellow

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Message-ID: <20150305104728.GF3915@pd.tnic>
Date:	Thu, 5 Mar 2015 11:47:28 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Jiri Olsa <jolsa@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf/tui: Change default selection background color to
 yellow

On Thu, Mar 05, 2015 at 11:32:13AM +0100, Ingo Molnar wrote:
> 
> Boris reported that 'perf top' is unusable on his default 'black on 
> white' terminal, which uses (eye friendly) light-grey as a background 
> color.
> 
> The reason is that the TUI cursor for the current selection line uses 
> HE_COLORSET_SELECTED, and that has a default background color of 
> 'lightgrey' - which is a common terminal background choice and thus 
> the colors conflict.
> 
> Use yellow as the background color instead: that should be an uncommon 
> terminal background, yet it's still ergonomic on both black and 
> white/grey terminals.
> 
> [ It would be a better solution to straight out detect color
>   collisions and resolve them reasonably by converting them to RGB and
>   calculating color space distances, but I was unable to find
>   proper documentation for SLtt_get_color_object() to recover the
>   current color scheme so I gave up ... Yellow works well enough. ]
> 
> Reported-by: Borislav Petkov <bp@...en8.de>

	  -and-tested-by: Boris

Thanks.

-- 
Regards/Gruss,
    Boris.

ECO tip #101: Trim your mails when you reply.
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