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bug#48439: 28.0.50; Support for the Alacritty terminal emulator
From: |
Eli Zaretskii |
Subject: |
bug#48439: 28.0.50; Support for the Alacritty terminal emulator |
Date: |
Sat, 15 May 2021 16:29:47 +0300 |
> Date: Sat, 15 May 2021 16:18:02 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 48439@debbugs.gnu.org
>
> The question is how close. If it is 90% close, then using the alias
> makes sense. But if it has enough unique features, then using an
> alias will rob users of those features for no good reason.
>
> > > Do you know where I can find the terminfo database for Alacritty?
> >
> > I've attached an archive of the 3 alacritty files in my
> > /usr/share/terminfo/a/ directory if that's what you were looking for.
>
> Thanks, but these files are not recognized by 'infocmp', which I tried
> to use to decompile them (assuming they were terminfo files compiled
> by 'tic').
Sorry, it seems I gave up too soon. Here are the results of comparing
alacritty+common (the only file my infocmp recognized) with
xterm-256color:
comparing alacritty+common to xterm-256color.
comparing booleans.
ccc: F:T.
hs: T:F.
km: F:T.
comparing numbers.
colors: 8, 256.
pairs: 64, 32767.
comparing strings.
dim: '\E[2m', NULL.
dsl: '\E]2;\007', NULL.
fsl: '^G', NULL.
initc: NULL,
'\E]4;%p1%d;rgb\:%p2%{255}%*%{1000}%/%2.2X/%p3%{255}%*%{1000}%/%2.2X/%p4%{255}%*%{1000}%/%2.2X\E\\'.
kbs: '\177', '^H'.
kmous: '\E[<', '\E[M'.
rep: '%p1%c\E[%p2%{1}%-%db', NULL.
ritm: '\E[23m', NULL.
rmcup: '\E[?1049l\E[23;0;0t', '\E[?1049l'.
setab: '\E[4%p1%dm',
'\E[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m'.
setaf: '\E[3%p1%dm',
'\E[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m'.
setb:
'\E[4%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m', NULL.
setf:
'\E[3%?%p1%{1}%=%t4%e%p1%{3}%=%t6%e%p1%{4}%=%t1%e%p1%{6}%=%t3%e%p1%d%;m', NULL.
sgr:
'%?%p9%t\E(0%e\E(B%;\E[0%?%p6%t;1%;%?%p5%t;2%;%?%p2%t;4%;%?%p1%p3%|%t;7%;%?%p4%t;5%;%?%p7%t;8%;m',
'%?%p9%t\E(0%e\E(B%;\E[0%?%p6%t;1%;%?%p2%t;4%;%?%p1%p3%|%t;7%;%?%p4%t;5%;%?%p7%t;8%;m'.
sitm: '\E[3m', NULL.
smcup: '\E[?1049h\E[22;0;0t', '\E[?1049h'.
tsl: '\E]2;', NULL.
u8: '\E[?%[;0123456789]c', '\E[?1;2c'.
Looks quite extensive to me. Of particular importance are: the number
of colors (not 256 but only 8 in alacritty), and different commands to
set fore- and back-ground colors.
Is there any way to raise these issues with the Alacritty developers?
Maybe there's something here I don't understand (I don't consider
myself an expert on terminal capabilities).
Thanks.