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document kmscon functions

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Schrottkatze 2024-02-18 01:51:06 +01:00
parent 6394e8d8a0
commit ac227aa765
Signed by: schrottkatze
SSH key fingerprint: SHA256:hXb3t1vINBFCiDCmhRABHX5ocdbLiKyCdKI4HK2Rbbc
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4
modules/kmscon.nix
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@ -4,6 +4,7 @@
lib, lib,
... ...
}: let }: let
# generate shell command options for kmscon fom an attrset
generateOptions = with builtins; ( generateOptions = with builtins; (
opts: opts:
toString ( toString (
@ -12,10 +13,12 @@
) )
) )
); );
# generate a hexadecimal number lookup table to get integers from them
hexLookupTable = with lib; (listToAttrs (genList (i: { hexLookupTable = with lib; (listToAttrs (genList (i: {
name = let name = let
r = toHexString i; r = toHexString i;
in ( in (
# pad with 0 in front if only 1 digit
if (stringLength r) == 1 if (stringLength r) == 1
then "0${r}" then "0${r}"
else r else r
@ -23,6 +26,7 @@
value = toString i; value = toString i;
}) })
256)); 256));
# "parse" hex color strings and convert them to kmscon options
hexToOpt = with lib; (color: hexToOpt = with lib; (color:
concatStringsSep "," [ concatStringsSep "," [
(getAttr (substring 1 2 (toUpper color)) hexLookupTable) (getAttr (substring 1 2 (toUpper color)) hexLookupTable)