pkgs: add i3-get-window-criteria

This commit is contained in:
Bruno BELANYI 2021-05-08 17:40:22 +02:00
parent a7839c63e0
commit 2d21945670
3 changed files with 75 additions and 0 deletions

View file

@ -4,6 +4,8 @@ rec {
havm = pkgs.callPackage ./havm { };
i3-get-window-criteria = pkgs.callPackage ./i3-get-window-criteria { };
lohr = pkgs.callPackage ./lohr { };
nolimips = pkgs.callPackage ./nolimips { };

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@ -0,0 +1,43 @@
{ coreutils, gnused, makeWrapper, lib, shellcheck, stdenvNoCC, xorg }:
stdenvNoCC.mkDerivation rec {
pname = "i3-get-window-criteria";
version = "0.1.0";
src = ./i3-get-window-criteria;
phases = [ "buildPhase" "installPhase" "fixupPhase" ];
buildInputs = [
makeWrapper
shellcheck
];
buildPhase = ''
shellcheck $src
'';
installPhase = ''
mkdir -p $out/bin
cp $src $out/bin/${pname}
chmod a+x $out/bin/${pname}
'';
wrapperPath = lib.makeBinPath [
coreutils
gnused
xorg.xprop
xorg.xwininfo
];
fixupPhase = ''
patchShebangs $out/bin/${pname}
wrapProgram $out/bin/${pname} --prefix PATH : "${wrapperPath}"
'';
meta = with lib; {
description = "Helper script to query i3 window criterions";
homepage = "https://gitea.belanyi.fr/ambroisie/nix-config";
license = with licenses; [ mit ];
platforms = platforms.unix;
};
}

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@ -0,0 +1,30 @@
#!/usr/bin/env bash
# i3-get-window-criteria - Get criteria for use with i3 config commands
# To use, run this script, then click on a window.
# Output is in the format: [<name>=<value> <name>=<value> ...]
# Known problem: when WM_NAME is used as fallback for the 'title="<string>"' criterion,
# quotes in "<string>" are not escaped properly. This is a problem with the output of `xprop`,
# reported upstream: https://bugs.freedesktop.org/show_bug.cgi?id=66807
match_int='[0-9][0-9]*'
match_string='".*"'
match_qstring='"[^"\\]*(\\.[^"\\]*)*"' # NOTE: Adds 1 backreference
{
# Run xwininfo, get window id
window_id=$(xwininfo -int | sed -nre "s/^xwininfo: Window id: ($match_int) .*$/\1/p")
echo "id=$window_id"
# Run xprop, transform its output into i3 criteria. Handle fallback to
# WM_NAME when _NET_WM_NAME isn't set
xprop -id "$window_id" |
sed -nr \
-e "s/^WM_CLASS\(STRING\) = ($match_qstring), ($match_qstring)$/instance=\1\nclass=\3/p" \
-e "s/^WM_WINDOW_ROLE\(STRING\) = ($match_qstring)$/window_role=\1/p" \
-e "/^WM_NAME\(STRING\) = ($match_string)$/ {s//title=\1/; h}" \
-e "/^_NET_WM_NAME\(UTF8_STRING\) = ($match_qstring)$/ {s//title=\1/; h}" \
-e '$ {g; p}'
} | sort | tr "\n" " " | sed -r 's/^(.*) $/[\1]\n/'