76 lines
2.1 KiB
Nix
76 lines
2.1 KiB
Nix
{ config, pkgs, ... }:
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let
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keyboard-toggle = pkgs.writeShellScriptBin "keyboard-toggle" ''
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# Find the AT keyboard event device
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EVENT_DEVICE=$(grep -l "AT Translated Set 2 keyboard" /sys/class/input/event*/device/name | sed 's|/device/name||' | sed 's|.*/||')
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PID_FILE="/tmp/keyboard-grab-$USER.pid"
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if [ -z "$EVENT_DEVICE" ]; then
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echo "✗ Could not find AT keyboard device"
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exit 1
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fi
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# Check if grabber is running
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if [ -f "$PID_FILE" ] && kill -0 $(cat "$PID_FILE") 2>/dev/null; then
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# Keyboard is disabled, enable it
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sudo kill $(cat "$PID_FILE")
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rm -f "$PID_FILE"
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sudo systemctl start keyd
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echo "✓ Built-in keyboard enabled (keyd active)"
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else
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# Keyboard is enabled, disable it by grabbing the device
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sudo systemctl stop keyd
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sudo ${pkgs.evtest}/bin/evtest --grab /dev/input/$EVENT_DEVICE > /dev/null 2>&1 &
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echo $! > "$PID_FILE"
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echo "✓ Built-in keyboard disabled (keyd stopped)"
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fi
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'';
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in
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{
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# Configure keyd for key remapping on the built-in keyboard
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services.keyd = {
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enable = true;
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keyboards = {
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internal = {
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ids = [ "*" ];
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settings = {
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main = {
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capslock = "leftcontrol";
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leftalt = "leftmeta";
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};
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};
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};
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};
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};
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# Add the script and required tools to system packages
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environment.systemPackages = [
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keyboard-toggle
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pkgs.libinput
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pkgs.evtest
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];
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# Add convenient shell alias
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environment.shellAliases = {
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kbt = "keyboard-toggle";
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};
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# Add sudoers rule for passwordless keyboard toggling
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security.sudo.extraRules = [{
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users = [ "yanlin" ];
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commands = [{
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command = "${pkgs.evtest}/bin/evtest --grab /dev/input/*";
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options = [ "NOPASSWD" ];
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} {
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command = "${pkgs.coreutils}/bin/kill";
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options = [ "NOPASSWD" ];
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} {
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command = "${pkgs.systemd}/bin/systemctl start keyd";
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options = [ "NOPASSWD" ];
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} {
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command = "${pkgs.systemd}/bin/systemctl stop keyd";
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options = [ "NOPASSWD" ];
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}];
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}];
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}
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