diff options
Diffstat (limited to 'modules/lid-handler.nix')
| -rw-r--r-- | modules/lid-handler.nix | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/modules/lid-handler.nix b/modules/lid-handler.nix new file mode 100644 index 0000000..d89aced --- /dev/null +++ b/modules/lid-handler.nix @@ -0,0 +1,57 @@ +{ config, lib, pkgs, ... }: { + options = { + hrm.lid-handler.enable = lib.mkEnableOption "hrm.lid-handler"; + }; + config = let + cfg = config.hrm.lid-handler; + in lib.mkIf cfg.enable { + services.acpid.enable = true; + services.acpid.lidEventCommands = /* sh */ '' + lid_state=$(${pkgs.gawk}/bin/awk '{print$2}' /proc/acpi/button/lid/*/state) + + # usage: vt_is_xserver NUMBER + vt_is_xserver() { + ${pkgs.iproute2}/bin/ss -lp src unix:/tmp/.X11-unix/X* | + ${pkgs.gnused}/bin/sed -n 's|.*/tmp/.X11-unix/X\([0-9]\+\)\>.*|\1|p' | + ${pkgs.gnugrep}/bin/grep -Fqx "$1" + } + + console=$(${pkgs.kbd}/bin/fgconsole) + + if vt_is_xserver "$console"; then + # usage: run_on_display COMMAND [ARG...] + run_on_display() { + owner=$(${pkgs.coreutils}/bin/stat -c %u /tmp/.X11-unix/X$console) + ${pkgs.systemd}/bin/systemd-run -GPq \ + -E DISPLAY=:$console \ + --uid=$owner \ + "$@" + } + case $lid_state in + open) + run_on_display ${pkgs.xorg.xset}/bin/xset dpms force on + ;; + closed) + run_on_display ${pkgs.xorg.xset}/bin/xset dpms force off + ;; + esac + else + case $lid_state in + open) + ${pkgs.brightnessctl}/bin/brightnessctl --restore >/dev/null 2>&1 + ;; + closed) + brightness=$(${pkgs.brightnessctl}/bin/brightnessctl --quiet get) + if test "$brightness" -gt 0; then + ${pkgs.brightnessctl}/bin/brightnessctl --save >/dev/null 2>&1 + ${pkgs.brightnessctl}/bin/brightnessctl --quiet set 0 + fi + ;; + esac + fi + ''; + services.logind.settings.Login.HandleLidSwitch = "ignore"; + services.logind.settings.Login.HandleLidSwitchDocked = "ignore"; + services.logind.settings.Login.HandleLidSwitchExternalPower = "ignore"; + }; +} |