monitors.nix

{ config, pkgs, ... }:

# auto configure monitors
# xfce 4.12 will fix this, once released.

# TODO: save configuration state.

let
  autoconnect = pkgs.writeScript "automonitors.sh" ''
      #!/bin/sh
      export DISPLAY=:0.0
      export XAUTHORITY=/home/ollie/.Xauthority
      XRANDR=${pkgs.xlibs.xrandr}/bin/xrandr
      exec > /tmp/monitor 2>&1
      $XRANDR --auto
    '';
in {
  powerManagement.resumeCommands = ''
    ${autoconnect}
  '';
  services.udev.extraRules = ''
    ACTION=="change", SUBSYSTEM=="drm", ENV{HOTPLUG}=="1", ENV{DEVNAME}=="dri/card0", RUN+="${autoconnect}"
  '';
}