From 277c1573c955ffc666b6c30a5abb7fc811097350 Mon Sep 17 00:00:00 2001
From: Ivan Dimitrov <ivan@idimitrov.dev>
Date: Wed, 1 May 2024 22:42:29 +0300
Subject: [PATCH] adding the option to change screen brightness

---
 modules/home/programs/sway/default.nix | 2 ++
 nixos/laptop/default.nix               | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/modules/home/programs/sway/default.nix b/modules/home/programs/sway/default.nix
index a918d71..2c4b4e1 100644
--- a/modules/home/programs/sway/default.nix
+++ b/modules/home/programs/sway/default.nix
@@ -25,6 +25,8 @@
         "XF86AudioRaiseVolume" = "exec ${pkgs.pulseaudio}/bin/pactl set-sink-volume @DEFAULT_SINK@ +5%";
         "XF86AudioLowerVolume" = "exec ${pkgs.pulseaudio}/bin/pactl set-sink-volume @DEFAULT_SINK@ -5%";
         "XF86AudioMute" = "exec ${pkgs.pulseaudio}/bin/pactl set-sink-mute @DEFAULT_SINK@ toggle";
+        "XF86MonBrightnessUp" = "exec sudo ${pkgs.light}/bin/light -A 10";
+        "XF86MonBrightnessDown" = "exec sudo ${pkgs.light}/bin/light -U 10";
         "Mod1+c" = "exec rofi -show calc";
       };
       input = {
diff --git a/nixos/laptop/default.nix b/nixos/laptop/default.nix
index 6513a19..573fa86 100644
--- a/nixos/laptop/default.nix
+++ b/nixos/laptop/default.nix
@@ -25,6 +25,15 @@
   };
 
   security = {
+    sudo = {
+      execWheelOnly = true;
+      extraRules = [
+        {
+          groups = [ "wheel" ];
+          commands = [{ command = "${pkgs.light}/bin/light"; options = [ "SETENV" "NOPASSWD" ]; }];
+        }
+      ];
+    };
     polkit.enable = true;
     rtkit.enable = true;
     pam = { services = { swaylock = { }; }; };