sway: use caffeinated instead of disabling swayidle

pkgs/caffeinated/default.nix

@@ -0,0 +1,51 @@
+{
+  stdenv,
+  lib,
+  fetchFromGitHub,
+
+  pkgconf,
+  pkg-config,
+  wayland-scanner,
+
+  systemd,
+  libbsd,
+  wayland,
+  wayland-protocols,
+}:
+
+stdenv.mkDerivation {
+  pname = "caffeinated";
+  version = "2022-12-08";
+
+  src = fetchFromGitHub {
+    owner = "electrickite";
+    repo = "caffeinated";
+    rev = "5a8eff054bdce225a19cf3ab785dc1bbc9bd3265";
+    hash = "sha256-X1w/YWljcwb5ZH8Nt92CDhPU/yqBLH3lBS7yVJUeyzY=";
+  };
+
+  nativeBuildInputs = [
+    pkgconf
+    pkg-config
+    wayland-scanner
+  ];
+
+  buildInputs = [
+    systemd
+    libbsd
+    wayland
+    wayland-protocols
+  ];
+
+  makeFlags = [ "WAYLAND=1" ];
+
+  installFlags = [ "PREFIX=$(out)" ];
+
+  meta = {
+    description = "Utility to prevent the system from entering an idle state";
+    homepage = "https://github.com/electrickite/caffeinated";
+    license = lib.licenses.mit;
+    platforms = lib.platforms.linux;
+    maintainers = with lib.maintainers; [ lelgenio ];
+  };
+}

pkgs/default.nix

@@ -3,6 +3,7 @@
 
 { pkgs, inputs }:
 rec {
+  caffeinated = pkgs.callPackage ./caffeinated { };
   cargo-checkmate = pkgs.callPackage ./cargo-checkmate.nix { };
   lipsum = pkgs.callPackage ./lipsum.nix { };
   emmet-cli = pkgs.callPackage ./emmet-cli.nix { };

scripts/_sway_idle_toggle

@@ -1,11 +0,0 @@
-#!/bin/sh
-
-swayidlectl() {
-  systemctl --user $1 swayidle.service
-}
-
-if swayidlectl status > /dev/null; then
-    swayidlectl stop
-else
-    swayidlectl start
-fi

scripts/default.nix

@@ -44,7 +44,6 @@
     ];
     _diffr = [ diffr ];
     _thunar-terminal = [ terminal ];
-    _sway_idle_toggle = [ swayidle ];
     kak-pager = [
       fish
       _diffr

user/sway/default.nix

@@ -154,6 +154,7 @@ in
       wl-clipboard
       wtype
       wl-crosshair
+      caffeinated
 
       grim
       satty

user/sway/sway-binds.nix

@@ -19,7 +19,7 @@ let
   '';
   _suspend = pkgs.writeShellScriptBin "_suspend" ''
     ${pkgs.sway}/bin/swaymsg mode default
-    systemctl --user start swayidle.service
+    pkill caffeinated || true
     systemctl suspend
   '';
 
@@ -143,7 +143,7 @@ let
 
   system_binds = {
     "--locked Ctrl+${mod}+z" = "exec ${_suspend}/bin/_suspend";
-    "${mod}+Alt+c" = "exec ${pkgs._sway_idle_toggle}/bin/_sway_idle_toggle";
+    "${mod}+Alt+c" = "exec pkill caffeinated || exec caffeinated";
   };
 
   screenshot_binds = {

user/waybar/default.nix

@@ -3,12 +3,10 @@
   osConfig,
   pkgs,
   lib,
-  font,
   ...
 }:
 let
   inherit (config.my)
-    key
     theme
     accent
     font
@@ -170,8 +168,8 @@ in
           };
           "custom/caffeine" = {
             format = "{}";
-            exec = "systemctl --user status swayidle > /dev/null && echo 󰒲 || echo 󰒳";
-            on-click = "${pkgs._sway_idle_toggle}/bin/_sway_idle_toggle";
+            exec = "pgrep caffeinated > /dev/null && echo '󰒳' || echo '󰒲' ";
+            on-click = "pkill caffeinated || exec caffeinated";
             interval = 1;
             tooltip = false;
           };