feat(hyprlock): show idle inhibit feedback

modules/desktop/hyprland/hyprlock.nix

@@ -12,15 +12,24 @@ let
   # The hyprlock this module installs, used by the lock keybind below.
   hyprlock = "${config.home-manager.users.${user}.programs.hyprlock.package}/bin/hyprlock";
 
+  sleepIcon = builtins.fromJSON ''"\udb81\udcb2"'';
+  sleepOffIcon = builtins.fromJSON ''"\udb81\udcb3"'';
+
   idleLockToggle = pkgs.writeShellScript "lockscreen-idle-inhibit-toggle" ''
     unit=lockscreen-idle-inhibit.service
 
+    refresh_waybar() {
+      ${pkgs.procps}/bin/pkill -RTMIN+9 waybar >/dev/null 2>&1 || true
+    }
+
     if ${pkgs.systemd}/bin/systemctl --user is-active --quiet "$unit"; then
       ${pkgs.systemd}/bin/systemctl --user stop "$unit"
+      refresh_waybar
+      ${pkgs.swayosd}/bin/swayosd-client --custom-message "${sleepIcon}"
       exit 0
     fi
 
-    ${pkgs.systemd}/bin/systemd-run \
+    if ${pkgs.systemd}/bin/systemd-run \
       --user \
       --collect \
       --unit=lockscreen-idle-inhibit \
@@ -29,7 +38,10 @@ let
       --what=idle \
       --who=lockscreen-hotkey \
       --why="lock screen disabled by hotkey" \
-      ${pkgs.coreutils}/bin/sleep infinity
+      ${pkgs.coreutils}/bin/sleep infinity >/dev/null; then
+      refresh_waybar
+      ${pkgs.swayosd}/bin/swayosd-client --custom-message "${sleepOffIcon}"
+    fi
   '';
 in
 {

modules/desktop/waybar.nix

@@ -12,6 +12,7 @@ let
   # A Nerd Font Private-Use-Area codepoint as a literal character, decoded
   # through JSON so the glyph survives as bytes rather than an editor paste.
   g = code: builtins.fromJSON ''"\u${code}"'';
+  sleepOffIcon = builtins.fromJSON ''"\udb81\udcb3"'';
 
   # Renders and toggles mako's do-not-disturb mode.
   # With no mako daemon answering, the status reads "notifications on", keeping
@@ -38,6 +39,14 @@ let
       printf '{"text":"","class":"idle"}\n'
     fi
   '';
+
+  idleLockStatus = pkgs.writeShellScript "waybar-idle-lock-status" ''
+    if ${pkgs.systemd}/bin/systemctl --user is-active --quiet lockscreen-idle-inhibit.service; then
+      printf '{"text":"${sleepOffIcon}","tooltip":"Idle locking inhibited","class":"inhibited"}\n'
+    else
+      printf '{"text":"","class":"idle"}\n'
+    fi
+  '';
 in
 {
   options.modules.desktop.waybar.enable = lib.mkEnableOption "the Waybar status bar";
@@ -63,6 +72,7 @@ in
         modules-center = [ "clock" ];
         modules-right = [
           "custom/recording"
+          "custom/idle-lock"
           "mpris"
           "wireplumber"
           "network"
@@ -155,6 +165,13 @@ in
           exec = "${recStatus}";
           interval = 1;
         };
+
+        "custom/idle-lock" = {
+          return-type = "json";
+          exec = "${idleLockStatus}";
+          interval = "once";
+          signal = 9;
+        };
       };
     };
   };