xautolock: Key is now a toggle

hm/desktop/default.nix

@@ -5,7 +5,7 @@
     ./autorandr
     ./background
     ./browser
-    ./frobar
+    ./frobar/module.nix
     ./i3.nix
     ./lock
     ./mpd

hm/desktop/frobar/default.nix

@@ -1,8 +1,7 @@
-{ pkgs ? import <nixpkgs> { config = { }; overlays = [ ]; }, lib, config, ... }:
+{ pkgs ? import <nixpkgs> { config = { }; overlays = [ ]; }, ... }:
 # Tried using pyproject.nix but mpd2 dependency wouldn't resolve,
 # is called pyton-mpd2 on PyPi but mpd2 in nixpkgs.
-let
+pkgs.python3Packages.buildPythonApplication {
-  frobar = pkgs.python3Packages.buildPythonApplication {
   pname = "frobar";
   version = "2.0";
 
@@ -19,30 +18,4 @@ let
   makeWrapperArgs = [ "--prefix PATH : ${pkgs.lib.makeBinPath (with pkgs; [ lemonbar-xft wirelesstools ])}" ];
 
   src = ./.;
-  };
-in
-{
-  config = lib.mkIf config.frogeye.desktop.xorg {
-    xsession.windowManager.i3.config.bars = [ ];
-    programs.autorandr.hooks.postswitch = {
-      frobar = "${pkgs.systemd}/bin/systemctl --user restart frobar";
-    };
-    systemd.user.services.frobar = {
-      Unit = {
-        Description = "frobar";
-        After = [ "graphical-session-pre.target" ];
-        PartOf = [ "graphical-session.target" ];
-      };
-
-      Service = {
-        # Wait for i3 to start. Can't use ExecStartPre because otherwise it blocks graphical-session.target, and there's nothing i3/systemd
-        # TODO Do that better
-        ExecStart = ''${pkgs.bash}/bin/bash -c "while ! ${pkgs.i3}/bin/i3-msg; do ${pkgs.coreutils}/bin/sleep 1; done; ${frobar}/bin/frobar"''; 
-      };
-
-      Install = { WantedBy = [ "graphical-session.target" ]; };
-    };
-  };
 }
-# TODO Connection with i3 is lost on start sometimes, more often than with Arch?
-# TODO Restore ability to build frobar with nix-build

hm/desktop/frobar/frobar/__init__.py

@@ -49,6 +49,7 @@ def run():
     NETWORK_THEME = 5
     # TODO Disk space provider
     # TODO Screen (connected, autorandr configuration, bbswitch) provider
+    Bar.addSectionAll(XautolockProvider(theme=PERIPHERAL_THEME), BarGroupType.RIGHT)
     Bar.addSectionAll(PulseaudioProvider(theme=PERIPHERAL_THEME), BarGroupType.RIGHT)
     Bar.addSectionAll(RfkillProvider(theme=PERIPHERAL_THEME), BarGroupType.RIGHT)
     Bar.addSectionAll(NetworkProvider(theme=NETWORK_THEME), BarGroupType.RIGHT)

hm/desktop/frobar/frobar/providers.py

@@ -4,6 +4,7 @@ import datetime
 import ipaddress
 import json
 import logging
+import os
 import random
 import socket
 import subprocess
@@ -224,6 +225,27 @@ class BatteryProvider(AlertingSection, PeriodicUpdater):
         self.changeInterval(5)
 
 
+class XautolockProvider(Section, InotifyUpdater):
+    ICON = ""
+
+    def fetcher(self) -> str | None:
+        with open(self.path) as fd:
+            state = fd.read().strip()
+            if state == "enabled":
+                return None
+            elif state == "disabled":
+                return ""
+            else:
+                return "?"
+
+    def __init__(self, theme=None):
+        Section.__init__(self, theme=theme)
+        InotifyUpdater.__init__(self)
+        # TODO XDG
+        self.path = os.path.realpath(os.path.expanduser("~/.cache/xautolock"))
+        self.addPath(self.path)
+
+
 class PulseaudioProvider(StatefulSection, ThreadedUpdater):
     NUMBER_STATES = 3
     DEFAULT_STATE = 1

hm/desktop/frobar/module.nix

@@ -0,0 +1,25 @@
+{ pkgs, lib, config, ... }:
+{
+  config = lib.mkIf config.frogeye.desktop.xorg {
+    xsession.windowManager.i3.config.bars = [ ];
+    programs.autorandr.hooks.postswitch = {
+      frobar = "${pkgs.systemd}/bin/systemctl --user restart frobar";
+    };
+    systemd.user.services.frobar = {
+      Unit = {
+        Description = "frobar";
+        After = [ "graphical-session-pre.target" ];
+        PartOf = [ "graphical-session.target" ];
+      };
+
+      Service = {
+        # Wait for i3 to start. Can't use ExecStartPre because otherwise it blocks graphical-session.target, and there's nothing i3/systemd
+        # TODO Do that better
+        ExecStart = ''${pkgs.bash}/bin/bash -c "while ! ${pkgs.i3}/bin/i3-msg; do ${pkgs.coreutils}/bin/sleep 1; done; ${pkgs.callPackage ./. {}}/bin/frobar"''; 
+      };
+
+      Install = { WantedBy = [ "graphical-session.target" ]; };
+    };
+  };
+}
+# TODO Connection with i3 is lost on start sometimes, more often than with Arch?

hm/desktop/lock/default.nix

@@ -11,6 +11,7 @@ let
   '';
   lockPng = pkgs.runCommand "lock.png" { } "${pkgs.imagemagick}/bin/convert ${lockSvg} $out";
   mod = config.xsession.windowManager.i3.config.modifier;
+  xautolockState = "${config.xdg.cacheHome}/xautolock";
 in
 {
   config = lib.mkIf config.frogeye.desktop.xorg {
@@ -43,12 +44,27 @@ in
       keybindings = {
         # Screen off commands
         "${mod}+F1" = "--release exec --no-startup-id ${pkgs.xorg.xset}/bin/xset dpms force off";
-        "${mod}+F4" = "exec --no-startup-id ${pkgs.xautolock}/bin/xautolock -disable";
+        # Toggle to save on buttons
-        "${mod}+F5" = "exec --no-startup-id ${pkgs.xautolock}/bin/xautolock -enable";
+        # xautolock -toggle doesn't allow to read state.
+        # Writing into a file also allows frobar to display a lock icon
+        "${mod}+F5" = "exec --no-startup-id ${pkgs.writeShellScript "xautolock-toggle" ''
+          state="$(cat "${xautolockState}")"
+          if [ "$state" = "disabled" ]
+          then
+            ${pkgs.xautolock}/bin/xautolock -enable
+            echo enabled > ${xautolockState}
+          else
+            ${pkgs.xautolock}/bin/xautolock -disable
+            echo disabled > ${xautolockState}
+          fi
+        ''}";
       };
       startup = [
         # Stop screen after 10 minutes, 1 minutes after lock it
-        { notification = false; command = "${pkgs.xautolock}/bin/xautolock -time 10 -locker '${pkgs.xorg.xset}/bin/xset dpms force standby' -killtime 1 -killer xlock"; }
+        { notification = false; command = "${pkgs.writeShellScript "xautolock-start" ''
+            echo enabled > ${xautolockState}
+            ${pkgs.xautolock}/bin/xautolock -time 10 -locker '${pkgs.xorg.xset}/bin/xset dpms force standby' -killtime 1 -killer xlock
+        ''}"; }
         #  services.screen-locker.xautolock is hardcoded to use systemd for -locker (doesn't even work...)
       ];
     };