waybar: add mouse baterry indicator

scripts/controller-battery

@@ -10,29 +10,20 @@ if test -z "$CONTROLLER"; then
 fi
 
 CAPACITY=$(cat "$CONTROLLER/capacity")
+STATUS=$(cat "$CONTROLLER/status")
 
-echo -n '󰊴'
+echo -n '󰊴 '
 
-if test "$CAPACITY" -ge 90; then
+if test "$STATUS" = "Charging"; then
-    echo '󰁹'
+    echo -n "󰂄"
-elif test "$CAPACITY" -ge 90; then
-    echo '󰂂'
-elif test "$CAPACITY" -ge 80; then
-    echo '󰂁'
-elif test "$CAPACITY" -ge 70; then
-    echo '󰂀'
-elif test "$CAPACITY" -ge 60; then
-    echo '󰁿'
-elif test "$CAPACITY" -ge 50; then
-    echo '󰁾'
-elif test "$CAPACITY" -ge 40; then
-    echo '󰁽'
-elif test "$CAPACITY" -ge 30; then
-    echo '󰁼'
-elif test "$CAPACITY" -ge 20; then
-    echo '󰁻'
-elif test "$CAPACITY" -ge 10; then
-    echo '󰁺'
 else
-    echo '󰂎'
+    print-battery-icon "$CAPACITY"
 fi
+
+# Add terminating newline
+echo
+
+# Tooltip
+echo -n '󰊴'
+print-battery-icon "$CAPACITY"
+echo " $CAPACITY%"

scripts/default.nix

@@ -137,7 +137,9 @@
       libinput
       libratbag
     ];
-    controller-battery = [ ];
+    print-battery-icon = [ ];
+    controller-battery = [ print-battery-icon ];
+    mouse-battery = [ print-battery-icon ];
     _docker-block-external-connections = [
       iptables
       gawk

scripts/mouse-battery

@@ -0,0 +1,39 @@
+#!/bin/sh
+
+set -e
+
+MODEL_NAME_FILE=$(rg --files-with-matches G502 /sys/class/power_supply/*/model_name | head -n1)
+
+if test -z "$MODEL_NAME_FILE"; then
+    echo
+    exit 0
+fi
+
+MOUSE=$(dirname "$MODEL_NAME_FILE")
+
+if test -z "$MOUSE"; then
+    echo
+    exit 0
+fi
+
+CAPACITY=$(cat "$MOUSE/capacity")
+STATUS=$(cat "$MOUSE/status")
+
+echo -n '🖱️'
+
+if test "$STATUS" = "Charging"; then
+    echo -n "󰂄"
+else
+    print-battery-icon "$CAPACITY"
+fi
+
+if test "$CAPACITY" -lt 50; then
+    echo -n "$CAPACITY%"
+fi
+
+echo
+
+# Tooltip
+echo -n '🖱️'
+print-battery-icon "$CAPACITY"
+echo " $CAPACITY%"

scripts/print-battery-icon

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+set -e
+
+if test $# -ne 1; then
+    echo "Usage $0" >&2
+    exit 1
+fi
+CAPACITY="$1"
+
+if test "$CAPACITY" -ge 90; then
+    echo -n '󰁹'
+elif test "$CAPACITY" -ge 90; then
+    echo -n '󰂂'
+elif test "$CAPACITY" -ge 80; then
+    echo -n '󰂁'
+elif test "$CAPACITY" -ge 70; then
+    echo -n '󰂀'
+elif test "$CAPACITY" -ge 60; then
+    echo -n '󰁿'
+elif test "$CAPACITY" -ge 50; then
+    echo -n '󰁾'
+elif test "$CAPACITY" -ge 40; then
+    echo -n '󰁽'
+elif test "$CAPACITY" -ge 30; then
+    echo -n '󰁼'
+elif test "$CAPACITY" -ge 20; then
+    echo -n '󰁻'
+elif test "$CAPACITY" -ge 10; then
+    echo -n '󰁺'
+else
+    echo -n '󰂎'
+fi

system/configuration.nix

@@ -49,6 +49,7 @@
   services.logind.extraConfig = ''
     HandlePowerKey=suspend
   '';
+  services.upower.enable = true;
 
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions

user/waybar/default.nix

@@ -38,6 +38,7 @@ in
             "custom/playerctl"
             "tray"
             "custom/controller-battery"
+            "custom/mouse-battery"
             "custom/caffeine"
             "pulseaudio"
             (lib.optional (osConfig.services.vpn.enable or false) "custom/vpn")
@@ -164,7 +165,11 @@ in
             format = "{}";
             exec = lib.getExe pkgs.controller-battery;
             interval = 1;
-            tooltip = false;
+          };
+          "custom/mouse-battery" = {
+            format = "{}";
+            exec = lib.getExe pkgs.mouse-battery;
+            interval = 1;
           };
           "custom/caffeine" = {
             format = "{}";

user/waybar/style.css

@@ -38,6 +38,7 @@ window#waybar.solo {
 #custom-mpd,
 #custom-playerctl,
 #custom-controller-battery,
+#custom-mouse-battery,
 #tray,
 #clock,
 #network,