Add battery module to polybar

polybar/index.nix

@@ -1,5 +1,14 @@
 { pkgs, lib, ... }:
 
+let
+  background = "#2e3440";
+  background-alt = "#3b4252";
+  foreground = "#eceff4";
+  primary = "#8fbcbb";
+  secondary = "#ff00ff"; # not sure what this does
+  alert = "#ff00ff"; # not sure what this does
+  disabled = "#434c5e";
+in
 {
   # Dependencies
   home.packages = with pkgs; [
@@ -15,19 +24,12 @@
     };
     config = {
       "colors" = {
-        background = "#2e3440";
-        background-alt = "#3b4252";
-        foreground = "#eceff4";
-        primary = "#8fbcbb";
-        secondary = "#ff00ff"; # not sure what this does
-        alert = "#ff00ff"; # not sure what this does
-        disabled = "#434c5e";
      };
       "bar/top" = {
         font-0 = "Noto Sans Mono;2";
         font-1 = "Noto Sans CJK JP;2";
-        background = "\${colors.background}";
+        background = "${background}";
-        foreground = "\${colors.foreground}";
+        foreground = "${foreground}";
         width = "100%";
 
         height = "24pt";
@@ -35,7 +37,7 @@
         padding-right = 1;
         module-margin = 1;
         separator = "|";
-        separator-foreground = "\${colors.disabled}";
+        separator-foreground = "${disabled}";
         cursor-click = "pointer";
         cursor-scroll = "ns-resize";
         modules-left = [
@@ -49,22 +51,23 @@
           "pulseaudio"
           "memory"
           "cpu"
+          "battery"
           "date"
         ];
       };
       "module/xworkspaces" = {
         type = "internal/xworkspaces";
         
-        label-active-background = "\${colors.background-alt}";
+        label-active-background = "${background-alt}";
-        label-active-underline = "\${colors.primary}";
+        label-active-underline = "${primary}";
         label-active-padding-right = 1;
 
         label-occupied-padding-right = 1;
 
-        label-urgent-background = "\${colors.alert}";
+        label-urgent-background = "${alert}";
         label-urgent-padding-right = 1;
 
-        label-empty-foreground = "\${colors.disabled}";
+        label-empty-foreground = "${disabled}";
         label-empty-padding-right = 1;
       };
       "module/xwindow" = {
@@ -93,16 +96,16 @@
 
         label-mounted = "%{F#88c0d0}%mountpoint%%{F-} %percentage_used%%";
         label-unmounted = "%mountpoint% not mounted";
-        label-unmounted-foreground = "\${colors.disabled}";
+        label-unmounted-foreground = "${disabled}";
       };
       "module/pulseaudio" = {
         type = "internal/pulseaudio";
         
         format-volume-prefix = "VOL ";
-        format-volume-prefix-foreground = "\${colors.primary}";
+        format-volume-prefix-foreground = "${primary}";
 
         label-muted = "muted";
-        label-muted-foreground = "\${colors.disabled}";
+        label-muted-foreground = "${disabled}";
       };
       "module/memory" = {
         type = "internal/memory";
@@ -110,7 +113,7 @@
         interval = 2;
 
         format-prefix = "RAM ";
-        format-prefix-foreground = "\${colors.primary}";
+        format-prefix-foreground = "${primary}";
       };
       "module/cpu" = {
         type = "internal/cpu";
@@ -118,7 +121,17 @@
         interval = 2;
         
         format-prefix = "CPU ";
-        format-prefix-foreground = "\${colors.primary}";
+        format-prefix-foreground = "${primary}";
+      };
+      # TODO: Only build battery module on ThinkPad host
+      "module/battery" = {
+        type = "internal/battery";
+        battery = "BAT0";
+        adapter = "AC";
+
+        label-charging = "%{F${primary}}AC%{F-} %percentage%%";
+        label-discharging = "%{F${primary}}BAT%{F-} %percentage%%";
+        label-full = "%{F${primary}}AC%{F-}";
       };
       "module/date" = {
         type = "internal/date";
@@ -128,7 +141,7 @@
         date = "%H:%M";
         date-alt = "%Y-%m-%d %H:%M:%S";
 
-        label-foreground = "\${colors.primary}";
+        label-foreground = "${primary}";
       };
     };
   };