Batery widget

- For hyprlock
- For waybar

nixos/modules/hyprland/battery-status.nix

@@ -0,0 +1,83 @@
+{pkgs, hwconfig, ...}:
+let
+    battery-path = "/sys/class/power_supply/${if hwconfig.hostname == "kylekrein-mac" then "macsmc-battery" else "BAT0"}";
+    get-battery-level = "${pkgs.writeShellScriptBin "get-battery-level" ''
+    cat ${battery-path}/capacity 2>/dev/null || echo "N/A"
+    ''}/bin/get-battery-level";
+    get-status = "${pkgs.writeShellScriptBin "get-status" ''
+    cat ${battery-path}/status 2>/dev/null || echo "Unknown"
+    ''}/bin/get-status";
+    get-icon = "${pkgs.writeShellScriptBin "get-icon" ''
+BATTERY_LEVEL=$(${get-battery-level})
+STATUS=$(${get-status})
+if [[ "$BATTERY_LEVEL" == "N/A" ]]; then
+    ICON="󰂑 "
+elif [[ "$STATUS" == "Charging" ]]; then
+    if [[ $BATTERY_LEVEL -ge 90 ]]; then
+        ICON="󰂋 "
+    elif [[ $BATTERY_LEVEL -ge 80 ]]; then
+        ICON="󰂊 "
+    elif [[ $BATTERY_LEVEL -ge 70 ]]; then
+        ICON="󰢞 "
+    elif [[ $BATTERY_LEVEL -ge 60 ]]; then
+        ICON="󰂉 "
+    elif [[ $BATTERY_LEVEL -ge 50 ]]; then
+        ICON="󰢝 "
+    elif [[ $BATTERY_LEVEL -ge 40 ]]; then
+        ICON="󰂈 "
+    elif [[ $BATTERY_LEVEL -ge 30 ]]; then
+        ICON="󰂇 "
+    elif [[ $BATTERY_LEVEL -ge 20 ]]; then
+        ICON="󰂆 "
+    elif [[ $BATTERY_LEVEL -ge 10 ]]; then
+        ICON="󰢜 "
+    else
+        ICON="󱊦 "
+    fi
+else
+    if [[ $BATTERY_LEVEL -ge 90 ]]; then
+        ICON="󰂂 "
+    elif [[ $BATTERY_LEVEL -ge 70 ]]; then
+        ICON="󰂀 "
+    elif [[ $BATTERY_LEVEL -ge 50 ]]; then
+        ICON="󰁾 "
+    elif [[ $BATTERY_LEVEL -ge 30 ]]; then
+        ICON="󰁼 "
+    elif [[ $BATTERY_LEVEL -ge 10 ]]; then
+        ICON="󰁺 "
+    else
+        ICON="󱊣 "
+    fi
+fi
+
+echo "$ICON"
+    ''}/bin/get-icon";
+    get-remaining-time = "${pkgs.writeShellScriptBin "get-remaining-time" ''
+REMAINING_ENERGY=$(cat ${battery-path}/energy_now)
+POWER_USAGE=$(cat ${battery-path}/power_now)
+if [[ -n "$REMAINING_ENERGY" && -n "$POWER_USAGE" && "$POWER_USAGE" -ne 0 ]]; then
+    TIME_LEFT=$((0 - (REMAINING_ENERGY / POWER_USAGE)))
+    MINUTES_LEFT=$(((0 - ( (REMAINING_ENERGY * 60) / POWER_USAGE )) - (TIME_LEFT * 60)))
+    echo "$TIME_LEFT h $MINUTES_LEFT min"
+else
+    echo ""
+fi
+    ''}/bin/get-remaining-time";
+in
+{
+  available = hwconfig.isLaptop;
+  icon = get-icon;
+  status = get-status;
+  time = get-remaining-time;
+  level = get-battery-level;
+  labelAdaptive = "${pkgs.writeShellScriptBin "labelAdaptive" ''
+  if [[ "$(${get-status})" == "Charging" ]]; then
+     echo "$(${get-battery-level})% $(${get-icon})"
+  else
+    echo "$(${get-remaining-time}) $(${get-icon})"
+  fi
+  ''}/bin/labelAdaptive";
+  labelPercent = "${pkgs.writeShellScriptBin "labelPercent" ''
+  echo "$(${get-battery-level})% $(${get-icon})"
+  ''}/bin/labelPercent";
+}

nixos/modules/hyprland/hyprlock.nix

@@ -1,6 +1,7 @@
-{ pkgs, lib, ... }:
+{ pkgs, lib, hwconfig, ... }:
 let
     profile-image = ./profile-image.png;
+    battery-level = (import ./battery-status.nix {inherit pkgs; inherit hwconfig;}).labelPercent;
 in
 {
   programs.hyprlock = {
@@ -75,7 +76,15 @@ in
           halign = "right";
           valign = "bottom";
         }
-      ];
+      ] ++ lib.optional (hwconfig.isLaptop) (
+        {
+          text = ''cmd[update:10000] ${battery-level}'';
+          font_family = "JetBrains Mono";
+          font_size = 28;
+          position = "20, 20";
+          halign = "left";
+          valign = "bottom";
+        });
     };
   };
 }

nixos/modules/hyprland/waybar.nix

@@ -1,5 +1,7 @@
 { pkgs, lib, hwconfig, ... }:
-
+let 
+  battery = (import ./battery-status.nix {inherit pkgs; inherit hwconfig;});
+in
 {
   programs.waybar = {
     enable = true;
@@ -37,7 +39,7 @@
         #"memory"
         #"temperature"
 	"hyprland/language"
-      ] ++ (if hwconfig.isLaptop then [ "battery" ] else [ ])
+      ] ++ lib.optional battery.available "custom/battery"
       ++ [
         "tray"
 	"custom/notification"
@@ -55,6 +57,14 @@
           warning = 20;
         };
       };
+      "custom/battery" = {
+        exec ="${pkgs.writeShellScriptBin "battery-widget" ''
+        ${battery.labelAdaptive}
+        ${battery.labelPercent}
+        ''}/bin/battery-widget";
+        interval = 20;
+        tooltip = true;
+      };
       clock = {
         format-alt = "{:%d-%m-%Y}";
         tooltip-format = "{:%d-%m-%Y | %H:%M}";