waybar: Add battery widget

hosts/liberation.toml

@@ -1,6 +1,7 @@
 wireless = ["wlp170s0"]
 #ethernet = ["enp2s0"]
 temperature_path = "/sys/class/hwmon/hwmon4/temp1_input"
+has_battery = true
 
 [[outputs]]
 match = "eDP-1"

install.py

@@ -153,6 +153,7 @@ class HostConfig:
     wireless: list[str] = field(factory=list)
     ethernet: list[str] = field(factory=list)
     disks: list[str] = field(factory=lambda: ["/"])
+    has_battery: bool = False
     system_font: str = "Fira Sans"
     system_mono_font: str = "Fira Mono"
     temperature_path: str | None = None
@@ -263,9 +264,7 @@ def main():
                 print(
                     "Could not find SWAYSOCK or NIRI_SOCKET, cannot retrieve output names."
                 )
-                print(
+                print("Please re-run in sway or niri to finish configuring swaylock.")
-                    "Please re-run in sway or niri to finish configuring swaylock."
-                )
 
         except subprocess.CalledProcessError:
             print("Could not contact sway or niri to retrieve output names.")

templates/.config/waybar/config.jsonc

@@ -17,6 +17,7 @@
 % endfor
 
         "wireplumber",
+        "battery",
         "group/disks",
         "cpu",
         "memory",
@@ -55,6 +56,23 @@
         "format-icons": ["\uf026", "\uf027", "\uf028"]
     },
 
+% if host.has_battery:
+    "battery": {
+        "design-capacity": true,
+        "format": "{icon} {capacity}% {time}",
+        "format-time": "{H}:{m}",
+        "format-icons": [
+            "\uf244",
+            "\uf243",
+            "\uf242",
+            "\uf241",
+            "\uf240",
+        ],
+        "format-charging": "\ue55b {capacity}% {time}",
+        "format-full": "\ue55c {capacity}%",
+    },
+% endif
+
     "group/disks": {
         // TODO: make drawer that expands orthogonally, outside of the bar
         "orientation": "inherit",