added microphone & webcam indicators to waybar

home/.config/fish/functions/check_webcam.fish

@@ -0,0 +1,5 @@
+function check_webcam
+    if test (lsof /dev/video0 | count) -gt 3
+        echo "{\"text\":\"󰖠\", \"tooltip\":\"webcam is used\", \"alt\":\"Webcam\"}"
+    end
+end

home/.config/waybar/config

@@ -164,6 +164,8 @@
     "group/misc": {
         "orientation": "horizontal",
         "modules": [
+            "pulseaudio#microphone_indicator",
+            "custom/webcam",
             "custom/recording",
             "custom/geo",
             "custom/media",
@@ -174,6 +176,19 @@
         ],
     },
 
+    "pulseaudio#microphone_indicator": {
+        "format": "{format_source}",
+        "format-source": "󰍬",
+        "format-source-muted": "",
+        "tooltip-format": "microphone on",
+    },
+
+    "custom/webcam": {
+        "interval": 1,
+        "exec": "fish -c check_webcam",
+        "return-type": "json",
+    },
+
     "custom/recording": {
         "interval": 1,
         "exec-if": "pgrep wf-recorder",

home/.config/waybar/style.css

@@ -208,6 +208,16 @@ window.top_bar .modules-center {
   color: @subtext0;
 }
 
+#pulseaudio.microphone_indicator {
+  color: @pink;
+  margin-right: 4;
+}
+
+#custom-webcam {
+  color: @maroon;
+  margin-right: 4;
+}
+
 #custom-recording {
   color: @red;
   margin-right: 4;

nixos/terminal-utils.nix

@@ -40,6 +40,7 @@
     mdcat
     pandoc
     lsd
+    lsof
     gping
     viu
     tre-command