refactor(eww -> bar): Upgraded "connectivity" widget and script

Yoinked from Ahurac's dotfiles

bar/eww/bar/widget.yuck

@@ -1,5 +1,15 @@
 ; Static vars
 (defvar GIGA 1073741824)
+(defvar network-icon '{
+  "disconnected": "󰲛",
+  "ethernet": "󰈀",
+  "wifi-terrible": "󰤯",
+  "wifi-bad": "󰤟",
+  "wifi-mediocre": "󰤢",
+  "wifi-good": "󰤥",
+  "wifi-excellent": "󰤨",
+  "tethering": "󰕓"
+}')
 
 (defpoll time :interval "10s"
   `date +"  %H:%M    %a, %b %d"`)
@@ -10,7 +20,7 @@
 (defpoll refresh_rate :interval "10s" :initial "165" "~/.config/eww/scripts/refresh_rate")
 (defpoll vpn_status :interval "60s" :initial '{"connected": false}' "~/.config/eww/scripts/vpn_status")
 
-(deflisten connectivity :initial '{"status": "down"}' "~/.config/eww/scripts/get-connectivity wlan0")
+(deflisten connectivity :initial '{"state": "disconnected"}' "~/.config/eww/scripts/get-connectivity wlan0")
 (deflisten bluetoothinfo :initial '{"count": 0}' "~/.config/eww/scripts/get-bluetooth-info")
 (deflisten hypr :initial '{"spaces": [], "current": 0, "title": ""}' "~/.config/eww/scripts/hypr/hyprstatus")
 
@@ -47,7 +57,17 @@
     :onclick "bash -c 'iwgtk &> /dev/null &'"
     (label
       :class "connectivity"
-      :text " ${connectivity.status == "down" ? "down" : connectivity.ssid}"
+      :text "${
+    connectivity.state == "wireless"
+      ? network-icon["wifi-${connectivity.wifi.signal}"]
+      : network-icon[connectivity.state]
+  }   ${
+    connectivity.state == "disconnected" ? "No network" :
+    connectivity.state == "ethernet" ? "Ethernet" :
+    connectivity.state == "wireless" ? connectivity.wifi.ssid :
+    connectivity.state == "tethering" ? "USB tethering" : ''
+  }"
+      :tooltip "${connectivity.ip.local}"
       :limit-width 14)
   )
 )

bar/eww/scripts/get-connectivity

@@ -1,18 +1,59 @@
 #!/bin/dash
 
-if=$1
-
-status (){
-  status=$(cat /sys/class/net/wlan0/operstate)
-
-  if [ "$status" != "down" ]; then
-    ssid="$(iw dev wlan0 link | grep SSID | cut -d':' -f2)"
-  fi
-
-  echo "{\"status\": \"$status\", \"ssid\": \"$ssid\"}"
+print_state() {
+  case "$1" in
+    eth*)
+      echo ethernet
+      ;;
+    wlan*)
+      echo wireless
+      ;;
+    usb*)
+      echo tethering
+      ;;
+    *)
+      echo disconnected
+      ;;
+  esac
 }
 
-status
-iwevent 2> /dev/null | while read -r line; do
-  status
+wifi_strength() {
+    if [ "$1" -le -80 ]; then echo terrible
+  elif [ "$1" -le -70 ]; then echo bad
+  elif [ "$1" -le -60 ]; then echo mediocre
+  elif [ "$1" -le -40 ]; then echo good
+  else                        echo excellent
+  fi
+}
+
+print_infos() {
+  if [ -n "$1" ]; then
+    route_line=$(ip route show dev "$1" | awk '($1 == "default") { print }')
+
+    printf ',"ip":{"local":"%s","gateway":"%s"}' \
+      "$(echo "$route_line" | awk '{ print $7 }')" \
+      "$(echo "$route_line" | awk '{ print $3 }')"
+
+    if [ "$state" = wireless ]; then
+      signal=$(iw dev "$1" link | awk '($1 == "signal:") { print $2}')
+      printf ',"wifi":{"signal":"%s","ssid":"%s"}' \
+        "$(wifi_strength "$signal")" \
+        "$(iw dev wlan0 info | grep '^\s*ssid ' | xargs | cut -d \  -f 2-)"
+    fi
+  fi
+}
+
+print_network_status() {
+  device=$(ip route | awk '($1 == "default") { print $5 }')
+  state=$(print_state "$device")
+
+  printf '{"state":"%s"%s}\n' \
+    "$state" \
+    "$(print_infos "$device")"
+}
+
+print_network_status
+tail -f -n 0 /run/dhcpcd/log /var/log/iwd/current | \
+while read -r _unused; do
+  print_network_status
 done