Add KDE Connect daemon

config/awesome/evil/kdeconnect.lua

@@ -0,0 +1,51 @@
+-- Provides:
+-- evil::kdeconnect
+--      reachable (boolean)
+--      battery (integer from 0 to 100)
+local awful = require("awful")
+
+local update_interval = 20
+
+local kdeconnect_devices_script = [[
+    sh -c "
+    for device in \$(qdbus --literal org.kde.kdeconnect /modules/kdeconnect org.kde.kdeconnect.daemon.devices); do
+        # Print the second field split by double quotes using awk
+        echo \"\$device\" | awk -F'\"' '{print \$2}'
+        # TODO: Remove break when/if I decide to support multiple devices
+        break
+    done
+    "
+]]
+
+-- First get device ID
+awful.spawn.easy_async_with_shell(kdeconnect_devices_script, function(stdout, _, __, exit_code)
+    device_id = string.gsub(stdout, '^%s*(.-)%s*$', '%1')
+
+    -- Use device ID to create the script
+    local kdeconnect_script = [[
+      sh -c '
+      deviceid="]]..device_id..[["
+      reachable=$(qdbus org.kde.kdeconnect "/modules/kdeconnect/devices/$deviceid" org.kde.kdeconnect.device.isReachable)
+      if [ "$reachable" = "true" ]; then
+          battery=$(qdbus org.kde.kdeconnect /modules/kdeconnect/devices/${deviceid}/battery org.kde.kdeconnect.device.battery.charge | tr -d 'n')
+          echo $battery
+      else
+          echo -1
+      fi
+      '
+    ]]
+
+    -- Periodically get device info
+    awful.widget.watch(kdeconnect_script, update_interval, function(widget, stdout)
+        local value = tonumber(stdout)
+        local battery, reachable
+        if value < 0 then
+            battery = nil
+            reachable = false
+        else
+            battery = value
+            reachable = true
+        end
+        awesome.emit_signal("evil::kdeconnect", reachable, battery)
+    end)
+end)