feat: add initial eww config

eww/scripts/kb_leds.py

@@ -0,0 +1,60 @@
+import evdev
+import json
+import sys
+import select
+import os
+
+class KeyboardLedMonitor:
+    def __init__(self):
+        self.last_state = {"caps": "0", "num": "0"}
+        self.kbd_devices = []
+        
+        # ищем все устройства, которые умеют в CapsLock
+        devices = [evdev.InputDevice(path) for path in evdev.list_devices()]
+        for dev in devices:
+            capabilities = dev.capabilities().get(evdev.ecodes.EV_KEY, [])
+            if evdev.ecodes.KEY_CAPSLOCK in capabilities:
+                self.kbd_devices.append(dev)
+
+        if not self.kbd_devices:
+            sys.exit(1)
+
+        # выводим начальное состояние
+        self.push_update(self.kbd_devices[0])
+
+    def get_led_state(self, dev):
+        # проверяем коды
+        leds = dev.leds()
+        return {
+            "caps": "1" if 1 in leds else "0",
+            "num": "1" if 0 in leds else "0"
+        }
+
+    def push_update(self, dev):
+        # отдаем json в stdout при изменении
+        current_state = self.get_led_state(dev)
+        if current_state != self.last_state:
+            sys.stdout.write(json.dumps(current_state) + "\n")
+            sys.stdout.flush()
+            self.last_state = current_state
+
+    def run(self):
+        # создаем мапу файловых дескрипторов для селектора
+        devices_dict = {d.fd: d for d in self.kbd_devices}
+        
+        try:
+            while True:
+                # ждем событий от любого из устройств
+                r, _, _ = select.select(devices_dict, [], [])
+                for fd in r:
+                    dev = devices_dict[fd]
+                    for event in dev.read():
+                        # если прилетело событие изменения светодиода
+                        if event.type == evdev.ecodes.EV_LED:
+                            self.push_update(dev)
+                            
+        except (PermissionError, KeyboardInterrupt):
+            sys.exit(0)
+
+if __name__ == "__main__":
+    KeyboardLedMonitor().run()