75 lines
2.4 KiB
Bash
75 lines
2.4 KiB
Bash
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#!/usr/bin/env bash
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# Wrapper that activates local venv then executes embedded Python
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DIR=$(dirname "$(readlink -f "$0")")
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VENV=/opt/navka-relay/venv
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PY="$VENV/bin/python"
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if [[ ! -x $PY ]]; then
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echo "❌ venv missing: run install-navka-relay.sh first." >&2
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exit 1
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fi
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# shellcheck disable=SC2091
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exec $PY - <<'PYCODE'
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import os, socket, selectors, signal, sys
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from evdev import InputDevice, ecodes
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# --------- config via env ----------
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DEV = os.getenv("NAVKA_KBD", "/dev/input/event4")
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IP = os.getenv("NAVKA_IP", "192.168.42.253")
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PORT = int(os.getenv("NAVKA_PORT", "4000"))
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# -----------------------------------
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# full HID tables (letters, numbers, F1-F12, arrows, etc.)
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HID = {**{getattr(ecodes,f"KEY_F{i}"):i+53 for i in range(1,13)}}
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for ev,h in {
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**{k:4+i for i,k in enumerate(range(ecodes.KEY_A,ecodes.KEY_Z+1))},
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**{k:30+i for i,k in enumerate(range(ecodes.KEY_1,ecodes.KEY_0+1))},
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ecodes.KEY_ENTER:40, ecodes.KEY_ESC:41, ecodes.KEY_BACKSPACE:42,
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ecodes.KEY_TAB:43, ecodes.KEY_SPACE:44, ecodes.KEY_MINUS:45,
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ecodes.KEY_EQUAL:46, ecodes.KEY_LEFTBRACE:47, ecodes.KEY_RIGHTBRACE:48,
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ecodes.KEY_BACKSLASH:49, ecodes.KEY_SEMICOLON:51, ecodes.KEY_APOSTROPHE:52,
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ecodes.KEY_GRAVE:53, ecodes.KEY_COMMA:54, ecodes.KEY_DOT:55,
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ecodes.KEY_SLASH:56, ecodes.KEY_RIGHT:79, ecodes.KEY_LEFT:80,
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ecodes.KEY_DOWN:81, ecodes.KEY_UP:82
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}.items(): HID.setdefault(ev, h)
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MOD = { ecodes.KEY_LEFTCTRL:1, ecodes.KEY_LEFTSHIFT:2, ecodes.KEY_LEFTALT:4,
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ecodes.KEY_LEFTMETA:8, ecodes.KEY_RIGHTCTRL:16, ecodes.KEY_RIGHTSHIFT:32,
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ecodes.KEY_RIGHTALT:64, ecodes.KEY_RIGHTMETA:128 }
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try:
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dev = InputDevice(DEV)
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except FileNotFoundError:
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sys.exit(f"Input device {DEV} not found")
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dev.grab()
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sock = socket.create_connection((IP,PORT), timeout=5)
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sock.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
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mods, keys = 0, []
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def send():
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sock.sendall(bytes([mods,0]+keys[:6]+[0]*(6-len(keys))))
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def quit_handler(sig, frame): # graceful Ctrl-C
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dev.ungrab(); sock.close(); sys.exit(0)
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signal.signal(signal.SIGINT, quit_handler)
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for ev in dev.read_loop():
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if ev.type != ecodes.EV_KEY: continue
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pressed = ev.value == 1
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if ev.code in MOD:
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mods = mods | MOD[ev.code] if pressed else mods & ~MOD[ev.code]
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elif ev.code in HID:
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h = HID[ev.code]
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if pressed and h not in keys: keys.insert(0,h)
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elif not pressed and h in keys: keys.remove(h)
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else:
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continue
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send()
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PYCODE
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