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Keyboard_client.lua

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+local config = {}
+
+function log(text)
+  --print(text)
+end
+
+
+-- 保存配置文件
+local function saveConfig()
+  local file = fs.open(".key_config", "w")
+  file. write(textutils.serialize(config))
+  file.close()
+end
+
+-- 加载或创建配置文件
+local function loadOrCreateConfig()
+  if fs.exists(".key_config") then
+    local file = fs.open(".key_config", "r")
+    local content = file.readAll()
+    file.close()
+    config = textutils.unserialize(content)
+    log("Config loaded")
+  else
+    log("Creating default config...")
+    config = {
+
+      events = {
+        "key", "key_up",
+        "mouse_click", "mouse_drag", "mouse_scroll", "mouse_up",
+        "char", "paste",
+      },
+
+      fn_key = "rightAlt",
+      target_channels = {["q"] = "nil", ["w"] = "nil", ["e"] = "nil", ["r"] = "nil"},
+      special_keys = {
+        ["one"] = "f1",   ["two"] = "f2",   ["three"] = "f3",   ["four"] = "f4",
+        ["five"] = "f5",   ["six"] = "f6",   ["seven"] = "f7",   ["eight"] = "f8",
+        ["nine"] = "f9",   ["zero"] = "f10",  ["minus"] = "f11",  ["equals"] = "f12",
+
+        ["1"] = "f1",   ["2"] = "f2",   ["3"] = "f3",   ["4"] = "f4",
+        ["5"] = "f5",   ["6"] = "f6",   ["7"] = "f7",   ["8"] = "f8",
+        ["9"] = "f9",   ["0"] = "f10",  ["-"] = "f11",  ["="] = "f12"
+      },
+      target = "q",  -- 默认目标频道
+
+      protocol = "wireless_keyboard" -- 通信协议
+    }
+
+    saveConfig()
+    log("Default config created")
+  end
+end
+
+
+
+-- 初始化 rednet
+local function initRednet()
+  peripheral.find("modem", rednet.open)
+end
+
+-- 在表中查找值的索引
+local function findIndex(tbl, value)
+  for i, v in ipairs(tbl) do
+    if v == value then
+      return i
+    end
+  end
+  return false
+end
+
+-- 显示状态信息
+local function updateDisplay()
+  term.setCursorPos(1, 1)
+  term.setTextColor(colors.white)
+  term.setBackgroundColor(colors.gray)
+  term.clearLine()
+
+  local id = config.target_channels[config.target]
+
+  term.write("Target: " .. config.target.." | ID: " .. id)
+
+  term.setBackgroundColor(colors.lightGray)
+end
+
+
+
+-- 发送事件到服务器
+local function sendEvent(eventType, ...)
+  log("Sending event: " .. eventType)
+  local args = {...}
+  local payload = {
+    type = eventType,
+    args = args,
+    timestamp = os.clock()
+  }
+
+  local id = config.target_channels[config.target]
+
+  if id ~= "nil" then
+    rednet.send(id, payload, config.protocol)
+  end
+end
+
+-- ID输入对话框
+local function showIdInputDialog(keyName)
+  term.clear()
+  term.setCursorPos(1, 1)
+  term.setTextColor(colors.yellow)
+  print("=== ID Pairing Mode ===")
+  term.setTextColor(colors.white)
+  print("")
+  print("Enter target computer ID:")
+  print("")
+
+
+  while true do
+    local input = read()
+    local id = tonumber(input)
+    if not id then
+      term.setTextColor(colors.red)
+      print("Invalid ID! Please enter a numeric ID:")
+      term.setTextColor(colors.white)
+    end
+
+    config.target_channels[keyName] = id
+    break
+  end
+
+  term.setCursorPos(1, 1)
+  term.setTextColor(colors.white)
+  term.setBackgroundColor(colors.lightGray)
+  term.clear()
+
+  updateDisplay()
+  saveConfig()
+end
+
+
+function key_Handle(event, ...)
+  arg = {...}
+  
+  -- 处理key事件
+  if event == "key" then
+    local keyName = keys.getName(arg[1])
+
+    if keyName == config.fn_key then
+      return
+    end
+
+    if fnPressed then
+
+      if config.special_keys[keyName] then
+        -- 特殊键映射（Fn + 1-0-= -> F1-F12）
+        log(keyName.." to "..config.special_keys[keyName])
+        local specialKey = config.special_keys[keyName]
+        arg[1] = keys[specialKey]
+        sendEvent("key", arg)
+
+      elseif config.target_channels[keyName] then
+        if arg[2] then
+          -- Fn + 长按 Q/W/E/R -> 进入配对模式
+          showIdInputDialog(keyName)
+          
+        else
+          -- Fn + 短按 Q/W/E/R -> 切换频率
+          config.target = keyName
+          updateDisplay()
+        end
+      else
+        -- 其他按键与 Fn 一起按下，直接发送原始按键
+        log("Sending key for key: " .. keyName)
+        sendEvent("key", arg)
+      end
+
+    else
+      -- 正常按键
+      sendEvent("key", arg)
+    end
+
+  --处理key_up事件
+  elseif event == "key_up" then
+    local keyName = keys.getName(arg[1])
+
+    if keyName == config.fn_key then
+      return
+    end
+
+    if fnPressed then
+      if config.special_keys[keyName] then
+        log(keyName.." to "..config.special_keys[keyName])
+        -- 特殊键映射（Fn + 1-0-= -> F1-F12）
+        local specialKey = config.special_keys[keyName]
+        arg[1] = keys[specialKey]
+        sendEvent("key_up", arg)
+      
+      
+      elseif config.target_channels[keyName] then
+        -- 忽略 Fn + Q/W/E/R 的 key_up 事件
+        return
+      else
+        -- 其他按键与 Fn 一起按下，直接发送原始按键
+        log("Sending key_up for key: " .. keyName)
+        sendEvent("key_up", arg)
+      end
+    else
+      sendEvent("key_up", arg)
+    end
+
+  elseif event == 'char' then
+    local keyName = arg[1]
+
+    if fnPressed then
+      if config.special_keys[keyName] then
+        return
+      elseif config.target_channels[keyName] then
+        -- 忽略 Fn + Q/W/E/R 的 char 事件
+        return
+      else
+        -- 其他按键与 Fn 一起按下，直接发送原始按键
+        log("Sending char for key: " .. keyName)
+        sendEvent("char", arg)
+      end
+    else
+      sendEvent("char", arg)
+    end
+
+    -- 检查事件是否在events列表中
+  elseif findIndex(config.events, event) then
+    sendEvent(event, arg)
+  end
+end
+
+
+function fn_Thread()
+  fnPressed = false
+  while true do
+    local event, key, is_held = os.pullEvent("key")
+
+    if keys.getName(key) == config.fn_key then
+      fnPressed = true
+
+      while true do
+
+        local event, key = os.pullEvent("key_up")
+        if keys.getName(key) == config.fn_key then
+          fnPressed = false
+
+          break
+        end
+
+      end
+    end
+  end
+end
+
+function key_Thread()
+  
+  while true do
+
+    key_Handle(os.pullEvent())
+
+  end
+end
+term.clear()
+
+loadOrCreateConfig()
+
+initRednet()
+updateDisplay()
+
+parallel.waitForAny(
+  fn_Thread,
+  key_Thread
+)