fix: remove unnecessary key system

lua/CC Tweaked/tutel/tutel-host.lua

@@ -177,44 +177,26 @@ function handleMessages(side, channel, replyChannel, message, dist)
 
     log.info("processed command (%s)", message.name)
 end
+
 registerEventListener("modem_message", handleMessages)
 
-local logOffset = 0
-
--- to-do: add key handlers
-
 --[[
     key handling
 ]]
-local keyListeners = {}
-function registerKeyListener(id, listener)
-    if not keyListeners[id] then keyListeners[id] = {} end
-    table.insert(keyListeners[id], listener)
+local logOffset = 0
 
-end
-
-function dispatchKey(key, isHeld)
-    local keyTbl = eventListeners[key]
-    if not keyTbl then return end
-
-    for i = 1, #keyTbl, 1 do
-        keyTbl[i](isHeld)
+function scrollLogs(isHeld)
+    if key == 264 then
+        logOffset = logOffset - 1
+    elseif key == 265 then
+        logOffset = logOffset + 1
     end
-end
-registerEventListener("key", dispatchKey)
 
-function scrollLogsUp(isHeld)
-    logOffset = logOffset - 1
     if logOffset < 0 then logOffset = 0 end
+    if logOffset >= #log.buffer then logOffset = #log.buffer - 1 end
 end
-registerKeyListener(265, scrollLogsUp)
-
-function scrollLogsDown(isHeld)
-    logOffset = logOffset + 1
-    if logOffset >= #log.buffer then  logOffset = #log.buffer - 1 end
-end
-registerKeyListener(264, scrollLogsUp)
 
+registerEventListener("key", scrollLogs)
 
 --[[
     main
@@ -240,16 +222,16 @@ function updateScreen()
     -- reset state and clear screen
     term.setBackgroundColor(colors.black)
     term.clear()
-    
+
     -- -- title bar
     term.setCursorPos(1, 1)
 
     term.setBackgroundColor(colors.lightGray)
     term.setTextColour(colors.black)
-    
+
     term.clearLine()
     drawTextCentered("tutel host controller")
-    
+
     term.setBackgroundColor(colors.black)
     term.setTextColour(colors.white)
 
@@ -303,7 +285,7 @@ end
 --[[
     main loop
 ]]
-for i=0, 15, 1 do
+for i = 0, 15, 1 do
     log.info("some log %d", i)
     log.warning("some warning %d", i)
 end
@@ -312,4 +294,4 @@ sendToAll("SCAN", { ["hostChannel"] = HOST_CHANNEL })
 while true do
     updateScreen()
     pollEvents()
-end
+end