gui

os.pullEvent = os.pullEventRaw
local tChoices = {}
tChoices[0] = 'Locking Wizard'
tChoices[1] = 'Reserved'
tChoices[2] = 'Reserved'
tChoices[3] = 'Reserved'
table.insert(tChoices, 'Exit')
local nTermX, nTermY = term.getSize()
local sSeperator = ("-"):rep(nTermX)
local tActions = {}

tActions[0] = function()
    term.clear()
    term.setCursorPos(1, 1)
    write("Starting Locking Wizard")
    write('\n')
    write("Coded By resaloli")
    term.setCursorPos(nTermX / 2, nTermY)
    write("    [Press enter to start]")
    read()
    shell.run("/disk/wizard")
end
tActions[1] = function()
    term.clear()
    term.setCursorPos(1, 1)
    print("Nothing yet!")
    write("    [Press enter to return to main menu]")
    read()
end
tActions[2] = function()
    term.clear()
    term.setCursorPos(1, 1)
    print("Nothing yet!")
    write("    [Press enter to return to main menu]")
    read()
end
tActions[3] = function()
    term.clear()
    term.setCursorPos(1, 1)
    print("Nothing yet!")
    write("    [Press enter to return to main menu]")
    read()
end

table.insert(tActions, os.reboot)

local nSelection = 0

while true do
    term.setCursorPos(1, 1)
    term.clear()
    print(sSeperator)
    print("|                      Resaloli simple GUI                |")
    print(sSeperator)

    for nLine = 0, #tChoices do
        local sLine = " "
        if nSelection == nLine then
            sLine = ">"
        end
        local sLineNum = tostring(nLine)
        if #sLineNum < 2 then
            sLineNum = sLineNum
        end
        sLine = sLine .. "[" .. sLineNum .. "]" .. " " .. tChoices[nLine]
        print(sLine)
    end
    local sEvent, nKey = os.pullEvent("key")

    if nKey == 200 or nKey == 17 then
        if tChoices[nSelection - 1] then
            nSelection = nSelection - 1
        end
    elseif nKey == 208 or nKey == 31  then
        if tChoices[nSelection + 1] then
            nSelection = nSelection + 1
        end
    elseif nKey == 28 then
        if tActions[nSelection] then
            tActions[nSelection]()
        else
            print("Error: Selection out of bounds: ", nSelection)
            read()
        end
    end
end