rosv001

--save as .menu in main dir
function clear()
    term.clear()
    term.setCursorPos(1, 1)
end

function printCentred (y,s)
    local x = math.floor((w - string.len(s)) /2)
    term.setCursorPos(x, y)
    term.clearLine()
    term.write(s)
end

local choose = 1
--Menu
local function drawMenu()
    clear()
    term.write("---Rauten Os v.001---")
term.setCursorPos(1, 2)
shell.run("id")

    term.setCursorPos(w-11,1)
    if choose == 1 then
        term.write("Desktop")
    elseif choose == 2 then
        term.write("Programs")
    elseif choose == 3 then
        term.write("Shutdown")
    elseif choose == 4 then
        term.write("Uninstall")
    else
        end
end

--UI

term.clear()
local function drawFrontend()
    printCentred(math.floor(h/2) - 3, "")
    printCentred(math.floor(h/2) - 2, "Menu")
    printCentred(math.floor(h/2) - 1, "")
    printCentred(math.floor(h/2) + 0, ((choose == 1) and "[ Command ]") or "Command")
    printCentred(math.floor(h/2) + 1, ((choose == 2) and "[ Promgrams ]") or "Programs"
    printCentred(math.floor(h/2) + 2, ((choose == 3) and "[ Shutdown ]") or "Shutdown"
    printCentred(math.floor(h/2) + 3, ((choose == 4) and "[ Uninstall ]") or "Unsinstall"
    printCentred(math.floor(h/2) + 4, "")
end

--Display
drawMenu()
drawFrontend()

while true do
    local e,p = os.pullEvent()
    if e == "key" then
        local key = p
        if key == 17 or key == 200 then

            if choose > 1 then
                choose = choose - 1
                drawMenu()
                drawFrontend()
            end
        elseif key == 31 or key == 208 then
        if choose < 4 then
            choose = choose +1
            drawMenu()
            drawFrontend()
        end
        elseif key == 28 then
        break
end
end
endterm.clear()

--Events
if choose == 1 then
    shell.run("ros/.command")
elseif choose == 2 then
    shell.rn("ros/.programs")
elseif choose == 3 then
    shell.run("shutdown")
else
    shell.run("ris/.uninstall")
end