Simple Menu System

--[[
Menu File
Written by TheShadow989
]]--

local menu_options =
{
    [1] = {text="Command ", yMenu=1, xMenu=1, yPos=8, xPos=9, color=colors.yellow},
    [2] = {text="Programs", yMenu=2, xMenu=1, yPos=9, xPos=9, color=colors.yellow},
    [3] = {text="Accounts", yMenu=3, xMenu=1, yPos=10, xPos=9, color=colors.yellow},
    [4] = {text="Details ", yMenu=4, xMenu=1, yPos=11, xPos=9, color=colors.yellow},
    [5] = {text="Shutdown", yMenu=5, xMenu=1, yPos=12, xPos=9, color=colors.red},
    [6] = {text="Settings", yMenu=1, xMenu=2, yPos=8, xPos=21, color=colors.yellow},
    [7] = {text="Option2 ", yMenu=2, xMenu=2, yPos=9, xPos=21, color=colors.yellow},
    [8] = {text="Option3 ", yMenu=1, xMenu=3, yPos=8, xPos=33, color=colors.yellow},
    [9] = {text="Option4 ", yMenu=2, xMenu=3, yPos=9, xPos=33, color=colors.yellow},
    [10] = {text="Option5 ", yMenu=3, xMenu=3, yPos=10, xPos=33, color=colors.yellow},
}

local function menuDraw(yyMenu, xxMenu)

    for index, data in pairs(menu_options) do
        term.setCursorPos(data.xPos, data.yPos)

        menu_options[index].bounds =
        {
            x1 = data.xPos;
            x2 = #data.text+data.xPos+3;
            y = data.yPos;
        }

        if data.yMenu == yyMenu and data.xMenu == xxMenu then
            term.setTextColor(data.color)
            text = "[ "..data.text.." ]"
        else
            term.setTextColor(colors.white)
            text = "  "..data.text.."  "
        end
        term.write(text)
    end
end

local function checkClick(x,y)
    for index, data in pairs(menu_options) do
        if x>data.bounds.x1 and x<data.bounds.x2 and y==data.bounds.y then
            return data.yMenu, data.xMenu
        end
    end
    return false, false
end

term.clear()
local yyMenu, xxMenu = 1,1

while true do
    menuDraw(yyMenu, xxMenu)
    local e = {os.pullEvent()}

    if e[1] == "key" then --dont need this if you only use keyboard controls
        if e[2] == keys.down then
            for index, data in pairs(menu_options) do
                if data.yMenu == yyMenu+1 and data.xMenu == xxMenu then
                    yyMenu = yyMenu+1
                    break
                end
            end

        elseif e[2] == keys.up then
            for index, data in pairs(menu_options) do
                if data.yMenu == yyMenu-1 and data.xMenu == xxMenu then
                    yyMenu = yyMenu-1
                    break
                end
            end

        elseif e[2] == keys.right then
            for index, data in pairs(menu_options) do
                if data.yMenu == yyMenu and data.xMenu == xxMenu+1 then
                    xxMenu = xxMenu+1
                    break
                end
            end

        elseif e[2] == keys.left then
            for index, data in pairs(menu_options) do
                if data.yMenu == yyMenu and data.xMenu == xxMenu-1 then
                    xxMenu = xxMenu-1
                    break
                end
            end

        elseif e[2] == keys.enter then
            break
        end
    elseif e[1] == "mouse_click" then
        yyMenuclick, xxMenuclick = checkClick(e[3], e[4]) --Check the mouse click
        if yyMenuclick and xxMenuclick then --If checkClick returns a value and not false
            yyMenu = yyMenuclick
            xxMenu = xxMenuclick
            break
        end
    end
end

if yyMenu == 1 and xxMenu == 1 then
    print("Command Was Selected")
end
if yyMenu == 3 and xxMenu == 1 then
    print("Accounts Was Selected")
end
if yyMenu == 2 and xxMenu == 2 then
    print("Option2 Was Selected")
end
if yyMenu == 1 and xxMenu == 2 then
    print("Settings Was Selected")
end