Minecraft CC GUI

display  = peripheral.wrap("right")

function resetOutDevice(var_device)
    var_device.setCursorPos(1, 1)
    var_device.setBackgroundColor(colors.black)
    var_device.setTextColor(colors.white)
    var_device.clear()
end

function createButton(var_xPos, var_yPos, var_bgColor, var_textColor, var_text, var_btnID, var_pointer, var_device)
    var_device.setCursorPos(var_xPos, var_yPos)
    var_device.setBackgroundColor(var_bgColor)
    var_device.setTextColor(var_textColor)
    var_device.write(var_text)

    var_buttonList[var_btnID] = {}
    var_buttonList[var_btnID][0] = var_xPos
    var_buttonList[var_btnID][1] = var_yPos
    var_buttonList[var_btnID][2] = var_xPos + string.len(var_text) - 1
    var_buttonList[var_btnID][3] = var_pointer

end

function createLabel(var_xPos, var_yPos, var_bgColor, var_textColor, var_text, var_device)
    var_device.setCursorPos(var_xPos, var_yPos)
    var_device.setBackgroundColor(var_bgColor)
    var_device.setTextColor(var_textColor)
    var_device.write(var_text)
end

function createVerticalBars(var_xPos, var_yPos, var_priColor, var_secColor, var_maxValue, var_curValue, var_size, var_device)
    for var_loop1 = 0, var_maxValue - 1 do
        var_device.setCursorPos(var_xPos, var_yPos - var_loop1)
        for var_loop2 = 0, var_size do
            if var_loop1 < var_curValue then
                var_device.setBackgroundColor(var_priColor)
            else
                var_device.setBackgroundColor(var_secColor)
            end
            var_device.write(" ")
        end
    end
end

function mainProcess()
    resetOutDevice(display)

    var_buttonList = {}
    createButton(3, 1, colors.yellow, colors.black, "clear", 1, "clearPointer", display)
    createButton(3, 3, colors.yellow, colors.black, "print", 2, "printPointer", display)
    createButton(3, 5, colors.yellow, colors.black, "close", 3, "closePointer", display)
end

function awaitTouch()
    while true do
        local event, side, var_x, var_y = os.pullEvent("monitor_touch")
        print("TOUCH")

        for var_loop1 = 1, #var_buttonList do
            if var_x > var_buttonList[var_loop1][0] and var_y == var_buttonList[var_loop1][1] and var_x < var_buttonList[var_loop1][2] then
                print(var_buttonList[var_loop1][3])
            else
                print("Miss")
            end
        end
    end
end

parallel.waitForAll(awaitTouch, mainProcess)