drawv2

function contains(b,x,y)
    if (b[1]<=x and x<=b[2]) and (b[3]<=y and y<=b[4]) then
        return true
    else
        return false
    end
end

local m = peripheral.wrap("left")
local m2 = peripheral.wrap("top")
m2.clear()
local paintFlag = true

term.redirect(m)
term.setBackgroundColor(colors.white)
term.clear()

local cols = {
    colors.black,
    colors.red,
    colors.green,
    colors.blue,
    colors.brown,
    colors.yellow,
    colors.magenta,
    colors.cyan,
    colors.orange,
    colors.white
}

local btns = {
    [1]={1,10,18,12,colors.black},
    [2]={1,11,2,12,colors.red},
    [3]={3,11,4,12,colors.green},
    [4]={5,11,6,12,colors.blue},
    [5]={7,11,8,12,colors.brown},
    [6]={9,11,10,12,colors.yellow},
    [7]={11,11,12,12,colors.magenta},
    [8]={13,11,14,12,colors.cyan},
    [9]={15,11,16,12,colors.orange},
    [10]={17,11,19,11,colors.white},
}

while true do
    paintFlag = true
    m2.setCursorPos(1,1)

    for k, b in ipairs(btns) do
        paintutils.drawFilledBox(b[1],b[2],b[3],b[4],b[5])
    end

    local e = {os.pullEvent()}
    m2.write(e[3])
    m2.write(e[4])
    if (e[1] == "monitor_touch") then

        for k, b in ipairs(btns) do
            if (contains(b,e[3],e[4])==true) then
                c = cols[k]
                m2.setCursorPos(1,2)
                m2.write()
                paintFlag=false
            end
        end

        if(paintFlag) then
            paintutils.drawPixel(e[3],e[4],c)
        end

    end
end