BtnCtrl

print("BtnCtrl Running...")

d = peripheral.wrap("top")
r = rednet.open("left")

d.setCursorPos(1,1)
d.setTextColor(colors.white)

function btnCon(pH1,pH2,pW1,pW2,pTxt,pRNID)
    btn={}
    btn.HBounds={H1=pH1,H2=pH2}
    btn.WBounds={W1=pW1,W2=pW2}
    btn.Txt=pTxt
    btn.RNID=pRNID
    btn.Enabled=false
    return btn
end

function draw(pHBounds,pWBounds,pText)
    d.setBackgroundColor(colors.red)

    for y=pHBounds.H1,pHBounds.H2 do
        for x=pWBounds.W1,pWBounds.W2 do
            d.setCursorPos(x,y)
            if y==pHBounds.H1+2 and x==pWBounds.W1+5 then
                d.write(pText)
            else
                d.write(" ")
            end
        end
    end
end

function ClearAndReset()
    d.setCursorPos(1,1)
    d.setBackgroundColor(colors.black)

    for x=1,39 do
        for y=1,19 do
            d.setCursorPos(x,y)
            d.write(" ")
            end
        end
    d.clear()
    d.setCursorPos(37,1)
    d.setBackgroundColor(colors.red)
    d.write("   ")
    d.setCursorPos(37,2)
    d.write(" X ")
    d.setCursorPos(37,3)
    d.write("   ")
    d.setCursorPos(1,1)

end

btns={}

btns[1]=btnCon(2,6,15,25,"F",2)
btns[2]=btnCon(14,18,15,25,"B",5)
btns[3]=btnCon(8,12,28,38,"R",3)
btns[4]=btnCon(8,12,2,12,"L",4)

ClearAndReset()

for z=1,4 do
    b=btns[z]
    draw(b.HBounds,b.WBounds,b.Txt)
end

while true do
    input = {os.pullEvent("monitor_touch")}

    TX = input[3]
    TY = input[4]

    if(TX>=37 and TX<=39) and (TY>=1 and TY<=3) then
        ClearAndReset()
        break
    end

    for z=1,4 do
        b=btns[z]

        W1 = b.WBounds.W1
        W2 = b.WBounds.W2
        H1 = b.HBounds.H1
        H2 = b.HBounds.H2

        if (TX>=W1 and TX<=W2) and (TY>=H1 and TY<=H2) then
            rednet.send(2,b.Txt)
        end
    end
end

d.write("BtnCtrl Terminated!")