ComputerCraft: Touchscreen Right-Click

local timesTouched = 0
local waitingForClicks = false
local waitingPos = {}
os.startTimer(0.4)
while true do
    local event = { os.pullEvent() }

    if event[1] == "monitor_touch" then
        local xPos = event[3]
        local yPos = event[4]

        timesTouched = timesTouched + 1

        if timesTouched < 2 then
            waitingForClicks = true
            waitingPos = {xPos, yPos}
        elseif timesTouched == 2 then
            os.queueEvent( "mouse_click", 2, xPos, yPos )
            waitingForClicks = false
        end
    elseif event[1] == "mouse_click" then
        print( event[2].." : "..event[3].." : "..event[4] )
    elseif event[1] == "timer" then
        timesTouched = 0
        if waitingForClicks then
            os.queueEvent( "mouse_click", 1, waitingPos[1], waitingPos[2] )
        end
        waitingForClicks = false
        os.startTimer(0.4)
    end
end