[ALPHA] KeyMouse

local event = require("event")
local component = require("component")
local gpu = component.gpu

local resX, resY = gpu.getResolution()
local mouseX, mouseY = 1, 1

local function stop()
    local running = false
end

local function moveMouse(side)
    if side == "up" then
        if mouseY ~= 1 then
            gpu.set(mouseX, mouseY, oldPix)
            mouseY = mouseY-1
            oldPix = gpu.get(mouseX, mouseY)
            gpu.set(mouseX, mouseY, "█")
        end
    elseif side == "left" then
        if mouseX ~= 1 then
            gpu.set(mouseX, mouseY, oldPix)
            mouseX = mouseX-1
            oldPix = gpu.get(mouseX, mouseY)
            gpu.set(mouseX, mouseY, "█")
        end
    elseif side == "down" then
        if mouseY ~= resY then
            gpu.set(mouseX, mouseY, oldPix)
            mouseY = mouseY+1
            oldPix = gpu.get(mouseX, mouseY)
            gpu.set(mouseX, mouseY, "█")
        end
    elseif side == "right" then
        if mouseX ~= resX then
            gpu.set(mouseX, mouseY, oldPix)
            mouseX = mouseX+1
            oldPix = gpu.get(mouseX, mouseY)
            gpu.set(mouseX, mouseY, "█")
        end
    end
end

local function run()
    oldPix = gpu.get(mouseX, mouseY)
    gpu.set(mouseX, mouseY, "█")
    local running = true
    while running do
        local _, _, key, code = event.pull("key_down")
        if key == 0 and code == 88 then
            stop()
        elseif key == 119 and code == 17 then
            moveMouse("up")
        elseif key == 97 and code == 30 then
            moveMouse("left")
        elseif key == 115 and code == 31 then
            moveMouse("back")
        elseif key == 100 and code == 32 then
            moveMouse("right")
        elseif key == 13 and code == 28 then
            computer.pushSignal("touch", component.screen.address, mouseX, mouseY, 0, "KeyMouse")
        elseif key == 0 and code == 157 then
            computer.pushSignal("touch", component.screen.address, mouseX, mouseY, 1, "KeyMouse")
        end
    end
end

local function init(_, _,  key, code)
    if key == 0 and code == 68 then
        run()
    end
end

event.listen("key_down", init)