PIN lock for Doggy OS pocket

local buttons = {
    { name = "Command", x = 2, y = 3, width = 15, height = 1, color = colors.gray, command = "/disk/os/home.lua" },
    { name = "Programs", x = 2, y = 5, width = 15, height = 1, color = colors.gray, command = "/disk/os/programs" },
    { name = "All Programs", x = 2, y = 9, width = 15, height = 1, color = colors.gray, command = "showAllPrograms" },
    { name = "Power Menu", x = 2, y = 11, width = 15, height = 1, color = colors.gray, command = "showPowerMenu" }
}

local function drawAllPrograms()
    term.setBackgroundColor(colors.gray)
    term.setTextColor(colors.white)
    term.clear()
    term.setCursorPos(1, 1)
    term.write("All Programs:")

    local programPath = "/disk/packages/"
    local programs = fs.list(programPath)

    local y = 3
    for _, program in ipairs(programs) do
        term.setCursorPos(2, y)
        term.clearLine()
        term.write(" " .. program .. " ")
        y = y + 1
    end
end

-- ... (rest of the code remains unchanged)

local function handleButtonClick(command)
    if command == "showAllPrograms" then
        drawAllPrograms()
        os.pullEvent("key")  -- Wait for a key press to return to the homescreen
    else
        launchApp(command)
    end
end

-- ... (rest of the code remains unchanged)

local function homescreen()
    while true do
        drawHomescreen()
        local event, _, x, y = os.pullEvent("mouse_click")

        if event == "mouse_click" then
            local appCommand = handleAppClick(x, y)
            if appCommand then
                handleButtonClick(appCommand)
                return  -- Terminate the program after launching the app or showing power menu
            end
        end
    end
end

homescreen()