require 'curses'
    include Curses

    init_screen

    begin
    crmode

    win0 = Window.new(10,10,10,10)
    win0.addstr "Press 'x' to exit"
    win0.box '|', '-'
    win0.refresh # This is neccary for showing 2 windows at the same time. Without it, we'd have this window, then it would dissapear, and then we would have the second window. Refreshing populates a window before its getch.

    #note that we have a window within a window here. addstr, refresh and getch are all refering to the unnamed 'master window, and win1 is inside this master, but placed ontop of it, because comes later on in the code.

    height = 30
    width = 10
    posy = (lines - height) / 2 ##
    posx = (cols - height) / 2  # These calculations provide parameters for a window that is always centered.

    win1 = Window.new(height, width, posy, posx) # creates a new window. Parameters are width of window, heighth of window, x coordinate and y coordinate
    win1.box '|', '-' # creates a border around the window. The first parameter is the character we want to replicate inorder to create the vertical side of the box. The second paramter is the character we want to replicate to create the horizontal sides of the box.


    close_window = false
    while close_window == false
        ch = win1.getch
        case ch
            when 'a'
                win1.clear
                win1 = Window.new(height, width, posy, posx-=1)
                win1.box '|', '-'
            when 's'
                win1.clear
                win1 = Window.new(height, width, posy+=1, posx)
                win1.box '|', '-'
            when 'd'
                win1.clear
                win1 = Window.new(height, width, posy, posx+=1)
                win1.box '|', '-'
            when 'w'
                win1.clear
                win1 = Window.new(height, width, posy-=1, posx)
                win1.box '|', '-'
            when 'x'
                close_window = true
            else
                win1.addstr 'Error: ' + ch.to_s
                win1.getch
        end
    end

    win0.getch
    ensure
        close_screen
    end