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    Using Arrow Keys with inputs – Python

    9th December 2014

    Python

    Using Arrow Keys with inputs - Python,,

    Using arrow keys with python can be tricky so the code below should help: –

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    import curses
     
    # get the curses screen window
    screen = curses.initscr()
     
    # turn off input echoing
    curses.noecho()
     
    # respond to keys immediately (don't wait for enter)
    curses.cbreak()
     
    # map arrow keys to special values
    screen.keypad(True)
     
    try:
        while True:
            char = screen.getch()
            if char == ord('q'):
                break
            elif char == curses.KEY_RIGHT:
                # print doesn't work with curses, use addstr instead
                screen.addstr(0, 0, 'right')
            elif char == curses.KEY_LEFT:
                screen.addstr(0, 0, 'left ')      
            elif char == curses.KEY_UP:
                screen.addstr(0, 0, 'up   ')      
            elif char == curses.KEY_DOWN:
                screen.addstr(0, 0, 'down ')
    finally:
        # shut down cleanly
        curses.nocbreak(); screen.keypad(0); curses.echo()
        curses.endwin()
     

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