method

scrl

v1_9_3_125 - Show latest stable - Class: Curses::Window

scrl(p1)

public

Scrolls the current window Fixnum num lines. The current cursor position is not changed.

For positive num, it scrolls up.

For negative num, it scrolls down.

static VALUE
window_scrl(VALUE obj, VALUE n)
{
#ifdef HAVE_WSCRL
    struct windata *winp;

    GetWINDOW(obj, winp);
    /* may have to raise exception on ERR */
    return (wscrl(winp->window,NUM2INT(n)) == OK) ? Qtrue : Qfalse;
#else
    return Qfalse;
#endif
}

scrl

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