Method: Curses::Window#attron

Defined in:
ext/curses/curses.c

#attron(attrs) ⇒ Object

Turns on the named attributes attrs without turning any other attributes on or off.

See also Curses::Window.attrset



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# File 'ext/curses/curses.c', line 2812

static VALUE
window_attron(VALUE obj, VALUE attrs)
{
#ifdef HAVE_WATTRON
    struct windata *winp;
    VALUE val;

    GetWINDOW(obj,winp);
    val = INT2FIX(wattron(winp->window,NUM2CHTYPE(attrs)));
    if (rb_block_given_p()) {
  rb_yield(val);
  wattroff(winp->window,NUM2CHTYPE(attrs));
  return val;
    }
    else{
  return val;
    }
#else
    return Qtrue;
#endif
}