freebsd-dev/contrib/ncurses/panel/p_bottom.c

/****************************************************************************
 * Copyright (c) 1998 Free Software Foundation, Inc.                        *
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/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995                    *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 ****************************************************************************/

/* p_bottom.c
 * Place a panel on bottom of the stack; may already be in the stack 
 */
#include "panel.priv.h"

MODULE_ID("$Id: p_bottom.c,v 1.7 1999/11/25 13:49:26 juergen Exp $")

int
bottom_panel(PANEL *pan)
{
  int err = OK;

  if (pan) {

    if(!Is_Bottom(pan)) {
      
      dBug(("--> bottom_panel %s", USER_PTR(pan->user)));
     
      HIDE_PANEL(pan,err,FALSE);
      assert(_nc_bottom_panel == _nc_stdscr_pseudo_panel);
      
      dStack("<lb%d>",1,pan);      
      
      pan->below = _nc_bottom_panel;
      pan->above = _nc_bottom_panel->above;
      if (pan->above)
	pan->above->below = pan;
      _nc_bottom_panel->above = pan;
      
      dStack("<lb%d>",9,pan);
    }
  }
  else
    err = ERR;
  
  return(err);
}