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

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/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995                    *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 ****************************************************************************/

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

MODULE_ID("$Id: p_show.c,v 1.9 2001/02/24 23:46:50 tom Exp $")

NCURSES_EXPORT(int)
show_panel (PANEL *pan)
{ 
  int err = OK;

  if(!pan)
    return(ERR);

  if (Is_Top(pan))
    return(OK);

  dBug(("--> show_panel %s", USER_PTR(pan->user)));

  HIDE_PANEL(pan,err,OK);

  dStack("<lt%d>",1,pan);
  assert(_nc_bottom_panel == _nc_stdscr_pseudo_panel);

  _nc_top_panel->above = pan;
  pan->below = _nc_top_panel;  
  pan->above = (PANEL *)0;
  _nc_top_panel = pan;
  
  dStack("<lt%d>",9,pan);

  return(OK);
}