release/src/router/libncurses/panel/p_show.c

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   2  * Copyright (c) 1998-2005,2010 Free Software Foundation, Inc.              *
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  28
  29 /****************************************************************************
  30  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995                    *
  31  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
  32  ****************************************************************************/
  33
  34 /* p_show.c
  35  * Place a panel on top of the stack; may already be in the stack
  36  */
  37 #include "panel.priv.h"
  38
  39 MODULE_ID("$Id: p_show.c,v 1.13 2010/01/23 21:22:16 tom Exp $")
  40
  41 NCURSES_EXPORT(int)
  42 show_panel(PANEL * pan)
  43 {
  44   int err = ERR;
  45
  46   T((T_CALLED("show_panel(%p)"), (void *)pan));
  47
  48   if (pan)
  49     {
  50       GetHook(pan);
  51
  52       if (Is_Top(pan))
  53         returnCode(OK);
  54
  55       dBug(("--> show_panel %s", USER_PTR(pan->user)));
  56
  57       HIDE_PANEL(pan, err, OK);
  58
  59       dStack("<lt%d>", 1, pan);
  60       assert(_nc_bottom_panel == _nc_stdscr_pseudo_panel);
  61
  62       _nc_top_panel->above = pan;
  63       pan->below = _nc_top_panel;
  64       pan->above = (PANEL *) 0;
  65       _nc_top_panel = pan;
  66
  67       err = OK;
  68
  69       dStack("<lt%d>", 9, pan);
  70     }
  71   returnCode(err);
  72 }