xref: /freebsd/contrib/ncurses/panel/p_show.c (revision 641a6cfb86023499caafe26a4d821a0b885cf00b)
1 /****************************************************************************
2  * Copyright (c) 1998-2000,2005 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 1.11 2005/02/19 16:42:02 tom Exp $")
40 
41 NCURSES_EXPORT(int)
42 show_panel(PANEL * pan)
43 {
44   int err = OK;
45 
46   T((T_CALLED("show_panel(%p)"), pan));
47 
48   if (!pan)
49     returnCode(ERR);
50 
51   if (Is_Top(pan))
52     returnCode(OK);
53 
54   dBug(("--> show_panel %s", USER_PTR(pan->user)));
55 
56   HIDE_PANEL(pan, err, OK);
57 
58   dStack("<lt%d>", 1, pan);
59   assert(_nc_bottom_panel == _nc_stdscr_pseudo_panel);
60 
61   _nc_top_panel->above = pan;
62   pan->below = _nc_top_panel;
63   pan->above = (PANEL *) 0;
64   _nc_top_panel = pan;
65 
66   dStack("<lt%d>", 9, pan);
67 
68   returnCode(OK);
69 }
70