xref: /openbsd/lib/libpanel/p_bottom.c (revision 76d0caae)
1 /* $OpenBSD: p_bottom.c,v 1.6 2010/01/12 23:22:08 nicm Exp $ */
2 
3 /****************************************************************************
4  * Copyright (c) 1998-2000,2005 Free Software Foundation, Inc.              *
5  *                                                                          *
6  * Permission is hereby granted, free of charge, to any person obtaining a  *
7  * copy of this software and associated documentation files (the            *
8  * "Software"), to deal in the Software without restriction, including      *
9  * without limitation the rights to use, copy, modify, merge, publish,      *
10  * distribute, distribute with modifications, sublicense, and/or sell       *
11  * copies of the Software, and to permit persons to whom the Software is    *
12  * furnished to do so, subject to the following conditions:                 *
13  *                                                                          *
14  * The above copyright notice and this permission notice shall be included  *
15  * in all copies or substantial portions of the Software.                   *
16  *                                                                          *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
20  * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
21  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
22  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
23  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
24  *                                                                          *
25  * Except as contained in this notice, the name(s) of the above copyright   *
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30 
31 /****************************************************************************
32  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995                    *
33  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
34  ****************************************************************************/
35 
36 /* p_bottom.c
37  * Place a panel on bottom of the stack; may already be in the stack
38  */
39 #include "panel.priv.h"
40 
41 MODULE_ID("$Id: p_bottom.c,v 1.6 2010/01/12 23:22:08 nicm Exp $")
42 
43 NCURSES_EXPORT(int)
44 bottom_panel(PANEL * pan)
45 {
46   int err = OK;
47 
48   T((T_CALLED("bottom_panel(%p)"), pan));
49   if (pan)
50     {
51       if (!Is_Bottom(pan))
52 	{
53 
54 	  dBug(("--> bottom_panel %s", USER_PTR(pan->user)));
55 
56 	  HIDE_PANEL(pan, err, OK);
57 	  assert(_nc_bottom_panel == _nc_stdscr_pseudo_panel);
58 
59 	  dStack("<lb%d>", 1, pan);
60 
61 	  pan->below = _nc_bottom_panel;
62 	  pan->above = _nc_bottom_panel->above;
63 	  if (pan->above)
64 	    pan->above->below = pan;
65 	  _nc_bottom_panel->above = pan;
66 
67 	  dStack("<lb%d>", 9, pan);
68 	}
69     }
70   else
71     err = ERR;
72 
73   returnCode(err);
74 }
75