p_show.c revision 50276 
1/****************************************************************************
2 * Copyright (c) 1998 Free Software Foundation, Inc.                        *
3 *                                                                          *
4 * Permission is hereby granted, free of charge, to any person obtaining a  *
5 * copy of this software and associated documentation files (the            *
6 * "Software"), to deal in the Software without restriction, including      *
7 * without limitation the rights to use, copy, modify, merge, publish,      *
8 * distribute, distribute with modifications, sublicense, and/or sell       *
9 * copies of the Software, and to permit persons to whom the Software is    *
10 * furnished to do so, subject to the following conditions:                 *
11 *                                                                          *
12 * The above copyright notice and this permission notice shall be included  *
13 * in all copies or substantial portions of the Software.                   *
14 *                                                                          *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
22 *                                                                          *
23 * Except as contained in this notice, the name(s) of the above copyright   *
24 * holders shall not be used in advertising or otherwise to promote the     *
25 * sale, use or other dealings in this Software without prior written       *
26 * authorization.                                                           *
27 ****************************************************************************/
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
39MODULE_ID("$Id: p_show.c,v 1.2 1998/02/11 12:14:01 tom Exp $")
40
41static void
42panel_link_top(PANEL *pan)
43{
44#ifdef TRACE
45  dStack("<lt%d>",1,pan);
46  if(_nc_panel_is_linked(pan))
47    return;
48#endif
49
50  pan->above = (PANEL *)0;
51  pan->below = (PANEL *)0;
52  if(_nc_top_panel)
53    {
54      _nc_top_panel->above = pan;
55      pan->below = _nc_top_panel;
56    }
57  _nc_top_panel = pan;
58  if(!_nc_bottom_panel)
59    _nc_bottom_panel = pan;
60  _nc_calculate_obscure();
61  dStack("<lt%d>",9,pan);
62}
63
64int
65show_panel(PANEL *pan)
66{
67  if(!pan)
68    return(ERR);
69  if(pan == _nc_top_panel)
70    return(OK);
71  dBug(("--> show_panel %s", USER_PTR(pan->user)));
72  if(_nc_panel_is_linked(pan))
73    (void)hide_panel(pan);
74  panel_link_top(pan);
75  return(OK);
76}
77