xref: /freebsd/contrib/ncurses/panel/p_bottom.c (revision 4928135658a9d0eaee37003df6137ab363fcb0b4)
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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  *     and: Juergen Pfeifer                         1997-1999,2008          *
33  ****************************************************************************/
34 
35 /* p_bottom.c
36  * Place a panel on bottom of the stack; may already be in the stack
37  */
38 #include "panel.priv.h"
39 
40 MODULE_ID("$Id: p_bottom.c,v 1.13 2010/01/23 21:22:16 tom Exp $")
41 
42 NCURSES_EXPORT(int)
43 bottom_panel(PANEL * pan)
44 {
45   int err = OK;
46 
47   T((T_CALLED("bottom_panel(%p)"), (void *)pan));
48   if (pan)
49     {
50       GetHook(pan);
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