ncurses 5.7 - patch 20100123
[ncurses.git] / panel / p_bottom.c
index 47abc694a8f41df28612e690c54de6f7ec04dbfe..db814415375c0f4f226b6d9ac1d8bf30e9ca035f 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc.                        *
+ * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,6 +29,7 @@
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1995                    *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Juergen Pfeifer                         1997-1999,2008          *
  ****************************************************************************/
 
 /* p_bottom.c
  */
 #include "panel.priv.h"
 
-MODULE_ID("$Id: p_bottom.c,v 1.2 1998/02/11 12:14:01 tom Exp $")
+MODULE_ID("$Id: p_bottom.c,v 1.13 2010/01/23 21:22:16 tom Exp $")
 
-int
-bottom_panel(PANEL *pan)
+NCURSES_EXPORT(int)
+bottom_panel(PANEL * pan)
 {
-  if(!pan)
-    return(ERR);
-  if(pan == _nc_bottom_panel)
-    return(OK);
-  dBug(("--> bottom_panel %s", USER_PTR(pan->user)));
-  if(_nc_panel_is_linked(pan))
-    (void)hide_panel(pan);
-  _nc_panel_link_bottom(pan);
-  return(OK);
+  int err = OK;
+
+  T((T_CALLED("bottom_panel(%p)"), (void *)pan));
+  if (pan)
+    {
+      GetHook(pan);
+      if (!Is_Bottom(pan))
+       {
+
+         dBug(("--> bottom_panel %s", USER_PTR(pan->user)));
+
+         HIDE_PANEL(pan, err, OK);
+         assert(_nc_bottom_panel == _nc_stdscr_pseudo_panel);
+
+         dStack("<lb%d>", 1, pan);
+
+         pan->below = _nc_bottom_panel;
+         pan->above = _nc_bottom_panel->above;
+         if (pan->above)
+           pan->above->below = pan;
+         _nc_bottom_panel->above = pan;
+
+         dStack("<lb%d>", 9, pan);
+       }
+    }
+  else
+    err = ERR;
+
+  returnCode(err);
 }