X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=menu%2Fm_item_vis.c;h=9ae4fdb0a68984bfec6692a6be9ecdd51c0c5374;hb=64845eab0d05cd928ed2455d5bc5b58e0b33c893;hp=b44060127952195d31dbe9d59e756f3914b84b07;hpb=661078ddbde3ce0f3b06e95642fbb9b5fef7dca1;p=ncurses.git

diff --git a/menu/m_item_vis.c b/menu/m_item_vis.c
index b4406012..9ae4fdb0 100644
--- a/menu/m_item_vis.c
+++ b/menu/m_item_vis.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998 Free Software Foundation, Inc.                        *
+ * Copyright 2020,2021 Thomas E. Dickey                                     *
+ * Copyright 1998-2004,2010 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            *
@@ -27,7 +28,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- *   Author: Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> 1995,1997        *
+ *   Author:  Juergen Pfeifer, 1995,1997                                    *
  ****************************************************************************/
 
 /***************************************************************************
@@ -37,30 +38,32 @@
 
 #include "menu.priv.h"
 
-MODULE_ID("$Id: m_item_vis.c,v 1.8 1998/02/11 12:13:49 tom Exp $")
+MODULE_ID("$Id: m_item_vis.c,v 1.20 2021/06/17 21:20:30 tom Exp $")
 
 /*---------------------------------------------------------------------------
-|   Facility      :  libnmenu  
+|   Facility      :  libnmenu
 |   Function      :  bool item_visible(const ITEM *item)
-|   
+|
 |   Description   :  A item is visible if it currently appears in the
 |                    subwindow of a posted menu.
 |
 |   Return Values :  TRUE  if visible
 |                    FALSE if invisible
 +--------------------------------------------------------------------------*/
-bool item_visible(const ITEM * item)
+MENU_EXPORT(bool)
+item_visible(const ITEM *item)
 {
   MENU *menu;
-  
-  if ( item                                               && 
-      (menu=item->imenu)                                  && 
-      (menu->status & _POSTED)                            &&
-      ( (menu->toprow + menu->arows) > (item->y) )        &&
-      ( item->y >= menu->toprow) )
-    return TRUE;
+
+  T((T_CALLED("item_visible(%p)"), (const void *)item));
+  if (item &&
+      (menu = item->imenu) &&
+      (menu->status & _POSTED) &&
+      ((menu->toprow + menu->arows) > (item->y)) &&
+      (item->y >= menu->toprow))
+    returnBool(TRUE);
   else
-    return FALSE;
+    returnBool(FALSE);
 }
 
 /* m_item_vis.c ends here */