ncurses 5.0

[ncurses.git] / menu / m_cursor.c

diff --git a/menu/m_cursor.c b/menu/m_cursor.c
index ca08f5e3331df91ac02ca6780f12d4c105d892fe..a46308954e967a643a28b4edf8ed6b65c45a533a 100644 (file)
--- a/menu/m_cursor.c
+++ b/menu/m_cursor.c
@@ -27,7 +27,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- *   Author: Juergen Pfeifer <Juergen.Pfeifer@T-Online.de> 1995,1997        *
+ *   Author: Juergen Pfeifer <juergen.pfeifer@gmx.net> 1995,1997            *
  ****************************************************************************/
 
 /***************************************************************************
@@ -37,53 +37,74 @@
 
 #include "menu.priv.h"
 
-MODULE_ID("$Id: m_cursor.c,v 1.9 1998/02/11 12:13:50 tom Exp $")
+MODULE_ID("$Id: m_cursor.c,v 1.13 1999/05/16 17:24:43 juergen Exp $")
 
 /*---------------------------------------------------------------------------
-|   Facility      :  libnmenu  
-|   Function      :  pos_menu_cursor  
-|   
-|   Description   :  Position logical cursor to current item in menu
+|   Facility      :  libnmenu
+|   Function      :  _nc_menu_cursor_pos
+|
+|   Description   :  Return position of logical cursor to current item
 |
 |   Return Values :  E_OK            - success
 |                    E_BAD_ARGUMENT  - invalid menu
 |                    E_NOT_POSTED    - Menu is not posted
 +--------------------------------------------------------------------------*/
-int pos_menu_cursor(const MENU * menu)
+int _nc_menu_cursor_pos(const MENU* menu,
+                       const ITEM* item,
+                       int* pY, int* pX)
 {
-  if (!menu)
-    RETURN(E_BAD_ARGUMENT);
+  if (!menu || !pX || !pY)
+    return(E_BAD_ARGUMENT);
   else
     {
-      ITEM *item;
-      int x, y;
-      WINDOW *win, *sub;
-      
+      if ((ITEM*)0 == item)
+       item = menu->curitem;
+      assert(item!=(ITEM*)0);
+
       if ( !( menu->status & _POSTED ) )
-       RETURN(E_NOT_POSTED);
-      
-      item = menu->curitem;
-      assert(item);
-      
-      x = item->x * (menu->spc_cols + menu->itemlen);
-      y = (item->y - menu->toprow) * menu->spc_rows;
+       return(E_NOT_POSTED);
+
+      *pX = item->x * (menu->spc_cols + menu->itemlen);
+      *pY = (item->y - menu->toprow) * menu->spc_rows;
+    }
+  return(E_OK);
+}
+
+/*---------------------------------------------------------------------------
+|   Facility      :  libnmenu
+|   Function      :  pos_menu_cursor
+|
+|   Description   :  Position logical cursor to current item in menu
+|
+|   Return Values :  E_OK            - success
+|                    E_BAD_ARGUMENT  - invalid menu
+|                    E_NOT_POSTED    - Menu is not posted
++--------------------------------------------------------------------------*/
+int pos_menu_cursor(const MENU * menu)
+{
+  WINDOW *win, *sub;
+  int x, y;
+  int err = _nc_menu_cursor_pos(menu,(ITEM*)0,&y,&x);
+
+  if (E_OK==err)
+    {
       win = menu->userwin ? menu->userwin : stdscr;
       sub = menu->usersub ? menu->usersub : win;
       assert(win && sub);
-      
+
       if ((menu->opt & O_SHOWMATCH) && (menu->pindex > 0))
        x += ( menu->pindex + menu->marklen - 1);
-      
+
       wmove(sub,y,x);
-      
+
       if ( win != sub )
        {
          wcursyncup(sub);
          wsyncup(sub);
          untouchwin(sub);
-       } 
+       }
     }
-  RETURN(E_OK);
+  RETURN(err);
 }
 
 /* m_cursor.c ends here */