Sophie: libncurses5-devel-5.2-27mdk x86

libncurses5-devel-5.2-27mdk.x86_64.rpm

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  * @Id: mitem_current.3x,v 1.9 1998/12/26 19:52:34 tom Exp @
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<H1>mitem_current 3x</H1>
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<PRE>
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</PRE>
<H2>NAME</H2><PRE>
       <STRONG>mitem_current</STRONG> - set and get current_menu_item


</PRE>
<H2>SYNOPSIS</H2><PRE>
       <STRONG>#include</STRONG> <STRONG>&lt;menu.h&gt;</STRONG>
       int set_current_item(MENU *menu, const ITEM *item);
       ITEM *current_item(const MENU *menu);
       int set_top_row(MENU *menu, int row);
       int top_row(const MENU *menu);
       int item_index(const ITEM *item);


</PRE>
<H2>DESCRIPTION</H2><PRE>
       The  function  <STRONG>set_current_item</STRONG> sets the current item (the
       item on  which  the  menu  cursor  is  positioned).   <STRONG>cur-</STRONG>
       <STRONG>rent_item</STRONG>  returns  a  pointer  to the current item in the
       given menu.

       The function <STRONG>set_top_row</STRONG> sets the top row of the  menu  to
       show  the  given  row  (the top row is initially 0, and is
       reset to this value whenever the <STRONG>O_ROWMAJOR</STRONG> option is tog-
       gled).   The  item  leftmost on the given row becomes cur-
       rent.  The function <STRONG>top_row</STRONG> returns the number of the  top
       menu row being displayed.

       The function <STRONG>item_index</STRONG> returns the (zero-origin) index of
       <EM>item</EM> in the menu's item pointer list.


</PRE>
<H2>RETURN VALUE</H2><PRE>
       <STRONG>current_item</STRONG> returns <STRONG>NULL</STRONG> on error.

       <STRONG>top_row</STRONG> and <STRONG>item_index</STRONG>  return  <STRONG>ERR</STRONG>  (the  general  <STRONG>curses</STRONG>
       error value) on error.

       <STRONG>set_current_item</STRONG> and <STRONG>set_top_row</STRONG> return one of the follow-
       ing:

       <STRONG>E_OK</STRONG> The routine succeeded.

       <STRONG>E_SYSTEM_ERROR</STRONG>
            System error occurred (see <STRONG>errno</STRONG>).

       <STRONG>E_BAD_ARGUMENT</STRONG>
            Routine detected an incorrect or  out-of-range  argu-
            ment.

       <STRONG>E_BAD_STATE</STRONG>
            Routine was called from an initialization or termina-
            tion function.

       <STRONG>E_NOT_CONNECTED</STRONG>
            No items are connected to the menu.


</PRE>
<H2>SEE ALSO</H2><PRE>
       <STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="menu.3x.html">menu(3x)</A></STRONG>.


</PRE>
<H2>NOTES</H2><PRE>
       The header file <STRONG>&lt;menu.h&gt;</STRONG> automatically includes the header
       file <STRONG>&lt;curses.h&gt;</STRONG>.


</PRE>
<H2>PORTABILITY</H2><PRE>
       These  routines  emulate  the System V menu library.  They
       were not supported on Version 7 or BSD versions.

       The SVr4 menu library documentation specifies the  <STRONG>top_row</STRONG>
       and  <STRONG>index_item</STRONG>  error  value as -1 (which is the value of
       <STRONG>ERR</STRONG>).


</PRE>
<H2>AUTHORS</H2><PRE>
       Juergen Pfeifer.  Manual  pages  and  adaptation  for  new
       curses by Eric S. Raymond.







































</PRE>
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