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6.7 KiB
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6.7 KiB
HTML
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* @Id: menu_win.3x,v 1.34 2024/12/28 21:26:21 tom Exp @
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN">
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<HTML>
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<meta http-equiv="Content-Type" content="text/html; charset=us-ascii">
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<meta name="generator" content="Manpage converted by man2html - see https://invisible-island.net/scripts/readme.html#others_scripts">
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<TITLE>menu_win 3x 2024-12-28 ncurses 6.6 Library calls</TITLE>
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<link rel="author" href="mailto:bug-ncurses@gnu.org">
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<BODY>
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<H1 class="no-header">menu_win 3x 2024-12-28 ncurses 6.6 Library calls</H1>
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<PRE>
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<STRONG><A HREF="menu_win.3x.html">menu_win(3x)</A></STRONG> Library calls <STRONG><A HREF="menu_win.3x.html">menu_win(3x)</A></STRONG>
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</PRE><H2><a name="h2-NAME">NAME</a></H2><PRE>
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<STRONG>menu_win</STRONG> - make and break menu window and subwindow associations
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</PRE><H2><a name="h2-SYNOPSIS">SYNOPSIS</a></H2><PRE>
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<STRONG>#include</STRONG> <STRONG><menu.h></STRONG>
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<STRONG>int</STRONG> <STRONG>set_menu_win(MENU</STRONG> <STRONG>*</STRONG><EM>menu</EM><STRONG>,</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>win</EM><STRONG>);</STRONG>
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<STRONG>WINDOW</STRONG> <STRONG>*menu_win(const</STRONG> <STRONG>MENU</STRONG> <STRONG>*</STRONG><EM>menu</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>set_menu_sub(MENU</STRONG> <STRONG>*</STRONG><EM>menu</EM><STRONG>,</STRONG> <STRONG>WINDOW</STRONG> <STRONG>*</STRONG><EM>sub</EM><STRONG>);</STRONG>
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<STRONG>WINDOW</STRONG> <STRONG>*menu_sub(const</STRONG> <STRONG>MENU</STRONG> <STRONG>*</STRONG><EM>menu</EM><STRONG>);</STRONG>
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<STRONG>int</STRONG> <STRONG>scale_menu(const</STRONG> <STRONG>MENU</STRONG> <STRONG>*</STRONG><EM>menu</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <STRONG>*</STRONG><EM>rows</EM><STRONG>,</STRONG> <STRONG>int</STRONG> <STRONG>*</STRONG><EM>columns</EM><STRONG>);</STRONG>
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</PRE><H2><a name="h2-DESCRIPTION">DESCRIPTION</a></H2><PRE>
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Every menu has an associated pair of <STRONG>curses</STRONG> windows. The menu window
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displays any title and border associated with the window; the menu
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subwindow displays the items of the menu that are currently available
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for selection.
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The first four functions get and set those windows. It is not
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necessary to set either window; by default, the driver code uses <STRONG>stdscr</STRONG>
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for both.
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In the <STRONG>set_</STRONG> functions, window argument of <EM>NULL</EM> is treated as though it
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were <STRONG>stsdcr</STRONG>. A menu argument of <EM>NULL</EM> is treated as a request to change
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the system default menu window or subwindow.
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The function <STRONG>scale_menu</STRONG> returns the minimum size required for the
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subwindow of <EM>menu</EM>.
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</PRE><H2><a name="h2-RETURN-VALUE">RETURN VALUE</a></H2><PRE>
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Routines that return pointers return <EM>NULL</EM> on error. Routines that
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return an integer return one of the following error codes:
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<STRONG>E_OK</STRONG> The routine succeeded.
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<STRONG>E_SYSTEM_ERROR</STRONG>
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System error occurred (see <STRONG>errno(3)</STRONG>).
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<STRONG>E_BAD_ARGUMENT</STRONG>
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Routine detected an incorrect or out-of-range argument.
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<STRONG>E_POSTED</STRONG>
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The menu has already been posted.
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<STRONG>E_NOT_CONNECTED</STRONG>
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No items are connected to the menu.
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</PRE><H2><a name="h2-PORTABILITY">PORTABILITY</a></H2><PRE>
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These routines emulate the System V menu library. They were not
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supported on Version 7 or BSD versions.
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</PRE><H2><a name="h2-AUTHORS">AUTHORS</a></H2><PRE>
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Juergen Pfeifer. Manual pages and adaptation for new curses by Eric S.
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Raymond.
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</PRE><H2><a name="h2-SEE-ALSO">SEE ALSO</a></H2><PRE>
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<STRONG><A HREF="ncurses.3x.html">curses(3x)</A></STRONG>, <STRONG><A HREF="curs_variables.3x.html">curs_variables(3x)</A></STRONG>, <STRONG><A HREF="menu.3x.html">menu(3x)</A></STRONG>
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ncurses 6.6 2024-12-28 <STRONG><A HREF="menu_win.3x.html">menu_win(3x)</A></STRONG>
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</PRE>
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<div class="nav">
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<ul>
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<li><a href="#h2-NAME">NAME</a></li>
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<li><a href="#h2-SYNOPSIS">SYNOPSIS</a></li>
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<li><a href="#h2-DESCRIPTION">DESCRIPTION</a></li>
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<li><a href="#h2-RETURN-VALUE">RETURN VALUE</a></li>
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<li><a href="#h2-PORTABILITY">PORTABILITY</a></li>
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<li><a href="#h2-AUTHORS">AUTHORS</a></li>
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<li><a href="#h2-SEE-ALSO">SEE ALSO</a></li>
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</ul>
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