diff options
Diffstat (limited to 'man/menu_hook.3x')
| -rw-r--r-- | man/menu_hook.3x | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/man/menu_hook.3x b/man/menu_hook.3x index 1fd74de..adf0cb4 100644 --- a/man/menu_hook.3x +++ b/man/menu_hook.3x @@ -1,6 +1,7 @@ '\" t .\"*************************************************************************** -.\" Copyright (c) 1998-2007,2010 Free Software Foundation, Inc. * +.\" Copyright 2018-2019,2020 Thomas E. Dickey * +.\" Copyright 1998-2007,2010 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 @@ .\" authorization. * .\"*************************************************************************** .\" -.\" $Id: menu_hook.3x,v 1.11 2010/12/04 18:40:45 tom Exp $ +.\" $Id: menu_hook.3x,v 1.14 2020/02/02 23:34:34 tom Exp $ .TH menu_hook 3X "" .SH NAME \fBmenu_hook\fR \- set hooks for automatic invocation by applications @@ -55,17 +56,20 @@ These functions make it possible to set hook functions to be called at various points in the automatic processing of input event codes by \fBmenu_driver\fR. .PP The function \fBset_item_init\fR sets a hook to be called at menu-post time and -each time the selected item changes (after the change). \fBitem_init\fR +each time the selected item changes (after the change). +\fBitem_init\fR returns the current item init hook, if any (\fBNULL\fR if there is no such hook). .PP The function \fBset_item_term\fR sets a hook to be called at menu-unpost time -and each time the selected item changes (before the change). \fBitem_term\fR +and each time the selected item changes (before the change). +\fBitem_term\fR returns the current item term hook, if any (\fBNULL\fR if there is no such hook). .PP The function \fBset_menu_init\fR sets a hook to be called at menu-post time and -just after the top row on the menu changes once it is posted. \fBmenu_init\fR +just after the top row on the menu changes once it is posted. +\fBmenu_init\fR returns the current menu init hook, if any (\fBNULL\fR if there is no such hook). .PP @@ -74,22 +78,25 @@ and just before the top row on the menu changes once it is posted. \fBmenu_term\fR returns the current menu term hook, if any (\fBNULL\fR if there is no such hook). .SH RETURN VALUE -Routines that return pointers return \fBNULL\fR on error. Other routines +Routines that return pointers return \fBNULL\fR on error. +Other routines return one of the following: .TP 5 .B E_OK The routine succeeded. .TP 5 .B E_SYSTEM_ERROR -System error occurred (see \fBerrno\fR). +System error occurred (see \fBerrno\fR(3)). .SH SEE ALSO \fBcurses\fR(3X), \fBmenu\fR(3X). .SH NOTES The header file \fB<menu.h>\fR automatically includes the header file \fB<curses.h>\fR. .SH PORTABILITY -These routines emulate the System V menu library. They were not supported on +These routines emulate the System V menu library. +They were not supported on Version 7 or BSD versions. .SH AUTHORS -Juergen Pfeifer. Manual pages and adaptation for new curses by Eric +Juergen Pfeifer. +Manual pages and adaptation for new curses by Eric S. Raymond. |