ncurses 6.1 - patch 20190209

[ncurses.git] / man / menu_driver.3x

diff --git a/man/menu_driver.3x b/man/menu_driver.3x
index 69961058ca76902d4c26dab15d0174e802b7ebb7..086381f34be1e85cddbba2da26713728e17c3b51 100644 (file)
--- a/man/menu_driver.3x
+++ b/man/menu_driver.3x
@@ -1,5 +1,5 @@
 .\"***************************************************************************
-.\" Copyright (c) 1998-2008,2010 Free Software Foundation, Inc.              *
+.\" Copyright (c) 1998-2018,2019 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            *
@@ -26,10 +26,14 @@
 .\" authorization.                                                           *
 .\"***************************************************************************
 .\"
-.\" $Id: menu_driver.3x,v 1.16 2010/01/30 21:29:04 tom Exp $
+.\" $Id: menu_driver.3x,v 1.25 2019/01/20 20:32:23 tom Exp $
 .TH menu_driver 3X ""
+.de bP
+.ie n  .IP \(bu 4
+.el    .IP \(bu 2
+..
 .SH NAME
-\fBmenu_driver\fR - command-processing loop of the menu system
+\fBmenu_driver\fR \- command-processing loop of the menu system
 .SH SYNOPSIS
 \fB#include <menu.h>\fR
 .br
@@ -38,18 +42,16 @@ int menu_driver(MENU *menu, int c);
 .SH DESCRIPTION
 Once a menu has been posted (displayed), you should funnel input events to it
 through \fBmenu_driver\fR.  This routine has three major input cases:
-.TP 3
--
+.bP
 The input is a form navigation request.
 Navigation request codes are constants defined in \fB<form.h>\fP,
-which are distinct from the key- and character codes returned by \fBwgetch\fP.
-.TP 3
--
+which are distinct from the key- and character codes
+returned by \fBwgetch\fP(3X).
+.bP
 The input is a printable character.
 Printable characters (which must be positive, less than 256) are
 checked according to the program's locale settings.
-.TP 3
--
+.bP
 The input is the KEY_MOUSE special key associated with an mouse event.
 .PP
 The menu driver requests are as follows:
@@ -107,7 +109,8 @@ Move to the previous item matching the pattern match.
 .PP
 If the second argument is a printable character, the code appends
 it to the pattern buffer and attempts to move to the next item matching
-the new pattern.  If there is no such match, \fBmenu_driver\fR returns
+the new pattern.
+If there is no such match, \fBmenu_driver\fR returns
 \fBE_NO_MATCH\fR and deletes the appended character from the buffer.
 .PP
 If the second argument is one of the above pre-defined requests, the
@@ -120,32 +123,25 @@ Currently only clicks in the user window (e.g., inside the menu display
 area or the decoration window) are handled.
 .PP
 If you click above the display region of the menu:
-.RS
-.TP
+.bP
 a REQ_SCR_ULINE is generated for a single click,
-.TP
+.bP
 a REQ_SCR_UPAGE is generated for a double-click and
-.TP
+.bP
 a REQ_FIRST_ITEM is generated for a triple-click.
-.RE
 .PP
 If you click below the display region of the menu:
-.RS
-.TP
+.bP
 a REQ_SCR_DLINE is generated for a single click,
-.TP
+.bP
 a REQ_SCR_DPAGE is generated for a double-click and
-.TP
+.bP
 a REQ_LAST_ITEM is generated for a triple-click.
-.RE
 .PP
 If you click at an item inside the display area of the menu:
-.RS
-.TP 3
--
+.bP
 the menu cursor is positioned to that item.
-.TP 3
--
+.bP
 If you double-click an item a REQ_TOGGLE_ITEM
 is generated and \fBE_UNKNOWN_COMMAND\fR is returned.
 This return value makes sense,
@@ -153,18 +149,18 @@ because a double click usually means that an item-specific action should
 be returned.
 It is exactly the purpose of this return value to signal that an
 application specific command should be executed.
-.TP 3
--
+.bP
 If a translation
 into a request was done, \fBmenu_driver\fR returns the result of this request.
-.RE
 .PP
-If you clicked outside the user window or the mouse event could not be translated
+If you clicked outside the user window
+or the mouse event could not be translated
 into a menu request an \fBE_REQUEST_DENIED\fR is returned.
 .SS APPLICATION-DEFINED COMMANDS
 .PP
 If the second argument is neither printable nor one of the above
-pre-defined menu requests or KEY_MOUSE, the drive assumes it is an application-specific
+pre-defined menu requests or KEY_MOUSE,
+the drive assumes it is an application-specific
 command and returns \fBE_UNKNOWN_COMMAND\fR.  Application-defined commands
 should be defined relative to \fBMAX_COMMAND\fR, the maximum value of these
 pre-defined requests.
@@ -175,7 +171,7 @@ pre-defined requests.
 The routine succeeded.
 .TP 5
 .B E_SYSTEM_ERROR
-System error occurred (see \fBerrno\fR).
+System error occurred (see \fBerrno\fR(3)).
 .TP 5
 .B E_BAD_ARGUMENT
 Routine detected an incorrect or out-of-range argument.
@@ -197,19 +193,15 @@ The menu driver could not process the request.
 .SH SEE ALSO
 \fBcurses\fR(3X),
 \fBmenu\fR(3X),
-\fBwgetch\fR(3X).
+\fBgetch\fR(3X).
 .SH NOTES
 The header file \fB<menu.h>\fR automatically includes the header files
 \fB<curses.h>\fR.
 .SH PORTABILITY
-These routines emulate the System V menu library.  They were not supported on
-Version 7 or BSD versions. The support for mouse events is ncurses specific.
+These routines emulate the System V menu library.
+They were not supported on
+Version 7 or BSD versions.
+The support for mouse events is ncurses specific.
 .SH AUTHORS
-Juergen Pfeifer.  Manual pages and adaptation for new curses by Eric
-S. Raymond.
-.\"#
-.\"# The following sets edit modes for GNU EMACS
-.\"# Local Variables:
-.\"# mode:nroff
-.\"# fill-column:79
-.\"# End:
+Juergen Pfeifer.
+Manual pages and adaptation for new curses by Eric S. Raymond.