X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;ds=sidebyside;f=man%2Fmenu_driver.3x;h=10e9d2167a6807222123141a8d5e5e69250dc715;hb=2882050bf8b296813e7e026b1c5c45d4a23043e3;hp=27dccbb8052adee766a0c11f2e864a0da47664ab;hpb=47d2fb4537d9ad5bb14f4810561a327930ca4280;p=ncurses.git
diff --git a/man/menu_driver.3x b/man/menu_driver.3x
index 27dccbb8..10e9d216 100644
--- a/man/menu_driver.3x
+++ b/man/menu_driver.3x
@@ -1,5 +1,5 @@
.\"***************************************************************************
-.\" Copyright 2018-2019,2020 Thomas E. Dickey *
+.\" Copyright 2018-2022,2023 Thomas E. Dickey *
.\" Copyright 1998-2010,2017 Free Software Foundation, Inc. *
.\" *
.\" Permission is hereby granted, free of charge, to any person obtaining a *
@@ -27,22 +27,24 @@
.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: menu_driver.3x,v 1.26 2020/02/02 23:34:34 tom Exp $
-.TH menu_driver 3X ""
+.\" $Id: menu_driver.3x,v 1.41 2023/10/07 21:19:07 tom Exp $
+.TH menu_driver 3X 2023-10-07 "ncurses 6.4" "Library calls"
.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\fP \-
+command-processing loop of the menu system
.SH SYNOPSIS
-\fB#include
\fR
-.br
-int menu_driver(MENU *menu, int c);
-.br
+.nf
+\fB#include
+.PP
+\fBint menu_driver(MENU *\fImenu\fP, int \fIc\fP);
+.fi
.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:
+through \fBmenu_driver\fP. This routine has three major input cases:
.bP
The input is a form navigation request.
Navigation request codes are constants defined in \fB\fP,
@@ -111,13 +113,12 @@ Move to the previous item matching the pattern match.
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
-\fBE_NO_MATCH\fR and deletes the appended character from the buffer.
+If there is no such match, \fBmenu_driver\fP returns
+\fBE_NO_MATCH\fP and deletes the appended character from the buffer.
.PP
If the second argument is one of the above pre-defined requests, the
corresponding action is performed.
.SS MOUSE HANDLING
-.PP
If the second argument is the KEY_MOUSE special key, the associated
mouse event is translated into one of the above pre-defined requests.
Currently only clicks in the user window (e.g., inside the menu display
@@ -144,7 +145,7 @@ If you click at an item inside the display area of the menu:
the menu cursor is positioned to that item.
.bP
If you double-click an item a REQ_TOGGLE_ITEM
-is generated and \fBE_UNKNOWN_COMMAND\fR is returned.
+is generated and \fBE_UNKNOWN_COMMAND\fP is returned.
This return value makes sense,
because a double click usually means that an item-specific action should
be returned.
@@ -152,27 +153,26 @@ It is exactly the purpose of this return value to signal that an
application specific command should be executed.
.bP
If a translation
-into a request was done, \fBmenu_driver\fR returns the result of this request.
+into a request was done, \fBmenu_driver\fP returns the result of this request.
.PP
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.
+into a menu request an \fBE_REQUEST_DENIED\fP 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
-command and returns \fBE_UNKNOWN_COMMAND\fR. Application-defined commands
-should be defined relative to \fBMAX_COMMAND\fR, the maximum value of these
+command and returns \fBE_UNKNOWN_COMMAND\fP. Application-defined commands
+should be defined relative to \fBMAX_COMMAND\fP, the maximum value of these
pre-defined requests.
.SH RETURN VALUE
-\fBmenu_driver\fR return one of the following error codes:
+\fBmenu_driver\fP return one of the following error codes:
.TP 5
.B E_OK
The routine succeeded.
.TP 5
.B E_SYSTEM_ERROR
-System error occurred (see \fBerrno\fR(3)).
+System error occurred (see \fBerrno\fP(3)).
.TP 5
.B E_BAD_ARGUMENT
Routine detected an incorrect or out-of-range argument.
@@ -191,13 +191,9 @@ Character failed to match.
.TP 5
.B E_REQUEST_DENIED
The menu driver could not process the request.
-.SH SEE ALSO
-\fBcurses\fR(3X),
-\fBmenu\fR(3X),
-\fBgetch\fR(3X).
.SH NOTES
-The header file \fB\fR automatically includes the header files
-\fB\fR.
+The header file \fB\fP automatically includes the header files
+\fB\fP.
.SH PORTABILITY
These routines emulate the System V menu library.
They were not supported on
@@ -206,3 +202,7 @@ The support for mouse events is ncurses specific.
.SH AUTHORS
Juergen Pfeifer.
Manual pages and adaptation for new curses by Eric S. Raymond.
+.SH SEE ALSO
+\fB\%curses\fP(3X),
+\fB\%getch\fP(3X),
+\fB\%menu\fP(3X)