X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=man%2Fmenu_driver.3x;h=1fe5001fec056e8cb6a362fb2fb0caf53283f868;hb=448c4dbefe6aa9604a5a8cefa3b3596b3ddb4b78;hp=69961058ca76902d4c26dab15d0174e802b7ebb7;hpb=41068edef084c39be0cecdf949d9b538d925f42c;p=ncurses.git
diff --git a/man/menu_driver.3x b/man/menu_driver.3x
index 69961058..1fe5001f 100644
--- a/man/menu_driver.3x
+++ b/man/menu_driver.3x
@@ -26,10 +26,13 @@
.\" authorization. *
.\"***************************************************************************
.\"
-.\" $Id: menu_driver.3x,v 1.16 2010/01/30 21:29:04 tom Exp $
+.\" $Id: menu_driver.3x,v 1.20 2010/12/04 18:38:55 tom Exp $
.TH menu_driver 3X ""
+.de bP
+.IP \(bu 4
+..
.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
\fR
.br
@@ -38,18 +41,15 @@ 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\fP,
which are distinct from the key- and character codes returned by \fBwgetch\fP.
-.TP 3
--
+.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:
@@ -120,32 +120,25 @@ 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,
@@ -153,11 +146,9 @@ 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
into a menu request an \fBE_REQUEST_DENIED\fR is returned.
@@ -197,7 +188,7 @@ 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\fR automatically includes the header files
\fB\fR.
@@ -207,9 +198,3 @@ 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.
-.\"#
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