2010-03-28 07:01:26 -06:00
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.\" $XdotOrg: $
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2006-11-25 13:07:29 -07:00
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.\" $Xorg: xkbevd.man,v 1.3 2000/08/17 19:54:49 cpqbld Exp $
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.\"
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.\" $XFree86: xc/programs/xkbevd/xkbevd.man,v 1.7 2001/01/27 18:21:16 dawes Exp $
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.\"
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.TH XKBEVD 1 __xorgversion__
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.SH NAME
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xkbevd \- XKB event daemon
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.SH SYNOPSIS
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.B xkbevd
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[ options ]
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.SH DESCRIPTION
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.PP
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This command is very raw and is therefore only partially implemented; we
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present it here as a rough prototype for developers, not as a general purpose
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tool for end users. Something like this might make a suitable replacement
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for xev; I'm not signing up, mind you, but it's an interesting idea.
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.PP
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The
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.I xkbevd
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event daemon listens for specified XKB events and executes requested commands
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if they occur. The configuration file consists of a list of event
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specification/action pairs and/or variable definitions.
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.PP
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An event specification consists of a short XKB event name followed by a
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string or identifier which serves as a qualifier in parentheses; empty
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parenthesis indicate no qualification and serve to specify the default
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command which is applied to events which do not match any of the other
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specifications. The interpretation of the qualifier depends on the type
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of the event: Bell events match using the name of the bell, message events
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match on the contents of the message string and slow key events accept
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any of \fIpress\fP, \fIrelease\fP, \fIaccept\fP, or \fIreject\fP. No
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other events are currently recognized.
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.PP
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An action consists of an optional keyword followed by an optional string
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argument. Currently, \fIxkbev\fP recognizes the actions: \fInone\fP,
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\fIignore\fP, \fIecho\fP, \fIprintEvent\fP, \fIsound\fP, and \fIshell\fP.
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If the action is not specified, the string is taken as the name of a sound
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file to be played unless it begins with an exclamation point, in which case
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it is taken as a shell command.
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.PP
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Variable definitions in the argument string are expanded with fields from
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the event in question before the argument string is passed to the action
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processor. The general syntax for a variable is
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either $\fIc\P or $(\fIstr\fP), where \fIc\fP is a single character and
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\fIstr\fP is a string of arbitrary length. All parameters have both
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single-character and long names.
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.PP
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The list of recognized parameters varies from event to event and is too long
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to list here right now. This is a developer release anyway, so you can
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be expected to look at the source code (evargs.c is of particular interest).
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.PP
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The \fIignore\fP, \fIecho\fP, \fIprintEvent\fP, \fIsound\fP,and \fIshell\fP
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actions do what you would expect commands named \fIignore\fP, \fIecho\fP,
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\fIprintEvent\fP, \fIsound\fP, and \fIshell\fP to do, except that the sound
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command has only been implemented and tested for SGI machines. It launches
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an external program right now, so it should be pretty easy to adapt,
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especially if you like audio cues that arrive about a half-second after you
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expect them.
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.PP
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The only currently recognized variables are \fIsoundDirectory\fP and
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\fIsoundCmd\fP. I'm sure you can figure out what they do.
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.SH OPTIONS
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.TP 8
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.B \-help
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Prints a usage message that is far more up-to-date than anything in this
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man page.
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.TP 8
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.B \-cfg \fIfile\fP
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Specifies the configuration file to read. If no configuration file is
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specified, \fIxkbevd\fP looks for ~/.xkb/xkbevd.cf and $(LIBDIR)/xkb/xkbevd.cf
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in that order.
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.TP 8
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.B \-sc\ \fIcmd\fP
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Specifies the command used to play sounds.
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.TP 8
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.B \-sd\ \fIdirectory\fP
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Specifies a top-level directory for sound files.
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.TP 8
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.B \-display\ \fIdisplay\fP
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Specifies the display to use. If not present, \fIxkbevd\fP uses $DISPLAY.
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.TP 8
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.B \-bg
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Tells \fIxkbevd\fP to fork itself (and run in the background).
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.TP 8
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.B \-synch
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Forces synchronization of all X requests. Slow.
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.TP 8
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.B \-v
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Print more information, including debugging messages. Multiple
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specifications of \fI-v\fP cause more output, to a point.
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.SH "SEE ALSO"
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X(__miscmansuffix__)
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.SH COPYRIGHT
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Copyright 1995, Silicon Graphics Computer Systems
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Copyright 1995, 1998 The Open Group
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.br
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See \fIX(__miscmansuffix__)\fP for a full statement of rights and permissions.
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.SH AUTHOR
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Erik Fortune, Silicon Graphics
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