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MEV(1)											   MEV(1)

NAME
       mev - a program to report mouse events

SYNOPSIS
       mev [ options ]

DESCRIPTION
       The `mev' program is part of the gpm package.  The information below is extracted from the
       texinfo file, which is the preferred source of information.

       The mev program is modeled after xev. It prints to stdout  the  mouse  console  events  it
       gets.

       mev's  default  behaviour is to get anything, but command line switches can be used to set
       the various fields in the Gpm_Connect structure, in order to customize the  program's  be-
       haviour. I'm using mev to handle mouse events to Emacs.

       Command line switches for mev are the following:

       -C number
	      Select  a  virtual  console  to  get  events from.  This is intended to be used for
	      debugging.

       -d number
	      Choose a default mask. By default the server gets any events not belonging  to  the
	      event  mask.  The mask can be provided either as a decimal number, or as a symbolic
	      string.

       -e number
	      Choose the event mask. By default any event is received. The mask can  be  provided
	      either as a decimal number, or as a symbolic string.

       -E     Enter  emacs mode. In emacs mode events are reported as lisp forms rather than num-
	      bers. This is the format used by the t-mouse package within emacs.

       -f     Fit events inside the screen before  reporting  them.  This  options  re-fits  drag
	      events, which are allowed to exit the screen border,

       -i     Interactive. Accepts input from stdin to change connection parameters.

       -m number
	      Choose  the  minimum  modifier  mask.  Any  event  with fewer modifiers will not be
	      reported to mev. It defaults to 0.  The mask must be provided either as  a  decimal
	      number, or as a symbolic string.

       -M number
	      Choose  the maximum modifier mask. Any event with more modifier than specified will
	      not be reported to mev.  It defaults to  ~0, i.e. all  events  are  received.   The
	      mask must be provided either as a decimal number, or as a symbolic string.

       -p     Requests	to  draw  the pointer during drags. This option is used by emacs to avoid
	      invoking ioctl() from lisp code.

       When the arguments are not decimal integers, they are  considered  lists  of  alphanumeric
       characters, separated by a single non-alphanumeric character. I use the comma (,), but any
       will do.

       Allowed names for events are move, drag, down or press, up or release,  motion  (which  is
       both move and drag), and hard.

       Allowed	names for modifiers are shift, leftAlt, rightAlt, anyAlt (one or the other), con-
       trol.

       When the -i switch is specified, mev looks at its standard input as command  lines  rather
       than events. The input lines are parsed, and the commands push and pop are recognized.

       The  push  command,  then,  accepts  the  options -d, -e, -m and -M, with the same meaning
       described above. Unspecified options retain the previous value and the resulting masks are
       used to reopen the connection with the server. pop is used to pop the connection stack. If
       an empty stack is popped the program exits.

       Other commands recognized are info, used to return the stack depth;  quit  to  prematurely
       terminate the program; and snapshot to get some configuration information from the server.

BUGS
       Beginning with release 1.16, mev no longer works under xterm.  Please use the rmev program
       (provided in the sample directory) to watch gpm events under xterm  or  rxvt.   rmev  also
       displays keyboard events besides mouse events.

AUTHOR
       Alessandro Rubini <rubini@linux.it>
       Ian Zimmerman <itz@speakeasy.org>

FILES
       /dev/gpmctl The socket used to connect to gpm.

SEE ALSO
	gpm(8)	     The mouse server
	gpm-root(1)  An handler for Control-Mouse events.

       The info file about `gpm', which gives more complete information and explains how to write
       a gpm client.

4th Berkeley Distribution		  February 1995 				   MEV(1)
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