LinHES - xwin_find.sh - LinHES

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xwin_find.sh

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xwin_find utility required by idle.sh - + chael, 01/30/2011 09:57 am

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 #!/bin/sh
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 #
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 # xwin_find [-v|-q] [timeout] window_name_regex
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 #
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 # Look for a window of the windows full name given by a awk regular
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 # expression, and print the windows xwindow ID.
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 #
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 # If a timeout is given (in seconds)continue to look for the windows ID
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 # for this amount of time before returning.  (EG default a single search)
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 #
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 # If no such window is found output nothing, just exit
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 #
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 # OPTIONS
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 #    -v    verbose, print the full matching xwininfo line on stderr
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 #    -q    do not print windows ID on stdout
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 #
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 ####
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 # Anthony Thyssen    September 2005
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 #
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 PROGNAME=`type $0 | awk '{print $3}'`  # search for executable on path
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 PROGDIR=`dirname $PROGNAME`            # extract directory of program
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 PROGNAME=`basename $PROGNAME`          # base name of program
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 Usage() {
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   echo >&2 "$PROGNAME:" "$@"
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   sed >&2 -n '/^###/q; s/^#$/# /; 3s/^#/# Usage:/;  3,$s/^# //p;' \
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           "$PROGDIR/$PROGNAME"
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   exit 10;
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 }
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 timeout=0
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 while [  $# -gt 0 ]; do
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   case "$1" in
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   [0-9]*) timeout=`date +%s`
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           timeout=`expr $timeout + $1 + 1` || Usage
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           ;;
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   -q)     QUIET=true ;;   # don't print the final window ID, just status
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   -v)     VERBOSE=true ;; # output the full xwininfo line on stderr
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   --)     shift; break ;;    # end of user options
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   -*)     Usage "Unknown option \"$1\"" ;;
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   *)      break ;;           # end of user options
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   esac
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   shift   # next option
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 done
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 [ $# -lt 1 ] && Usage "Missing window search regex"
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 [ $# -gt 1 ] && Usage "Too many arguments."
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 find_win() {
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   # nice added to let it give way to starting processes
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   if [ "$VERBOSE" ]; then
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     line=`nice xwininfo -root -tree | awk '/"'"$1"'":/ {print; exit}'`
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     echo >&2 $line    # VERBOSE - xwininfo output
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     echo "$line" |  sed 's/ .*//'
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   else
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     nice xwininfo -root -tree | awk '/"'"$1"'":/ {print $1; exit}'
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   fi
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 }
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 while :; do
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   id=`find_win "$1"`
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   if [ "$id" ]; then
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     [ -z "$QUIET" ] && echo $id  # the window ID found
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     exit 0;
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   fi
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   [ `date +%s` -ge $timeout ] && break
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 done
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 exit 1  # window was not found
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