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|
#!/bin/sh
# This is a sample wrapper allowing to emulate the "xmessage" utility by
# using "Xdialog" in the closest possible way. Note that when the "-buttons"
# option is passed to this wrapper, "xmessage" is actually invoked as there
# is (currently) no way to emulate exactly this option with Xdialog...
OPTIONS="$*"
BUTTONS=""
FILE=""
TITLE="Xmessage"
WMCLASS="xmessage"
XSIZE=80
YSIZE=40
PLACEMENT="--auto-placement"
# It looks like "xmessage" does not like non-monospacing fonts and refuses
# any "-fn" option with proportional fonts as parameter. We will not have to
# worry about parsing the X "-fn" option then...
FONT="--fixed-font"
TIMEOUT=""
if [ "$1" == "" ] ; then
echo "usage: Xmessage [-options] [message]
where options include:
-file filename file to read message from, \"-\" for stdin
-center pop up at center of screen
-nearmouse pop up near the mouse cursor
-timeout secs exit with status 0 after "secs" seconds
as well as folowing X generic options (the X options not listed are ignored):
-geometry WIDTHxHEIGHT[+X0+Y0] size and origin for Xmessage window
-name ressource_name sets the ressource name for Xmessage
(defaults to \"xmessage\")
-title string title for the Xmessage window
"
exit 0
fi
for i in $OPTIONS ; do
case $1 in
-file)
shift 1
FILE="$1"
;;
-center)
PLACEMENT="--screen-center"
;;
-nearmouse)
PLACEMENT="--under-mouse"
;;
-timeout)
shift 1
TIMEOUT="$1"
;;
-buttons|-default)
shift 1
BUTTONS="true"
;;
-print)
BUTTONS="true"
;;
-geometry)
shift 1
YSIZE="$1"
XSIZE=""
;;
-title)
shift 1
TITLE="$1"
;;
-name)
shift 1
WMCLASS="$1"
;;
-display|-bg|-background|-bd|-bordercolor|-bw|-borderwidth|-fg|-foreground|-fn|-font|-xnllanguage|-xrm)
echo "Xmessage: '$1' option ignored." 1>&2
shift 1
;;
-iconic|-rv|-reverse|+rv|-selectionTimeout|-synchronous)
echo "Xmessage: '$1' option ignored." 1>&2
;;
*)
if [ "$1" != "" ] ; then
TEXT="$1"
fi
;;
esac
shift 1
done
# We cannot emulate the "-buttons" option, so give up and use the true "xmessage"
# if this option was specified in the command line...
if [ "$BUTTONS" == "true" ] ; then
echo "Buttons related options (-buttons, -default, -print) not supported,"
echo "invoking \"xmessage\" intead..." 1>&2
xmessage "$OPTIONS"
exit $?
fi
# Now use "Xdialog"...
if [ "$TIMEOUT" != "" ] ; then
# If a "-timeout" option was passed, then we must emulate it because
# only infoboxes use a timeout in Xdialog and we will use here either
# the textbox or the tailbox.
#
# So first start Xdialog as an asynchronous process...
if [ "$FILE" == "" ] ; then
echo "$TEXT" | \
Xdialog --title "$TITLE" --wmclass "$WMCLASS" $PLACEMENT $FONT --no-cancel \
--tailbox "-" $YSIZE $XSIZE &
else
Xdialog --title "$TITLE" --wmclass "$WMCLASS" $PLACEMENT $FONT --no-cancel \
--textbox "$FILE" $YSIZE $XSIZE &
fi
# Get Xdialog PID and build the source for the awk command that
# will be used to see if Xdialog is still running.
XDIALOG_PID=$!
SOURCE="{ if ( \$1 == $XDIALOG_PID ) print \$1 }"
# Now, as long as the TIMEOUT is not 0, sleep for one second, check
# for Xdialog still being there (if not then exit immediately) and
# decrement the TIMEOUT.
while (( $TIMEOUT > 0 )) ; do
sleep 1
STILL_THERE=`ps | awk --source "$SOURCE"`
if [ "$STILL_THERE" == "" ] ; then
exit 0
fi
let TIMEOUT=$TIMEOUT-1
done
# Time is over ! Kill Xdialog and exit.
kill $XDIALOG_PID 2>/dev/null
exit 0
else
# No timeout, just start Xdialog synchronously then...
if [ "$FILE" == "" ] ; then
echo "$TEXT" | \
Xdialog --title "$TITLE" --wmclass "$WMCLASS" $PLACEMENT $FONT --no-cancel \
--tailbox "-" $YSIZE $XSIZE
else
Xdialog --title "$TITLE" --wmclass "$WMCLASS" $PLACEMENT $FONT --no-cancel \
--textbox "$FILE" $YSIZE $XSIZE
fi
fi
exit $?
|
