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#!/bin/bash
####################################################
# Include: Start windowmanager for easier handling #
####################################################
## Functions ##
# Some problems may arise with windows opening in background when
# using eg. vmware without a window manager.
start_wm() {
# Sanity checks
unset RUNVIRT_DM
for DM in openbox kwin xfwm4 metacity blackbox twm fvwm2 ; do
if type "${DM}" >/dev/null 2>&1 ; then
declare -rg RUNVIRT_DM="${DM}"
break
fi
done
if ! isset RUNVIRT_DM; then
# not fatal, so do not exit but report via slxlog
slxlog "runvirt-wm" "Could not find any window manager to use!"
notify_user "Konnte keinen Window Manager finden. (Das ist schlecht!)"
return 1
fi
# start RUNVIRT_DM determined above
writelog "Starting ${RUNVIRT_DM}."
declare -a OPTS=
case "$RUNVIRT_DM" in
openbox|kwin|xfwm4|metacity)
OPTS+=( "--replace" )
;;
fvwm2)
# fvwm2 is not even in the minilinux, so this might be obsolete...
echo "EdgeScroll 0 0" > "${TMPDIR}/fvwm"
OPTS+=( "-replace" "-f" "${TMPDIR}/fvwm" )
;;
esac
{
dc=0
while true; do
s="$( date +%s )"
"${RUNVIRT_DM}" "${OPTS[@]}" &> /dev/null
ret="$?"
e="$( date +%s )"
duration="$(( e - s ))"
case "$ret" in
0|129|130|143) exit 0 ;;
esac
if [ "$duration" -ge 3 ]; then
dc=0
elif [ "$(( dc++ ))" -gt 5 ]; then
notify_user "$RUNVIRT_DM crasht immer wieder."
exit 1
fi
done
} &
declare -rg RUNVIRT_DM_PID="$!"
add_cleanup stop_wm
return 0
}
stop_wm() {
kill "$RUNVIRT_DM_PID"
usleep 500000
kill -9 "$RUNVIRT_DM_PID"
}
## MAIN ##
call_post_source start_wm
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