summaryrefslogtreecommitdiff
path: root/navit/startonce.sh
blob: d0bfafdcc713253fed5fc9a17ea0df25e075c550 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
#!/bin/sh

# This script is part of navit, a navigation system.
# It can be used to make sure that navit is only started
# once. If navit is already running it will be brought to
# the front.

# Set this to a place where a pidfile should be stored.
# Make sure you have write access...
PIDFILE="/var/run/navit/navit.pid"

# Set this to navit's executable.
NAVIT="./navit"

# Optional: Set this to an alternative configuration file
#CONFIG="./navit.xml"

############################################################
### You should not need to edit anything below this line ###
############################################################

function check_wmctrl()
{
	which wmctrl > /dev/null
	
	if [ $? -ne 0 ] ; then
		echo "I need the 'wmctrl' program. Exit."
		exit 1
	fi
}

function start_navit()
{
	if [ "x" != "x$CONFIG" ] ; then
		$NAVIT -c $CONFIG &
	else 
		$NAVIT &
	fi

	pid=$!

	echo -n "$pid" > $PIDFILE

	if [ $? -eq 0 ] ; then
		echo "Started navit with PID $pid."
	else
		kill $pid
		echo "Could not create pidfile!"
		exit 1
	fi

	# Waiting for navit to close...
	wait $pid

	rm $PIDFILE
}

function check_navit()
{
	if [ -f $PIDFILE ] ; then
		pid=`cat $PIDFILE`
		kill -0 $pid 2>/dev/null
		if [ $? -eq 0 ] ; then
			echo "Bringing Navit to front"

			winid=`wmctrl -l -p | grep -e "^[^:blank:]*[:blank:]*[^:blank:]*[:blank:]*$pid[:blank:]*" | sed 's/ .*//'`
			wmctrl -i -R $winid

			exit 0
		fi
	fi
}


### Start of the main script ###

check_wmctrl

check_navit

start_navit