# This script sets up a few XDG vairables for the OpenPandora (to find the Xfce defaults etc.)
# and then launches the chosen user session (mainly Xfce or PMenu)

# The makes sure that /etc/xdg/op is added to the vairables to get the defaults for the OP.
if test "x$XDG_CONFIG_DIRS" = "x"
then
  XDG_CONFIG_DIRS="/etc/xdg/op:/etc/xdg"
else
  XDG_CONFIG_DIRS="/etc/xdg/op:$XDG_CONFIG_DIRS:/etc/xdg"
fi
export XDG_CONFIG_DIRS

if test "x$XDG_DATA_DIRS" = "x"
then
  XDG_DATA_DIRS="/usr/local/share:/usr/share:@_datadir_@"
  XDG_DATA_DIRS="/etc/xdg/op:/usr/local/share:/usr/share:@_datadir_@"
else
  XDG_DATA_DIRS="$XDG_DATA_DIRS:@_datadir_@"
  XDG_DATA_DIRS="/etc/xdg/op:$XDG_DATA_DIRS:@_datadir_@"
fi
export XDG_DATA_DIRS

# Use FreeDesktop XDG dir vars to put user data in non hidden dirs to make
# maintaince easier for users.
# These really should be set somewhere better but for now this will work.
export XDG_DATA_HOME=$HOME/Applications/Data
export XDG_CONFIG_HOME=$HOME/Applications/Settings
export XDG_CACHE_HOME=$HOME/Applications/Cache

#HACK: Run Xsession.d from here :-o
#Wrong, wrong, wrong but it works and sorting out OE's X server chain is not going to happen right now.

if [ -d /etc/X11/Xsession.d ]; then
    for i in `ls /etc/X11/Xsession.d/` ; do
        if [ -r "/etc/X11/Xsession.d/$i" ] && expr "$i" : '^[[:alnum:]_-]\+$' > /dev/null; then
            . "/etc/X11/Xsession.d/$i"
        fi
    done
fi

#Load up the proper keymap for X
xmodmap ~/.pndXmodmap

# HUP pndnotifyd to make sure it picks up the users home.
kill -1 pndnotifyd &

# The following variable defines the session which is started if the user
# doesn't explicitely select a session in SLiM.

DEFAULT_SESSION=startxfce4
STOP_SESSION="xfce4-session-logout --logout"

# Write the default session into a temporary file.
# This way, we can easily add new sessions in the future by just
# setting the DEFAULT_SESSION to the executable or script.

echo $DEFAULT_SESSION > /tmp/gui.load

# If SLiM does pass a variable, use that. Otherwise use our DEFAULT_SESSION.

SESSION=$1

if [ "$SESSION" == "" ]

	then
	SESSION=$(cat /tmp/gui.load)
fi

STOP_SESSION=$(grep $SESSION /etc/pandora/conf/gui.conf | awk -F\; '{print $4}')
echo $STOP_SESSION > /tmp/gui.stop
chmod +x /tmp/gui.stop

# Starts our session and checks if a new session should be loaded
# after the old one is quit by simply executing the command that's in /tmp/gui.load

# This way, we can easily do a quick switch from any session to the next one by simply
# echo'ing the new session executable into /tmp/gui.load and exiting.

while true
do
	rm /tmp/gui.load

	if [ "$SESSION" == "" ]

	then
		exit 0;
	fi

	$SESSION
        
	SESSION=$(cat /tmp/gui.load)
	STOP_SESSION=$(grep $SESSION /etc/pandora/conf/gui.conf | awk -F\; '{print $4}')
        echo $STOP_SESSION > /tmp/gui.stop
        chmod +x /tmp/gui.stop
done