--- /dev/null
+#! /bin/bash
+
+PID=$$
+PIDFILE=${PIDFILE:-/tmp/wallpaper.pid}
+WAIT_CYCLE="5m"
+
+trap "rm -f $PIDFILE" SIGTERM
+
+WP_SETTER="/usr/bin/feh"
+QARMA="/usr/bin/qarma"
+
+function set_wp() {
+ NEW_WP=$1
+ $WP_SETTER --bg-fill $NEW_WP
+}
+
+# set background function (requires input)
+function wpapers() {
+ if [[ -f $1 ]]; then
+ # We have a single file as input
+ set_wp $1
+ exit 0
+ elif [[ -d $1 ]]; then
+ # directory as input
+ while true; do
+ BGIMG=$(find $1 -type f -print | shuf -n1)
+ set_wp ${BGIMG}
+ sleep $WAIT_CYCLE
+ done
+ fi
+}
+
+function file_or_dir() {
+ if [[ -f /tmp/choice ]]; then
+ rm /tmp/choice
+ fi
+
+ FOD=$($QARMA --list --text="single image or directory?" --hide-header "file" "directory" > /tmp/choice)
+ case $? in
+ 0 )
+ file_chooser $(cat /tmp/choice)
+ ;;
+ 1 )
+ $QARMA --info --title="Exiting!" --text="No wallpaper was changed."
+ ;;
+ -1 )
+ $QARMA --error --title="Ooops!!" --text="Something unexpected happened."
+ ;;
+ esac
+}
+
+function file_chooser() {
+ case $1 in
+ "file" )
+ FILE="$($QARMA --file-selection --title='Choose your Wallpaper')"
+ case $? in
+ 0 )
+ wpapers $FILE
+ ;;
+ 1 )
+ $QARMA --info --title="Exiting!" --text="No wallpaper was changed."
+ ;;
+ -1 )
+ $QARMA --error --title="Ooops!!" --text="Something unexpected happened."
+ esac
+ ;;
+ "directory" )
+ FILE="$($QARMA --file-selection --directory --title='Choose your Wallpaper directory')"
+ case $? in
+ 0 )
+ wpapers $FILE
+ ;;
+ 1 )
+ $QARMA --info --title="Exiting!" --text="No wallpaper was changed."
+ ;;
+ -1 )
+ $QARMA --error --title="Ooops!!" --text="Something unexpected happened."
+ esac
+ ;;
+ * )
+ $QARMA --error --title="Ooops!!" --text="Something unexpected happened."
+ ;;
+ esac
+}
+
+function run() {
+ if [[ $(basename $0) == "wallpaper.sh" ]]; then
+ # we were called as wallpaper.sh, so simple wallpaper setter without qarma interaction
+ wpapers $1
+ elif [[ $(basename $0) == "change_wallpaper.sh" ]]; then
+ # we use qarma to set the wallpaper
+ $QARMA --question --title="Change Wallpaper" --text="Do you want to change the wallpaper?"
+ case $? in
+ 0 )
+ file_or_dir
+ ;;
+ 1 )
+ $QARMA --info --title="Exiting!" --text="No wallpaper was changed."
+ ;;
+ -1 )
+ $QARMA --error --title="Ooops!!" --text="Something unexpected happened."
+ esac
+ fi
+}
+
+if [[ -r $PIDFILE ]]; then
+ # PIDFILE exists, so I guess there's already an instance running
+ # let's kill it and run again
+ kill -s 15 $(cat $PIDFILE) > /dev/null 2>&1
+ # should already be deleted by trap, but just to be sure
+ rm $PIDFILE
+fi
+
+# create PIDFILE
+echo $PID > $PIDFILE
+
+run
