--- .saves/!etc!acpi!powerbtn.sh.~1~	2013-08-16 16:54:23.000000000 +0200
+++ /etc/acpi/powerbtn.sh	2014-03-17 11:06:41.951161861 +0100
@@ -36,19 +36,32 @@
 PMS="$PMS guidance-power-manager.py dalston-power-applet"
 PMS="$PMS mate-settings-daemon"
 
+if ! test -L /usr/bin/qdbus && test -x /usr/bin/qdbus; then
+	QDBUS=/usr/bin/qdbus
+elif ! test -L /usr/lib/x86_64-linux-gnu/qt5/bin/qdbus && test -x /usr/lib/x86_64-linux-gnu/qt5/bin/qdbus; then
+	QDBUS=/usr/lib/x86_64-linux-gnu/qt5/bin/qdbus
+elif ! test -L /usr/lib/x86_64-linux-gnu/qt4/bin/qdbus && test -x /usr/lib/x86_64-linux-gnu/qt4/bin/qdbus; then
+	QDBUS=/usr/lib/x86_64-linux-gnu/qt4/bin/qdbus
+else
+	QDBUS=""
+fi
+
+#echo "QDBUS: $QDBUS"
+
 if pidof x $PMS > /dev/null; then
         exit
 elif test "$XUSER" != "" && pidof dcopserver > /dev/null && test -x /usr/bin/dcop && /usr/bin/dcop --user $XUSER kded kded loadedModules | grep -q klaptopdaemon; then
         exit
-elif test "$XUSER" != "" && test -x /usr/bin/qdbus; then
+elif test "$XUSER" != "" && "$QDBUS" != ""; then
         kded4pid=$(pgrep -n -u $XUSER kded4)
         if test "$kded4pid" != ""; then
                 dbusaddr=$(su - $XUSER -c "grep -z DBUS_SESSION_BUS_ADDRESS /proc/$kded4pid/environ")
-                if test "$dbusaddr" != "" && su - $XUSER -c "export $dbusaddr; qdbus org.kde.kded" | grep -q powerdevil; then
+                if test "$dbusaddr" != "" && su - $XUSER -c "export $dbusaddr; $QDBUS org.kde.kded" | grep -q powerdevil; then
                         exit
                 fi
         fi
 fi
 
 # If all else failed, just initiate a plain shutdown.
-/sbin/shutdown -h now "Power button pressed"
+echo "Power button pressed, but not shutting down unconditionally."
+#/sbin/shutdown -h now "Power button pressed"