Merge pull request #31 from erasche/kde-support

Add support for KDE5 lockscreen detection

logactivewin.sh

@@ -25,9 +25,11 @@ do
 		screensaverstate=$(xscreensaver-command -time | cut -f2 -d: | cut -f2-3 -d' ')
 		if [[ $screensaverstate =~ "screen non-blanked" ]]; then islocked=false; fi
 	elif [[ $GDMSESSION == 'ubuntu' || $GDMSESSION == 'ubuntu-2d' || $GDMSESSION == 'gnome-shell' || $GDMSESSION == 'gnome-classic' || $GDMSESSION == 'gnome-fallback' || $GDMSESSION == 'cinnamon' ]]; then
-        # Assume the GNOME/Ubuntu/cinnamon folks are using gnome-screensaver.
-        screensaverstate=$(gnome-screensaver-command -q 2>&1 /dev/null)
+		# Assume the GNOME/Ubuntu/cinnamon folks are using gnome-screensaver.
+		screensaverstate=$(gnome-screensaver-command -q 2>&1 /dev/null)
 		if [[ $screensaverstate =~ .*inactive.* ]]; then islocked=false; fi
+	elif [[ $XDG_SESSION_DESKTOP == 'KDE' ]]; then
+		islocked=$(qdbus org.kde.screensaver /ScreenSaver org.freedesktop.ScreenSaver.GetActive)
 	else
 		# If we can't find the screensaver, assume it's missing.
 		islocked=false