Importing new ede-screen-lock tool, a wrapper around various locking engines. Also modified ede-help to

use 'command -v' instead of 'which', making it more portable.

Jamfile

@@ -26,6 +26,7 @@ SubInclude TOP ede-desktop-conf ;
 SubInclude TOP ede-dialog ;
 SubInclude TOP ede-keyboard-conf ;
 SubInclude TOP ede-screensaver-conf ;
+SubInclude TOP ede-screen-lock ;
 SubInclude TOP ede-help ;
 SubInclude TOP ede-image-view ;
 SubInclude TOP elma ;

ede-help/ede-help.in

@@ -48,7 +48,7 @@ url="file://$url"
 # try to find browser
 if [ "x$BROWSER" = "x" ]; then
 	for i in $browser_list; do
-		if which $i > /dev/null 2>&1; then
+		if command -v $i > /dev/null 2>&1; then
 			BROWSER="$i"
 			break;
 		fi

ede-screen-lock/Jamfile

@@ -0,0 +1,13 @@
+#
+# $Id: Jamfile 2496 2009-02-20 15:29:11Z karijes $
+#
+# Part of Equinox Desktop Environment (EDE).
+# Copyright (c) 2012 EDE Authors.
+#
+# This program is licensed under the terms of the
+# GNU General Public License version 2 or later.
+# See COPYING for the details.
+ 
+SubDir TOP ede-screen-lock ;
+
+InstallEdeProgram ede-screen-lock ;

ede-screen-lock/ede-screen-lock

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+program="ede-screen-lock"
+
+if [ "$1" = "--help" ]; then
+	cat <<EOF
+Usage: $program [OPTIONS]
+Lock screen for current user
+
+Options:
+  --help      this help
+
+EOF
+	exit 1
+fi
+
+if `command -v xscreensaver-command > /dev/null 2>&1`; then
+	lock_cmd="xscreensaver-command -lock"
+elif `command -v xlock > /dev/null 2>&1`; then
+	lock_cmd="xlock"
+fi
+
+if [ "x$lock_cmd" = "x" ]; then
+	ede-dialog --error "Unable to find any known locker. Please install xscreensaver or xlock to enable screen lock in EDE"
+	exit 1
+fi
+
+$lock_cmd