File lxsession-0.4.5-lock-screen-bnc622083.patch of Package lxsession

diff --git a/Makefile.am b/Makefile.am
index 6e86875..5e53b41 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -11,7 +11,11 @@ image_DATA= \
 	images/gnome-session-suspend.png \
 	images/gnome-session-switch.png
 
+scripts=     lxlock
+bin_SCRIPTS= $(scripts)
+
 EXTRA_DIST = \
 	desktop.conf.example \
-	$(image_DATA)
+	$(scripts) \
+	$(image_DATA) \
 	$(NULL)
diff --git a/lxlock b/lxlock
new file mode 100644
index 0000000..447aa9a
--- /dev/null
+++ b/lxlock
@@ -0,0 +1,40 @@
+#!/bin/sh
+#
+# lxlock - try to lock the screen
+#
+# Copyright (c) 2010 Guido Berhoerster <gber@opensuse.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# TORTIOUS ACTION, ARISING OUT OF
+# PERFORMANCE OF THIS SOFTWARE.
+
+PATH=/bin:/usr/bin
+export PATH
+
+for lock_cmd in \
+    "xscreensaver-command -lock" \
+    "gnome-screensaver-command --lock"
+do
+    $lock_cmd >/dev/null 2>&1 && exit
+done
+
+for lock_cmd in \
+    "slock" \
+    "xlock -mode blank"
+do
+    set -- $lock_cmd
+    if command -v -- $1 >/dev/null 2>&1; then
+        $lock_cmd >/dev/null 2>&1 &
+        exit
+    fi
+done
+
+exit 1
diff --git a/lxsession-logout/lxsession-logout.c b/lxsession-logout/lxsession-logout.c
index 435216c..6c6f89c 100644
--- a/lxsession-logout/lxsession-logout.c
+++ b/lxsession-logout/lxsession-logout.c
@@ -25,6 +25,7 @@
 #include <glib/gi18n.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <sys/wait.h>
 #include <fcntl.h>
 #include <limits.h>
 #include <signal.h>
@@ -73,6 +74,7 @@ typedef struct {
     int ltsp : 1;			/* Shutdown and reboot is accomplished via LTSP */
 } HandlerContext;
 
+static gboolean lock_screen(void);
 static gboolean verify_running(char * display_manager, char * executable);
 static void logout_clicked(GtkButton * button, HandlerContext * handler_context);
 static void change_root_property(GtkWidget* w, const char* prop_name, const char* value);
@@ -85,6 +87,18 @@ static void cancel_clicked(GtkButton * button, gpointer user_data);
 static GtkPositionType get_banner_position(void);
 static GdkPixbuf * get_background_pixbuf(void);
 
+/* Try to run lxlock command in order to lock the screen, return TRUE on
+ * success, FALSE if command execution failed
+ */
+static gboolean lock_screen(void)
+{
+    if (!g_spawn_command_line_async("lxlock", NULL))
+    {
+        return TRUE;
+    }
+    return FALSE;
+}
+
 /* Verify that a program is running and that an executable is available. */
 static gboolean verify_running(char * display_manager, char * executable)
 {
@@ -205,6 +219,7 @@ static void suspend_clicked(GtkButton * button, HandlerContext * handler_context
     char * error_result = NULL;
     gtk_label_set_text(GTK_LABEL(handler_context->error_label), NULL);
 
+    lock_screen();
     if (handler_context->suspend_UPower)
         error_result = dbus_UPower_Suspend();
     else if (handler_context->suspend_HAL)
@@ -221,6 +236,7 @@ static void hibernate_clicked(GtkButton * button, HandlerContext * handler_conte
     char * error_result = NULL;
     gtk_label_set_text(GTK_LABEL(handler_context->error_label), NULL);
 
+    lock_screen();
     if (handler_context->hibernate_UPower)
         error_result = dbus_UPower_Hibernate();
     else if (handler_context->hibernate_HAL)
@@ -236,6 +252,7 @@ static void switch_user_clicked(GtkButton * button, HandlerContext * handler_con
 {
     gtk_label_set_text(GTK_LABEL(handler_context->error_label), NULL);
 
+    lock_screen();
     if (handler_context->switch_user_GDM)
         g_spawn_command_line_sync("gdmflexiserver --startnew", NULL, NULL, NULL, NULL);
     else if (handler_context->switch_user_KDM)
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