File lxsession-0.4.4-lock-screen-bnc622083.patch of Package lxsession

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File lxsession-0.4.4-lock-screen-bnc622083.patch of Package lxsession (Revision b45ca32e0389770272368bc223646a1f)

Currently displaying revision b45ca32e0389770272368bc223646a1f , Show latest

diff -urN lxsession-0.4.4.orig/lxsession-logout/lxsession-logout.c lxsession-0.4.4/lxsession-logout/lxsession-logout.c
--- lxsession-0.4.4.orig/lxsession-logout/lxsession-logout.c	2010-03-31 18:28:50.000000000 +0200
+++ lxsession-0.4.4/lxsession-logout/lxsession-logout.c	2010-07-17 11:23:57.000000000 +0200
@@ -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>
@@ -72,6 +73,7 @@
     int ltsp : 1; /* under LTSP environment */
 } 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 shutdown_clicked(GtkButton * button, HandlerContext * handler_context);
@@ -83,6 +85,46 @@
 static GtkPositionType get_banner_position(void);
 static GdkPixbuf * get_background_pixbuf(void);
 
+/* Try to lock the screen, return TRUE on success, FALSE if no suitable
+ * screensaver was found or the screensaver command exited abnormally.
+ */
+static gboolean lock_screen(void)
+{
+    gint i;
+    gint argcp;
+    gchar **argvp;
+    gint exit_status;
+    gchar *locking_commands[] = {
+            "xscreensaver-command -lock",
+            "gnome-screensaver-command --lock",
+            "xlock -mode blank",
+            NULL
+    };
+
+    for (i = 0; locking_commands[i] != NULL; ++i)
+    {
+        g_shell_parse_argv(locking_commands[i], &argcp, &argvp, NULL);
+        g_spawn_sync(NULL,
+                argvp,
+                NULL,
+                G_SPAWN_SEARCH_PATH|G_SPAWN_STDOUT_TO_DEV_NULL|G_SPAWN_STDERR_TO_DEV_NULL,
+                NULL,
+                NULL,
+                NULL,
+                NULL,
+                &exit_status,
+                NULL);
+        g_strfreev (argvp);
+
+        if (WIFEXITED(exit_status) && WEXITSTATUS(exit_status) == 0)
+        {
+            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)
 {
@@ -187,6 +229,7 @@
 /* Handler for "clicked" signal on Suspend button. */
 static void suspend_clicked(GtkButton * button, HandlerContext * handler_context)
 {
+    lock_screen();
     if (handler_context->suspend_DeviceKit)
         dbus_DeviceKit_Suspend();
     else if (handler_context->suspend_HAL)
@@ -197,6 +240,7 @@
 /* Handler for "clicked" signal on Hibernate button. */
 static void hibernate_clicked(GtkButton * button, HandlerContext * handler_context)
 {
+    lock_screen();
     if (handler_context->hibernate_DeviceKit)
         dbus_DeviceKit_Hibernate();
     else if (handler_context->hibernate_HAL)
@@ -207,6 +251,7 @@
 /* Handler for "clicked" signal on Switch User button. */
 static void switch_user_clicked(GtkButton * button, HandlerContext * handler_context)
 {
+    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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File lxsession-0.4.4-lock-screen-bnc622083.patch of Package lxsession (Revision b45ca32e0389770272368bc223646a1f)

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