diff -r -u ../libxfcegui4-svn/libxfcegui4/xfce-exec.c ./libxfcegui4/xfce-exec.c
--- ../libxfcegui4-svn/libxfcegui4/xfce-exec.c	2005-12-18 16:27:38.000000000 +0100
+++ ./libxfcegui4/xfce-exec.c	2005-12-18 16:28:38.000000000 +0100
@@ -278,6 +278,7 @@
                           char **argv, 
                           gboolean in_terminal, 
                           gboolean use_sn,
+			  gint workspace_nr,
                           GError ** error,
                           char **envp,
                           gboolean async)
@@ -303,7 +304,33 @@
     free_envp = NULL;
 
 #ifdef HAVE_LIBSTARTUP_NOTIFICATION
-    if (use_sn)
+    if (workspace_nr > -1)
+    {
+	sn_display = sn_display_new (gdk_display, sn_error_trap_push,
+				     sn_error_trap_pop);
+
+	if (sn_display != NULL)
+	{
+	    sn_context = 
+		sn_launcher_context_new (sn_display,
+					 gdk_screen_get_number (screen));
+	    if ((sn_context != NULL)
+		&& !sn_launcher_context_get_initiated (sn_context))
+	    {
+		DBG("got workspace: %d", workspace_nr);
+		sn_launcher_context_set_workspace (sn_context, workspace_nr);
+		sn_launcher_context_set_binary_name (sn_context, argv[0]);
+		sn_launcher_context_initiate (sn_context,
+					      g_get_prgname () ?
+					      g_get_prgname () : "unknown",
+					      argv[0], 
+					      CurrentTime);
+		free_envp =
+		    make_spawn_environment_for_sn_context (sn_context, envp);
+	    }
+	}
+    }
+    else if (use_sn)
     {
 	sn_display = sn_display_new (gdk_display, sn_error_trap_push,
 				     sn_error_trap_pop);
@@ -324,7 +351,7 @@
 					      g_get_prgname () ?
 					      g_get_prgname () : "unknown",
 					      argv[0], 
-					      gtk_get_current_event_time ());
+					      CurrentTime);
 		free_envp =
 		    make_spawn_environment_for_sn_context (sn_context, envp);
 	    }
@@ -465,7 +492,7 @@
 	        GError ** error)
 {
     return real_xfce_exec_with_envp (gdk_screen_get_default (), 
-                                     argv, in_terminal, use_sn, error, 
+                                     argv, in_terminal, use_sn, -1, error, 
                                      environ, TRUE);
 }
 
@@ -489,7 +516,7 @@
 		          char **envp)
 {
     return real_xfce_exec_with_envp (gdk_screen_get_default (), 
-                                     argv, in_terminal, use_sn, error, envp,
+                                     argv, in_terminal, use_sn, -1, error, envp,
                                      TRUE);
 }
 
@@ -516,7 +543,7 @@
         return FALSE;
             
     success = real_xfce_exec_with_envp (gdk_screen_get_default (), 
-                                        argv, in_terminal, use_sn, error,
+                                        argv, in_terminal, use_sn, -1, error,
                                         environ, TRUE);
     g_strfreev (argv);
     return success;
@@ -548,7 +575,7 @@
         return FALSE;
             
     success = real_xfce_exec_with_envp (gdk_screen_get_default (), 
-                                        argv, in_terminal, use_sn, error, envp,
+                                        argv, in_terminal, use_sn, -1, error, envp,
                                         TRUE);
     g_strfreev (argv);
     return success;
@@ -577,7 +604,7 @@
         return FALSE;
             
     success = real_xfce_exec_with_envp (gdk_screen_get_default (), 
-                                        argv, in_terminal, use_sn, error,
+                                        argv, in_terminal, use_sn, -1, error,
                                         environ, FALSE);
     g_strfreev (argv);
     return success;
@@ -609,7 +636,7 @@
         return FALSE;
             
     success = real_xfce_exec_with_envp (gdk_screen_get_default (), 
-                                        argv, in_terminal, use_sn, error, envp,
+                                        argv, in_terminal, use_sn, -1, error, envp,
                                         FALSE);
     g_strfreev (argv);
     return success;
@@ -636,7 +663,7 @@
                           gboolean use_sn,
                           GError ** error)
 {
-    return real_xfce_exec_with_envp (screen, argv, in_terminal, use_sn, error, 
+    return real_xfce_exec_with_envp (screen, argv, in_terminal, use_sn, -1, error, 
                                      environ, TRUE);
 }
 
@@ -661,7 +688,7 @@
                                     GError ** error,
                                     char **envp)
 {
-    return real_xfce_exec_with_envp (screen, argv, in_terminal, use_sn, error, 
+    return real_xfce_exec_with_envp (screen, argv, in_terminal, use_sn, -1, error, 
                                      envp, TRUE);
 }
 
@@ -689,7 +716,7 @@
     if (!(argv = xfce_exec_create_argv (cmd, in_terminal, error)))
         return FALSE;
             
-    success = real_xfce_exec_with_envp (screen, argv, in_terminal, use_sn, 
+    success = real_xfce_exec_with_envp (screen, argv, in_terminal, use_sn, -1,
                                         error, environ, TRUE);
     g_strfreev (argv);
     return success;
@@ -722,10 +749,42 @@
     if (!(argv = xfce_exec_create_argv (cmd, in_terminal, error)))
         return FALSE;
             
-    success = real_xfce_exec_with_envp (screen, argv, in_terminal, use_sn, 
+    success = real_xfce_exec_with_envp (screen, argv, in_terminal, use_sn, -1, 
                                         error, envp, TRUE);
     g_strfreev (argv);
     return success;
 }
 
+/* run on specific workspace */
+/**
+ * xfce_exec_on_workspace
+ * @screen      : a #GdkScreen
+ * @cmd         : command line to run
+ * @in_terminal : whether to run @cmd in a terminal
+ * @use_sn      : whether to use startup notification
+ * @workspace	: the workspace to start the program
+ * @error       : location for a GError or NULL
+ *
+ * Use #xfce_exec_with_envp_on_workspace if you want to specify the environment.
+ * 
+ * Returns: TRUE on success, FALSE on failure. 
+ */
+gboolean xfce_exec_on_workspace (GdkScreen *screen,
+                                 const char *cmd, 
+                                 gboolean in_terminal, 
+                                 gboolean use_sn,
+			         int workspace,
+                                 GError **error)
+{
+    char **argv;
+    gboolean success;
+    
+    if (!(argv = xfce_exec_create_argv (cmd, in_terminal, error)))
+        return FALSE;
+            
+    success = real_xfce_exec_with_envp (screen, argv, in_terminal, use_sn, workspace,
+                                        error, environ, TRUE);
+    g_strfreev (argv);
+    return success;
+}
 
diff -r -u ../libxfcegui4-svn/libxfcegui4/xfce-exec.h ./libxfcegui4/xfce-exec.h
--- ../libxfcegui4-svn/libxfcegui4/xfce-exec.h	2005-12-18 16:27:38.000000000 +0100
+++ ./libxfcegui4/xfce-exec.h	2005-12-18 16:28:38.000000000 +0100
@@ -66,6 +66,14 @@
                                         gboolean in_terminal, gboolean use_sn,
                                         GError ** error, char **envp);
 
+/* run on specific workspace */
+gboolean xfce_exec_on_workspace (GdkScreen *screen,
+                                 const char *cmd, 
+                                 gboolean in_terminal, 
+                                 gboolean use_sn,
+			         int workspace,
+                                 GError **error);
+
 G_END_DECLS
 
 #endif /* _XFCE_EXEC_H */