diff -Naur window-picker-applet-0.4.22/src/applet.c window-picker-applet-0.4.22-patched/src/applet.c
--- window-picker-applet-0.4.22/src/applet.c	2009-02-24 13:49:12.000000000 +0100
+++ window-picker-applet-0.4.22-patched/src/applet.c	2009-05-04 04:51:55.208802732 +0200
@@ -52,6 +55,10 @@
 				         GdkColor                  *colour,
 				         GdkPixmap                 *pixmap,
                                          gpointer                   user_data);
+static void 
+cw_panel_orientation_changed (PanelApplet               *applet,
+                             guint                      orient,
+                             gpointer                   user_data);
 static void display_about_dialog (BonoboUIComponent *component, 
                                   gpointer           user_data, 
                                   const gchar       *verb);
@@ -162,6 +169,9 @@
   /* Signals */
 	g_signal_connect (applet, "change-background",
 			             G_CALLBACK (cw_panel_background_changed), NULL);
+
+	g_signal_connect (applet, "change-orient",
+			             G_CALLBACK (cw_panel_orientation_changed), NULL);
 	
   panel_applet_setup_menu (PANEL_APPLET (applet),
                          	Context_menu_xml,
@@ -232,6 +242,36 @@
   }
 }
 
+static void 
+cw_panel_orientation_changed (PanelApplet               *applet,
+                             guint                      orient,
+                             gpointer                   user_data)
+{
+    if (orient == PANEL_APPLET_ORIENT_LEFT || orient == PANEL_APPLET_ORIENT_RIGHT)
+    {
+        /*TODO*/
+
+    }
+    else 
+    {
+        /*TODO*/
+    }
+}
+
+gboolean
+applet_orientation_get_bool (void ) 
+{
+    guint orient = panel_applet_get_orient (PANEL_APPLET(mainapp->applet));
+    if (orient == PANEL_APPLET_ORIENT_LEFT || orient == PANEL_APPLET_ORIENT_RIGHT) {
+        return TRUE;    
+    }
+    else
+    {
+        return FALSE;
+    }
+        
+}
+
 static void
 display_about_dialog (BonoboUIComponent *component, 
                       gpointer           user_data, 
diff -Naur window-picker-applet-0.4.22/src/applet.h window-picker-applet-0.4.22-patched/src/applet.h
--- window-picker-applet-0.4.22/src/applet.h	1970-01-01 01:00:00.000000000 +0100
+++ window-picker-applet-0.4.22-patched/src/applet.h	2009-05-04 04:45:52.702478047 +0200
@@ -0,0 +1,6 @@
+#ifndef _APPLET_H_
+#define _APPLET_H_
+
+gboolean applet_orientation_get_bool ();
+
+#endif //_APPLET_H_
diff -Naur window-picker-applet-0.4.22/src/task-list.c window-picker-applet-0.4.22-patched/src/task-list.c
--- window-picker-applet-0.4.22/src/task-list.c	2009-03-04 16:53:26.000000000 +0100
+++ window-picker-applet-0.4.22-patched/src/task-list.c	2009-05-04 04:49:43.480854858 +0200
@@ -18,10 +18,12 @@
  */
 
 #include "task-list.h"
+#include "applet.h"
 
 #include <libwnck/libwnck.h>
 
-G_DEFINE_TYPE (TaskList, task_list, GTK_TYPE_HBOX);
+G_DEFINE_TYPE (TaskList, task_list, \
+        applet_orientation_get_bool()? GTK_TYPE_VBOX:GTK_TYPE_HBOX);
 
 #define TASK_LIST_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj),\
   TASK_TYPE_LIST, \