@@ -1026,50 +1026,12 @@ if (e->xconfigurerequest.value_mask & CWSibling) {
                 ObWindow *win;
                 win = g_hash_table_lookup(window_map,
                                           &e->xconfigurerequest.above);
-                if (WINDOW_IS_CLIENT(win))
+                if (WINDOW_IS_CLIENT(win) && WINDOW_AS_CLIENT(win) != client)
                     sibling = WINDOW_AS_CLIENT(win);
             }
 
-            switch (e->xconfigurerequest.detail) {
-            case Below:
-                ob_debug("ConfigureRequest Below for client %s sibling %s\n",
-                         client->title, sibling ? sibling->title : "(all)");
-                /* just lower it */
-                stacking_lower(CLIENT_AS_WINDOW(client));
-                break;
-            case BottomIf:
-                ob_debug("ConfigureRequest BottomIf for client %s sibling "
-                         "%s\n",
-                         client->title, sibling ? sibling->title : "(all)");
-                /* if this client occludes sibling (or anything if NULL), then
-                   lower it to the bottom */
-                if (stacking_occluded(sibling, client))
-                    stacking_lower(CLIENT_AS_WINDOW(client));
-                break;
-            case Above:
-                ob_debug("ConfigureRequest Above for client %s sibling %s\n",
-                         client->title, sibling ? sibling->title : "(all)");
-                /* activate it rather than just focus it */
-                client_activate(client, FALSE, FALSE);
-                break;
-            case TopIf:
-                ob_debug("ConfigureRequest TopIf for client %s sibling %s\n",
-                         client->title, sibling ? sibling->title : "(all)");
-                if (stacking_occluded(client, sibling))
-                    /* activate it rather than just focus it */
-                    client_activate(client, FALSE, FALSE);
-            case Opposite:
-                ob_debug("ConfigureRequest Opposite for client %s sibling "
-                         "%s\n",
-                         client->title, sibling ? sibling->title : "(all)");
-                if (stacking_occluded(client, sibling))
-                    /* activate it rather than just focus it */
-                    client_activate(client, FALSE, FALSE);
-                else if (stacking_occluded(sibling, client))
-                    stacking_lower(CLIENT_AS_WINDOW(client));
-            default:
-                break;
-            }
+            stacking_restack_request(client, sibling,
+                                     e->xconfigurerequest.detail);
         }
         break;
     case UnmapNotify:
@@ -1246,6 +1208,41 @@ e->xclient.data.l[0] & 1 << 9, y);
             client_convert_gravity(client, grav, &x, &y, w, h);
             client_find_onscreen(client, &x, &y, w, h, FALSE);
             client_configure(client, x, y, w, h, FALSE, TRUE);
+        } else if (msgtype == prop_atoms.net_restack_window) {
+            if (e->xclient.data.l[0] != 2) {
+                ob_debug_type(OB_DEBUG_APP_BUGS,
+                              "_NET_RESTACK_WINDOW sent for window %s with "
+                              "invalid source indication %ld\n",
+                              client->title, e->xclient.data.l[0]);
+            } else {
+                ObClient *sibling = NULL;
+                if (e->xclient.data.l[1]) {
+                    ObWindow *win = g_hash_table_lookup(window_map,
+                                                        &e->xclient.data.l[1]);
+                    if (WINDOW_IS_CLIENT(win) &&
+                        WINDOW_AS_CLIENT(win) != client)
+                    {
+                        sibling = WINDOW_AS_CLIENT(win);
+                    }
+                    if (sibling == NULL)
+                        ob_debug_type(OB_DEBUG_APP_BUGS,
+                                      "_NET_RESTACK_WINDOW sent for window %s "
+                                      "with invalid sibling 0x%x\n",
+                                 client->title, e->xclient.data.l[1]);
+                }
+                if (e->xclient.data.l[2] == Below ||
+                    e->xclient.data.l[2] == BottomIf ||
+                    e->xclient.data.l[2] == Above ||
+                    e->xclient.data.l[2] == TopIf ||
+                    e->xclient.data.l[2] == Opposite)
+                {
+                    stacking_restack_request(client, sibling,
+                                             e->xclient.data.l[2]);
+                }
+                ob_debug_type(OB_DEBUG_APP_BUGS, "_NET_RESTACK_WINDOW sent "
+                              "for window %s with invalid detail 0d\n",
+                              client->title, e->xclient.data.l[2]);
+            }
         }
         break;
     case PropertyNotify:

@@ -75,6 +75,8 @@ 
     CREATE(net_close_window, "_NET_CLOSE_WINDOW");
     CREATE(net_wm_moveresize, "_NET_WM_MOVERESIZE");
     CREATE(net_moveresize_window, "_NET_MOVERESIZE_WINDOW");
+    CREATE(net_request_frame_extents, "_NET_REQUEST_FRAME_EXTENTS");
+    CREATE(net_restack_window, "_NET_RESTACK_WINDOW");
 
     CREATE(net_startup_id, "_NET_STARTUP_ID");
 
@@ -95,7 +97,6 @@ CREATE(net_wm_user_time, "_NET_WM_USER_TIME");
     CREATE(net_wm_user_time_window, "_NET_WM_USER_TIME_WINDOW");
     CREATE(kde_net_wm_frame_strut, "_KDE_NET_WM_FRAME_STRUT");
     CREATE(net_frame_extents, "_NET_FRAME_EXTENTS");
-    CREATE(net_request_frame_extents, "_NET_REQUEST_FRAME_EXTENTS");
 
 /*   CREATE(net_wm_ping, "_NET_WM_PING"); */
 #ifdef SYNC

@@ -108,6 +108,8 @@ /* root window messages */
     Atom net_close_window;
     Atom net_wm_moveresize;
     Atom net_moveresize_window;
+    Atom net_request_frame_extents;
+    Atom net_restack_window;
 
     /* helpful hints to apps that aren't used for anything */
     Atom net_wm_full_placement;
@@ -132,7 +134,6 @@ Atom net_wm_allowed_actions;
     Atom net_wm_user_time;
     Atom net_wm_user_time_window;
     Atom net_frame_extents;
-    Atom net_request_frame_extents;
 
     /* application protocols */
 /*  Atom net_wm_ping; */

@@ -276,6 +276,7 @@ supported[i++] = prop_atoms.net_wm_user_time;
     supported[i++] = prop_atoms.net_wm_user_time_window;
     supported[i++] = prop_atoms.net_frame_extents;
     supported[i++] = prop_atoms.net_request_frame_extents;
+    supported[i++] = prop_atoms.net_restack_window;
     supported[i++] = prop_atoms.net_startup_id;
 #ifdef SYNC
     supported[i++] = prop_atoms.net_wm_sync_request;

@@ -25,6 +25,7 @@ #include "client.h"
 #include "group.h"
 #include "frame.h"
 #include "window.h"
+#include "debug.h"
 
 GList  *stacking_list = NULL;
 
@@ -492,3 +493,46 @@ found = TRUE;
         }
     return obscured;
 }
+
+void stacking_restack_request(ObClient *client, ObClient *sibling,
+                              gint detail)
+{
+    switch (detail) {
+    case Below:
+        ob_debug("Restack request Below for client %s sibling %s\n",
+                 client->title, sibling ? sibling->title : "(all)");
+        /* just lower it */
+        stacking_lower(CLIENT_AS_WINDOW(client));
+        break;
+    case BottomIf:
+        ob_debug("Restack request BottomIf for client %s sibling "
+                 "%s\n",
+                 client->title, sibling ? sibling->title : "(all)");
+        /* if this client occludes sibling (or anything if NULL), then
+           lower it to the bottom */
+        if (stacking_occluded(sibling, client))
+            stacking_lower(CLIENT_AS_WINDOW(client));
+        break;
+    case Above:
+        ob_debug("Restack request Above for client %s sibling %s\n",
+                 client->title, sibling ? sibling->title : "(all)");
+        /* activate it rather than just focus it */
+        client_activate(client, FALSE, FALSE);
+        break;
+    case TopIf:
+        ob_debug("Restack request TopIf for client %s sibling %s\n",
+                 client->title, sibling ? sibling->title : "(all)");
+        if (stacking_occluded(client, sibling))
+            /* activate it rather than just focus it */
+            client_activate(client, FALSE, FALSE);
+    case Opposite:
+        ob_debug("Restack request Opposite for client %s sibling "
+                 "%s\n",
+                 client->title, sibling ? sibling->title : "(all)");
+        if (stacking_occluded(client, sibling))
+            /* activate it rather than just focus it */
+            client_activate(client, FALSE, FALSE);
+        else if (stacking_occluded(sibling, client))
+            stacking_lower(CLIENT_AS_WINDOW(client));
+    }
+}

@@ -64,4 +64,16 @@ against all other clients. Otherwise, it returns FALSE.
 */
 gboolean stacking_occluded(struct _ObClient *client,struct _ObClient *sibling);
 
+/*! Restack a window based upon a sibling (or all windows) in various ways.
+  @param client The client to be restacked
+  @param sibling Another client to compare to, or NULL to compare to all
+                 windows
+  @param detail One of Above, Below, TopIf, BottomIf, Opposite
+  See http://tronche.com/gui/x/xlib/window/configure.html for details on
+  how each detail works with and without a sibling.
+*/
+void stacking_restack_request(struct _ObClient *client,
+                              struct _ObClient *sibling,
+                              gint detail);
+
 #endif