]> Pileus Git - ~andy/gtk/blobdiff - gtk/gtksocket.c
File containing #defines for XEMBED protocol.
[~andy/gtk] / gtk / gtksocket.c
index 9988948b9198b36560057fabd1590dd8dd736c2d..1f905b796c7d7e2b20014ef7cdca520d3c589590 100644 (file)
@@ -2,16 +2,16 @@
  * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
  *
  * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Library General Public
+ * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
+ * Lesser General Public License for more details.
  *
- * You should have received a copy of the GNU Library General Public
+ * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free
  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 /* By Owen Taylor <otaylor@gtk.org>              98/4/4 */
 
 /*
- * Modified by the GTK+ Team and others 1997-1999.  See the AUTHORS
+ * Modified by the GTK+ Team and others 1997-2000.  See the AUTHORS
  * file for a list of people on the GTK+ Team.  See the ChangeLog
  * files for a list of changes.  These files are distributed with
  * GTK+ at ftp://ftp.gtk.org/pub/gtk/. 
  */
 
-#include "gdkx.h"
+#include "gdkconfig.h"
+
+#if defined (GDK_WINDOWING_X11)
+#include "x11/gdkx.h"
+#elif defined (GDK_WINDOWING_WIN32)
+#include "win32/gdkwin32.h"
+#elif defined(GDK_WINDOWING_FB)
+#include "linux-fb/gdkfb.h"
+#endif
+
 #include "gdk/gdkkeysyms.h"
+#include "gtkmain.h"
 #include "gtkwindow.h"
 #include "gtksignal.h"
 #include "gtksocket.h"
 #include "gtkdnd.h"
 
+#include "xembed.h"
+
 #ifdef GDK_WINDOWING_X11
 
 /* Forward declararations */
 
-static void gtk_socket_class_init               (GtkSocketClass    *klass);
-static void gtk_socket_init                     (GtkSocket         *socket);
-static void gtk_socket_realize                  (GtkWidget        *widget);
-static void gtk_socket_unrealize                (GtkWidget        *widget);
-static void gtk_socket_size_request             (GtkWidget      *widget,
-                                              GtkRequisition *requisition);
-static void gtk_socket_size_allocate            (GtkWidget     *widget,
-                                              GtkAllocation *allocation);
-static gint gtk_socket_focus_in_event           (GtkWidget *widget, 
-                                                GdkEventFocus *event);
-static void gtk_socket_claim_focus              (GtkSocket *socket);
-static gint gtk_socket_focus_out_event          (GtkWidget *widget, 
-                                                GdkEventFocus *event);
-static void gtk_socket_send_configure_event     (GtkSocket *socket);
-static gint gtk_socket_focus                    (GtkContainer *container, 
-                                                GtkDirectionType direction);
-static GdkFilterReturn gtk_socket_filter_func   (GdkXEvent *gdk_xevent, 
-                                                GdkEvent *event, 
-                                                gpointer data);
+static void            gtk_socket_class_init           (GtkSocketClass   *klass);
+static void            gtk_socket_init                 (GtkSocket        *socket);
+static void            gtk_socket_realize              (GtkWidget        *widget);
+static void            gtk_socket_unrealize            (GtkWidget        *widget);
+static void            gtk_socket_size_request         (GtkWidget        *widget,
+                                                       GtkRequisition   *requisition);
+static void            gtk_socket_size_allocate        (GtkWidget        *widget,
+                                                       GtkAllocation    *allocation);
+static void            gtk_socket_hierarchy_changed    (GtkWidget        *widget);
+static void            gtk_socket_grab_notify          (GtkWidget        *widget,
+                                                       gboolean          was_grabbed);
+static gboolean        gtk_socket_key_press_event      (GtkWidget        *widget,
+                                                       GdkEventKey      *event);
+static gboolean        gtk_socket_focus_in_event       (GtkWidget        *widget,
+                                                       GdkEventFocus    *event);
+static void            gtk_socket_claim_focus          (GtkSocket        *socket);
+static gboolean        gtk_socket_focus_out_event      (GtkWidget        *widget,
+                                                       GdkEventFocus    *event);
+static void            gtk_socket_send_configure_event (GtkSocket        *socket);
+static gboolean        gtk_socket_focus                (GtkContainer     *container,
+                                                       GtkDirectionType  direction);
+static GdkFilterReturn gtk_socket_filter_func          (GdkXEvent        *gdk_xevent,
+                                                       GdkEvent         *event,
+                                                       gpointer          data);
+
+static void send_xembed_message (GtkSocket *socket,
+                                glong      message,
+                                glong      detail,
+                                glong      data1,
+                                glong      data2,
+                                guint32    time);
 
 /* From Tk */
 #define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
@@ -64,24 +88,26 @@ static GdkFilterReturn gtk_socket_filter_func   (GdkXEvent *gdk_xevent,
 static GtkWidgetClass *parent_class = NULL;
 
 GtkType
-gtk_socket_get_type ()
+gtk_socket_get_type (void)
 {
   static GtkType socket_type = 0;
 
   if (!socket_type)
     {
-      static const GtkTypeInfo socket_info =
+      static const GTypeInfo socket_info =
       {
-       "GtkSocket",
-       sizeof (GtkSocket),
        sizeof (GtkSocketClass),
-       (GtkClassInitFunc) gtk_socket_class_init,
-       (GtkObjectInitFunc) gtk_socket_init,
-       (GtkArgSetFunc) NULL,
-       (GtkArgGetFunc) NULL
+       NULL,           /* base_init */
+       NULL,           /* base_finalize */
+       (GClassInitFunc) gtk_socket_class_init,
+       NULL,           /* class_finalize */
+       NULL,           /* class_data */
+       sizeof (GtkSocket),
+       16,             /* n_preallocs */
+       (GInstanceInitFunc) gtk_socket_init,
       };
 
-      socket_type = gtk_type_unique (gtk_container_get_type (), &socket_info);
+      socket_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkSocket", &socket_info, 0);
     }
 
   return socket_type;
@@ -90,20 +116,23 @@ gtk_socket_get_type ()
 static void
 gtk_socket_class_init (GtkSocketClass *class)
 {
-  GtkObjectClass *object_class;
   GtkWidgetClass *widget_class;
   GtkContainerClass *container_class;
 
-  object_class = (GtkObjectClass*) class;
   widget_class = (GtkWidgetClass*) class;
   container_class = (GtkContainerClass*) class;
 
-  parent_class = gtk_type_class (gtk_widget_get_type ());
+  parent_class = gtk_type_class (GTK_TYPE_CONTAINER);
 
   widget_class->realize = gtk_socket_realize;
   widget_class->unrealize = gtk_socket_unrealize;
   widget_class->size_request = gtk_socket_size_request;
   widget_class->size_allocate = gtk_socket_size_allocate;
+  widget_class->hierarchy_changed = gtk_socket_hierarchy_changed;
+#if 0  
+  widget_class->grab_notify = gtk_socket_grab_notify;
+#endif  
+  widget_class->key_press_event = gtk_socket_key_press_event;
   widget_class->focus_in_event = gtk_socket_focus_in_event;
   widget_class->focus_out_event = gtk_socket_focus_out_event;
 
@@ -126,27 +155,32 @@ gtk_socket_init (GtkSocket *socket)
 }
 
 GtkWidget*
-gtk_socket_new ()
+gtk_socket_new (void)
 {
   GtkSocket *socket;
 
-  socket = gtk_type_new (gtk_socket_get_type ());
+  socket = g_object_new (GTK_TYPE_SOCKET, NULL);
 
   return GTK_WIDGET (socket);
 }
 
 void           
-gtk_socket_steal (GtkSocket *socket, guint32 id)
+gtk_socket_steal (GtkSocket *socket, GdkNativeWindow id)
 {
   GtkWidget *widget;
-
+  gpointer user_data = NULL;
+  
   widget = GTK_WIDGET (socket);
   
   socket->plug_window = gdk_window_lookup (id);
 
   gdk_error_trap_push ();
+
+  if (socket->plug_window)
+    gdk_window_get_user_data (socket->plug_window,
+                              &user_data);
   
-  if (socket->plug_window && socket->plug_window->user_data)
+  if (user_data)      
     {
       /*
        GtkWidget *child_widget;
@@ -255,8 +289,19 @@ gtk_socket_unrealize (GtkWidget *widget)
       if (toplevel && GTK_IS_WINDOW (toplevel))
        gtk_window_remove_embedded_xid (GTK_WINDOW (toplevel), 
                                        GDK_WINDOW_XWINDOW (socket->plug_window));
+
+      socket->plug_window = NULL;
     }
 
+#if 0  
+  if (socket->grabbed_keys)
+    {
+      g_hash_table_foreach (socket->grabbed_keys, (GHFunc)g_free, NULL);
+      g_hash_table_destroy (socket->grabbed_keys);
+      socket->grabbed_keys = NULL;
+    }
+#endif
+  
   if (GTK_WIDGET_CLASS (parent_class)->unrealize)
     (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
 }
@@ -307,8 +352,8 @@ gtk_socket_size_request (GtkWidget      *widget,
       gdk_error_trap_pop ();
     }
 
-  requisition->width = socket->request_width;
-  requisition->height = socket->request_height;
+  requisition->width = MAX (socket->request_width, 1);
+  requisition->height = MAX (socket->request_height, 1);
 }
 
 static void
@@ -367,36 +412,257 @@ gtk_socket_size_allocate (GtkWidget     *widget,
     }
 }
 
-static gint
-gtk_socket_focus_in_event (GtkWidget *widget, GdkEventFocus *event)
+#if 0
+
+typedef struct
 {
-  GtkSocket *socket;
-  g_return_val_if_fail (GTK_IS_SOCKET (widget), FALSE);
-  socket = GTK_SOCKET (widget);
+  guint                         accelerator_key;
+  GdkModifierType       accelerator_mods;
+} GrabbedKey;
+
+static guint
+grabbed_key_hash (gconstpointer a)
+{
+  const GrabbedKey *key = a;
+  guint h;
+  
+  h = key->accelerator_key << 16;
+  h ^= key->accelerator_key >> 16;
+  h ^= key->accelerator_mods;
+
+  return h;
+}
+
+static gboolean
+grabbed_key_equal (gconstpointer a, gconstpointer b)
+{
+  const GrabbedKey *keya = a;
+  const GrabbedKey *keyb = b;
+
+  return (keya->accelerator_key == keyb->accelerator_key &&
+         keya->accelerator_mods == keyb->accelerator_mods);
+}
+
+static void
+add_grabbed_key (GtkSocket      *socket,
+                guint           hardware_keycode,
+                GdkModifierType mods)
+{
+  GrabbedKey key;
+  GrabbedKey *new_key;
+  GrabbedKey *found_key;
+
+  if (socket->grabbed_keys)
+    {
+      key.accelerator_key = hardware_keycode;
+      key.accelerator_mods = mods;
+
+      found_key = g_hash_table_lookup (socket->grabbed_keys, &key);
+
+      if (found_key)
+       {
+         g_warning ("GtkSocket: request to add already present grabbed key %u,%#x\n",
+                    hardware_keycode, mods);
+         return;
+       }
+    }
+  
+  if (!socket->grabbed_keys)
+    socket->grabbed_keys = g_hash_table_new (grabbed_key_hash, grabbed_key_equal);
+
+  new_key = g_new (GrabbedKey, 1);
+  
+  new_key->accelerator_key = hardware_keycode;
+  new_key->accelerator_mods = mods;
+
+  g_hash_table_insert (socket->grabbed_keys, new_key, new_key);
+}
+
+static void
+remove_grabbed_key (GtkSocket      *socket,
+                   guint           hardware_keycode,
+                   GdkModifierType mods)
+{
+  GrabbedKey key;
+  GrabbedKey *found_key = NULL;
+
+  if (socket->grabbed_keys)
+    {
+      key.accelerator_key = hardware_keycode;
+      key.accelerator_mods = mods;
+
+      found_key = g_hash_table_lookup (socket->grabbed_keys, &key);
+    }
+
+  if (found_key)
+    {
+      g_hash_table_remove (socket->grabbed_keys, &key);
+      g_free (found_key);
+    }
+  else
+    g_warning ("GtkSocket: request to remove non-present grabbed key %u,%#x\n",
+              hardware_keycode, mods);
+}
+
+static gboolean
+toplevel_key_press_handler (GtkWidget   *toplevel,
+                           GdkEventKey *event,
+                           GtkSocket   *socket)
+{
+  GrabbedKey search_key;
+
+  search_key.accelerator_key = event->hardware_keycode;
+  search_key.accelerator_mods = event->state;
+
+  if (socket->grabbed_keys &&
+      g_hash_table_lookup (socket->grabbed_keys, &search_key))
+    {
+      gtk_socket_key_press_event (GTK_WIDGET (socket), event);
+      gtk_signal_emit_stop_by_name (GTK_OBJECT (toplevel), "key_press_event");
+
+      return TRUE;
+    }
+  else
+    return FALSE;
+}
+
+#endif
+
+static void
+toplevel_focus_in_handler (GtkWidget     *toplevel,
+                          GdkEventFocus *event,
+                          GtkSocket     *socket)
+{
+  /* It appears spurious focus in events can occur when
+   *  the window is hidden. So we'll just check to see if
+   *  the window is visible before actually handling the
+   *  event. (Comment from gtkwindow.c)
+   */
+  if (GTK_WIDGET_VISIBLE (toplevel))
+    send_xembed_message (socket, XEMBED_WINDOW_ACTIVATE, 0, 0, 0,
+                        gtk_get_current_event_time ()); /* Will be GDK_CURRENT_TIME */
+}
+
+static void
+toplevel_focus_out_handler (GtkWidget     *toplevel,
+                           GdkEventFocus *event,
+                           GtkSocket     *socket)
+{
+  send_xembed_message (socket, XEMBED_WINDOW_DEACTIVATE, 0, 0, 0,
+                      gtk_get_current_event_time ()); /* Will be GDK_CURRENT_TIME */
+}
+
+static void
+gtk_socket_hierarchy_changed (GtkWidget *widget)
+{
+  GtkSocket *socket = GTK_SOCKET (widget);
+  GtkWidget *toplevel = gtk_widget_get_toplevel (widget);
+
+  if (toplevel && !GTK_IS_WINDOW (toplevel))
+    toplevel = NULL;
+
+  if (toplevel != socket->toplevel)
+    {
+      if (socket->toplevel)
+       {
+#if 0
+         gtk_signal_disconnect_by_func (GTK_OBJECT (socket->toplevel), GTK_SIGNAL_FUNC (toplevel_key_press_handler), socket);
+#endif   
+         gtk_signal_disconnect_by_func (GTK_OBJECT (socket->toplevel), GTK_SIGNAL_FUNC (toplevel_focus_in_handler), socket);
+         gtk_signal_disconnect_by_func (GTK_OBJECT (socket->toplevel), GTK_SIGNAL_FUNC (toplevel_focus_out_handler), socket);
+       }
+
+      socket->toplevel = toplevel;
+
+      if (toplevel)
+       {
+#if 0
+         gtk_signal_connect (GTK_OBJECT (socket->toplevel), "key_press_event",
+                             GTK_SIGNAL_FUNC (toplevel_key_press_handler), socket);
+#endif
+         gtk_signal_connect (GTK_OBJECT (socket->toplevel), "focus_in_event",
+                             GTK_SIGNAL_FUNC (toplevel_focus_in_handler), socket);
+         gtk_signal_connect (GTK_OBJECT (socket->toplevel), "focus_out_event",
+                             GTK_SIGNAL_FUNC (toplevel_focus_out_handler), socket);
+       }
+    }
+}
+
+static void
+gtk_socket_grab_notify (GtkWidget *widget,
+                       gboolean   was_grabbed)
+{
+  send_xembed_message (GTK_SOCKET (widget),
+                      was_grabbed ? XEMBED_MODALITY_OFF : XEMBED_MODALITY_ON,
+                      0, 0, 0, gtk_get_current_event_time ());
+}
 
-  if (socket->focus_in && socket->plug_window)
+static gboolean
+gtk_socket_key_press_event (GtkWidget   *widget,
+                           GdkEventKey *event)
+{
+  GtkSocket *socket = GTK_SOCKET (widget);
+  
+  if (socket->plug_window)
     {
+      XEvent xevent;
+      
+      xevent.xkey.type = KeyPress;
+      xevent.xkey.display = GDK_WINDOW_XDISPLAY (event->window);
+      xevent.xkey.window = GDK_WINDOW_XWINDOW (socket->plug_window);
+      xevent.xkey.root = GDK_ROOT_WINDOW ();
+      xevent.xkey.time = event->time;
+      /* FIXME, the following might cause problems for non-GTK apps */
+      xevent.xkey.x = 0;
+      xevent.xkey.y = 0;
+      xevent.xkey.x_root = 0;
+      xevent.xkey.y_root = 0;
+      xevent.xkey.state = event->state;
+      xevent.xkey.keycode = event->hardware_keycode;
+      xevent.xkey.same_screen = TRUE; /* FIXME ? */
+      
       gdk_error_trap_push ();
-      XSetInputFocus (GDK_DISPLAY (),
-                     GDK_WINDOW_XWINDOW (socket->plug_window),
-                     RevertToParent, GDK_CURRENT_TIME);
-      gdk_flush();
+      XSendEvent (gdk_display,
+                 GDK_WINDOW_XWINDOW (socket->plug_window),
+                 False, NoEventMask, &xevent);
+      gdk_flush ();
       gdk_error_trap_pop ();
+      
+      return TRUE;
+    }
+  else
+    return FALSE;
+}
+
+static gboolean
+gtk_socket_focus_in_event (GtkWidget *widget, GdkEventFocus *event)
+{
+  GtkSocket *socket = GTK_SOCKET (widget);
+
+  if (!GTK_WIDGET_HAS_FOCUS (widget))
+    {
+      GTK_WIDGET_SET_FLAGS (widget, GTK_HAS_FOCUS);
+  
+      if (socket->plug_window)
+       {
+          send_xembed_message (socket, XEMBED_FOCUS_IN, XEMBED_FOCUS_CURRENT, 0, 0,
+                              gtk_get_current_event_time ());
+       }
     }
   
   return TRUE;
 }
 
-static gint
+static gboolean
 gtk_socket_focus_out_event (GtkWidget *widget, GdkEventFocus *event)
 {
-  GtkWidget *toplevel;
-  GtkSocket *socket;
+  GtkSocket *socket = GTK_SOCKET (widget);
 
-  g_return_val_if_fail (GTK_IS_SOCKET (widget), FALSE);
-  socket = GTK_SOCKET (widget);
+  GTK_WIDGET_UNSET_FLAGS (widget, GTK_HAS_FOCUS);
 
-  toplevel = gtk_widget_get_ancestor (widget, gtk_window_get_type());
+#if 0
+  GtkWidget *toplevel;
+  toplevel = gtk_widget_get_ancestor (widget, GTK_TYPE_WINDOW);
   
   if (toplevel)
     {
@@ -405,8 +671,16 @@ gtk_socket_focus_out_event (GtkWidget *widget, GdkEventFocus *event)
                      RevertToParent, CurrentTime); /* FIXME? */
     }
 
-  socket->focus_in = FALSE;
+#endif      
+
+  if (socket->plug_window)
+    {
+      send_xembed_message (socket, XEMBED_FOCUS_OUT, 0, 0, 0,
+                          gtk_get_current_event_time ());
+    }
 
+  socket->focus_in = FALSE;
+  
   return TRUE;
 }
 
@@ -426,24 +700,55 @@ gtk_socket_claim_focus (GtkSocket *socket)
    * it as an app... (and see _focus_in ()) */
   if (socket->plug_window)
     {
+#if 0      
       gdk_error_trap_push ();
       XSetInputFocus (GDK_DISPLAY (),
                      GDK_WINDOW_XWINDOW (socket->plug_window),
                      RevertToParent, GDK_CURRENT_TIME);
       gdk_flush ();
       gdk_error_trap_pop ();
+#endif
     }
 }
 
-static gint 
+static gboolean
 gtk_socket_focus (GtkContainer *container, GtkDirectionType direction)
 {
   GtkSocket *socket;
+  gint detail = -1;
 
   g_return_val_if_fail (GTK_IS_SOCKET (container), FALSE);
   
   socket = GTK_SOCKET (container);
 
+  if (!GTK_WIDGET_HAS_FOCUS (container))
+    {
+      switch (direction)
+       {
+       case GTK_DIR_UP:
+       case GTK_DIR_LEFT:
+       case GTK_DIR_TAB_BACKWARD:
+         detail = XEMBED_FOCUS_LAST;
+         break;
+       case GTK_DIR_DOWN:
+       case GTK_DIR_RIGHT:
+       case GTK_DIR_TAB_FORWARD:
+         detail = XEMBED_FOCUS_FIRST;
+         break;
+       }
+      
+      send_xembed_message (socket, XEMBED_FOCUS_IN, detail, 0, 0,
+                          gtk_get_current_event_time ());
+
+      GTK_WIDGET_SET_FLAGS (container, GTK_HAS_FOCUS);
+      gtk_widget_grab_focus (GTK_WIDGET (container));
+      return TRUE;
+    }
+  else
+    return FALSE;
+
+#if 0
   if (!socket->focus_in && socket->plug_window)
     {
       XEvent xevent;
@@ -501,6 +806,7 @@ gtk_socket_focus (GtkContainer *container, GtkDirectionType direction)
     {
       return FALSE;
     }
+#endif  
 }
 
 static void
@@ -534,7 +840,7 @@ gtk_socket_send_configure_event (GtkSocket *socket)
 }
 
 static void
-gtk_socket_add_window (GtkSocket *socket, guint32 xid)
+gtk_socket_add_window (GtkSocket *socket, GdkNativeWindow xid)
 {
   socket->plug_window = gdk_window_lookup (xid);
   socket->same_app = TRUE;
@@ -571,6 +877,98 @@ gtk_socket_add_window (GtkSocket *socket, guint32 xid)
        {
          gtk_window_add_embedded_xid (GTK_WINDOW (toplevel), xid);
        }
+
+      gtk_widget_queue_resize (GTK_WIDGET (socket));
+    }
+}
+
+
+static void
+send_xembed_message (GtkSocket *socket,
+                    glong      message,
+                    glong      detail,
+                    glong      data1,
+                    glong      data2,
+                    guint32    time)
+{
+  GTK_NOTE(PLUGSOCKET,
+          g_message ("GtkSocket: Sending XEMBED message of type %d", message));
+  
+  if (socket->plug_window)
+    {
+      XEvent xevent;
+
+      xevent.xclient.window = GDK_WINDOW_XWINDOW (socket->plug_window);
+      xevent.xclient.type = ClientMessage;
+      xevent.xclient.message_type = gdk_atom_intern ("_XEMBED", FALSE);
+      xevent.xclient.format = 32;
+      xevent.xclient.data.l[0] = time;
+      xevent.xclient.data.l[1] = message;
+      xevent.xclient.data.l[2] = detail;
+      xevent.xclient.data.l[3] = data1;
+      xevent.xclient.data.l[4] = data2;
+
+      gdk_error_trap_push ();
+      XSendEvent (gdk_display,
+                 GDK_WINDOW_XWINDOW (socket->plug_window),
+                 False, NoEventMask, &xevent);
+      gdk_flush ();
+      gdk_error_trap_pop ();
+    }
+}
+
+static void
+handle_xembed_message (GtkSocket *socket,
+                      glong      message,
+                      glong      detail,
+                      glong      data1,
+                      glong      data2,
+                      guint32    time)
+{
+  switch (message)
+    {
+    case XEMBED_EMBEDDED_NOTIFY:
+    case XEMBED_WINDOW_ACTIVATE:
+    case XEMBED_WINDOW_DEACTIVATE:
+    case XEMBED_MODALITY_ON:
+    case XEMBED_MODALITY_OFF:
+    case XEMBED_FOCUS_IN:
+    case XEMBED_FOCUS_OUT:
+      g_warning ("GtkSocket: Invalid _XEMBED message of type %ld received", message);
+      break;
+      
+    case XEMBED_REQUEST_FOCUS:
+      gtk_socket_claim_focus (socket);
+      break;
+
+    case XEMBED_FOCUS_NEXT:
+    case XEMBED_FOCUS_PREV:
+      {
+       GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (socket));
+       if (toplevel && GTK_IS_CONTAINER (toplevel))
+         {
+           gtk_container_focus (GTK_CONTAINER (toplevel),
+                                (message == XEMBED_FOCUS_NEXT ?
+                                 GTK_DIR_TAB_FORWARD : GTK_DIR_TAB_BACKWARD));
+         }
+       break;
+      }
+      
+    case XEMBED_GRAB_KEY:
+#if 0
+      add_grabbed_key (socket, data1, data2);
+#endif
+      break; 
+    case XEMBED_UNGRAB_KEY:
+#if 0      
+      remove_grabbed_key (socket, data1, data2);
+#endif
+      break;
+      
+    default:
+      GTK_NOTE(PLUGSOCKET,
+              g_message ("GtkSocket: Ignoring unknown _XEMBED message of type %ld", message));
+      break;
     }
 }
 
@@ -615,8 +1013,6 @@ gtk_socket_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
                     g_message ("GtkSocket - window created with size: %d %d",
                                socket->request_width,
                                socket->request_height));
-           
-           gtk_widget_queue_resize (widget);
          }
        
        return_val = GDK_FILTER_REMOVE;
@@ -672,6 +1068,7 @@ gtk_socket_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
            toplevel = gtk_widget_get_toplevel (GTK_WIDGET (socket));
            if (toplevel && GTK_IS_WINDOW (toplevel))
              gtk_window_remove_embedded_xid (GTK_WINDOW (toplevel), xdwe->window);
+           
            gdk_window_destroy_notify (socket->plug_window);
            gtk_widget_destroy (widget);
 
@@ -680,8 +1077,8 @@ gtk_socket_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
            return_val = GDK_FILTER_REMOVE;
          }
        break;
-    }
-      
+      }
+
     case FocusIn:
       if (xevent->xfocus.mode == EMBEDDED_APP_WANTS_FOCUS)
        {
@@ -691,7 +1088,7 @@ gtk_socket_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
        {
 #if 0
          GtkWidget *toplevel;
-         toplevel = gtk_widget_get_ancestor (widget, gtk_window_get_type());
+         toplevel = gtk_widget_get_ancestor (widget, GTK_TYPE_WINDOW);
          
          if (toplevel)
            {
@@ -715,7 +1112,7 @@ gtk_socket_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
        {
          GTK_NOTE(PLUGSOCKET,
                   g_message ("GtkSocket - Map Request"));
-
+         
          gdk_error_trap_push ();
          gdk_window_show (socket->plug_window);
          gdk_flush ();
@@ -743,18 +1140,33 @@ gtk_socket_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
            }
          return_val = GDK_FILTER_REMOVE;
        }
+      break;
+    case ClientMessage:
+      if (xevent->xclient.message_type == gdk_atom_intern ("_XEMBED", FALSE))
+       {
+         handle_xembed_message (socket,
+                                xevent->xclient.data.l[1],
+                                xevent->xclient.data.l[2],
+                                xevent->xclient.data.l[3],
+                                xevent->xclient.data.l[4],
+                                xevent->xclient.data.l[0]);
+         
+         
+         return_val = GDK_FILTER_REMOVE;
+       }
+      break;
     }
-
+  
   return return_val;
 }
 
-#elif defined (GDK_WINDOWING_WIN32)
+#else
 
-guint
-gtk_socket_get_type ()
+GtkType
+gtk_socket_get_type (void)
 {
   g_error ("GtkSocket not implemented");
-  return 42;
+  return 0;
 }
 
 GtkWidget*
@@ -765,7 +1177,7 @@ gtk_socket_new ()
 }
 
 void           
-gtk_socket_steal (GtkSocket *socket, guint32 id)
+gtk_socket_steal (GtkSocket *socket, GdkNativeWindow id)
 {
   g_error ("GtkSocket not implemented");
 }