gtk/gtksocket.c Splice out backend-dependend parts to separate files, see
authorTor Lillqvist <tml@novell.com>
Thu, 21 Jul 2005 13:31:03 +0000 (13:31 +0000)
committerTor Lillqvist <tml@src.gnome.org>
Thu, 21 Jul 2005 13:31:03 +0000 (13:31 +0000)
2005-07-21  Tor Lillqvist  <tml@novell.com>

* gtk/gtksocket.c
* gtk/gtkplug.c: Splice out backend-dependend parts to separate
files, see below.

* gtk/gtksocketprivate.h
* gtk/gtkplugprivate.h: New files. Declare the backend-specific
functions, and the private backend-independent functions they call
back to.

ChangeLog
ChangeLog.pre-2-10
ChangeLog.pre-2-8
gtk/gtkplug.c
gtk/gtkplugprivate.h [new file with mode: 0644]
gtk/gtksocket.c
gtk/gtksocketprivate.h [new file with mode: 0644]

index 16dc7904f2713b4c15f04de5994b803423053a31..660a524e0f79a0a82c03a1b61767992407f8ce9c 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,14 @@
 2005-07-21  Tor Lillqvist  <tml@novell.com>
 
+       * gtk/gtksocket.c
+       * gtk/gtkplug.c: Splice out backend-dependend parts to separate
+       files, see below.
+
+       * gtk/gtksocketprivate.h
+       * gtk/gtkplugprivate.h: New files. Declare the backend-specific
+       functions, and the private backend-independent functions they call
+       back to.
+
        * gtk/gtksocket-stub.c
        * gtk/gtkplug-stub.c
        * gtk/gtksocket-x11.c
index 16dc7904f2713b4c15f04de5994b803423053a31..660a524e0f79a0a82c03a1b61767992407f8ce9c 100644 (file)
@@ -1,5 +1,14 @@
 2005-07-21  Tor Lillqvist  <tml@novell.com>
 
+       * gtk/gtksocket.c
+       * gtk/gtkplug.c: Splice out backend-dependend parts to separate
+       files, see below.
+
+       * gtk/gtksocketprivate.h
+       * gtk/gtkplugprivate.h: New files. Declare the backend-specific
+       functions, and the private backend-independent functions they call
+       back to.
+
        * gtk/gtksocket-stub.c
        * gtk/gtkplug-stub.c
        * gtk/gtksocket-x11.c
index 16dc7904f2713b4c15f04de5994b803423053a31..660a524e0f79a0a82c03a1b61767992407f8ce9c 100644 (file)
@@ -1,5 +1,14 @@
 2005-07-21  Tor Lillqvist  <tml@novell.com>
 
+       * gtk/gtksocket.c
+       * gtk/gtkplug.c: Splice out backend-dependend parts to separate
+       files, see below.
+
+       * gtk/gtksocketprivate.h
+       * gtk/gtkplugprivate.h: New files. Declare the backend-specific
+       functions, and the private backend-independent functions they call
+       back to.
+
        * gtk/gtksocket-stub.c
        * gtk/gtkplug-stub.c
        * gtk/gtksocket-x11.c
index 45f06e0337e0c241d2cda66d63b8ef6432db4c02..257afdb3af2e33a1b99e5a7fa50a063d9019e8d9 100644 (file)
 #include "gtkmarshalers.h"
 #include "gtkplug.h"
 #include "gtkprivate.h"
-
-#include "gdk/gdkkeysyms.h"
-#include "x11/gdkx.h"
-
-#include "gtkxembed.h"
+#include "gtkplugprivate.h"
 
 #include "gtkalias.h"
 
@@ -58,20 +54,16 @@ static gboolean        gtk_plug_focus                 (GtkWidget        *widget,
                                                       GtkDirectionType  direction);
 static void            gtk_plug_check_resize          (GtkContainer     *container);
 static void            gtk_plug_keys_changed          (GtkWindow        *window);
-static GdkFilterReturn gtk_plug_filter_func           (GdkXEvent        *gdk_xevent,
-                                                      GdkEvent         *event,
-                                                      gpointer          data);
-
-static void handle_modality_off        (GtkPlug       *plug);
-static void xembed_set_info            (GdkWindow     *window,
-                                       unsigned long  flags);
 
-/* From Tk */
-#define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
-  
 static GtkWindowClass *parent_class = NULL;
 static GtkBinClass *bin_class = NULL;
 
+typedef struct
+{
+  guint                         accelerator_key;
+  GdkModifierType       accelerator_mods;
+} GrabbedKey;
+
 enum {
   EMBEDDED,
   LAST_SIGNAL
@@ -167,7 +159,7 @@ gtk_plug_set_is_child (GtkPlug  *plug,
   if (is_child)
     {
       if (plug->modality_window)
-       handle_modality_off (plug);
+       _gtk_plug_handle_modality_off (plug);
 
       if (plug->modality_group)
        {
@@ -206,6 +198,27 @@ gtk_plug_set_is_child (GtkPlug  *plug,
     }
 }
 
+/**
+ * gtk_plug_get_id:
+ * @plug: a #GtkPlug.
+ * 
+ * Gets the window ID of a #GtkPlug widget, which can then
+ * be used to embed this window inside another window, for
+ * instance with gtk_socket_add_id().
+ * 
+ * Return value: the window ID for the plug
+ **/
+GdkNativeWindow
+gtk_plug_get_id (GtkPlug *plug)
+{
+  g_return_val_if_fail (GTK_IS_PLUG (plug), 0);
+
+  if (!GTK_WIDGET_REALIZED (plug))
+    gtk_widget_realize (GTK_WIDGET (plug));
+
+  return _gtk_plug_windowing_get_id (plug);
+}
+
 /**
  * _gtk_plug_add_to_socket:
  * @plug: a #GtkPlug
@@ -244,8 +257,16 @@ _gtk_plug_add_to_socket (GtkPlug   *plug,
   g_signal_emit_by_name (socket, "plug_added", 0);
 }
 
-static void
-send_delete_event (GtkWidget *widget)
+/**
+ * _gtk_plug_send_delete_event:
+ * widget: a #GtkWidget
+ *
+ * Send a GDK_DELETE event to the @widget and destroy it if
+ * necessary. Internal GTK function, called from this file or the
+ * backend-specific GtkPlug implementation.
+ */
+void
+_gtk_plug_send_delete_event (GtkWidget *widget)
 {
   GdkEvent *event = gdk_event_new (GDK_DELETE);
   
@@ -265,7 +286,7 @@ send_delete_event (GtkWidget *widget)
 /**
  * _gtk_plug_remove_from_socket:
  * @plug: a #GtkPlug
- * @socket_: a #GtkSocket
+ * @socket: a #GtkSocket
  * 
  * Removes a plug from a socket within the same application.
  **/
@@ -283,17 +304,19 @@ _gtk_plug_remove_from_socket (GtkPlug   *plug,
 
   widget = GTK_WIDGET (plug);
 
+  if (GTK_WIDGET_IN_REPARENT (widget))
+    return;
+
   g_object_ref (plug);
   g_object_ref (socket);
 
   widget_was_visible = GTK_WIDGET_VISIBLE (plug);
   
   gdk_window_hide (widget->window);
+  GTK_PRIVATE_SET_FLAG (plug, GTK_IN_REPARENT);
   gdk_window_reparent (widget->window,
                       gtk_widget_get_root_window (widget),
                       0, 0);
-
-  GTK_PRIVATE_SET_FLAG (plug, GTK_IN_REPARENT);
   gtk_widget_unparent (GTK_WIDGET (plug));
   GTK_PRIVATE_UNSET_FLAG (plug, GTK_IN_REPARENT);
   
@@ -315,7 +338,8 @@ _gtk_plug_remove_from_socket (GtkPlug   *plug,
   if (!result)
     gtk_widget_destroy (GTK_WIDGET (socket));
 
-  send_delete_event (widget);
+  if (widget->window)
+    _gtk_plug_send_delete_event (widget);
 
   g_object_unref (plug);
 
@@ -423,27 +447,6 @@ gtk_plug_new_for_display (GdkDisplay         *display,
   return GTK_WIDGET (plug);
 }
 
-/**
- * gtk_plug_get_id:
- * @plug: a #GtkPlug.
- * 
- * Gets the window ID of a #GtkPlug widget, which can then
- * be used to embed this window inside another window, for
- * instance with gtk_socket_add_id().
- * 
- * Return value: the window ID for the plug
- **/
-GdkNativeWindow
-gtk_plug_get_id (GtkPlug *plug)
-{
-  g_return_val_if_fail (GTK_IS_PLUG (plug), 0);
-
-  if (!GTK_WIDGET_REALIZED (plug))
-    gtk_widget_realize (GTK_WIDGET (plug));
-
-  return GDK_WINDOW_XWINDOW (GTK_WIDGET (plug)->window);
-}
-
 static void
 gtk_plug_finalize (GObject *object)
 {
@@ -477,7 +480,7 @@ gtk_plug_unrealize (GtkWidget *widget)
   if (!plug->same_app)
     {
       if (plug->modality_window)
-       handle_modality_off (plug);
+       _gtk_plug_handle_modality_off (plug);
 
       gtk_window_group_remove_window (plug->modality_group, GTK_WINDOW (plug));
       g_object_unref (plug->modality_group);
@@ -548,12 +551,14 @@ gtk_plug_realize (GtkWidget *widget)
                                           &attributes, attributes_mask);
        }
       
-      gdk_window_add_filter (widget->window, gtk_plug_filter_func, widget);
+      gdk_window_add_filter (widget->window,
+                            _gtk_plug_windowing_filter_func,
+                            widget);
 
       plug->modality_group = gtk_window_group_new ();
       gtk_window_group_add_window (plug->modality_group, window);
       
-      xembed_set_info (widget->window, 0);
+      _gtk_plug_windowing_realize_toplevel (plug);
     }
   else
     widget->window = gdk_window_new (gtk_widget_get_parent_window (widget), 
@@ -596,6 +601,7 @@ gtk_plug_map (GtkWidget *widget)
   if (GTK_WIDGET_TOPLEVEL (widget))
     {
       GtkBin *bin = GTK_BIN (widget);
+      GtkPlug *plug = GTK_PLUG (widget);
       
       GTK_WIDGET_SET_FLAGS (widget, GTK_MAPPED);
 
@@ -604,7 +610,7 @@ gtk_plug_map (GtkWidget *widget)
          !GTK_WIDGET_MAPPED (bin->child))
        gtk_widget_map (bin->child);
 
-      xembed_set_info (widget->window, XEMBED_MAPPED);
+      _gtk_plug_windowing_map_toplevel (plug);
       
       gdk_synthesize_window_state (widget->window,
                                   GDK_WINDOW_STATE_WITHDRAWN,
@@ -619,10 +625,13 @@ gtk_plug_unmap (GtkWidget *widget)
 {
   if (GTK_WIDGET_TOPLEVEL (widget))
     {
+      GtkPlug *plug = GTK_PLUG (widget);
+
       GTK_WIDGET_UNSET_FLAGS (widget, GTK_MAPPED);
 
       gdk_window_hide (widget->window);
-      xembed_set_info (widget->window, 0);
+
+      _gtk_plug_windowing_unmap_toplevel (plug);
       
       gdk_synthesize_window_state (widget->window,
                                   0,
@@ -698,18 +707,9 @@ gtk_plug_set_focus (GtkWindow *window,
    */
 
   if (focus && !window->has_toplevel_focus)
-    {
-      _gtk_xembed_send_message (plug->socket_window,
-                               XEMBED_REQUEST_FOCUS, 0, 0, 0);
-    }
+    _gtk_plug_windowing_set_focus (plug);
 }
 
-typedef struct
-{
-  guint                         accelerator_key;
-  GdkModifierType       accelerator_mods;
-} GrabbedKey;
-
 static guint
 grabbed_key_hash (gconstpointer a)
 {
@@ -742,19 +742,38 @@ add_grabbed_key (gpointer key, gpointer val, gpointer data)
   if (!plug->grabbed_keys ||
       !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
     {
-      _gtk_xembed_send_message (plug->socket_window, XEMBED_GTK_GRAB_KEY, 0, 
-                               grabbed_key->accelerator_key, grabbed_key->accelerator_mods);
+      _gtk_plug_windowing_add_grabbed_key (plug,
+                                          grabbed_key->accelerator_key,
+                                          grabbed_key->accelerator_mods);
     }
 }
 
 static void
-add_grabbed_key_always (gpointer key, gpointer val, gpointer data)
+add_grabbed_key_always (gpointer key,
+                       gpointer val,
+                       gpointer data)
 {
   GrabbedKey *grabbed_key = key;
   GtkPlug *plug = data;
 
-  _gtk_xembed_send_message (plug->socket_window, XEMBED_GTK_GRAB_KEY, 0, 
-                           grabbed_key->accelerator_key, grabbed_key->accelerator_mods);
+  _gtk_plug_windowing_add_grabbed_key (plug,
+                                      grabbed_key->accelerator_key,
+                                      grabbed_key->accelerator_mods);
+}
+
+/**
+ * _gtk_plug_add_all_grabbed_keys:
+ *
+ * @plug: a #GtkPlug
+ *
+ * Calls _gtk_plug_windowing_add_grabbed_key() on all the grabbed keys
+ * in the @plug.
+ */
+void
+_gtk_plug_add_all_grabbed_keys (GtkPlug *plug)
+{
+  if (plug->grabbed_keys)
+    g_hash_table_foreach (plug->grabbed_keys, add_grabbed_key_always, plug);
 }
 
 static void
@@ -766,8 +785,9 @@ remove_grabbed_key (gpointer key, gpointer val, gpointer data)
   if (!plug->grabbed_keys ||
       !g_hash_table_lookup (plug->grabbed_keys, grabbed_key))
     {
-      _gtk_xembed_send_message (plug->socket_window, XEMBED_GTK_UNGRAB_KEY, 0, 
-                               grabbed_key->accelerator_key, grabbed_key->accelerator_mods);
+      _gtk_plug_windowing_remove_grabbed_key (plug, 
+                                             grabbed_key->accelerator_key,
+                                             grabbed_key->accelerator_mods);
     }
 }
 
@@ -810,29 +830,6 @@ gtk_plug_keys_changed (GtkWindow *window)
     }
 }
 
-static void
-focus_to_parent (GtkPlug          *plug,
-                GtkDirectionType  direction)
-{
-  XEmbedMessageType message = XEMBED_FOCUS_PREV; /* Quiet GCC */
-  
-  switch (direction)
-    {
-    case GTK_DIR_UP:
-    case GTK_DIR_LEFT:
-    case GTK_DIR_TAB_BACKWARD:
-      message = XEMBED_FOCUS_PREV;
-      break;
-    case GTK_DIR_DOWN:
-    case GTK_DIR_RIGHT:
-    case GTK_DIR_TAB_FORWARD:
-      message = XEMBED_FOCUS_NEXT;
-      break;
-    }
-  
-  _gtk_xembed_send_focus_message (plug->socket_window, message, 0);
-}
-
 static gboolean
 gtk_plug_focus (GtkWidget        *widget,
                GtkDirectionType  direction)
@@ -872,7 +869,7 @@ gtk_plug_focus (GtkWidget        *widget,
     }
 
   if (!GTK_CONTAINER (window)->focus_child)
-    focus_to_parent (plug, direction);
+    _gtk_plug_windowing_focus_to_parent (plug, direction);
 
   return FALSE;
 }
@@ -886,30 +883,16 @@ gtk_plug_check_resize (GtkContainer *container)
     GTK_CONTAINER_CLASS (bin_class)->check_resize (container);
 }
 
-static void
-focus_first_last (GtkPlug          *plug,
-                 GtkDirectionType  direction)
-{
-  GtkWindow *window = GTK_WINDOW (plug);
-  GtkWidget *parent;
-
-  if (window->focus_widget)
-    {
-      parent = window->focus_widget->parent;
-      while (parent)
-       {
-         gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
-         parent = GTK_WIDGET (parent)->parent;
-       }
-      
-      gtk_window_set_focus (GTK_WINDOW (plug), NULL);
-    }
-
-  gtk_widget_child_focus (GTK_WIDGET (plug), direction);
-}
-
-static void
-handle_modality_on (GtkPlug *plug)
+/**
+ * _gtk_plug_handle_modality_on:
+ *
+ * @plug: a #GtkPlug
+ *
+ * Called from the GtkPlug backend when the corresponding socket has
+ * told the plug that it modality has toggled on.
+ */
+void
+_gtk_plug_handle_modality_on (GtkPlug *plug)
 {
   if (!plug->modality_window)
     {
@@ -922,8 +905,16 @@ handle_modality_on (GtkPlug *plug)
     }
 }
 
-static void
-handle_modality_off (GtkPlug *plug)
+/**
+ * _gtk_plug_handle_modality_off:
+ *
+ * @plug: a #GtkPlug
+ *
+ * Called from the GtkPlug backend when the corresponding socket has
+ * told the plug that it modality has toggled off.
+ */
+void
+_gtk_plug_handle_modality_off (GtkPlug *plug)
 {
   if (plug->modality_window)
     {
@@ -932,212 +923,35 @@ handle_modality_off (GtkPlug *plug)
     }
 }
 
-static void
-xembed_set_info (GdkWindow     *window,
-                unsigned long  flags)
-{
-  GdkDisplay *display = gdk_drawable_get_display (window);
-  unsigned long buffer[2];
-
-  Atom xembed_info_atom = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED_INFO");
-
-  buffer[0] = GTK_XEMBED_PROTOCOL_VERSION;
-  buffer[1] = flags;
-
-  XChangeProperty (GDK_DISPLAY_XDISPLAY (display),
-                  GDK_WINDOW_XWINDOW (window),
-                  xembed_info_atom, xembed_info_atom, 32,
-                  PropModeReplace,
-                  (unsigned char *)buffer, 2);
-}
-
-static void
-handle_xembed_message (GtkPlug           *plug,
-                      XEmbedMessageType  message,
-                      glong              detail,
-                      glong              data1,
-                      glong              data2,
-                      guint32            time)
+/**
+ * _gtk_plug_focus_first_last:
+ *
+ * @plug: a #GtkPlug
+ * @direction: a direction
+ *
+ * Called from the GtkPlug backend when the corresponding socket has
+ * told the plug that it has received the focus.
+ */
+void
+_gtk_plug_focus_first_last (GtkPlug          *plug,
+                           GtkDirectionType  direction)
 {
   GtkWindow *window = GTK_WINDOW (plug);
+  GtkWidget *parent;
 
-  GTK_NOTE (PLUGSOCKET,
-           g_message ("GtkPlug: Message of type %d received", message));
-  
-  switch (message)
+  if (window->focus_widget)
     {
-    case XEMBED_EMBEDDED_NOTIFY:
-      break;
-    case XEMBED_WINDOW_ACTIVATE:
-      _gtk_window_set_is_active (window, TRUE);
-      break;
-    case XEMBED_WINDOW_DEACTIVATE:
-      _gtk_window_set_is_active (window, FALSE);
-      break;
-      
-    case XEMBED_MODALITY_ON:
-      handle_modality_on (plug);
-      break;
-    case XEMBED_MODALITY_OFF:
-      handle_modality_off (plug);
-      break;
-
-    case XEMBED_FOCUS_IN:
-      _gtk_window_set_has_toplevel_focus (window, TRUE);
-      switch (detail)
+      parent = window->focus_widget->parent;
+      while (parent)
        {
-       case XEMBED_FOCUS_FIRST:
-         focus_first_last (plug, GTK_DIR_TAB_FORWARD);
-         break;
-       case XEMBED_FOCUS_LAST:
-         focus_first_last (plug, GTK_DIR_TAB_BACKWARD);
-         break;
-       case XEMBED_FOCUS_CURRENT:
-         break;
+         gtk_container_set_focus_child (GTK_CONTAINER (parent), NULL);
+         parent = GTK_WIDGET (parent)->parent;
        }
-      break;
-
-    case XEMBED_FOCUS_OUT:
-      _gtk_window_set_has_toplevel_focus (window, FALSE);
-      break;
       
-    case XEMBED_GRAB_KEY:
-    case XEMBED_UNGRAB_KEY:
-    case XEMBED_GTK_GRAB_KEY:
-    case XEMBED_GTK_UNGRAB_KEY:
-    case XEMBED_REQUEST_FOCUS:
-    case XEMBED_FOCUS_NEXT:
-    case XEMBED_FOCUS_PREV:
-      g_warning ("GtkPlug: Invalid _XEMBED message of type %d received", message);
-      break;
-      
-    default:
-      GTK_NOTE(PLUGSOCKET,
-              g_message ("GtkPlug: Ignoring unknown _XEMBED message of type %d", message));
-      break;
-    }
-}
-
-static GdkFilterReturn
-gtk_plug_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
-{
-  GdkScreen *screen = gdk_drawable_get_screen (event->any.window);
-  GdkDisplay *display = gdk_screen_get_display (screen);
-  GtkPlug *plug = GTK_PLUG (data);
-  XEvent *xevent = (XEvent *)gdk_xevent;
-
-  GdkFilterReturn return_val;
-  
-  return_val = GDK_FILTER_CONTINUE;
-
-  switch (xevent->type)
-    {
-    case ClientMessage:
-      if (xevent->xclient.message_type == gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED"))
-       {
-         _gtk_xembed_push_message (xevent);
-         handle_xembed_message (plug,
-                                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]);
-         _gtk_xembed_pop_message ();
-                                
-         return GDK_FILTER_REMOVE;
-       }
-      else if (xevent->xclient.message_type == gdk_x11_get_xatom_by_name_for_display (display, "WM_DELETE_WINDOW"))
-       {
-         /* We filter these out because we take being reparented back to the
-          * root window as the reliable end of the embedding protocol
-          */
-
-         return GDK_FILTER_REMOVE;
-       }
-      break;
-    case ReparentNotify:
-      {
-       XReparentEvent *xre = &xevent->xreparent;
-       gboolean was_embedded = plug->socket_window != NULL;
-
-       return_val = GDK_FILTER_REMOVE;
-       
-       g_object_ref (plug);
-       
-       if (was_embedded)
-         {
-           /* End of embedding protocol for previous socket */
-           
-           /* FIXME: race if we remove from another socket and
-            * then add to a local window before we get notification
-            * Probably need check in _gtk_plug_add_to_socket
-            */
-           
-           if (xre->parent != GDK_WINDOW_XWINDOW (plug->socket_window))
-             {
-               GtkWidget *widget = GTK_WIDGET (plug);
-
-               gdk_window_set_user_data (plug->socket_window, NULL);
-               g_object_unref (plug->socket_window);
-               plug->socket_window = NULL;
-
-               /* Emit a delete window, as if the user attempted
-                * to close the toplevel. Simple as to how we
-                * handle WM_DELETE_WINDOW, if it isn't handled
-                * we destroy the widget. BUt only do this if
-                * we are being reparented to the root window.
-                * Moving from one embedder to another should
-                * be invisible to the app.
-                */
-
-               if (xre->parent == GDK_WINDOW_XWINDOW (gdk_screen_get_root_window (screen)))
-                 send_delete_event (widget);
-             }
-           else
-             goto done;
-         }
-
-       if (xre->parent != GDK_WINDOW_XWINDOW (gdk_screen_get_root_window (screen)))
-         {
-           /* Start of embedding protocol */
-
-           plug->socket_window = gdk_window_lookup_for_display (display, xre->parent);
-           if (plug->socket_window)
-             {
-               gpointer user_data = NULL;
-               gdk_window_get_user_data (plug->socket_window, &user_data);
-
-               if (user_data)
-                 {
-                   g_warning (G_STRLOC "Plug reparented unexpectedly into window in the same process");
-                   plug->socket_window = NULL;
-                   break;
-                 }
-
-               g_object_ref (plug->socket_window);
-             }
-           else
-             {
-               plug->socket_window = gdk_window_foreign_new_for_display (display, xre->parent);
-               if (!plug->socket_window) /* Already gone */
-                 break;
-             }
-
-           if (plug->grabbed_keys)
-             g_hash_table_foreach (plug->grabbed_keys, add_grabbed_key_always, plug);
-
-           if (!was_embedded)
-             g_signal_emit (plug, plug_signals[EMBEDDED], 0);
-         }
-
-      done:
-       g_object_unref (plug);
-       
-       break;
-      }
+      gtk_window_set_focus (GTK_WINDOW (plug), NULL);
     }
 
-  return GDK_FILTER_CONTINUE;
+  gtk_widget_child_focus (GTK_WIDGET (plug), direction);
 }
 
 #define __GTK_PLUG_C__
diff --git a/gtk/gtkplugprivate.h b/gtk/gtkplugprivate.h
new file mode 100644 (file)
index 0000000..fb173c1
--- /dev/null
@@ -0,0 +1,141 @@
+/* GTK - The GIMP Toolkit
+ * 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 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
+ * Lesser General Public License for more details.
+ *
+ * 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.
+ */
+
+/*
+ * 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/. 
+ */
+
+#ifndef __GTK_PLUG_PRIVATE_H__
+#define __GTK_PLUG_PRIVATE_H__
+
+/* In gtkplug.c: */
+void _gtk_plug_send_delete_event      (GtkWidget        *widget);
+void _gtk_plug_add_all_grabbed_keys   (GtkPlug          *plug);
+void _gtk_plug_focus_first_last       (GtkPlug          *plug,
+                                      GtkDirectionType  direction);
+void _gtk_plug_handle_modality_on     (GtkPlug          *plug);
+void _gtk_plug_handle_modality_off    (GtkPlug          *plug);
+
+/* In backend-specific file: */
+
+/**
+ * _gtk_plug_windowing_get_id:
+ *
+ * @plug: a #GtkPlug
+ *
+ * Returns the native window system identifier for the plug's window.
+ */
+GdkNativeWindow _gtk_plug_windowing_get_id (GtkPlug *plug);
+
+/**
+ * _gtk_plug_windowing_realize_toplevel:
+ *
+ * @plug_window: a #GtkPlug's #GdkWindow
+ *
+ * Called from GtkPlug's realize method. Should tell the corresponding
+ * socket that the plug has been realized.
+ */
+void _gtk_plug_windowing_realize_toplevel (GtkPlug *plug);
+
+/**
+ * _gtk_plug_windowing_map_toplevel:
+ *
+ * @plug: a #GtkPlug
+ *
+ * Called from GtkPlug's map method. Should tell the corresponding
+ * #GtkSocket that the plug has been mapped.
+ */
+void _gtk_plug_windowing_map_toplevel (GtkPlug *plug);
+
+/**
+ * _gtk_plug_windowing_map_toplevel:
+ *
+ * @plug: a #GtkPlug
+ *
+ * Called from GtkPlug's unmap method. Should tell the corresponding
+ * #GtkSocket that the plug has been unmapped.
+ */
+void _gtk_plug_windowing_unmap_toplevel (GtkPlug *plug);
+
+/**
+ * _gtk_plug_windowing_set_focus:
+ *
+ * @plug: a #GtkPlug
+ *
+ * Called from GtkPlug's set_focus method. Should tell the corresponding
+ * #GtkSocket to request focus.
+ */
+void _gtk_plug_windowing_set_focus (GtkPlug *plug);
+
+/**
+ * _gtk_plug_windowing_add_grabbed_key:
+ *
+ * @plug: a #GtkPlug
+ * @accelerator_key: a key
+ * @accelerator_mods: modifiers for it
+ *
+ * Called from GtkPlug's keys_changed method. Should tell the
+ * corresponding #GtkSocket to grab the key.
+ */
+void _gtk_plug_windowing_add_grabbed_key (GtkPlug         *plug,
+                                         guint            accelerator_key,
+                                         GdkModifierType  accelerator_mods);
+
+/**
+ * _gtk_plug_windowing_remove_grabbed_key:
+ *
+ * @plug: a #GtkPlug
+ * @accelerator_key: a key
+ * @accelerator_mods: modifiers for it
+ *
+ * Called from GtkPlug's keys_changed method. Should tell the
+ * corresponding #GtkSocket to remove the key grab.
+ */
+void _gtk_plug_windowing_remove_grabbed_key (GtkPlug         *plug,
+                                            guint            accelerator_key,
+                                            GdkModifierType  accelerator_mods);
+
+/**
+ * _gtk_plug_windowing_focus_to_parent:
+ *
+ * @plug: a #GtkPlug
+ * @direction: a direction
+ *
+ * Called from GtkPlug's focus method. Should tell the corresponding
+ * #GtkSocket to move the focus.
+ */
+void _gtk_plug_windowing_focus_to_parent (GtkPlug         *plug,
+                                         GtkDirectionType direction);
+
+/**
+ * _gtk_plug_windowing_filter_func:
+ *
+ * @gdk_xevent: a windowing system native event
+ * @event: a pre-allocated empty GdkEvent
+ * @data: the #GtkPlug
+ *
+ * Event filter function installed on plug windows.
+ */
+GdkFilterReturn _gtk_plug_windowing_filter_func (GdkXEvent *gdk_xevent,
+                                                GdkEvent  *event,
+                                                gpointer   data);
+
+#endif /* __GTK_PLUG_PRIVATE_H__ */
index a1679fbe6bd346f3cf469fe6b828394a4f50a647..c2b28e31ea447d2ee32c3a35896775080e1b60d3 100644 (file)
 #include "gtkplug.h"
 #include "gtkprivate.h"
 #include "gtksocket.h"
+#include "gtksocketprivate.h"
 #include "gtkdnd.h"
 
-#include "x11/gdkx.h"
-
-#include "gtkxembed.h"
 #include "gtkalias.h"
 
-typedef struct _GtkSocketPrivate GtkSocketPrivate;
-
-struct _GtkSocketPrivate
-{
-  gint resize_count;
-};
-
 /* Forward declararations */
 
 static void     gtk_socket_class_init           (GtkSocketClass   *klass);
@@ -68,9 +59,6 @@ static void     gtk_socket_grab_notify          (GtkWidget        *widget,
                                                 gboolean          was_grabbed);
 static gboolean gtk_socket_key_event            (GtkWidget        *widget,
                                                 GdkEventKey      *event);
-static void     gtk_socket_claim_focus          (GtkSocket        *socket,
-                                                gboolean          send_event);
-static void     gtk_socket_send_configure_event (GtkSocket        *socket);
 static gboolean gtk_socket_focus                (GtkWidget        *widget,
                                                 GtkDirectionType  direction);
 static void     gtk_socket_remove               (GtkContainer     *container,
@@ -81,22 +69,14 @@ static void     gtk_socket_forall               (GtkContainer     *container,
                                                 gpointer          callback_data);
 
 
-static void            gtk_socket_add_window  (GtkSocket       *socket,
-                                              GdkNativeWindow  xid,
-                                              gboolean         need_reparent);
-static GdkFilterReturn gtk_socket_filter_func (GdkXEvent       *gdk_xevent,
-                                              GdkEvent        *event,
-                                              gpointer         data);
-
-static gboolean xembed_get_info     (GdkWindow     *gdk_window,
-                                    unsigned long *version,
-                                    unsigned long *flags);
-
-/* From Tk */
-#define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
-
 /* Local data */
 
+typedef struct
+{
+  guint                         accel_key;
+  GdkModifierType       accel_mods;
+} GrabbedKey;
+
 enum {
   PLUG_ADDED,
   PLUG_REMOVED,
@@ -107,8 +87,16 @@ static guint socket_signals[LAST_SIGNAL] = { 0 };
 
 static GtkWidgetClass *parent_class = NULL;
 
-static GtkSocketPrivate *
-gtk_socket_get_private (GtkSocket *socket)
+/**
+ * _gtk_socket_get_private:
+ *
+ * @socket: a #GtkSocket
+ *
+ * Returns the private data associated with a GtkSocket, creating it
+ * first if necessary.
+ */
+GtkSocketPrivate *
+_gtk_socket_get_private (GtkSocket *socket)
 {
   GtkSocketPrivate *private;
   static GQuark private_quark = 0;
@@ -271,7 +259,8 @@ gtk_socket_new (void)
  *  before you can make this call.
  **/
 void           
-gtk_socket_steal (GtkSocket *socket, GdkNativeWindow wid)
+gtk_socket_steal (GtkSocket      *socket,
+                 GdkNativeWindow wid)
 {
   g_return_if_fail (GTK_IS_SOCKET (socket));
   g_return_if_fail (GTK_WIDGET_ANCHORED (socket));
@@ -279,7 +268,7 @@ gtk_socket_steal (GtkSocket *socket, GdkNativeWindow wid)
   if (!GTK_WIDGET_REALIZED (socket))
     gtk_widget_realize (GTK_WIDGET (socket));
 
-  gtk_socket_add_window (socket, wid, TRUE);
+  _gtk_socket_add_window (socket, wid, TRUE);
 }
 
 /**
@@ -301,7 +290,8 @@ gtk_socket_steal (GtkSocket *socket, GdkNativeWindow wid)
  *  before you can make this call.
  **/
 void           
-gtk_socket_add_id (GtkSocket *socket, GdkNativeWindow window_id)
+gtk_socket_add_id (GtkSocket      *socket,
+                  GdkNativeWindow window_id)
 {
   g_return_if_fail (GTK_IS_SOCKET (socket));
   g_return_if_fail (GTK_WIDGET_ANCHORED (socket));
@@ -309,7 +299,7 @@ gtk_socket_add_id (GtkSocket *socket, GdkNativeWindow window_id)
   if (!GTK_WIDGET_REALIZED (socket))
     gtk_widget_realize (GTK_WIDGET (socket));
 
-  gtk_socket_add_window (socket, window_id, TRUE);
+  _gtk_socket_add_window (socket, window_id, TRUE);
 }
 
 /**
@@ -334,7 +324,7 @@ gtk_socket_get_id (GtkSocket *socket)
   if (!GTK_WIDGET_REALIZED (socket))
     gtk_widget_realize (GTK_WIDGET (socket));
 
-  return GDK_WINDOW_XWINDOW (GTK_WIDGET (socket)->window);
+  return _gtk_socket_windowing_get_id (socket);
 }
 
 static void
@@ -343,7 +333,6 @@ gtk_socket_realize (GtkWidget *widget)
   GtkSocket *socket;
   GdkWindowAttr attributes;
   gint attributes_mask;
-  XWindowAttributes xattrs;
 
   g_return_if_fail (GTK_IS_SOCKET (widget));
 
@@ -369,16 +358,11 @@ gtk_socket_realize (GtkWidget *widget)
   widget->style = gtk_style_attach (widget->style, widget->window);
   gtk_style_set_background (widget->style, widget->window, GTK_STATE_NORMAL);
 
-  XGetWindowAttributes (GDK_WINDOW_XDISPLAY (widget->window),
-                       GDK_WINDOW_XWINDOW (widget->window),
-                       &xattrs);
+  _gtk_socket_windowing_realize_window (socket);
 
-  XSelectInput (GDK_WINDOW_XDISPLAY (widget->window),
-               GDK_WINDOW_XWINDOW (widget->window), 
-               xattrs.your_event_mask | 
-               SubstructureNotifyMask | SubstructureRedirectMask);
-
-  gdk_window_add_filter (widget->window, gtk_socket_filter_func, widget);
+  gdk_window_add_filter (widget->window,
+                        _gtk_socket_windowing_filter_func,
+                        widget);
 
   GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
 
@@ -389,16 +373,22 @@ gtk_socket_realize (GtkWidget *widget)
   gdk_display_sync (gtk_widget_get_display (widget));
 }
 
-static void
-gtk_socket_end_embedding (GtkSocket *socket)
+/**
+ * _gtk_socket_end_embedding:
+ *
+ * @socket: a #GtkSocket
+ *
+ * Called to end the embedding of a plug in the socket.
+ */
+void
+_gtk_socket_end_embedding (GtkSocket *socket)
 {
-  GtkSocketPrivate *private = gtk_socket_get_private (socket);
+  GtkSocketPrivate *private = _gtk_socket_get_private (socket);
   GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (socket));
   gint i;
   
   if (toplevel && GTK_IS_WINDOW (toplevel))
-    gtk_window_remove_embedded_xid (GTK_WINDOW (toplevel), 
-                                   GDK_WINDOW_XWINDOW (socket->plug_window));
+    _gtk_socket_windowing_end_embedding_toplevel (socket);
 
   g_object_unref (socket->plug_window);
   socket->plug_window = NULL;
@@ -427,7 +417,7 @@ gtk_socket_unrealize (GtkWidget *widget)
     }
   else if (socket->plug_window)
     {
-      gtk_socket_end_embedding (socket);
+      _gtk_socket_end_embedding (socket);
     }
 
   if (GTK_WIDGET_CLASS (parent_class)->unrealize)
@@ -447,34 +437,7 @@ gtk_socket_size_request (GtkWidget      *widget,
   else
     {
       if (socket->is_mapped && !socket->have_size && socket->plug_window)
-       {
-         XSizeHints hints;
-         long supplied;
-         
-         gdk_error_trap_push ();
-
-         socket->request_width = 1;
-         socket->request_height = 1;
-         
-         if (XGetWMNormalHints (GDK_WINDOW_XDISPLAY (socket->plug_window),
-                                GDK_WINDOW_XWINDOW (socket->plug_window),
-                                &hints, &supplied))
-           {
-             if (hints.flags & PMinSize)
-               {
-                 socket->request_width = hints.min_width;
-                 socket->request_height = hints.min_height;
-               }
-             else if (hints.flags & PBaseSize)
-               {
-                 socket->request_width = hints.base_width;
-                 socket->request_height = hints.base_height;
-               }
-           }
-         socket->have_size = TRUE;
-         
-         gdk_error_trap_pop ();
-       }
+       _gtk_socket_windowing_size_request (socket);
 
       if (socket->is_mapped && socket->have_size)
        {
@@ -520,7 +483,7 @@ gtk_socket_size_allocate (GtkWidget     *widget,
        }
       else if (socket->plug_window)
        {
-         GtkSocketPrivate *private = gtk_socket_get_private (socket);
+         GtkSocketPrivate *private = _gtk_socket_get_private (socket);
          
          gdk_error_trap_push ();
          
@@ -533,9 +496,9 @@ gtk_socket_size_allocate (GtkWidget     *widget,
              if (private->resize_count)
                private->resize_count--;
              
-             GTK_NOTE(PLUGSOCKET,
-                      g_message ("GtkSocket - allocated: %d %d",
-                                 allocation->width, allocation->height));
+             GTK_NOTE (PLUGSOCKET,
+                       g_message ("GtkSocket - allocated: %d %d",
+                                  allocation->width, allocation->height));
              socket->current_width = allocation->width;
              socket->current_height = allocation->height;
            }
@@ -548,11 +511,11 @@ gtk_socket_size_allocate (GtkWidget     *widget,
 
          while (private->resize_count)
            {
-             gtk_socket_send_configure_event (socket);
+             _gtk_socket_windowing_send_configure_event (socket);
              private->resize_count--;
-             GTK_NOTE(PLUGSOCKET,
-                      g_message ("GtkSocket - sending synthetic configure: %d %d",
-                                 allocation->width, allocation->height));
+             GTK_NOTE (PLUGSOCKET,
+                       g_message ("GtkSocket - sending synthetic configure: %d %d",
+                                  allocation->width, allocation->height));
            }
          
          gdk_display_sync (gtk_widget_get_display (widget));
@@ -561,12 +524,6 @@ gtk_socket_size_allocate (GtkWidget     *widget,
     }
 }
 
-typedef struct
-{
-  guint                         accel_key;
-  GdkModifierType       accel_mods;
-} GrabbedKey;
-
 static gboolean
 activate_key (GtkAccelGroup  *accel_group,
              GObject        *acceleratable,
@@ -574,35 +531,14 @@ activate_key (GtkAccelGroup  *accel_group,
              GdkModifierType accel_mods,
              GrabbedKey     *grabbed_key)
 {
-  XEvent xevent;
   GdkEvent *gdk_event = gtk_get_current_event ();
   
   GtkSocket *socket = g_object_get_data (G_OBJECT (accel_group), "gtk-socket");
-  GdkScreen *screen = gdk_drawable_get_screen (socket->plug_window);
   gboolean retval = FALSE;
 
   if (gdk_event && gdk_event->type == GDK_KEY_PRESS && socket->plug_window)
     {
-      xevent.xkey.type = KeyPress;
-      xevent.xkey.window = GDK_WINDOW_XWINDOW (socket->plug_window);
-      xevent.xkey.root = GDK_WINDOW_XWINDOW (gdk_screen_get_root_window (screen));
-      xevent.xkey.subwindow = None;
-      xevent.xkey.time = gdk_event->key.time;
-      xevent.xkey.x = 0;
-      xevent.xkey.y = 0;
-      xevent.xkey.x_root = 0;
-      xevent.xkey.y_root = 0;
-      xevent.xkey.state = gdk_event->key.state;
-      xevent.xkey.keycode = gdk_event->key.hardware_keycode;
-      xevent.xkey.same_screen = True;
-
-      gdk_error_trap_push ();
-      XSendEvent (GDK_WINDOW_XDISPLAY (socket->plug_window),
-                 GDK_WINDOW_XWINDOW (socket->plug_window),
-                 False, KeyPressMask, &xevent);
-      gdk_display_sync (gdk_screen_get_display (screen));
-      gdk_error_trap_pop ();
-
+      _gtk_socket_windowing_send_key_event (socket, gdk_event, TRUE);
       retval = TRUE;
     }
 
@@ -623,10 +559,20 @@ find_accel_key (GtkAccelKey *key,
          key->accel_mods == grabbed_key->accel_mods);
 }
 
-static void
-add_grabbed_key (GtkSocket       *socket,
-                guint            keyval,
-                GdkModifierType  modifiers)
+/**
+ * _gtk_socket_add_grabbed_key:
+ *
+ * @socket: a #GtkSocket
+ * @keyval: a key
+ * @modifiers: modifiers for the key
+ *
+ * Called from the GtkSocket platform-specific backend when the
+ * corresponding plug has told the socket to grab a key.
+ */
+void
+_gtk_socket_add_grabbed_key (GtkSocket       *socket,
+                            guint            keyval,
+                            GdkModifierType  modifiers)
 {
   GClosure *closure;
   GrabbedKey *grabbed_key;
@@ -652,10 +598,20 @@ add_grabbed_key (GtkSocket       *socket,
                           closure);
 }
 
-static void
-remove_grabbed_key (GtkSocket      *socket,
-                   guint           keyval,
-                   GdkModifierType modifiers)
+/**
+ * _gtk_socket_remove_grabbed_key:
+ *
+ * @socket: a #GtkSocket
+ * @keyval: a key
+ * @modifiers: modifiers for the key
+ *
+ * Called from the GtkSocket backend when the corresponding plug has
+ * told the socket to remove a key grab.
+ */
+void
+_gtk_socket_remove_grabbed_key (GtkSocket      *socket,
+                               guint           keyval,
+                               GdkModifierType modifiers)
 {
   gint i;
 
@@ -683,6 +639,7 @@ socket_update_focus_in (GtkSocket *socket)
   if (socket->plug_window)
     {
       GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (socket));
+
       if (GTK_WIDGET_TOPLEVEL (toplevel) &&
          GTK_WINDOW (toplevel)->has_toplevel_focus &&
          gtk_widget_is_focus (GTK_WIDGET (socket)))
@@ -693,12 +650,7 @@ socket_update_focus_in (GtkSocket *socket)
     {
       socket->focus_in = focus_in;
 
-      if (focus_in)
-       _gtk_xembed_send_focus_message (socket->plug_window,
-                                       XEMBED_FOCUS_IN, XEMBED_FOCUS_CURRENT);
-      else
-       _gtk_xembed_send_message (socket->plug_window,
-                                 XEMBED_FOCUS_OUT, 0, 0, 0);
+      _gtk_socket_windowing_focus_change (socket, focus_in);
     }
 }
 
@@ -710,6 +662,7 @@ socket_update_active (GtkSocket *socket)
   if (socket->plug_window)
     {
       GtkWidget *toplevel = gtk_widget_get_toplevel (GTK_WIDGET (socket));
+
       if (GTK_WIDGET_TOPLEVEL (toplevel) &&
          GTK_WINDOW (toplevel)->is_active)
        active = TRUE;
@@ -719,9 +672,7 @@ socket_update_active (GtkSocket *socket)
     {
       socket->active = active;
 
-      _gtk_xembed_send_message (socket->plug_window,
-                               active ? XEMBED_WINDOW_ACTIVATE : XEMBED_WINDOW_DEACTIVATE,
-                               0, 0, 0);
+      _gtk_socket_windowing_update_active (socket, active);
     }
 }
 
@@ -771,9 +722,7 @@ gtk_socket_grab_notify (GtkWidget *widget,
   GtkSocket *socket = GTK_SOCKET (widget);
 
   if (!socket->same_app)
-    _gtk_xembed_send_message (GTK_SOCKET (widget)->plug_window,
-                             was_grabbed ? XEMBED_MODALITY_OFF : XEMBED_MODALITY_ON,
-                             0, 0, 0);
+    _gtk_socket_windowing_update_modality (socket, !was_grabbed);
 }
 
 static gboolean
@@ -784,29 +733,8 @@ gtk_socket_key_event (GtkWidget   *widget,
   
   if (GTK_WIDGET_HAS_FOCUS (socket) && socket->plug_window && !socket->plug_widget)
     {
-      GdkScreen *screen = gdk_drawable_get_screen (socket->plug_window);
-      XEvent xevent;
-      
-      xevent.xkey.type = (event->type == GDK_KEY_PRESS) ? KeyPress : KeyRelease;
-      xevent.xkey.window = GDK_WINDOW_XWINDOW (socket->plug_window);
-      xevent.xkey.root = GDK_WINDOW_XWINDOW (gdk_screen_get_root_window (screen));
-      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 ();
-      XSendEvent (GDK_WINDOW_XDISPLAY (socket->plug_window),
-                 GDK_WINDOW_XWINDOW (socket->plug_window),
-                 False, NoEventMask, &xevent);
-      gdk_display_sync (gtk_widget_get_display (widget));
-      gdk_error_trap_pop ();
-      
+      _gtk_socket_windowing_send_key_event (socket, (GdkEvent *) event, FALSE);
+
       return TRUE;
     }
   else
@@ -819,13 +747,20 @@ gtk_socket_notify (GObject    *object,
 {
   if (!strcmp (pspec->name, "is-focus"))
     return;
-
   socket_update_focus_in (GTK_SOCKET (object));
 }
 
-static void
-gtk_socket_claim_focus (GtkSocket *socket,
-                       gboolean   send_event)
+/**
+ * _gtk_socket_claim_focus:
+ *
+ * @socket: a #GtkSocket
+ * @send_event: huh?
+ *
+ * Claims focus for the socket. XXX send_event?
+ */
+void
+_gtk_socket_claim_focus (GtkSocket *socket,
+                        gboolean   send_event)
 {
   if (!send_event)
     socket->focus_in = TRUE;   /* Otherwise, our notify handler will send FOCUS_IN  */
@@ -838,10 +773,10 @@ gtk_socket_claim_focus (GtkSocket *socket,
 }
 
 static gboolean
-gtk_socket_focus (GtkWidget *widget, GtkDirectionType direction)
+gtk_socket_focus (GtkWidget       *widget,
+                 GtkDirectionType direction)
 {
   GtkSocket *socket;
-  gint detail = -1;
 
   g_return_val_if_fail (GTK_IS_SOCKET (widget), FALSE);
   
@@ -852,24 +787,8 @@ gtk_socket_focus (GtkWidget *widget, GtkDirectionType direction)
 
   if (!gtk_widget_is_focus (widget))
     {
-      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;
-       }
-      
-      _gtk_xembed_send_focus_message (socket->plug_window,
-                                     XEMBED_FOCUS_IN, detail);
-
-      gtk_socket_claim_focus (socket, FALSE);
+      _gtk_socket_windowing_focus (socket, direction);
+      _gtk_socket_claim_focus (socket, FALSE);
  
       return TRUE;
     }
@@ -900,48 +819,20 @@ gtk_socket_forall (GtkContainer *container,
     (* callback) (socket->plug_widget, callback_data);
 }
 
-static void
-gtk_socket_send_configure_event (GtkSocket *socket)
-{
-  XEvent event;
-  gint x, y;
-
-  g_return_if_fail (socket->plug_window != NULL);
-
-  event.xconfigure.type = ConfigureNotify;
-
-  event.xconfigure.event = GDK_WINDOW_XWINDOW (socket->plug_window);
-  event.xconfigure.window = GDK_WINDOW_XWINDOW (socket->plug_window);
-
-  /* The ICCCM says that synthetic events should have root relative
-   * coordinates. We still aren't really ICCCM compliant, since
-   * we don't send events when the real toplevel is moved.
-   */
-  gdk_error_trap_push ();
-  gdk_window_get_origin (socket->plug_window, &x, &y);
-  gdk_error_trap_pop ();
-                        
-  event.xconfigure.x = x;
-  event.xconfigure.y = y;
-  event.xconfigure.width = GTK_WIDGET(socket)->allocation.width;
-  event.xconfigure.height = GTK_WIDGET(socket)->allocation.height;
-
-  event.xconfigure.border_width = 0;
-  event.xconfigure.above = None;
-  event.xconfigure.override_redirect = False;
-
-  gdk_error_trap_push ();
-  XSendEvent (GDK_WINDOW_XDISPLAY (socket->plug_window),
-             GDK_WINDOW_XWINDOW (socket->plug_window),
-             False, NoEventMask, &event);
-  gdk_display_sync (gtk_widget_get_display (GTK_WIDGET (socket)));
-  gdk_error_trap_pop ();
-}
-
-static void
-gtk_socket_add_window (GtkSocket        *socket,
-                      GdkNativeWindow   xid,
-                      gboolean          need_reparent)
+/**
+ * _gtk_socket_add_window:
+ *
+ * @socket: a #GtkSocket
+ * @xid: the native identifier for a window
+ * @need_reparent: whether the socket's plug's window needs to be
+ *                reparented to the socket
+ *
+ * Adds a window to a GtkSocket.
+ */
+void
+_gtk_socket_add_window (GtkSocket       *socket,
+                       GdkNativeWindow  xid,
+                       gboolean         need_reparent)
 {
   GtkWidget *widget = GTK_WIDGET (socket);
   GdkDisplay *display = gtk_widget_get_display (widget);
@@ -961,7 +852,7 @@ gtk_socket_add_window (GtkSocket        *socket,
 
       if (!GTK_IS_PLUG (child_widget))
        {
-         g_warning (G_STRLOC "Can't add non-GtkPlug to GtkSocket");
+         g_warning (G_STRLOC "Can't add non-GtkPlug to GtkSocket");
          socket->plug_window = NULL;
          gdk_error_trap_pop ();
          
@@ -974,8 +865,6 @@ gtk_socket_add_window (GtkSocket        *socket,
     {
       GtkWidget *toplevel;
       GdkDragProtocol protocol;
-      unsigned long version;
-      unsigned long flags;
 
       gdk_error_trap_push ();
 
@@ -989,10 +878,8 @@ gtk_socket_add_window (GtkSocket        *socket,
            }
        }
        
-      XSelectInput (GDK_DISPLAY_XDISPLAY (display),
-                   GDK_WINDOW_XWINDOW (socket->plug_window),
-                   StructureNotifyMask | PropertyChangeMask);
-      
+      _gtk_socket_windowing_select_plug_window_input (socket);
+
       if (gdk_error_trap_pop ())
        {
          g_object_unref (socket->plug_window);
@@ -1012,19 +899,8 @@ gtk_socket_add_window (GtkSocket        *socket,
 
       socket->have_size = FALSE;
 
-      socket->xembed_version = -1;
-      if (xembed_get_info (socket->plug_window, &version, &flags))
-       {
-         socket->xembed_version = MIN (GTK_XEMBED_PROTOCOL_VERSION, version);
-         socket->is_mapped = (flags & XEMBED_MAPPED) != 0;
-       }
-      else
-       {
-         /* FIXME, we should probably actually check the state before we started */
-         
-         socket->is_mapped = TRUE;
-       }
-      
+      _gtk_socket_windowing_embed_get_info (socket);
+
       socket->need_map = socket->is_mapped;
 
       if (gdk_drag_get_protocol_for_display (display, xid, &protocol))
@@ -1034,8 +910,9 @@ gtk_socket_add_window (GtkSocket        *socket,
       gdk_display_sync (display);
       gdk_error_trap_pop ();
 
-      gdk_window_add_filter (socket->plug_window, 
-                            gtk_socket_filter_func, socket);
+      gdk_window_add_filter (socket->plug_window,
+                            _gtk_socket_windowing_filter_func,
+                            socket);
 
       /* Add a pointer to the socket on our toplevel window */
 
@@ -1043,10 +920,8 @@ gtk_socket_add_window (GtkSocket        *socket,
       if (toplevel && GTK_IS_WINDOW (toplevel))
        gtk_window_add_embedded_xid (GTK_WINDOW (toplevel), xid);
 
-      _gtk_xembed_send_message (socket->plug_window,
-                               XEMBED_EMBEDDED_NOTIFY, 0,
-                               GDK_WINDOW_XWINDOW (widget->window),
-                               socket->xembed_version);
+      _gtk_socket_windowing_embed_notify (socket);
+
       socket_update_active (socket);
       socket_update_focus_in (socket);
 
@@ -1057,61 +932,54 @@ gtk_socket_add_window (GtkSocket        *socket,
     g_signal_emit (socket, socket_signals[PLUG_ADDED], 0);
 }
 
-static gboolean
-xembed_get_info (GdkWindow     *window,
-                unsigned long *version,
-                unsigned long *flags)
+/**
+ * _gtk_socket_handle_map_request:
+ *
+ * @socket: a #GtkSocket
+ *
+ * Called from the GtkSocket backend when the plug has been mapped.
+ */
+void
+_gtk_socket_handle_map_request (GtkSocket *socket)
 {
-  GdkDisplay *display = gdk_drawable_get_display (window);
-  Atom xembed_info_atom = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED_INFO");
-  Atom type;
-  int format;
-  unsigned long nitems, bytes_after;
-  unsigned char *data;
-  unsigned long *data_long;
-  int status;
-  
-  gdk_error_trap_push();
-  status = XGetWindowProperty (GDK_DISPLAY_XDISPLAY (display),
-                              GDK_WINDOW_XWINDOW (window),
-                              xembed_info_atom,
-                              0, 2, False,
-                              xembed_info_atom, &type, &format,
-                              &nitems, &bytes_after, &data);
-  gdk_error_trap_pop();
-
-  if (status != Success)
-    return FALSE;              /* Window vanished? */
-
-  if (type == None)            /* No info property */
-    return FALSE;
-
-  if (type != xembed_info_atom)
+  if (!socket->is_mapped)
     {
-      g_warning ("_XEMBED_INFO property has wrong type\n");
-      return FALSE;
+      socket->is_mapped = TRUE;
+      socket->need_map = TRUE;
+
+      gtk_widget_queue_resize (GTK_WIDGET (socket));
     }
-  
-  if (nitems < 2)
+}
+
+/**
+ * _gtk_socket_unmap_notify:
+ *
+ * @socket: a #GtkSocket
+ *
+ * Called from the GtkSocket backend when the plug has been unmapped ???
+ */
+void
+_gtk_socket_unmap_notify (GtkSocket *socket)
+{
+  if (socket->is_mapped)
     {
-      g_warning ("_XEMBED_INFO too short\n");
-      XFree (data);
-      return FALSE;
+      socket->is_mapped = FALSE;
+      gtk_widget_queue_resize (GTK_WIDGET (socket));
     }
-  
-  data_long = (unsigned long *)data;
-  if (version)
-    *version = data_long[0];
-  if (flags)
-    *flags = data_long[1] & XEMBED_MAPPED;
-  
-  XFree (data);
-  return TRUE;
 }
 
-static void
-advance_toplevel_focus (GtkSocket        *socket,
-                       GtkDirectionType  direction)
+/**
+ * _gtk_socket_advance_toplevel_focus:
+ *
+ * @socket: a #GtkSocket
+ * @direction: a direction
+ *
+ * Called from the GtkSocket backend when the corresponding plug
+ * has told the socket to move the focus.
+ */
+void
+_gtk_socket_advance_toplevel_focus (GtkSocket        *socket,
+                                   GtkDirectionType  direction)
 {
   GtkBin *bin;
   GtkWindow *window;
@@ -1147,10 +1015,10 @@ advance_toplevel_focus (GtkSocket        *socket,
       /* We are allowed exactly one wrap-around per sequence of focus
        * events
        */
-      if (_gtk_xembed_get_focus_wrapped ())
+      if (_gtk_socket_windowing_embed_get_focus_wrapped ())
        return;
       else
-       _gtk_xembed_set_focus_wrapped ();
+       _gtk_socket_windowing_embed_set_focus_wrapped ();
     }
 
   if (window->focus_widget)
@@ -1174,311 +1042,5 @@ advance_toplevel_focus (GtkSocket        *socket,
     }
 }
 
-static void
-handle_xembed_message (GtkSocket        *socket,
-                      XEmbedMessageType message,
-                      glong             detail,
-                      glong             data1,
-                      glong             data2,
-                      guint32           time)
-{
-  GTK_NOTE (PLUGSOCKET,
-           g_message ("GtkSocket: Message of type %d received", message));
-  
-  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 %d received", message);
-      break;
-      
-    case XEMBED_REQUEST_FOCUS:
-      gtk_socket_claim_focus (socket, TRUE);
-      break;
-
-    case XEMBED_FOCUS_NEXT:
-    case XEMBED_FOCUS_PREV:
-      advance_toplevel_focus (socket,
-                             (message == XEMBED_FOCUS_NEXT ?
-                              GTK_DIR_TAB_FORWARD : GTK_DIR_TAB_BACKWARD));
-      break;
-      
-    case XEMBED_GTK_GRAB_KEY:
-      add_grabbed_key (socket, data1, data2);
-      break; 
-    case XEMBED_GTK_UNGRAB_KEY:
-      remove_grabbed_key (socket, data1, data2);
-      break;
-
-    case XEMBED_GRAB_KEY:
-    case XEMBED_UNGRAB_KEY:
-      break;
-      
-    default:
-      GTK_NOTE (PLUGSOCKET,
-               g_message ("GtkSocket: Ignoring unknown _XEMBED message of type %d", message));
-      break;
-    }
-}
-
-static void
-map_request (GtkSocket *socket)
-{
-  if (!socket->is_mapped)
-    {
-      socket->is_mapped = TRUE;
-      socket->need_map = TRUE;
-
-      gtk_widget_queue_resize (GTK_WIDGET (socket));
-    }
-}
-
-static void
-unmap_notify (GtkSocket *socket)
-{
-  if (socket->is_mapped)
-    {
-      socket->is_mapped = FALSE;
-      gtk_widget_queue_resize (GTK_WIDGET (socket));
-    }
-}
-
-static GdkFilterReturn
-gtk_socket_filter_func (GdkXEvent *gdk_xevent, GdkEvent *event, gpointer data)
-{
-  GtkSocket *socket;
-  GtkWidget *widget;
-  GdkDisplay *display;
-  XEvent *xevent;
-
-  GdkFilterReturn return_val;
-  
-  socket = GTK_SOCKET (data);
-  widget = GTK_WIDGET (socket);
-  xevent = (XEvent *)gdk_xevent;
-  display = gtk_widget_get_display (widget);
-
-  return_val = GDK_FILTER_CONTINUE;
-
-  if (socket->plug_widget)
-    return return_val;
-
-  switch (xevent->type)
-    {
-    case ClientMessage:
-      if (xevent->xclient.message_type == gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED"))
-       {
-         _gtk_xembed_push_message (xevent);
-         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]);
-         _gtk_xembed_pop_message ();
-         
-         return_val = GDK_FILTER_REMOVE;
-       }
-      break;
-
-    case CreateNotify:
-      {
-       XCreateWindowEvent *xcwe = &xevent->xcreatewindow;
-
-       if (!socket->plug_window)
-         {
-           gtk_socket_add_window (socket, xcwe->window, FALSE);
-
-           if (socket->plug_window)
-             {
-               GTK_NOTE(PLUGSOCKET,
-                        g_message ("GtkSocket - window created"));
-             }
-         }
-       
-       return_val = GDK_FILTER_REMOVE;
-       
-       break;
-      }
-
-    case ConfigureRequest:
-      {
-       XConfigureRequestEvent *xcre = &xevent->xconfigurerequest;
-       
-       if (!socket->plug_window)
-         gtk_socket_add_window (socket, xcre->window, FALSE);
-       
-       if (socket->plug_window)
-         {
-           GtkSocketPrivate *private = gtk_socket_get_private (socket);
-           
-           if (xcre->value_mask & (CWWidth | CWHeight))
-             {
-               GTK_NOTE(PLUGSOCKET,
-                        g_message ("GtkSocket - configure request: %d %d",
-                                   socket->request_width,
-                                   socket->request_height));
-
-               private->resize_count++;
-               gtk_widget_queue_resize (widget);
-             }
-           else if (xcre->value_mask & (CWX | CWY))
-             {
-               gtk_socket_send_configure_event (socket);
-             }
-           /* Ignore stacking requests. */
-           
-           return_val = GDK_FILTER_REMOVE;
-         }
-       break;
-      }
-
-    case DestroyNotify:
-      {
-       XDestroyWindowEvent *xdwe = &xevent->xdestroywindow;
-
-       /* Note that we get destroy notifies both from SubstructureNotify on
-        * our window and StructureNotify on socket->plug_window
-        */
-       if (socket->plug_window && (xdwe->window == GDK_WINDOW_XWINDOW (socket->plug_window)))
-         {
-           gboolean result;
-           
-           GTK_NOTE(PLUGSOCKET,
-                    g_message ("GtkSocket - destroy notify"));
-           
-           gdk_window_destroy_notify (socket->plug_window);
-           gtk_socket_end_embedding (socket);
-
-           g_object_ref (widget);
-           g_signal_emit (widget, socket_signals[PLUG_REMOVED], 0, &result);
-           if (!result)
-             gtk_widget_destroy (widget);
-           g_object_unref (widget);
-           
-           return_val = GDK_FILTER_REMOVE;
-         }
-       break;
-      }
-
-    case FocusIn:
-      if (xevent->xfocus.mode == EMBEDDED_APP_WANTS_FOCUS)
-       {
-         gtk_socket_claim_focus (socket, TRUE);
-       }
-      return_val = GDK_FILTER_REMOVE;
-      break;
-    case FocusOut:
-      return_val = GDK_FILTER_REMOVE;
-      break;
-    case MapRequest:
-      if (!socket->plug_window)
-       gtk_socket_add_window (socket, xevent->xmaprequest.window, FALSE);
-       
-      if (socket->plug_window)
-       {
-         GTK_NOTE(PLUGSOCKET,
-                  g_message ("GtkSocket - Map Request"));
-
-         map_request (socket);
-         return_val = GDK_FILTER_REMOVE;
-       }
-      break;
-    case PropertyNotify:
-      if (socket->plug_window &&
-         xevent->xproperty.window == GDK_WINDOW_XWINDOW (socket->plug_window))
-       {
-         GdkDragProtocol protocol;
-
-         if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "WM_NORMAL_HINTS"))
-           {
-             socket->have_size = FALSE;
-             gtk_widget_queue_resize (widget);
-             return_val = GDK_FILTER_REMOVE;
-           }
-         else if ((xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "XdndAware")) ||
-             (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_MOTIF_DRAG_RECEIVER_INFO")))
-           {
-             gdk_error_trap_push ();
-             if (gdk_drag_get_protocol_for_display (display,
-                                                    xevent->xproperty.window,
-                                                    &protocol))
-               gtk_drag_dest_set_proxy (GTK_WIDGET (socket),
-                                        socket->plug_window,
-                                        protocol, TRUE);
-
-             gdk_display_sync (display);
-             gdk_error_trap_pop ();
-             return_val = GDK_FILTER_REMOVE;
-           }
-         else if (xevent->xproperty.atom == gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED_INFO"))
-           {
-             unsigned long flags;
-             
-             if (xembed_get_info (socket->plug_window, NULL, &flags))
-               {
-                 gboolean was_mapped = socket->is_mapped;
-                 gboolean is_mapped = (flags & XEMBED_MAPPED) != 0;
-
-                 if (was_mapped != is_mapped)
-                   {
-                     if (is_mapped)
-                       map_request (socket);
-                     else
-                       {
-                         gdk_error_trap_push ();
-                         gdk_window_show (socket->plug_window);
-                         gdk_flush ();
-                         gdk_error_trap_pop ();
-                         
-                         unmap_notify (socket);
-                       }
-                   }
-               }
-             return_val = GDK_FILTER_REMOVE;
-           }
-       }
-      break;
-    case ReparentNotify:
-      {
-       XReparentEvent *xre = &xevent->xreparent;
-
-       if (!socket->plug_window && xre->parent == GDK_WINDOW_XWINDOW (widget->window))
-         {
-           gtk_socket_add_window (socket, xre->window, FALSE);
-           
-           if (socket->plug_window)
-             {
-               GTK_NOTE(PLUGSOCKET,
-                        g_message ("GtkSocket - window reparented"));
-             }
-           
-           return_val = GDK_FILTER_REMOVE;
-         }
-       
-       break;
-      }
-    case UnmapNotify:
-      if (socket->plug_window &&
-         xevent->xunmap.window == GDK_WINDOW_XWINDOW (socket->plug_window))
-       {
-         GTK_NOTE(PLUGSOCKET,
-                  g_message ("GtkSocket - Unmap notify"));
-
-         unmap_notify (socket);
-         return_val = GDK_FILTER_REMOVE;
-       }
-      break;
-      
-    }
-  
-  return return_val;
-}
-
 #define __GTK_SOCKET_C__
 #include "gtkaliasdef.c"
diff --git a/gtk/gtksocketprivate.h b/gtk/gtksocketprivate.h
new file mode 100644 (file)
index 0000000..85852fb
--- /dev/null
@@ -0,0 +1,171 @@
+/* GTK - The GIMP Toolkit
+ * 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 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
+ * Lesser General Public License for more details.
+ *
+ * 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.
+ */
+
+/*
+ * 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/. 
+ */
+
+#ifndef __GTK_SOCKET_PRIVATE_H__
+#define __GTK_SOCKET_PRIVATE_H__
+
+typedef struct _GtkSocketPrivate GtkSocketPrivate;
+
+struct _GtkSocketPrivate
+{
+  gint resize_count;
+};
+
+/* In gtksocket.c: */
+GtkSocketPrivate *_gtk_socket_get_private (GtkSocket *socket);
+
+void _gtk_socket_add_grabbed_key  (GtkSocket        *socket,
+                                  guint             keyval,
+                                  GdkModifierType   modifiers);
+void _gtk_socket_remove_grabbed_key (GtkSocket      *socket,
+                                    guint           keyval,
+                                    GdkModifierType modifiers);
+void _gtk_socket_claim_focus     (GtkSocket        *socket,
+                                  gboolean          send_event);
+void _gtk_socket_add_window      (GtkSocket        *socket,
+                                  GdkNativeWindow   xid,
+                                  gboolean          need_reparent);
+void _gtk_socket_end_embedding    (GtkSocket        *socket);
+
+void _gtk_socket_handle_map_request     (GtkSocket        *socket);
+void _gtk_socket_unmap_notify           (GtkSocket        *socket);
+void _gtk_socket_advance_toplevel_focus (GtkSocket        *socket,
+                                        GtkDirectionType  direction);
+
+/* In backend-specific file: */
+
+/**
+ * _gtk_socket_windowing_get_id:
+ *
+ * @socket: a #GtkSocket
+ *
+ * Returns the native windowing system identifier for the plug's window.
+ */
+GdkNativeWindow _gtk_socket_windowing_get_id (GtkSocket *socket);
+
+/**
+ * _gtk_socket_windowing_realize_window:
+ *
+ */
+void _gtk_socket_windowing_realize_window (GtkSocket *socket);
+
+/**
+ * _gtk_socket_windowing_end_embedding_toplevel:
+ *
+ */
+void _gtk_socket_windowing_end_embedding_toplevel (GtkSocket *socket);
+
+/**
+ * _gtk_socket_windowing_size_request:
+ *
+ */
+void _gtk_socket_windowing_size_request (GtkSocket *socket);
+
+/**
+ * _gtk_socket_windowing_send_key_event:
+ *
+ */
+void _gtk_socket_windowing_send_key_event (GtkSocket *socket,
+                                          GdkEvent  *gdk_event,
+                                          gboolean   mask_key_presses);
+
+/**
+ * _gtk_socket_windowing_focus_change:
+ *
+ */
+void _gtk_socket_windowing_focus_change (GtkSocket *socket,
+                                        gboolean   focus_in);
+
+/**
+ * _gtk_socket_windowing_update_active:
+ *
+ */
+void _gtk_socket_windowing_update_active (GtkSocket *socket,
+                                         gboolean   active);
+
+/**
+ * _gtk_socket_windowing_update_modality:
+ *
+ */
+void _gtk_socket_windowing_update_modality (GtkSocket *socket,
+                                           gboolean   modality);
+
+/**
+ * _gtk_socket_windowing_focus:
+ *
+ */
+void _gtk_socket_windowing_focus (GtkSocket *socket,
+                                 GtkDirectionType direction);
+
+/**
+ * _gtk_socket_windowing_send_configure_event:
+ *
+ */
+void _gtk_socket_windowing_send_configure_event (GtkSocket *socket);
+
+/**
+ * _gtk_socket_windowing_select_plug_window_input:
+ *
+ * Asks the windowing system to send necessary events related to the
+ * plug window to the socket window. Called only for out-of-process
+ * embedding.
+ */
+void _gtk_socket_windowing_select_plug_window_input (GtkSocket *socket);
+
+/**
+ * _gtk_socket_windowing_embed_get_info:
+ *
+ * Gets whatever information necessary about an out-of-process plug
+ * window.
+ */
+void _gtk_socket_windowing_embed_get_info (GtkSocket *socket);
+
+/**
+ * _gtk_socket_windowing_embed_notify:
+ *
+ */
+void _gtk_socket_windowing_embed_notify (GtkSocket *socket);
+
+/**
+ * _gtk_socket_windowing_embed_get_focus_wrapped:
+ *
+ */
+gboolean _gtk_socket_windowing_embed_get_focus_wrapped (void);
+
+/**
+ * _gtk_socket_windowing_embed_set_focus_wrapped:
+ *
+ */
+void _gtk_socket_windowing_embed_set_focus_wrapped (void);
+
+/**
+ * _gtk_socket_windowing_filter_func:
+ *
+ */
+GdkFilterReturn _gtk_socket_windowing_filter_func (GdkXEvent *gdk_xevent,
+                                                  GdkEvent  *event,
+                                                  gpointer   data);
+
+#endif /* __GTK_SOCKET_PRIVATE_H__ */