Adding focus to NaviteViewHost.

views/controls/native/native_view_host_gtk.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef VIEWS_CONTROLS_NATIVE_HOST_VIEW_GTK_H_
 #define VIEWS_CONTROLS_NATIVE_HOST_VIEW_GTK_H_
 
 #include <gtk/gtk.h>
 #include <string>
 
@@ skipping 18 matching lines @@
   // Overridden from NativeViewHostWrapper:
   virtual void NativeViewAttached();
   virtual void NativeViewDetaching();
   virtual void AddedToWidget();
   virtual void RemovedFromWidget();
   virtual void InstallClip(int x, int y, int w, int h);
   virtual bool HasInstalledClip();
   virtual void UninstallClip();
   virtual void ShowWidget(int x, int y, int w, int h);
   virtual void HideWidget();
-  virtual void SetFocus();
 
  private:
   // Create and Destroy the GtkFixed that performs clipping on our hosted
   // GtkWidget. |needs_window| is true when a clip is installed and implies the
   // fixed is backed by a X Window which actually performs the clipping.
   // It's kind of retarded that Gtk/Cairo doesn't clip painting of child windows
   // regardless of whether or not there's an X Window. It's not that hard.
   void CreateFixed(bool needs_window);
 
   // Destroys the GtkFixed that performs clipping on our hosted GtkWidget.
   void DestroyFixed();
 
   WidgetGtk* GetHostWidget() const;
 
   // Invoked from the 'destroy' signal.
   static void CallDestroy(GtkObject* object, NativeViewHostGtk* host);
 
   // Invoked from the 'focus-in-event' signal.
-  static void CallFocusIn(GtkWidget* widget,
-                          GdkEventFocus* event,
-                          NativeViewHostGtk* button);
+  static gboolean CallFocusIn(GtkWidget* widget,
+                              GdkEventFocus* event,
+                              NativeViewHostGtk* button);
 
   // Our associated NativeViewHost.
   NativeViewHost* host_;
 
   // Have we installed a region on the gfx::NativeView used to clip to only the
   // visible portion of the gfx::NativeView ?
   bool installed_clip_;
 
   // The installed clip rect. InstallClip doesn't actually perform the clipping,
   // a call to ShowWidget will.
   gfx::Rect installed_clip_bounds_;
 
   // Signal handle id for 'destroy' signal.
   gulong destroy_signal_id_;
 
   // Signal handle id for 'focus-in-event' signal.
   gulong focus_signal_id_;
 
   // The GtkFixed that contains the attached gfx::NativeView (used for
   // clipping).
   GtkWidget* fixed_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeViewHostGtk);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_NATIVE_HOST_VIEW_GTK_H_
-