Fixing focus problems with the combobox

views/controls/native_control.h

 // Copyright (c) 2006-2008 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_CONTROL_H_
 #define VIEWS_CONTROLS_NATIVE_CONTROL_H_
 
 #include <windows.h>
 
 #include "views/view.h"
@@ skipping 63 matching lines @@
   void NativeControlDestroyed();
 
   // Overridden so that the control properly reflects parent's visibility.
   virtual void VisibilityChanged(View* starting_from, bool is_visible);
 
   // Controls that have fixed sizes should call these methods to specify the
   // actual size and how they should be aligned within their parent.
   void SetFixedWidth(int width, Alignment alignment);
   void SetFixedHeight(int height, Alignment alignment);
 
-  // Derived classes interested in receiving key down notification should
-  // override this method and return true.  In which case OnKeyDown is called
-  // when a key down message is sent to the control.
-  // Note that this method is called at the time of the control creation: the
-  // behavior will not change if the returned value changes after the control
-  // has been created.
-  virtual bool NotifyOnKeyDown() const { return false; }
-
-  // Invoked when a key is pressed on the control (if NotifyOnKeyDown returns
-  // true).  Should return true if the key message was processed, false
-  // otherwise.
+  // Invoked when a key is pressed on the control.
+  // Should return true if the key message was processed, false otherwise.
   virtual bool OnKeyDown(int virtual_key_code) { return false; }
 
   // Returns additional extended style flags. When subclasses call
   // CreateWindowEx in order to create the underlying control, they must OR the
   // ExStyle parameter with the value returned by this function.
   //
   // We currently use this method in order to add flags such as WS_EX_LAYOUTRTL
   // to the HWND for views with right-to-left UI layout.
   DWORD GetAdditionalExStyle() const;
 
@@ skipping 22 matching lines @@
                                                WPARAM w_param, LPARAM l_param);
 
   NativeControlContainer* container_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeControl);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_NATIVE_CONTROL_H_