[Linux Views] Refactor accelerator handler related code.

views/widget/widget_gtk.h

 // Copyright (c) 2010 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_WIDGET_WIDGET_GTK_H_
 #define VIEWS_WIDGET_WIDGET_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
@@ skipping 180 matching lines @@
   virtual bool ContainsNativeView(gfx::NativeView native_view);
 
   // Overridden from FocusTraversable:
   virtual FocusSearch* GetFocusSearch();
   virtual FocusTraversable* GetFocusTraversableParent();
   virtual View* GetFocusTraversableParentView();
 
   // Clears the focus on the native widget having the focus.
   virtual void ClearNativeFocus();
 
+  // Handles a keyboard event by sending it to our focus manager.
+  // Returns true if it's handled by the focus manager.
+  bool HandleKeyboardEvent(GdkEventKey* event);
+
  protected:
   // If widget containes another widget, translates event coordinates to the
   // contained widget's coordinates, else returns original event coordinates.
   template<class Event> bool GetContainedWidgetEventCoordinates(Event* event,
                                                                 int* x,
                                                                 int* y) {
     if (event == NULL || x == NULL || y == NULL)
       return false;
     *x = event->x;
     *y = event->y;
@@ skipping 29 matching lines @@
   CHROMEGTK_CALLBACK_2(WidgetGtk, void, OnDragLeave,
                        GdkDragContext*, guint);
   CHROMEGTK_CALLBACK_4(WidgetGtk, gboolean, OnDragMotion,
                        GdkDragContext*, gint, gint, guint);
   CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnEnterNotify, GdkEventCrossing*);
   CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnLeaveNotify, GdkEventCrossing*);
   CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnMotionNotify, GdkEventMotion*);
   CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnButtonRelease, GdkEventButton*);
   CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnFocusIn, GdkEventFocus*);
   CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnFocusOut, GdkEventFocus*);
-  CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnKeyPress, GdkEventKey*);
-  CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnKeyRelease, GdkEventKey*);
+  CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnKeyEvent, GdkEventKey*);
   CHROMEGTK_CALLBACK_4(WidgetGtk, gboolean, OnQueryTooltip,
                        gint, gint, gboolean, GtkTooltip*);
   CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnScroll, GdkEventScroll*);
   CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnVisibilityNotify,
                        GdkEventVisibility*);
   CHROMEGTK_CALLBACK_1(WidgetGtk, gboolean, OnGrabBrokeEvent, GdkEvent*);
   CHROMEGTK_CALLBACK_1(WidgetGtk, void, OnGrabNotify, gboolean);
   CHROMEGTK_CALLBACK_0(WidgetGtk, void, OnDestroy);
   CHROMEGTK_CALLBACK_0(WidgetGtk, void, OnShow);
   CHROMEGTK_CALLBACK_0(WidgetGtk, void, OnHide);
@@ skipping 167 matching lines @@
   WidgetDelegate* delegate_;
 
   // If true, the window stays on top of the screen. This is only used
   // for types other than TYPE_CHILD.
   bool always_on_top_;
 
   // If true, we enable the content widget's double buffering.
   // This is false by default.
   bool is_double_buffered_;
 
+  // Indicates if we should handle the upcoming Alt key release event.
+  bool should_handle_menu_key_release_;
+
   DISALLOW_COPY_AND_ASSIGN(WidgetGtk);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_WIDGET_WIDGET_GTK_H_