Implementing accelerators for Linux toolkit_views

views/focus/accelerator_handler.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_WIDGET_ACCELERATOR_HANDLER_H_
-#define VIEWS_WIDGET_ACCELERATOR_HANDLER_H_
+#ifndef VIEWS_FOCUS_ACCELERATOR_HANDLER_H_
+#define VIEWS_FOCUS_ACCELERATOR_HANDLER_H_
+
+#if defined(OS_LINUX)
+#include <gdk/gdk.h>
+#endif
 
 #include "base/message_loop.h"
 
 namespace views {
 
-// This class delegates WM_KEYDOWN and WM_SYSKEYDOWN messages to
-// the associated FocusManager class for the window that is receiving
-// these messages for accelerator processing. The BrowserProcess object
-// holds a singleton instance of this class which can be used by other
-// custom message loop dispatcher objects to implement default accelerator
-// handling.
+// This class delegates the key messages to the associated FocusManager class
+// for the window that is receiving these messages for accelerator processing.
 class AcceleratorHandler : public MessageLoopForUI::Dispatcher {
  public:
    AcceleratorHandler();
-  // Dispatcher method. This returns true if an accelerator was
-  // processed by the focus manager
+  // Dispatcher method. This returns true if an accelerator was processed by the
+  // focus manager
+#if defined(OS_WIN)
   virtual bool Dispatch(const MSG& msg);
+#else
+  virtual bool Dispatch(GdkEvent* event);
+#endif
+
  private:
-  DISALLOW_EVIL_CONSTRUCTORS(AcceleratorHandler);
+#if defined(OS_LINUX)
+  // Last key pressed and consumed as an accelerator.
+  guint last_key_pressed_;
+#endif
+
+  DISALLOW_COPY_AND_ASSIGN(AcceleratorHandler);
 };
 
 }  // namespace views
 
-#endif  // VIEWS_WIDGET_ACCELERATOR_HANDLER_H_
+#endif  // VIEWS_FOCUS_ACCELERATOR_HANDLER_H_