New InputMethod api for Views.

views/widget/widget.h

 // Copyright (c) 2011 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_H_
 #define VIEWS_WIDGET_WIDGET_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 73 matching lines @@
   Widget();
   virtual ~Widget();
 
   // Creates a Widget instance suitable for use as a transient popup.
   static Widget* CreatePopupWidget(const CreateParams& params);
 
   // Enumerates all windows pertaining to us and notifies their
   // view hierarchies that the locale has changed.
   static void NotifyLocaleChanged();
 
+  // Converts a rectangle from one Widget's coordinate system to another's.
+  // Returns false if the conversion couldn't be made, because either these two
+  // Widgets do not have a common ancestor or they are not on the screen yet.
+  // The value of |*rect| won't be changed when false is returned.
+  static bool ConvertRect(const Widget* from,

[Ben Goodger (Google), 2011/03/22 20:45:14]

source/target

[James Su, 2011/03/22 23:08:47]

Done.

+                          const Widget* to,
+                          gfx::Rect* rect);
+
   // Unconverted methods -------------------------------------------------------
 
   // TODO(beng):
   // Widget subclasses are still implementing these methods by overriding from
   // here rather than by implementing NativeWidget.
 
   // Initialize the Widget with a parent and an initial desired size.
   // |contents_view| is the view that will be the single child of RootView
   // within this Widget. As contents_view is inserted into RootView's tree,
   // RootView assumes ownership of this view and cleaning it up. If you remove
@@ skipping 149 matching lines @@
   // occurred on |view|, such as when the view is focused or when its
   // value changes. Pass true for |send_native_event| except for rare
   // cases where the view is a native control that's already sending a
   // native accessibility event and the duplicate event would cause
   // problems.
   virtual void NotifyAccessibilityEvent(
       View* view,
       ui::AccessibilityTypes::Event event_type,
       bool send_native_event) = 0;
 
-  NativeWidget* native_widget() { return native_widget_; }
+  NativeWidget* native_widget() const { return native_widget_; }

[Ben Goodger (Google), 2011/03/22 20:45:14]

This method is deliberately non-const.

If you need const, add a 

const NativeWidget* native_widget() const { .. }

[James Su, 2011/03/22 23:08:47]

This change is not necessary anymore.

 
   // Overridden from NativeWidgetDelegate:
   virtual void OnNativeFocus(gfx::NativeView focused_view) OVERRIDE;
   virtual void OnNativeBlur(gfx::NativeView focused_view) OVERRIDE;
   virtual void OnNativeWidgetCreated() OVERRIDE;
   virtual void OnSizeChanged(const gfx::Size& new_size) OVERRIDE;
   virtual bool HasFocusManager() const OVERRIDE;
   virtual void OnNativeWidgetPaint(gfx::Canvas* canvas) OVERRIDE;
 
   // Overridden from FocusTraversable:
@@ skipping 56 matching lines @@
 
   // The compositor for accelerated drawing.
   scoped_refptr<ui::Compositor> compositor_;
 
   DISALLOW_COPY_AND_ASSIGN(Widget);
 };
 
 }  // namespace views
 
 #endif // VIEWS_WIDGET_WIDGET_H_