Support IMM32 reconversion on Windows

content/browser/renderer_host/render_widget_host_view_win.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 CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_
 #pragma once
 
 #include <atlbase.h>
 #include <atlapp.h>
@@ skipping 86 matching lines @@
     MSG_WM_KILLFOCUS(OnKillFocus)
     MSG_WM_CAPTURECHANGED(OnCaptureChanged)
     MSG_WM_CANCELMODE(OnCancelMode)
     MSG_WM_INPUTLANGCHANGE(OnInputLangChange)
     MSG_WM_THEMECHANGED(OnThemeChanged)
     MSG_WM_NOTIFY(OnNotify)
     MESSAGE_HANDLER(WM_IME_SETCONTEXT, OnImeSetContext)
     MESSAGE_HANDLER(WM_IME_STARTCOMPOSITION, OnImeStartComposition)
     MESSAGE_HANDLER(WM_IME_COMPOSITION, OnImeComposition)
     MESSAGE_HANDLER(WM_IME_ENDCOMPOSITION, OnImeEndComposition)
+    MESSAGE_HANDLER(WM_IME_REQUEST, OnImeRequest)
     MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseEvent)
     MESSAGE_HANDLER(WM_MOUSELEAVE, OnMouseEvent)
     MESSAGE_HANDLER(WM_LBUTTONDOWN, OnMouseEvent)
     MESSAGE_HANDLER(WM_MBUTTONDOWN, OnMouseEvent)
     MESSAGE_HANDLER(WM_RBUTTONDOWN, OnMouseEvent)
     MESSAGE_HANDLER(WM_LBUTTONUP, OnMouseEvent)
     MESSAGE_HANDLER(WM_MBUTTONUP, OnMouseEvent)
     MESSAGE_HANDLER(WM_RBUTTONUP, OnMouseEvent)
     MESSAGE_HANDLER(WM_LBUTTONDBLCLK, OnMouseEvent)
     MESSAGE_HANDLER(WM_MBUTTONDBLCLK, OnMouseEvent)
@@ skipping 32 matching lines @@
   virtual void Blur() OVERRIDE;
   virtual bool HasFocus() OVERRIDE;
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;
   virtual bool IsShowing() OVERRIDE;
   virtual gfx::Rect GetViewBounds() const OVERRIDE;
   virtual void UpdateCursor(const WebCursor& cursor) OVERRIDE;
   virtual void SetIsLoading(bool is_loading) OVERRIDE;
   virtual void TextInputStateChanged(ui::TextInputType type,
                                      bool can_compose_inline) OVERRIDE;
+  virtual void SelectionChanged(const string16& text,
+                                size_t offset,
+                                const ui::Range& range) OVERRIDE;
   virtual void SelectionBoundsChanged(const gfx::Rect& start_rect,
                                       const gfx::Rect& end_rect) OVERRIDE;
   virtual void ImeCancelComposition() OVERRIDE;
+  virtual void ImeCompositionRangeChanged(const ui::Range& range) OVERRIDE;
   virtual void DidUpdateBackingStore(
       const gfx::Rect& scroll_rect, int scroll_dx, int scroll_dy,
       const std::vector<gfx::Rect>& copy_rects) OVERRIDE;
   virtual void RenderViewGone(base::TerminationStatus status,
                               int error_code) OVERRIDE;
   // called by TabContents before DestroyWindow
   virtual void WillWmDestroy() OVERRIDE;
   virtual void Destroy() OVERRIDE;
   virtual void SetTooltipText(const string16& tooltip_text) OVERRIDE;
   virtual BackingStore* AllocBackingStore(const gfx::Size& size) OVERRIDE;
@@ skipping 40 matching lines @@
   void OnThemeChanged();
   LRESULT OnNotify(int w_param, NMHDR* header);
   LRESULT OnImeSetContext(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
   LRESULT OnImeStartComposition(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
   LRESULT OnImeComposition(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
   LRESULT OnImeEndComposition(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
+  LRESULT OnImeRequest(
+      UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
   LRESULT OnMouseEvent(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
   LRESULT OnKeyEvent(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
   LRESULT OnWheelEvent(
       UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
   LRESULT OnMouseActivate(UINT message,
                           WPARAM wparam,
                           LPARAM lparam,
                           BOOL& handled);
@@ skipping 61 matching lines @@
   // Do initialization needed by both InitAsPopup() and InitAsFullscreen().
   void DoPopupOrFullscreenInit(HWND parent_hwnd,
                                const gfx::Rect& pos,
                                DWORD ex_style);
 
   CPoint GetClientCenter() const;
   void MoveCursorToCenter() const;
 
   void HandleLockedMouseEvent(UINT message, WPARAM wparam, LPARAM lparam);
 
+  LRESULT OnDocumentFeed(RECONVERTSTRING *reconv);

[jam, 2011/10/25 00:32:13]

nit: RECONVERTSTRING* reconv and below

[Peng, 2011/10/25 15:51:39]

Done.

+  LRESULT OnReconvertString(RECONVERTSTRING *reconv);
+
   // The associated Model.  While |this| is being Destroyed,
   // |render_widget_host_| is NULL and the Windows message loop is run one last
   // time. Message handlers must check for a NULL |render_widget_host_|.
   RenderWidgetHost* render_widget_host_;
 
   // When we are doing accelerated compositing
   HWND compositor_host_window_;
 
   // true if the compositor host window must be hidden after the
   // software renderered view is updated.
@@ skipping 87 matching lines @@
   // lock was entered.
   // Relative to the upper-left corner of the view.
   gfx::Point last_mouse_position_;
   // Relative to the upper-left corner of the screen.
   gfx::Point last_global_mouse_position_;
 
   // In the case of the mouse being moved away from the view and then moved
   // back, we regard the mouse movement as (0, 0).
   bool ignore_mouse_movement_;
 
+  // Stores current selection for IME reconversion.
+  string16 selection_text_;
+  size_t selection_text_offset_;
+  ui::Range selection_range_;
+  ui::Range composition_range_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewWin);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_