Adding Mouse Support for new GTK Autofill

chrome/browser/ui/gtk/autofill/autofill_popup_view_gtk.h

 // Copyright (c) 2012 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 CHROME_BROWSER_UI_GTK_AUTOFILL_AUTOFILL_POPUP_VIEW_GTK_H_
 #define CHROME_BROWSER_UI_GTK_AUTOFILL_AUTOFILL_POPUP_VIEW_GTK_H_
 #pragma once
 
 #include <pango/pango.h>
 
 #include "chrome/browser/autofill/autofill_popup_view.h"
 #include "ui/base/glib/glib_integers.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/gfx/font.h"
 
 namespace gfx {
 class Rect;
 }
 
+typedef struct _GdkEventButton GdkEventButton;
 typedef struct _GdkEventExpose GdkEventExpose;
+typedef struct _GdkEventMotion GdkEventMotion;
 typedef struct _GdkColor GdkColor;
 typedef struct _GtkWidget GtkWidget;
 
 class AutofillPopupViewGtk : public AutofillPopupView {
  public:
-  AutofillPopupViewGtk(content::WebContents* web_contents, GtkWidget* parent);
+  AutofillPopupViewGtk(content::WebContents* web_contents,
+                       AutofillExternalDelegate* external_delegate,
+                       GtkWidget* parent);
   virtual ~AutofillPopupViewGtk();
 
+ protected:
   // AutofillPopupView implementations.
-  virtual void Hide() OVERRIDE;
   virtual void ShowInternal() OVERRIDE;
+  virtual void HideInternal() OVERRIDE;
+  virtual void InvalidateRow(size_t row) OVERRIDE;
 
  private:
+  CHROMEGTK_CALLBACK_1(AutofillPopupViewGtk, gboolean, HandleButtonRelease,
+                       GdkEventButton*);
   CHROMEGTK_CALLBACK_1(AutofillPopupViewGtk, gboolean, HandleExpose,
                        GdkEventExpose*);
+  CHROMEGTK_CALLBACK_1(AutofillPopupViewGtk, gboolean, HandleMotion,
+                       GdkEventMotion*);
 
   // Setup the pango layout to display the autofill results.
   void SetupLayout(const gfx::Rect& window_rect, const GdkColor& text_color);
 
+  // Convert a y-coordinate to the closest line.
+  int LineFromY(int y);
+
   GtkWidget* parent_;  // Weak reference.
   GtkWidget* window_;  // Strong reference.
   PangoLayout* layout_;  // Strong reference
   gfx::Font font_;
 
   // The height of each individual Autofill popup row.
   int row_height_;
+
+  // The size of the popup.
+  gfx::Rect bounds_;
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_AUTOFILL_AUTOFILL_POPUP_VIEW_GTK_H_