Fleshes out the tooltip implementation for views on Gtk. It doesn't...

views/widget/widget_gtk.h

 // Copyright (c) 2009 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_
 
 #include <gtk/gtk.h>
 
 #include "base/message_loop.h"
@@ skipping 137 matching lines @@
                                 guint time);
   virtual gboolean OnEnterNotify(GtkWidget* widget, GdkEventCrossing* event);
   virtual gboolean OnLeaveNotify(GtkWidget* widget, GdkEventCrossing* event);
   virtual gboolean OnMotionNotify(GtkWidget* widget, GdkEventMotion* event);
   virtual gboolean OnButtonPress(GtkWidget* widget, GdkEventButton* event);
   virtual gboolean OnButtonRelease(GtkWidget* widget, GdkEventButton* event);
   virtual gboolean OnFocusIn(GtkWidget* widget, GdkEventFocus* event);
   virtual gboolean OnFocusOut(GtkWidget* widget, GdkEventFocus* event);
   virtual gboolean OnKeyPress(GtkWidget* widget, GdkEventKey* event);
   virtual gboolean OnKeyRelease(GtkWidget* widget, GdkEventKey* event);
+  virtual gboolean OnQueryTooltip(gint x,
+                                  gint y,
+                                  gboolean keyboard_mode,
+                                  GtkTooltip* tooltip);
   virtual gboolean OnScroll(GtkWidget* widget, GdkEventScroll* event) {
     return false;
   }
   virtual gboolean OnVisibilityNotify(GtkWidget* widget,
                                       GdkEventVisibility* event) {
     return false;
   }
   virtual gboolean OnGrabBrokeEvent(GtkWidget* widget, GdkEvent* event);
   virtual void OnGrabNotify(GtkWidget* widget, gboolean was_grabbed);
   virtual void OnDestroy();
@@ skipping 83 matching lines @@
                                  WidgetGtk* host);
   static gboolean CallEnterNotify(GtkWidget* widget, GdkEventCrossing* event);
   static gboolean CallLeaveNotify(GtkWidget* widget, GdkEventCrossing* event);
   static gboolean CallMotionNotify(GtkWidget* widget, GdkEventMotion* event);
   static gboolean CallButtonPress(GtkWidget* widget, GdkEventButton* event);
   static gboolean CallButtonRelease(GtkWidget* widget, GdkEventButton* event);
   static gboolean CallFocusIn(GtkWidget* widget, GdkEventFocus* event);
   static gboolean CallFocusOut(GtkWidget* widget, GdkEventFocus* event);
   static gboolean CallKeyPress(GtkWidget* widget, GdkEventKey* event);
   static gboolean CallKeyRelease(GtkWidget* widget, GdkEventKey* event);
+  static gboolean CallQueryTooltip(GtkWidget* widget,
+                                   gint x,
+                                   gint y,
+                                   gboolean keyboard_mode,
+                                   GtkTooltip* tooltip,
+                                   WidgetGtk* host);
   static gboolean CallScroll(GtkWidget* widget, GdkEventScroll* event);
   static gboolean CallVisibilityNotify(GtkWidget* widget,
                                        GdkEventVisibility* event);
   static gboolean CallGrabBrokeEvent(GtkWidget* widget, GdkEvent* event);
   static void CallGrabNotify(GtkWidget* widget, gboolean was_grabbed);
   static void CallDestroy(GtkObject* object);
 
   // Returns the first ancestor of |widget| that is a window.
   static Window* GetWindowImpl(GtkWidget* widget);
 
@@ skipping 75 matching lines @@
   // This is non-null during the life of DoDrag and contains the actual data
   // for the drag.
   const OSExchangeDataProviderGtk* drag_data_;
 
   DISALLOW_COPY_AND_ASSIGN(WidgetGtk);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_WIDGET_WIDGET_GTK_H_