Implementing accelerators for Linux toolkit_views

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 81 matching lines @@
   virtual Widget* GetRootWidget() const;
   virtual bool IsVisible() const;
   virtual bool IsActive() const;
   virtual void GenerateMousePressedForView(View* view,
                                            const gfx::Point& point);
   virtual TooltipManager* GetTooltipManager();
   virtual bool GetAccelerator(int cmd_id, Accelerator* accelerator);
   virtual Window* GetWindow();
   virtual const Window* GetWindow() const;
   virtual ThemeProvider* GetThemeProvider() const;
+  virtual FocusManager* GetFocusManager();
 
   // MessageLoopForUI::Observer.
-  virtual void WillProcessEvent(GdkEvent* event) {}
+  virtual void WillProcessEvent(GdkEvent* event);
   virtual void DidProcessEvent(GdkEvent* event);
 
+  // Retrieves the WindowGtk associated with |widget|.
+  static WindowGtk* GetWindowForNative(GtkWidget* widget);
+
  protected:
   virtual void OnSizeAllocate(GtkWidget* widget, GtkAllocation* allocation);
   virtual void OnPaint(GtkWidget* widget, GdkEventExpose* event);
   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) {
     return false;
@@ skipping 11 matching lines @@
     return false;
   }
   virtual gboolean OnGrabBrokeEvent(GtkWidget* widget, GdkEvent* event);
   virtual void OnGrabNotify(GtkWidget* widget, gboolean was_grabbed);
   virtual void OnDestroy();
 
   // Returns whether capture should be released on mouse release. The default
   // is true.
   virtual bool ReleaseCaptureOnMouseReleased() { return true; }
 
-  // Sets and retrieves the WidgetGtk in the userdata section of the widget.
-  static WindowGtk* GetWindowForNative(GtkWidget* widget);
+  // Sets the WindowGtk in the userdata section of the widget.
   static void SetWindowForNative(GtkWidget* widget, WindowGtk* window);
 
   // Are we a subclass of WindowGtk?
   bool is_window_;
 
  private:
   virtual RootView* CreateRootView();
 
   void OnWindowPaint(GtkWidget* widget, GdkEventExpose* event);
 
@@ skipping 58 matching lines @@
   // Child GtkWidgets created with no parent need to be parented to a valid top
   // level window otherwise Gtk throws a fit. |null_parent_| is an invisible
   // popup that such GtkWidgets are parented to.
   static GtkWidget* null_parent_;
 
   // The TooltipManager.
   // WARNING: RootView's destructor calls into the TooltipManager. As such, this
   // must be destroyed AFTER root_view_.
   scoped_ptr<TooltipManagerGtk> tooltip_manager_;
 
+  // The focus manager keeping track of focus for this Widget and any of its
+  // children.  NULL for non top-level widgets.
+  // WARNING: RootView's destructor calls into the FocusManager. As such, this
+  // must be destroyed AFTER root_view_.
+  scoped_ptr<FocusManager> focus_manager_;
+
   // The root of the View hierarchy attached to this window.
   scoped_ptr<RootView> root_view_;
 
   // If true, the mouse is currently down.
   bool is_mouse_down_;
 
   // Have we done a mouse grab?
   bool has_capture_;
 
   // The following are used to detect duplicate mouse move events and not
@@ skipping 17 matching lines @@
   bool transparent_;
 
   scoped_ptr<DefaultThemeProvider> default_theme_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(WidgetGtk);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_WIDGET_WIDGET_GTK_H_