Attempt at once-and-for-all fix for bug #2993 (Windows)

views/widget/widget_win.h

 // Copyright (c) 2006-2008 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_WIN_H_
 #define VIEWS_WIDGET_WIDGET_WIN_H_
 
 #include <atlbase.h>
 #include <atlapp.h>
 #include <atlcrack.h>
@@ skipping 486 matching lines @@
   // the event in the View system.
   bool ProcessMousePressed(const CPoint& point,
                            UINT flags,
                            bool dbl_click,
                            bool non_client);
   void ProcessMouseDragged(const CPoint& point, UINT flags);
   void ProcessMouseReleased(const CPoint& point, UINT flags);
   void ProcessMouseMoved(const CPoint& point, UINT flags, bool is_nonclient);
   void ProcessMouseExited();
 
+  // Check for out-of-order mouse button releases
+  void CheckOutOfOrderMouseButtonRelease(int code);
+
   // Handles re-laying out content in response to a window size change.
   virtual void ChangeSize(UINT size_param, const CSize& size);
 
   // Returns whether capture should be released on mouse release. The default
   // is true.
   virtual bool ReleaseCaptureOnMouseReleased() { return true; }
 
   // Creates the RootView to be used within this Widget. Can be overridden to
   // create specialized RootView implementations.
   virtual RootView* CreateRootView();
@@ skipping 114 matching lines @@
   // deliver them. Displaying a window may result in the system generating
   // duplicate move events even though the mouse hasn't moved.
 
   // If true, the last event was a mouse move event.
   bool last_mouse_event_was_move_;
 
   // Coordinates of the last mouse move event, in screen coordinates.
   int last_mouse_move_x_;
   int last_mouse_move_y_;
 
+  // Store whether the left and right mouse buttons are swapped in the Windows
+  // settings, and which virtual key code (VK_...) belongs to which button.
+  bool mouse_buttons_are_swapped_;
+  int left_button_code_;
+  int right_button_code_;
+
+  // keep track which buttons are currently pressed
+  int buttons_pressed_;
+
+  // Did we process a release button event out of order? (see ProcessMouseMoved)
+  int released_buttons_out_of_order_;
+
   // Instance of accessibility information and handling for MSAA root
   CComPtr<IAccessible> accessibility_root_;
 
   scoped_ptr<DefaultThemeProvider> default_theme_provider_;
 
   // Our hwnd.
   HWND hwnd_;
 };
 
 }  // namespace views
 
 #endif  // #ifndef VIEWS_WIDGET_WIDGET_WIN_H_