text: //////////////////////////////////////////////////////////////////////////////
  //
  // Copyright (c) 2007-2017 musikcube team
  //
  // All rights reserved.
  //
  // Redistribution and use in source and binary forms, with or without
  // modification, are permitted provided that the following conditions are met:
  //
  //    * Redistributions of source code must retain the above copyright notice,
  //      this list of conditions and the following disclaimer.
  //
  //    * Redistributions in binary form must reproduce the above copyright
  //      notice, this list of conditions and the following disclaimer in the
  //      documentation and/or other materials provided with the distribution.
  //
  //    * Neither the name of the author nor the names of other contributors may
  //      be used to endorse or promote products derived from this software
  //      without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  // POSSIBILITY OF SUCH DAMAGE.
  //
  //////////////////////////////////////////////////////////////////////////////
  
  #pragma once
  
  #include <stdafx.h>
  #include "curses_config.h"
  
  namespace cursespp {
      class IWindow;
  
      class IMouseHandler {
          public:
              struct Event {
                  Event(const Event& original, int childX, int childY);
                  Event(const Event& original, IWindow* parent = nullptr);
                  Event(const MEVENT& original, IWindow* parent = nullptr);
  
                  bool Button1Clicked() const { return state & BUTTON1_CLICKED; }
                  bool Button2Clicked() const { return state & BUTTON2_CLICKED; }
                  bool Button3Clicked() const { return state & BUTTON3_CLICKED; }
  
                  bool Button1DoubleClicked() const { return state & BUTTON1_DOUBLE_CLICKED; }
                  bool Button2DoubleClicked() const { return state & BUTTON2_DOUBLE_CLICKED; }
                  bool Button3DoubleClicked() const { return state & BUTTON3_DOUBLE_CLICKED; }
  
  #ifdef WIN32
                  bool MouseWheelUp() const { return MOUSE_WHEEL_UP; }
                  bool MouseWheelDown() const { return MOUSE_WHEEL_DOWN; }
  #else
                  bool MouseWheelUp() const { return false; }
                  bool MouseWheelDown() const { return false; }
  #endif
  
                  int x, y;
                  mmask_t state;
              };
  
              virtual ~IMouseHandler() { }
              virtual bool MouseEvent(const Event& mouseEvent) = 0;
      };
  }
  