/**
 * Stone of Orthanc
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017 Osimis, Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License
 * as published by the Free Software Foundation, either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 **/


#pragma once

#include "IWidget.h"

namespace OrthancStone
{
  namespace Samples
  {
    /**
     * This is a test widget that simply fills its surface with an
     * uniform color.
     **/
    class EmptyWidget : public IWidget
    {
    private:
      uint8_t  red_;
      uint8_t  green_;
      uint8_t  blue_;

    public:
      EmptyWidget(uint8_t red,
                  uint8_t green,
                  uint8_t blue) :
        red_(red),
        green_(green),
        blue_(blue)
      {
      }

      virtual void SetDefaultView()
      {
      }
  
      virtual void SetParent(OrthancStone::IWidget& widget)
      {
      }
    
      virtual void SetViewport(IViewport& viewport)
      {
      }

      virtual void NotifyChange()
      {
      }

      virtual void SetStatusBar(IStatusBar& statusBar)
      {
      }

      virtual void SetSize(unsigned int width, 
                           unsigned int height)
      {
      }
 
      virtual bool Render(Orthanc::ImageAccessor& surface);

      virtual IMouseTracker* CreateMouseTracker(MouseButton button,
                                                int x,
                                                int y,
                                                KeyboardModifiers modifiers)
      {
        return NULL;
      }

      virtual void RenderMouseOver(Orthanc::ImageAccessor& target,
                                   int x,
                                   int y)
      {
      }

      virtual void MouseWheel(MouseWheelDirection direction,
                              int x,
                              int y,
                              KeyboardModifiers modifiers)
      {
      }

      virtual void KeyPressed(char key,
                              KeyboardModifiers modifiers)
      {
      }

      virtual bool HasUpdateContent() const
      {
        return false;
      }

      virtual void UpdateContent();

      virtual bool HasRenderMouseOver()
      {
        return false;
      }

      virtual void Start()
      {
      }
    };
  }
}