src/gui/button.cpp

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/******************************************************************************
 *  Wormux is a convivial mass murder game.
 *  Copyright (C) 2001-2004 Lawrence Azzoug.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 ******************************************************************************
 * Simple button
 *****************************************************************************/

#include "button.h"
#include "../tool/resource_manager.h"
#include "../graphic/sprite.h"
#include "../include/app.h"

Button::Button (const Rectanglei &rect, const Profile *res_profile,
                const std::string& resource_id, bool _img_scale) : Widget(rect)
{
  image = resource_manager.LoadSprite(res_profile,resource_id);
  image->cache.EnableLastFrameCache();

  // image scalling or not
  img_scale = _img_scale;
  
  if (img_scale)
    image->ScaleSize(rect.GetSize());
}

Button::Button (const Point2i &m_position, const Profile *res_profile, 
                const std::string& resource_id, bool _img_scale)
{
  image = resource_manager.LoadSprite(res_profile, resource_id);
  position = m_position;
  size = image->GetSize();

  // image scalling on resize
  img_scale = _img_scale;
}

Button::~Button()
{
  delete image;
}

void Button::Draw(const Point2i &mousePosition, Surface& surf) const
{
  uint frame = Contains(mousePosition)?1:0;

  image->SetCurrentFrame(frame);

  if (img_scale) {
    // image scalling : easy to place image
    image->Blit(surf, position);
  } else {
    // centering image
    Point2i pos = position;

    pos.x += (GetSizeX()/2) - (image->GetWidth()/2);
    pos.y += (GetSizeY()/2) - (image->GetHeight()/2);

    image->Blit(surf, pos);
  }
}

void Button::SetSizePosition(const Rectanglei &rect)
{
  StdSetSizePosition(rect);

  if (img_scale)
    image->ScaleSize(size);
}

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