wg_progress.cpp

// wg_progress.cpp
//
// CProgress class implementation
//
//
// Copyright (c) 2002-2004 Rob Wiskow
// rob-dev@boxedchaos.com
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//


#include "wgui_include_config.h"
#include "wg_progress.h"
#include "std_ex.h"


namespace wGui
{

CProgress::CProgress(const CRect& WindowRect, CWindow* pParent, CRGBColor BarColor) :
     CRangeControl<int>(WindowRect, pParent, 0, 100, 1, 0),
     m_BarColor(BarColor)
{
     m_BackgroundColor = DEFAULT_FOREGROUND_COLOR;
     Draw();
}


CProgress::~CProgress(void)
{

}


void CProgress::Draw(void) const
{
     CWindow::Draw();

     if (m_pSDLSurface)
     {
          CRect SubRect(m_WindowRect.SizeRect());
          SubRect.Grow(-1);
          CPainter Painter(m_pSDLSurface, CPainter::PAINT_REPLACE);
          Painter.DrawRect(m_WindowRect.SizeRect(), false, COLOR_BLACK);
          Painter.DrawRect(SubRect, false, COLOR_LIGHTGRAY);
          Painter.DrawHLine(SubRect.Left(), SubRect.Right(), SubRect.Top(), COLOR_DARKGRAY);
          Painter.DrawVLine(SubRect.Top(), SubRect.Bottom(), SubRect.Left(), COLOR_DARKGRAY);
          SubRect.Grow(-2);
          if (m_Value > m_MinLimit)
          {
               if (m_Value < m_MaxLimit)
               {
                    SubRect.SetRight(stdex::safe_static_cast<int>(SubRect.Left() +
                         SubRect.Width() * (stdex::safe_static_cast<double>(m_Value - m_MinLimit) / (m_MaxLimit - m_MinLimit))));
               }
               Painter.DrawRect(SubRect, true, m_BarColor, m_BarColor);
          }
     }
}

}

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