/****************************************************************************
**
** Copyright (C) 2005-2006 Frank Hemer <frank@hemer.org>,
**                         Tilo Riemer <riemer@crossvc.com>
**
**
**----------------------------------------------------------------------------
**
**----------------------------------------------------------------------------
**
** CrossVC is available under two different licenses:
**
** If CrossVC is linked against the GPLed version of Qt 
** CrossVC is released under the terms of GPL also.
**
** If CrossVC is linked against a nonGPLed version of Qt 
** CrossVC is released under the terms of the 
** CrossVC License for non-Unix platforms (CLNU)
**
**
** CrossVC License for non-Unix platforms (CLNU):
**
** Redistribution and use in binary form, without modification, 
** are permitted provided that the following conditions are met:
**
** 1. 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.
** 2. It is not permitted to distribute the binary package under a name
**    different than CrossVC.
** 3. The name of the authors may not be used to endorse or promote
**    products derived from this software without specific prior written
**    permission.
** 4. The source code is the creative property of the authors.
**    Extensions and development under the terms of the Gnu Public License
**    are limited to the Unix platform. Any distribution or compilation of 
**    the source code against libraries licensed other than gpl requires 
**    the written permission of the authors.
**
**
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR 
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** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
**
**
** CrossVC License for Unix platforms:
**
** 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, version 2 of the License.
** 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 version 2 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,
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*****************************************************************************/

#include <qtimer.h>
#include <qpainter.h>
#include <qcommonstyle.h>
#include <qapplication.h>
#include <qdrawutil.h>

//----------------------------------------------------------------------------

#include "ColorButton.h"

//----------------------------------------------------------------------------

CColorButton::CColorButton(QWidget * parent, const char * name)
: QPushButton(parent, name), m_color(Qt::black)
{
   setText(QString::null);
}

//----------------------------------------------------------------------------

CColorButton::CColorButton(const QColor &color, QWidget * parent, const char * name)
: QPushButton(parent, name), m_color(color)
{
   setText(QString::null);
}

//----------------------------------------------------------------------------

void CColorButton::setColor(const QColor &color)
{
   m_color = color;
   update();
}

//----------------------------------------------------------------------------

QSize CColorButton::sizeHint() const {
   return style().sizeFromContents(QStyle::CT_PushButton,
                                   this, QSize(35,35) )
                                       .expandedTo(QApplication::globalStrut());
}

//----------------------------------------------------------------------------

void CColorButton::drawButtonLabel(QPainter * p)
{
   int x, y, w, h;
   QRect r = style().subRect(QStyle::SR_PushButtonContents, this);
   r.rect(&x, &y, &w, &h);
   
   int margin = style().pixelMetric(QStyle::PM_ButtonMargin, this);
   x += margin;
   y += margin;
   w -= 2*margin;
   h -= 2*margin;
   
   if (isOn() || isDown()) {
      x += style().pixelMetric(QStyle::PM_ButtonShiftHorizontal, this);
      y += style().pixelMetric(QStyle::PM_ButtonShiftVertical, this);
   }
   
   QColor color = isEnabled() ? m_color : backgroundColor();
   qDrawShadePanel(p, x, y, w, h, colorGroup(), true, 1, NULL);
   if (color.isValid()) {
      #ifdef Q_WS_MAC
      QBrush old(p->brush());
      p->setBrush(color);
      p->drawChord(x+1, y+1, w-2, h-2, 0, 5760);
      p->setBrush(old);
      #else
      p->fillRect(x+1, y+1, w-2, h-2, color);
      #endif
   }
   
   if (hasFocus()) {
      QRect focusRect = style().subRect(QStyle::SR_PushButtonFocusRect, this);
      style().drawPrimitive(QStyle::PE_FocusRect, p, focusRect, colorGroup());
   }
}

//----------------------------------------------------------------------------