/*  This file is part of the KDE libraries
    Copyright (C) 1997 Martin Jones (mjones@kde.org)
    Copyright (C) 1999 Cristian Tibirna (ctibirna@kde.org)

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA  02110-1301, USA.
*/

#include "qcolorbutton.h"
#ifdef USE_KDE

QColorButton::QColorButton( QWidget *parent, const char *name)
        : KColorButton(parent, name)
{
}

#else

#include <qpainter.h>
#include <qdrawutil.h>
#include <qapplication.h>
#include <qstyle.h>
#include <qcolordialog.h>

QColorButton::QColorButton( QWidget *parent, const char *name )
        : QPushButton( parent, name )
{
    connect (this, SIGNAL(clicked()), this, SLOT(chooseColor()));
}

void QColorButton::setColor( const QColor &c )
{
    if ( col != c ) {
        col = c;
        repaint( false );
        emit changed( col );
    }
}

void QColorButton::drawButtonLabel( QPainter *painter )
{
    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 fillCol = isEnabled() ? col : backgroundColor();
    qDrawShadePanel( painter, x, y, w, h, colorGroup(), true, 1, NULL);
    if ( fillCol.isValid() )
      painter->fillRect( x+1, y+1, w-2, h-2, fillCol );

    if ( hasFocus() ) {
      QRect focusRect = style().subRect( QStyle::SR_PushButtonFocusRect, this );
      style().drawPrimitive( QStyle::PE_FocusRect, painter, focusRect, colorGroup() );
    }
}

QSize QColorButton::sizeHint() const
{
    return style().sizeFromContents(QStyle::CT_PushButton, this, QSize(40, 15)).
        expandedTo(QApplication::globalStrut());
}

void QColorButton::chooseColor()
{
    QColor c = QColorDialog::getColor( color(), this );
    if( c.isValid() )
        setColor( c );
}

#ifndef NO_MOC_INCLUDES
#include "qcolorbutton.moc"
#endif

#endif