/**
 ******************************************************************************
 *
 * @file       stylehelper.h
 * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
 *             Parts by Nokia Corporation (qt-info@nokia.com) Copyright (C) 2009.
 * @brief      
 * @see        The GNU Public License (GPL) Version 3
 * @defgroup   
 * @{
 * 
 *****************************************************************************/
/* 
 * 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 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 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
 */

#ifndef STYLEHELPER_H
#define STYLEHELPER_H

#include "utils_global.h"

#include <QtGui/QColor>

QT_BEGIN_NAMESPACE
class QPalette;
class QPainter;
class QRect;
QT_END_NAMESPACE

// Helper class holding all custom color values

namespace Utils {
class QTCREATOR_UTILS_EXPORT StyleHelper
{
public:
    // Height of the project explorer navigation bar
    static int navigationWidgetHeight() { return 24; }
    static qreal sidebarFontSize();
    static QPalette sidebarFontPalette(const QPalette &original);

    // This is our color table, all colors derive from baseColor
    static QColor baseColor();
    static QColor panelTextColor();
    static QColor highlightColor();
    static QColor shadowColor();
    static QColor borderColor();
    static QColor buttonTextColor() { return QColor(0x4c4c4c); }
    static QColor mergedColors(const QColor &colorA, const QColor &colorB, int factor = 50);

    // Sets the base color and makes sure all top level widgets are updated
    static void setBaseColor(const QColor &color);

    // Gradients used for panels
    static void horizontalGradient(QPainter *painter, const QRect &spanRect, const QRect &clipRect);
    static void verticalGradient(QPainter *painter, const QRect &spanRect, const QRect &clipRect);
    static void menuGradient(QPainter *painter, const QRect &spanRect, const QRect &clipRect);

    // Pixmap cache should only be enabled for X11 due to slow gradients
    static bool usePixmapCache() { return true; }

private:
    static QColor m_baseColor;
};

} // namespace Utils
#endif // STYLEHELPER_H