/***************************************************************************
                               krstyleproxy.cpp
                             -------------------
    copyright            : (C) 2008+ by Csaba Karai
    email                : krusader@users.sourceforge.net
    web site             : http://krusader.sourceforge.net
 ---------------------------------------------------------------------------
  Description
 ***************************************************************************

  A

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                                                     S o u r c e    F i l e

 ***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include "krstyleproxy.h"

// QtGui
#include <QPen>
#include <QPainter>
// QtWidgets
#include <QStyleOptionViewItem>
#include <QApplication>

void KrStyleProxy::drawComplexControl(ComplexControl control, const QStyleOptionComplex * option, QPainter * painter, const QWidget * widget) const
{
    QApplication::style()->drawComplexControl(control, option, painter, widget);
}

void KrStyleProxy::drawControl(ControlElement element, const QStyleOption * option, QPainter * painter, const QWidget * widget) const
{
    QApplication::style()->drawControl(element, option, painter, widget);
}

void KrStyleProxy::drawItemPixmap(QPainter * painter, const QRect & rectangle, int alignment, const QPixmap & pixmap) const
{
    QApplication::style()->drawItemPixmap(painter, rectangle, alignment, pixmap);
}

void KrStyleProxy::drawItemText(QPainter * painter, const QRect & rectangle, int alignment, const QPalette & palette, bool enabled, const QString & text, QPalette::ColorRole textRole) const
{
    QApplication::style()->drawItemText(painter, rectangle, alignment, palette, enabled, text, textRole);
}

void KrStyleProxy::drawPrimitive(PrimitiveElement element, const QStyleOption * option, QPainter * painter, const QWidget * widget) const
{
    if (element == QStyle::PE_FrameFocusRect) {
        if (const QStyleOptionFocusRect *fropt = qstyleoption_cast<const QStyleOptionFocusRect *>(option)) {
            QColor bg = fropt->backgroundColor;
            QPen oldPen = painter->pen();
            QPen newPen;
            if (bg.isValid()) {
                int h, s, v;
                bg.getHsv(&h, &s, &v);
                if (v >= 128)
                    newPen.setColor(Qt::black);
                else
                    newPen.setColor(Qt::white);
            } else {
                newPen.setColor(option->palette.foreground().color());
            }
            newPen.setWidth(0);
            newPen.setStyle(Qt::DotLine);
            painter->setPen(newPen);
            QRect focusRect = option->rect /*.adjusted(1, 1, -1, -1) */;
            painter->drawRect(focusRect.adjusted(0, 0, -1, -1)); //draw pen inclusive
            painter->setPen(oldPen);
        }
    } else
        QApplication::style()->drawPrimitive(element, option, painter, widget);
}

QPixmap KrStyleProxy::generatedIconPixmap(QIcon::Mode iconMode, const QPixmap & pixmap, const QStyleOption * option) const
{
    return QApplication::style()->generatedIconPixmap(iconMode, pixmap, option);
}

QStyle::SubControl KrStyleProxy::hitTestComplexControl(ComplexControl control, const QStyleOptionComplex * option, const QPoint & position, const QWidget * widget) const
{
    return QApplication::style()->hitTestComplexControl(control, option, position, widget);
}

QRect KrStyleProxy::itemPixmapRect(const QRect & rectangle, int alignment, const QPixmap & pixmap) const
{
    return QApplication::style()->itemPixmapRect(rectangle, alignment, pixmap);
}

QRect KrStyleProxy::itemTextRect(const QFontMetrics & metrics, const QRect & rectangle, int alignment, bool enabled, const QString & text) const
{
    return QApplication::style()->itemTextRect(metrics, rectangle, alignment, enabled, text);
}

int KrStyleProxy::layoutSpacing(QSizePolicy::ControlType ctrl1, QSizePolicy::ControlType ctrl2, Qt::Orientation orientation, const QStyleOption *option, const QWidget *widget) const
{
    return QApplication::style()->layoutSpacing(ctrl1, ctrl2, orientation, option, widget);
}

int KrStyleProxy::pixelMetric(PixelMetric metric, const QStyleOption * option, const QWidget * widget) const
{
    return QApplication::style()->pixelMetric(metric, option, widget);
}

void KrStyleProxy::polish(QWidget * widget)
{
    QApplication::style()->polish(widget);
}

void KrStyleProxy::polish(QApplication * application)
{
    QApplication::style()->polish(application);
}

void KrStyleProxy::polish(QPalette & palette)
{
    QApplication::style()->polish(palette);
}

QSize KrStyleProxy::sizeFromContents(ContentsType type, const QStyleOption * option, const QSize & contentsSize, const QWidget * widget) const
{
    return QApplication::style()->sizeFromContents(type, option, contentsSize, widget);
}

QIcon KrStyleProxy::standardIcon(StandardPixmap stdIcon, const QStyleOption *option, const QWidget *widget) const
{
    return QApplication::style()->standardIcon(stdIcon, option, widget);
}

QPalette KrStyleProxy::standardPalette() const
{
    return QApplication::style()->standardPalette();
}

int KrStyleProxy::styleHint(StyleHint hint, const QStyleOption * option, const QWidget * widget, QStyleHintReturn * returnData) const
{
    return QApplication::style()->styleHint(hint, option, widget, returnData);
}

QRect KrStyleProxy::subControlRect(ComplexControl control, const QStyleOptionComplex * option, SubControl subControl, const QWidget * widget) const
{
    return QApplication::style()->subControlRect(control, option, subControl, widget);
}

QRect KrStyleProxy::subElementRect(SubElement element, const QStyleOption * option, const QWidget * widget) const
{
    return QApplication::style()->subElementRect(element, option, widget);
}

QPixmap KrStyleProxy::standardPixmap(QStyle::StandardPixmap pixmap, const QStyleOption* option, const QWidget*widget) const
{
    return QApplication::style()->standardPixmap(pixmap, option, widget);
}

void KrStyleProxy::unpolish(QWidget * widget)
{
    QApplication::style()->unpolish(widget);
}

void KrStyleProxy::unpolish(QApplication * application)
{
    QApplication::style()->unpolish(application);
}
