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** This file is part of the documentation of the Qt Toolkit.
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#include <QtGui>

#include "customstyle.h"

CustomStyle::CustomStyle()
{
//! [0]
    if widget:
//! [0] //! [1]
//! [1]
}

//! [2]
def drawPrimitive(element, option, painter, widget):
    if element == PE_IndicatorSpinUp or element == PE_IndicatorSpinDown:
        points = QPolygon(3)
        x = option->rect.x()
        y = option->rect.y()
        w = option->rect.width() / 2
        h = option->rect.height() / 2
        x += (option->rect.width() - w) / 2
        y += (option->rect.height() - h) / 2

        if element == PE_IndicatorSpinUp:
            points[0] = QPoint(x, y + h)
            points[1] = QPoint(x + w, y + h)
            points[2] = QPoint(x + w / 2, y)
        else: # PE_SpinBoxDown
            points[0] = QPoint(x, y)
            points[1] = QPoint(x + w, y)
            points[2] = QPoint(x + w / 2, y + h)

        if option.state & State_Enabled:
            painter.setPen(option.palette.mid().color())
            painter.setBrush(option.palette.buttonText())
        else:
            painter.setPen(option.palette.buttonText().color())
            painter.setBrush(option.palette.mid())

        painter.drawPolygon(points)

    else:
        QWindowsStyle.drawPrimitive(element, option, painter, widget)
//! [2] //! [3]

//! [3] //! [4]
}
//! [4]