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customstyle.cpp

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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]
    QSpinBox *spinBox = qobject_cast<QSpinBox *>(widget);
    if (spinBox) {
//! [0] //! [1]
    }
//! [1]
}

//! [2]
00057 void CustomStyle::drawPrimitive(PrimitiveElement element, const QStyleOption *option,
                                QPainter *painter, const QWidget *widget) const
{
    if (element == PE_IndicatorSpinUp || element == PE_IndicatorSpinDown) {
      QPolygon points(3);
      int x = option->rect.x();
      int y = option->rect.y();
      int w = option->rect.width() / 2;
      int 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]

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