doc/src/snippets/customstyle/customstyle.cpp
author Eckhart Koeppen <eckhart.koppen@nokia.com>
Thu, 08 Apr 2010 14:19:33 +0300
branchRCL_3
changeset 7 3f74d0d4af4c
permissions -rw-r--r--
qt:70947f0f93d948bc89b3b43d00da758a51f1ef84

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#include <QtGui>

#include "customstyle.h"

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

//! [2]
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]