C++/Qt/QWindowsStyle
Версия от 14:21, 25 мая 2010; (обсуждение)
Custom style
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#ifndef CUSTOMSTYLE_H
#define CUSTOMSTYLE_H
#include <QWindowsStyle>
class CustomStyle : public QWindowsStyle
{
Q_OBJECT
public:
CustomStyle()
~CustomStyle() {}
void drawPrimitive(PrimitiveElement element, const QStyleOption *option,
QPainter *painter, const QWidget *widget) const;
};
#endif
#include <QtGui>
#include "customstyle.h"
CustomStyle::CustomStyle()
{
QSpinBox *spinBox = qobject_cast<QSpinBox *>(widget);
if (spinBox) {
}
}
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);
}
}
#include <QtGui>
#include "customstyle.h"
int main(int argc, char *argv[])
{
QApplication::setStyle(new CustomStyle);
QApplication app(argc, argv);
QSpinBox spinBox;
spinBox.show();
return app.exec();
}