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50
51#include <QtWidgets>
52
53#include "../customstyle/customstyle.h"
54
55void CustomStyle::drawPrimitive(PrimitiveElement element, const QStyleOption *option,
56 QPainter *painter, const QWidget *widget) const
57{
58
59//![0]
60 switch (element) {
61 case (PE_PanelItemViewItem): {
62 painter->save();
63
64 QPoint topLeft = option->rect.topLeft();
65 QPoint bottomRight = option->rect.topRight();
66 QLinearGradient backgroundGradient(topLeft, bottomRight);
67 backgroundGradient.setColorAt(pos: 0.0, color: QColor(Qt::yellow).lighter(f: 190));
68 backgroundGradient.setColorAt(pos: 1.0, color: Qt::white);
69 painter->fillRect(option->rect, QBrush(backgroundGradient));
70
71 painter->restore();
72 break;
73 }
74 default:
75 QProxyStyle::drawPrimitive(element, option, painter, widget);
76 }
77//![0]
78}
79

source code of qtbase/src/widgets/doc/snippets/customviewstyle/customviewstyle.cpp