Making sure that recursion will not go beyond 20 levels.
svn path=/trunk/KDE/kdelibs/; revision=1070481
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8fb2ea1980
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@ -20,12 +20,14 @@
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#include <QImage>
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#include <QImage>
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#include <QPixmap>
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#include <QPixmap>
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#include <QStyleOptionGraphicsItem>
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#include <QStyleOptionGraphicsItem>
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static const int RECURSION_MAX = 20;
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namespace Plasma
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namespace Plasma
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{
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{
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ShadowFake::ShadowFake(QGraphicsItem *parent)
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ShadowFake::ShadowFake(QGraphicsItem *parent)
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: QGraphicsWidget(parent),
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: QGraphicsWidget(parent),
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stack(0),
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m_target(0)
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m_target(0)
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{
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{
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}
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}
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@ -46,22 +48,25 @@ void ShadowFake::paintSubChildren(QPainter *painter,
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const QStyleOptionGraphicsItem *option,
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const QStyleOptionGraphicsItem *option,
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QGraphicsItem *target)
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QGraphicsItem *target)
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{
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{
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++stack;
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QList<QGraphicsItem *> list = target->childItems();
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QList<QGraphicsItem *> list = target->childItems();
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QGraphicsItem *tmp;
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QGraphicsItem *tmp;
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if (list.size() > 0) {
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if (list.size() > 0) {
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for (int i = 0; i < list.size(); ++i) {
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for (int i = 0; i < list.size(); ++i) {
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tmp = list.value(i);
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tmp = list.value(i);
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if (tmp->childItems().size() > 0) {
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if ((tmp->childItems().size() > 0) && (stack < RECURSION_MAX)) {
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paintSubChildren(painter, option, tmp);
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paintSubChildren(painter, option, tmp);
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} else {
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tmp->paint(painter, option, 0);
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}
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}
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tmp->paint(painter, option, 0);
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}
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}
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}
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}
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--stack;
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}
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}
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void ShadowFake::setTarget(QGraphicsWidget *target)
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void ShadowFake::setTarget(QGraphicsWidget *target)
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{
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{
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stack = 0;
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m_target = target;
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m_target = target;
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setParentItem(target);
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setParentItem(target);
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resize(target->size());
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resize(target->size());
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@ -42,6 +42,7 @@ private:
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void paintSubChildren(QPainter *painter,
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void paintSubChildren(QPainter *painter,
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const QStyleOptionGraphicsItem *option,
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const QStyleOptionGraphicsItem *option,
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QGraphicsItem *target);
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QGraphicsItem *target);
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int stack;
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QPixmap m_photo;
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QPixmap m_photo;
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QGraphicsWidget *m_target;
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QGraphicsWidget *m_target;
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};
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};
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