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34 lines
759 B
C++
34 lines
759 B
C++
#ifndef COCKATRICE_QT_UTILS_H
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#define COCKATRICE_QT_UTILS_H
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#include <QObject>
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namespace QtUtils
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{
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template <typename T> T *findParentOfType(const QObject *obj)
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{
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const QObject *p = obj ? obj->parent() : nullptr;
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while (p) {
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if (auto casted = qobject_cast<T *>(const_cast<QObject *>(p))) {
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return casted;
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}
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p = p->parent();
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}
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return nullptr;
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}
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static void clearLayoutRec(QLayout *l)
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{
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if (!l)
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return;
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QLayoutItem *it;
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while ((it = l->takeAt(0)) != nullptr) {
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if (QWidget *w = it->widget())
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w->deleteLater();
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if (QLayout *sub = it->layout())
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clearLayoutRec(sub);
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delete it;
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}
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}
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} // namespace QtUtils
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#endif // COCKATRICE_QT_UTILS_H
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