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42 #ifndef QRECURSIONWATCHER_P_H
43 #define QRECURSIONWATCHER_P_H
49 // This file is not part of the Qt API. It exists purely as an
50 // implementation detail. This header file may change from version to
51 // version without notice, or even be removed.
56 #include <QtCore/qglobal.h>
61 class QRecursionNode {
63 inline QRecursionNode();
67 template<class T, QRecursionNode T::*Node>
68 class QRecursionWatcher {
70 inline QRecursionWatcher(T *);
71 inline ~QRecursionWatcher();
72 inline bool hasRecursed() const;
78 QRecursionNode::QRecursionNode()
83 template<class T, QRecursionNode T::*Node>
84 QRecursionWatcher<T, Node>::QRecursionWatcher(T *t)
87 if ((_t->*Node)._r) *(_t->*Node)._r = true;
91 template<class T, QRecursionNode T::*Node>
92 QRecursionWatcher<T, Node>::~QRecursionWatcher()
94 if ((_t->*Node)._r == &_r) (_t->*Node)._r = 0;
97 template<class T, QRecursionNode T::*Node>
98 bool QRecursionWatcher<T, Node>::hasRecursed() const
105 #endif // QRECURSIONWATCHER_P_H