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39
40#ifndef Q_QDOC
41
42#ifndef QOBJECT_H
43#error Do not include qobject_impl.h directly
44#endif
45
46#if 0
47#pragma qt_sync_skip_header_check
48#pragma qt_sync_stop_processing
49#endif
50
51QT_BEGIN_NAMESPACE
52
53
54namespace QtPrivate {
55 /*
56 Logic to statically generate the array of qMetaTypeId
57 ConnectionTypes<FunctionPointer<Signal>::Arguments>::types() returns an array
58 of int that is suitable for the types arguments of the connection functions.
59 */
60 template <typename T> struct ConnectionTypes;
61 template <typename... Args> struct ConnectionTypes<List<Args...>>
62 { static const int *types() { static const int t[sizeof...(Args) + 1] = { QMetaType::fromType<Args>().id()..., 0 }; return t; } };
63
64 // implementation of QSlotObjectBase for which the slot is a static function
65 // Args and R are the List of arguments and the return type of the signal to which the slot is connected.
66 template<typename Func, typename Args, typename R> class QStaticSlotObject : public QSlotObjectBase
67 {
68 typedef QtPrivate::FunctionPointer<Func> FuncType;
69 Func function;
70 static void impl(int which, QSlotObjectBase *this_, QObject *r, void **a, bool *ret)
71 {
72 switch (which) {
73 case Destroy:
74 delete static_cast<QStaticSlotObject*>(this_);
75 break;
76 case Call:
77 FuncType::template call<Args, R>(static_cast<QStaticSlotObject*>(this_)->function, r, a);
78 break;
79 case Compare: // not implemented
80 case NumOperations:
81 Q_UNUSED(ret);
82 }
83 }
84 public:
85 explicit QStaticSlotObject(Func f) : QSlotObjectBase(&impl), function(f) {}
86 };
87}
88
89
90QT_END_NAMESPACE
91
92#endif
93