1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QSIGNALTRANSITION_H |
5 | #define QSIGNALTRANSITION_H |
6 | |
7 | #include <QtCore/qmetaobject.h> |
8 | #include <QtStateMachine/qabstracttransition.h> |
9 | |
10 | QT_REQUIRE_CONFIG(statemachine); |
11 | |
12 | QT_BEGIN_NAMESPACE |
13 | |
14 | class QSignalTransitionPrivate; |
15 | class Q_STATEMACHINE_EXPORT QSignalTransition : public QAbstractTransition |
16 | { |
17 | Q_OBJECT |
18 | Q_PROPERTY(const QObject* senderObject READ senderObject WRITE setSenderObject |
19 | NOTIFY senderObjectChanged BINDABLE bindableSenderObject) |
20 | Q_PROPERTY(QByteArray signal READ signal WRITE setSignal |
21 | NOTIFY signalChanged BINDABLE bindableSignal) |
22 | |
23 | public: |
24 | QSignalTransition(QState *sourceState = nullptr); |
25 | QSignalTransition(const QObject *sender, const char *signal, |
26 | QState *sourceState = nullptr); |
27 | #ifdef Q_QDOC |
28 | template<typename PointerToMemberFunction> |
29 | QSignalTransition(const QObject *object, PointerToMemberFunction signal, |
30 | QState *sourceState = nullptr); |
31 | #elif defined(Q_COMPILER_DELEGATING_CONSTRUCTORS) |
32 | template <typename Func> |
33 | QSignalTransition(const typename QtPrivate::FunctionPointer<Func>::Object *obj, |
34 | Func sig, QState *srcState = nullptr) |
35 | : QSignalTransition(obj, QMetaMethod::fromSignal(sig).methodSignature().constData(), srcState) |
36 | { |
37 | } |
38 | #endif |
39 | |
40 | ~QSignalTransition(); |
41 | |
42 | const QObject *senderObject() const; |
43 | void setSenderObject(const QObject *sender); |
44 | QBindable<const QObject*> bindableSenderObject(); |
45 | |
46 | QByteArray signal() const; |
47 | void setSignal(const QByteArray &signal); |
48 | QBindable<QByteArray> bindableSignal(); |
49 | |
50 | protected: |
51 | bool eventTest(QEvent *event) override; |
52 | void onTransition(QEvent *event) override; |
53 | |
54 | bool event(QEvent *e) override; |
55 | |
56 | Q_SIGNALS: |
57 | void senderObjectChanged(QPrivateSignal); |
58 | void signalChanged(QPrivateSignal); |
59 | |
60 | private: |
61 | Q_DISABLE_COPY(QSignalTransition) |
62 | Q_DECLARE_PRIVATE(QSignalTransition) |
63 | }; |
64 | |
65 | QT_END_NAMESPACE |
66 | |
67 | #endif |
68 | |