| 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_BEGIN_NAMESPACE |
| 11 | |
| 12 | class QSignalTransitionPrivate; |
| 13 | class Q_STATEMACHINE_EXPORT QSignalTransition : public QAbstractTransition |
| 14 | { |
| 15 | Q_OBJECT |
| 16 | Q_PROPERTY(const QObject* senderObject READ senderObject WRITE setSenderObject |
| 17 | NOTIFY senderObjectChanged BINDABLE bindableSenderObject) |
| 18 | Q_PROPERTY(QByteArray signal READ signal WRITE setSignal |
| 19 | NOTIFY signalChanged BINDABLE bindableSignal) |
| 20 | |
| 21 | public: |
| 22 | QSignalTransition(QState *sourceState = nullptr); |
| 23 | QSignalTransition(const QObject *sender, const char *signal, |
| 24 | QState *sourceState = nullptr); |
| 25 | #ifdef Q_QDOC |
| 26 | template<typename PointerToMemberFunction> |
| 27 | QSignalTransition(const QObject *object, PointerToMemberFunction signal, |
| 28 | QState *sourceState = nullptr); |
| 29 | #elif defined(Q_COMPILER_DELEGATING_CONSTRUCTORS) |
| 30 | template <typename Func> |
| 31 | QSignalTransition(const typename QtPrivate::FunctionPointer<Func>::Object *obj, |
| 32 | Func sig, QState *srcState = nullptr) |
| 33 | : QSignalTransition(obj, QMetaMethod::fromSignal(sig).methodSignature().constData(), srcState) |
| 34 | { |
| 35 | } |
| 36 | #endif |
| 37 | |
| 38 | ~QSignalTransition(); |
| 39 | |
| 40 | const QObject *senderObject() const; |
| 41 | void setSenderObject(const QObject *sender); |
| 42 | QBindable<const QObject*> bindableSenderObject(); |
| 43 | |
| 44 | QByteArray signal() const; |
| 45 | void setSignal(const QByteArray &signal); |
| 46 | QBindable<QByteArray> bindableSignal(); |
| 47 | |
| 48 | protected: |
| 49 | bool eventTest(QEvent *event) override; |
| 50 | void onTransition(QEvent *event) override; |
| 51 | |
| 52 | bool event(QEvent *e) override; |
| 53 | |
| 54 | Q_SIGNALS: |
| 55 | void senderObjectChanged(QPrivateSignal); |
| 56 | void signalChanged(QPrivateSignal); |
| 57 | |
| 58 | private: |
| 59 | Q_DISABLE_COPY(QSignalTransition) |
| 60 | Q_DECLARE_PRIVATE(QSignalTransition) |
| 61 | }; |
| 62 | |
| 63 | QT_END_NAMESPACE |
| 64 | |
| 65 | #endif |
| 66 |