| 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 QABSTRACTSTATE_H |
| 5 | #define QABSTRACTSTATE_H |
| 6 | |
| 7 | #include <QtCore/qobject.h> |
| 8 | #include <QtStateMachine/qstatemachineglobal.h> |
| 9 | |
| 10 | QT_REQUIRE_CONFIG(statemachine); |
| 11 | |
| 12 | QT_BEGIN_NAMESPACE |
| 13 | |
| 14 | class QState; |
| 15 | class QStateMachine; |
| 16 | |
| 17 | class QAbstractStatePrivate; |
| 18 | class Q_STATEMACHINE_EXPORT QAbstractState : public QObject |
| 19 | { |
| 20 | Q_OBJECT |
| 21 | Q_PROPERTY(bool active READ active NOTIFY activeChanged BINDABLE bindableActive) |
| 22 | public: |
| 23 | ~QAbstractState(); |
| 24 | |
| 25 | QState *parentState() const; |
| 26 | QStateMachine *machine() const; |
| 27 | |
| 28 | bool active() const; |
| 29 | QBindable<bool> bindableActive(); |
| 30 | |
| 31 | Q_SIGNALS: |
| 32 | void entered(QPrivateSignal); |
| 33 | void exited(QPrivateSignal); |
| 34 | void activeChanged(bool active); |
| 35 | |
| 36 | protected: |
| 37 | QAbstractState(QState *parent = nullptr); |
| 38 | |
| 39 | virtual void onEntry(QEvent *event) = 0; |
| 40 | virtual void onExit(QEvent *event) = 0; |
| 41 | |
| 42 | bool event(QEvent *e) override; |
| 43 | |
| 44 | protected: |
| 45 | QAbstractState(QAbstractStatePrivate &dd, QState *parent); |
| 46 | |
| 47 | private: |
| 48 | Q_DISABLE_COPY(QAbstractState) |
| 49 | Q_DECLARE_PRIVATE(QAbstractState) |
| 50 | }; |
| 51 | |
| 52 | QT_END_NAMESPACE |
| 53 | |
| 54 | #endif |
| 55 |