| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QABSTRACTSTATE_H |
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| 5 | #define QABSTRACTSTATE_H |
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| 6 | |
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| 7 | #include <QtCore/qobject.h> |
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| 8 | #include <QtStateMachine/qstatemachineglobal.h> |
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| 9 | |
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| 10 | QT_BEGIN_NAMESPACE |
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| 11 | |
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| 12 | class QState; |
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| 13 | class QStateMachine; |
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| 14 | |
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| 15 | class QAbstractStatePrivate; |
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| 16 | class Q_STATEMACHINE_EXPORT QAbstractState : public QObject |
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| 17 | { |
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| 18 | Q_OBJECT |
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| 19 | Q_PROPERTY(bool active READ active NOTIFY activeChanged BINDABLE bindableActive) |
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| 20 | public: |
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| 21 | ~QAbstractState(); |
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| 22 | |
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| 23 | QState *parentState() const; |
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| 24 | QStateMachine *machine() const; |
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| 25 | |
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| 26 | bool active() const; |
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| 27 | QBindable<bool> bindableActive(); |
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| 28 | |
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| 29 | Q_SIGNALS: |
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| 30 | void entered(QPrivateSignal); |
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| 31 | void exited(QPrivateSignal); |
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| 32 | void activeChanged(bool active); |
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| 33 | |
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| 34 | protected: |
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| 35 | QAbstractState(QState *parent = nullptr); |
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| 36 | |
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| 37 | virtual void onEntry(QEvent *event) = 0; |
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| 38 | virtual void onExit(QEvent *event) = 0; |
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| 39 | |
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| 40 | bool event(QEvent *e) override; |
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| 41 | |
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| 42 | protected: |
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| 43 | QAbstractState(QAbstractStatePrivate &dd, QState *parent); |
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| 44 | |
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| 45 | private: |
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| 46 | Q_DISABLE_COPY(QAbstractState) |
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| 47 | Q_DECLARE_PRIVATE(QAbstractState) |
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| 48 | }; |
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| 49 | |
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| 50 | QT_END_NAMESPACE |
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| 51 | |
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| 52 | #endif |
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| 53 | |
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