| 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 QHISTORYSTATE_H |
| 5 | #define QHISTORYSTATE_H |
| 6 | |
| 7 | #include <QtStateMachine/qabstractstate.h> |
| 8 | |
| 9 | QT_REQUIRE_CONFIG(statemachine); |
| 10 | |
| 11 | QT_BEGIN_NAMESPACE |
| 12 | |
| 13 | class QAbstractTransition; |
| 14 | class QHistoryStatePrivate; |
| 15 | class Q_STATEMACHINE_EXPORT QHistoryState : public QAbstractState |
| 16 | { |
| 17 | Q_OBJECT |
| 18 | Q_PROPERTY(QAbstractState* defaultState READ defaultState WRITE setDefaultState NOTIFY defaultStateChanged) |
| 19 | Q_PROPERTY(QAbstractTransition* defaultTransition READ defaultTransition |
| 20 | WRITE setDefaultTransition NOTIFY defaultTransitionChanged |
| 21 | BINDABLE bindableDefaultTransition) |
| 22 | Q_PROPERTY(HistoryType historyType READ historyType WRITE setHistoryType |
| 23 | NOTIFY historyTypeChanged BINDABLE bindableHistoryType) |
| 24 | public: |
| 25 | enum HistoryType { |
| 26 | ShallowHistory, |
| 27 | DeepHistory |
| 28 | }; |
| 29 | Q_ENUM(HistoryType) |
| 30 | |
| 31 | QHistoryState(QState *parent = nullptr); |
| 32 | QHistoryState(HistoryType type, QState *parent = nullptr); |
| 33 | ~QHistoryState(); |
| 34 | |
| 35 | QAbstractTransition *defaultTransition() const; |
| 36 | void setDefaultTransition(QAbstractTransition *transition); |
| 37 | QBindable<QAbstractTransition*> bindableDefaultTransition(); |
| 38 | |
| 39 | QAbstractState *defaultState() const; |
| 40 | void setDefaultState(QAbstractState *state); |
| 41 | |
| 42 | HistoryType historyType() const; |
| 43 | void setHistoryType(HistoryType type); |
| 44 | QBindable<QHistoryState::HistoryType> bindableHistoryType(); |
| 45 | |
| 46 | Q_SIGNALS: |
| 47 | void defaultTransitionChanged(QPrivateSignal); |
| 48 | void defaultStateChanged(QPrivateSignal); |
| 49 | void historyTypeChanged(QPrivateSignal); |
| 50 | |
| 51 | protected: |
| 52 | void onEntry(QEvent *event) override; |
| 53 | void onExit(QEvent *event) override; |
| 54 | |
| 55 | bool event(QEvent *e) override; |
| 56 | |
| 57 | private: |
| 58 | Q_DISABLE_COPY(QHistoryState) |
| 59 | Q_DECLARE_PRIVATE(QHistoryState) |
| 60 | }; |
| 61 | |
| 62 | QT_END_NAMESPACE |
| 63 | |
| 64 | #endif |
| 65 |