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| |
| #ifndef QABSTRACTTRANSITION_H |
| #define QABSTRACTTRANSITION_H |
| |
| #include <QtCore/qobject.h> |
| |
| #include <QtCore/qlist.h> |
| |
| QT_REQUIRE_CONFIG(statemachine); |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QEvent; |
| class QAbstractState; |
| class QState; |
| class QStateMachine; |
| |
| #if QT_CONFIG(animation) |
| class QAbstractAnimation; |
| #endif |
| |
| class QAbstractTransitionPrivate; |
| class Q_CORE_EXPORT QAbstractTransition : public QObject |
| { |
| Q_OBJECT |
| Q_PROPERTY(QState* sourceState READ sourceState) |
| Q_PROPERTY(QAbstractState* targetState READ targetState WRITE setTargetState NOTIFY targetStateChanged) |
| Q_PROPERTY(QList<QAbstractState*> targetStates READ targetStates WRITE setTargetStates NOTIFY targetStatesChanged) |
| Q_PROPERTY(TransitionType transitionType READ transitionType WRITE setTransitionType REVISION 1) |
| public: |
| enum TransitionType { |
| ExternalTransition, |
| InternalTransition |
| }; |
| Q_ENUM(TransitionType) |
| |
| QAbstractTransition(QState *sourceState = nullptr); |
| virtual ~QAbstractTransition(); |
| |
| QState *sourceState() const; |
| QAbstractState *targetState() const; |
| void setTargetState(QAbstractState* target); |
| QList<QAbstractState*> targetStates() const; |
| void setTargetStates(const QList<QAbstractState*> &targets); |
| |
| TransitionType transitionType() const; |
| void setTransitionType(TransitionType type); |
| |
| QStateMachine *machine() const; |
| |
| #if QT_CONFIG(animation) |
| void addAnimation(QAbstractAnimation *animation); |
| void removeAnimation(QAbstractAnimation *animation); |
| QList<QAbstractAnimation*> animations() const; |
| #endif |
| |
| Q_SIGNALS: |
| void triggered(QPrivateSignal); |
| void targetStateChanged(QPrivateSignal); |
| void targetStatesChanged(QPrivateSignal); |
| |
| protected: |
| virtual bool eventTest(QEvent *event) = 0; |
| |
| virtual void onTransition(QEvent *event) = 0; |
| |
| bool event(QEvent *e) override; |
| |
| protected: |
| QAbstractTransition(QAbstractTransitionPrivate &dd, QState *parent); |
| |
| private: |
| Q_DISABLE_COPY(QAbstractTransition) |
| Q_DECLARE_PRIVATE(QAbstractTransition) |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif |