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41 | |
42 | #ifndef QABSTRACTTRANSITION_H |
43 | #define QABSTRACTTRANSITION_H |
44 | |
45 | #include <QtCore/qobject.h> |
46 | |
47 | #include <QtCore/qlist.h> |
48 | |
49 | QT_BEGIN_HEADER |
50 | |
51 | QT_BEGIN_NAMESPACE |
52 | |
53 | QT_MODULE(Core) |
54 | |
55 | #ifndef QT_NO_STATEMACHINE |
56 | |
57 | class QEvent; |
58 | class QAbstractState; |
59 | class QState; |
60 | class QStateMachine; |
61 | |
62 | #ifndef QT_NO_ANIMATION |
63 | class QAbstractAnimation; |
64 | #endif |
65 | |
66 | class QAbstractTransitionPrivate; |
67 | class Q_CORE_EXPORT QAbstractTransition : public QObject |
68 | { |
69 | Q_OBJECT |
70 | Q_PROPERTY(QState* sourceState READ sourceState) |
71 | Q_PROPERTY(QAbstractState* targetState READ targetState WRITE setTargetState) |
72 | Q_PROPERTY(QList<QAbstractState*> targetStates READ targetStates WRITE setTargetStates) |
73 | public: |
74 | QAbstractTransition(QState *sourceState = 0); |
75 | virtual ~QAbstractTransition(); |
76 | |
77 | QState *sourceState() const; |
78 | QAbstractState *targetState() const; |
79 | void setTargetState(QAbstractState* target); |
80 | QList<QAbstractState*> targetStates() const; |
81 | void setTargetStates(const QList<QAbstractState*> &targets); |
82 | |
83 | QStateMachine *machine() const; |
84 | |
85 | #ifndef QT_NO_ANIMATION |
86 | void addAnimation(QAbstractAnimation *animation); |
87 | void removeAnimation(QAbstractAnimation *animation); |
88 | QList<QAbstractAnimation*> animations() const; |
89 | #endif |
90 | |
91 | Q_SIGNALS: |
92 | #if !defined(Q_MOC_RUN) && !defined(qdoc) |
93 | private: // can only be emitted by QAbstractTransition |
94 | #endif |
95 | void triggered(); |
96 | |
97 | protected: |
98 | virtual bool eventTest(QEvent *event) = 0; |
99 | |
100 | virtual void onTransition(QEvent *event) = 0; |
101 | |
102 | bool event(QEvent *e); |
103 | |
104 | protected: |
105 | QAbstractTransition(QAbstractTransitionPrivate &dd, QState *parent); |
106 | |
107 | private: |
108 | Q_DISABLE_COPY(QAbstractTransition) |
109 | Q_DECLARE_PRIVATE(QAbstractTransition) |
110 | }; |
111 | |
112 | #endif //QT_NO_STATEMACHINE |
113 | |
114 | QT_END_NAMESPACE |
115 | |
116 | QT_END_HEADER |
117 | |
118 | #endif |
119 | |