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29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
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40 | ****************************************************************************/ |
41 | |
42 | #ifndef QSTATE_H |
43 | #define QSTATE_H |
44 | |
45 | #include <QtCore/qabstractstate.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 QAbstractTransition; |
58 | class QSignalTransition; |
59 | |
60 | class QStatePrivate; |
61 | class Q_CORE_EXPORT QState : public QAbstractState |
62 | { |
63 | Q_OBJECT |
64 | Q_PROPERTY(QAbstractState* initialState READ initialState WRITE setInitialState) |
65 | Q_PROPERTY(QAbstractState* errorState READ errorState WRITE setErrorState) |
66 | Q_PROPERTY(ChildMode childMode READ childMode WRITE setChildMode) |
67 | Q_ENUMS(ChildMode) |
68 | public: |
69 | enum ChildMode { |
70 | ExclusiveStates, |
71 | ParallelStates |
72 | }; |
73 | |
74 | QState(QState *parent = 0); |
75 | QState(ChildMode childMode, QState *parent = 0); |
76 | ~QState(); |
77 | |
78 | QAbstractState *errorState() const; |
79 | void setErrorState(QAbstractState *state); |
80 | |
81 | void addTransition(QAbstractTransition *transition); |
82 | QSignalTransition *addTransition(QObject *sender, const char *signal, QAbstractState *target); |
83 | QAbstractTransition *addTransition(QAbstractState *target); |
84 | void removeTransition(QAbstractTransition *transition); |
85 | QList<QAbstractTransition*> transitions() const; |
86 | |
87 | QAbstractState *initialState() const; |
88 | void setInitialState(QAbstractState *state); |
89 | |
90 | ChildMode childMode() const; |
91 | void setChildMode(ChildMode mode); |
92 | |
93 | #ifndef QT_NO_PROPERTIES |
94 | void assignProperty(QObject *object, const char *name, |
95 | const QVariant &value); |
96 | #endif |
97 | |
98 | Q_SIGNALS: |
99 | void finished(); |
100 | void propertiesAssigned(); |
101 | |
102 | protected: |
103 | void onEntry(QEvent *event); |
104 | void onExit(QEvent *event); |
105 | |
106 | bool event(QEvent *e); |
107 | |
108 | protected: |
109 | QState(QStatePrivate &dd, QState *parent); |
110 | |
111 | private: |
112 | Q_DISABLE_COPY(QState) |
113 | Q_DECLARE_PRIVATE(QState) |
114 | }; |
115 | |
116 | #endif //QT_NO_STATEMACHINE |
117 | |
118 | QT_END_NAMESPACE |
119 | |
120 | QT_END_HEADER |
121 | |
122 | #endif |
123 | |