1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSTATEMACHINE_H
#define QSTATEMACHINE_H
#include <QtCore/qstate.h>
#include <QtCore/qcoreevent.h>
#include <QtCore/qlist.h>
#include <QtCore/qobject.h>
#include <QtCore/qset.h>
#include <QtCore/qvariant.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
#ifndef QT_NO_STATEMACHINE
class QStateMachinePrivate;
class QAbstractAnimation;
class Q_CORE_EXPORT QStateMachine : public QState
{
Q_OBJECT
Q_PROPERTY(QString errorString READ errorString)
Q_PROPERTY(RestorePolicy globalRestorePolicy READ globalRestorePolicy WRITE setGlobalRestorePolicy)
Q_ENUMS(RestorePolicy)
#ifndef QT_NO_ANIMATION
Q_PROPERTY(bool animated READ isAnimated WRITE setAnimated)
#endif
public:
class Q_CORE_EXPORT SignalEvent : public QEvent
{
public:
SignalEvent(QObject *sender, int signalIndex,
const QList<QVariant> &arguments);
~SignalEvent();
inline QObject *sender() const { return m_sender; }
inline int signalIndex() const { return m_signalIndex; }
inline QList<QVariant> arguments() const { return m_arguments; }
private:
QObject *m_sender;
int m_signalIndex;
QList<QVariant> m_arguments;
friend class QSignalTransitionPrivate;
};
class Q_CORE_EXPORT WrappedEvent : public QEvent
{
public:
WrappedEvent(QObject *object, QEvent *event);
~WrappedEvent();
inline QObject *object() const { return m_object; }
inline QEvent *event() const { return m_event; }
private:
QObject *m_object;
QEvent *m_event;
};
enum EventPriority {
NormalPriority,
HighPriority
};
enum RestorePolicy {
DontRestoreProperties,
RestoreProperties
};
enum Error {
NoError,
NoInitialStateError,
NoDefaultStateInHistoryStateError,
NoCommonAncestorForTransitionError
};
QStateMachine(QObject *parent = 0);
~QStateMachine();
void addState(QAbstractState *state);
void removeState(QAbstractState *state);
Error error() const;
QString errorString() const;
void clearError();
bool isRunning() const;
#ifndef QT_NO_ANIMATION
bool isAnimated() const;
void setAnimated(bool enabled);
void addDefaultAnimation(QAbstractAnimation *animation);
QList<QAbstractAnimation *> defaultAnimations() const;
void removeDefaultAnimation(QAbstractAnimation *animation);
#endif // QT_NO_ANIMATION
QStateMachine::RestorePolicy globalRestorePolicy() const;
void setGlobalRestorePolicy(QStateMachine::RestorePolicy restorePolicy);
void postEvent(QEvent *event, EventPriority priority = NormalPriority);
int postDelayedEvent(QEvent *event, int delay);
bool cancelDelayedEvent(int id);
QSet<QAbstractState*> configuration() const;
#ifndef QT_NO_STATEMACHINE_EVENTFILTER
bool eventFilter(QObject *watched, QEvent *event);
#endif
public Q_SLOTS:
void start();
void stop();
Q_SIGNALS:
void started();
void stopped();
protected:
void onEntry(QEvent *event);
void onExit(QEvent *event);
virtual void beginSelectTransitions(QEvent *event);
virtual void endSelectTransitions(QEvent *event);
virtual void beginMicrostep(QEvent *event);
virtual void endMicrostep(QEvent *event);
bool event(QEvent *e);
protected:
QStateMachine(QStateMachinePrivate &dd, QObject *parent);
private:
Q_DISABLE_COPY(QStateMachine)
Q_DECLARE_PRIVATE(QStateMachine)
Q_PRIVATE_SLOT(d_func(), void _q_start())
Q_PRIVATE_SLOT(d_func(), void _q_process())
#ifndef QT_NO_ANIMATION
Q_PRIVATE_SLOT(d_func(), void _q_animationFinished())
#endif
};
#endif //QT_NO_STATEMACHINE
QT_END_NAMESPACE
QT_END_HEADER
#endif
|
