- Main Page
- Related Pages
- Modules
- Namespaces
- Classes
- Files
- Directories
- Examples

- File List
- File Members

# qstate.h

Go to the documentation of this file.

    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtCore module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QSTATE_H
    00043 #define QSTATE_H
    00044
    00045 #include <QtCore/qabstractstate.h>
    00046
    00047 #include <QtCore/qlist.h>
    00048
    00049 QT_BEGIN_HEADER
    00050
    00051 QT_BEGIN_NAMESPACE
    00052
    00053 QT_MODULE(Core)
    00054
    00055 #ifndef QT_NO_STATEMACHINE
    00056
    00057 class QAbstractTransition;
    00058 class QSignalTransition;
    00059
    00060 class QStatePrivate;
    00061 class Q_CORE_EXPORT QState : public QAbstractState
    00062 {
    00063     Q_OBJECT
    00064     Q_PROPERTY(QAbstractState* initialState READ initialState WRITE setInitialState)
    00065     Q_PROPERTY(QAbstractState* errorState READ errorState WRITE setErrorState)
    00066     Q_PROPERTY(ChildMode childMode READ childMode WRITE setChildMode)
    00067     Q_ENUMS(ChildMode)
    00068 public:
    00069     enum ChildMode {
    00070         ExclusiveStates,
    00071         ParallelStates
    00072     };
    00073
    00074     QState(QState *parent = 0);
    00075     QState(ChildMode childMode, QState *parent = 0);
    00076     ~QState();
    00077
    00078     QAbstractState *errorState() const;
    00079     void setErrorState(QAbstractState *state);
    00080
    00081     void addTransition(QAbstractTransition *transition);
    00082     QSignalTransition *addTransition(QObject *sender, const char *signal, QAbstractState *target);
    00083     QAbstractTransition *addTransition(QAbstractState *target);
    00084     void removeTransition(QAbstractTransition *transition);
    00085     QList<QAbstractTransition*> transitions() const;
    00086
    00087     QAbstractState *initialState() const;
    00088     void setInitialState(QAbstractState *state);
    00089
    00090     ChildMode childMode() const;
    00091     void setChildMode(ChildMode mode);
    00092
    00093 #ifndef QT_NO_PROPERTIES
    00094     void assignProperty(QObject *object, const char *name,
    00095                         const QVariant &value);
    00096 #endif
    00097
    00098 Q_SIGNALS:
    00099     void finished();
    00100     void propertiesAssigned();
    00101
    00102 protected:
    00103     void onEntry(QEvent *event);
    00104     void onExit(QEvent *event);
    00105
    00106     bool event(QEvent *e);
    00107
    00108 protected:
    00109     QState(QStatePrivate &dd, QState *parent);
    00110
    00111 private:
    00112     Q_DISABLE_COPY(QState)
    00113     Q_DECLARE_PRIVATE(QState)
    00114 };
    00115
    00116 #endif //QT_NO_STATEMACHINE
    00117
    00118 QT_END_NAMESPACE
    00119
    00120 QT_END_HEADER
    00121
    00122 #endif