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Diffstat (limited to 'src/corelib/statemachine/qstate.h')
-rw-r--r-- | src/corelib/statemachine/qstate.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/corelib/statemachine/qstate.h b/src/corelib/statemachine/qstate.h new file mode 100644 index 0000000000..654dda53b1 --- /dev/null +++ b/src/corelib/statemachine/qstate.h @@ -0,0 +1,122 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSTATE_H +#define QSTATE_H + +#include <QtCore/qabstractstate.h> + +#include <QtCore/qlist.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Core) + +#ifndef QT_NO_STATEMACHINE + +class QAbstractTransition; +class QSignalTransition; + +class QStatePrivate; +class Q_CORE_EXPORT QState : public QAbstractState +{ + Q_OBJECT + Q_PROPERTY(QAbstractState* initialState READ initialState WRITE setInitialState) + Q_PROPERTY(QAbstractState* errorState READ errorState WRITE setErrorState) + Q_PROPERTY(ChildMode childMode READ childMode WRITE setChildMode) + Q_ENUMS(ChildMode) +public: + enum ChildMode { + ExclusiveStates, + ParallelStates + }; + + QState(QState *parent = 0); + QState(ChildMode childMode, QState *parent = 0); + ~QState(); + + QAbstractState *errorState() const; + void setErrorState(QAbstractState *state); + + void addTransition(QAbstractTransition *transition); + QSignalTransition *addTransition(QObject *sender, const char *signal, QAbstractState *target); + QAbstractTransition *addTransition(QAbstractState *target); + void removeTransition(QAbstractTransition *transition); + QList<QAbstractTransition*> transitions() const; + + QAbstractState *initialState() const; + void setInitialState(QAbstractState *state); + + ChildMode childMode() const; + void setChildMode(ChildMode mode); + +#ifndef QT_NO_PROPERTIES + void assignProperty(QObject *object, const char *name, + const QVariant &value); +#endif + +Q_SIGNALS: + void finished(); + void propertiesAssigned(); + +protected: + void onEntry(QEvent *event); + void onExit(QEvent *event); + + bool event(QEvent *e); + +protected: + QState(QStatePrivate &dd, QState *parent); + +private: + Q_DISABLE_COPY(QState) + Q_DECLARE_PRIVATE(QState) +}; + +#endif //QT_NO_STATEMACHINE + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |