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# qabstracttransition.h

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    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 QABSTRACTTRANSITION_H
    00043 #define QABSTRACTTRANSITION_H
    00044
    00045 #include <QtCore/qobject.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 QEvent;
    00058 class QAbstractState;
    00059 class QState;
    00060 class QStateMachine;
    00061
    00062 #ifndef QT_NO_ANIMATION
    00063 class QAbstractAnimation;
    00064 #endif
    00065
    00066 class QAbstractTransitionPrivate;
    00067 class Q_CORE_EXPORT QAbstractTransition : public QObject
    00068 {
    00069     Q_OBJECT
    00070     Q_PROPERTY(QState* sourceState READ sourceState)
    00071     Q_PROPERTY(QAbstractState* targetState READ targetState WRITE setTargetState)
    00072     Q_PROPERTY(QList<QAbstractState*> targetStates READ targetStates WRITE setTargetStates)
    00073 public:
    00074     QAbstractTransition(QState *sourceState = 0);
    00075     virtual ~QAbstractTransition();
    00076
    00077     QState *sourceState() const;
    00078     QAbstractState *targetState() const;
    00079     void setTargetState(QAbstractState* target);
    00080     QList<QAbstractState*> targetStates() const;
    00081     void setTargetStates(const QList<QAbstractState*> &targets);
    00082
    00083     QStateMachine *machine() const;
    00084
    00085 #ifndef QT_NO_ANIMATION
    00086     void addAnimation(QAbstractAnimation *animation);
    00087     void removeAnimation(QAbstractAnimation *animation);
    00088     QList<QAbstractAnimation*> animations() const;
    00089 #endif
    00090
    00091 Q_SIGNALS:
    00092 #if !defined(Q_MOC_RUN) && !defined(qdoc)
    00093 private: // can only be emitted by QAbstractTransition
    00094 #endif
    00095     void triggered();
    00096
    00097 protected:
    00098     virtual bool eventTest(QEvent *event) = 0;
    00099
    00100     virtual void onTransition(QEvent *event) = 0;
    00101
    00102     bool event(QEvent *e);
    00103
    00104 protected:
    00105     QAbstractTransition(QAbstractTransitionPrivate &dd, QState *parent);
    00106
    00107 private:
    00108     Q_DISABLE_COPY(QAbstractTransition)
    00109     Q_DECLARE_PRIVATE(QAbstractTransition)
    00110 };
    00111
    00112 #endif //QT_NO_STATEMACHINE
    00113
    00114 QT_END_NAMESPACE
    00115
    00116 QT_END_HEADER
    00117
    00118 #endif