src/corelib/statemachine/qabstracttransition.h
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/corelib/statemachine/qabstracttransition.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,118 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 QABSTRACTTRANSITION_H
+#define QABSTRACTTRANSITION_H
+
+#include <QtCore/qobject.h>
+
+#include <QtCore/qlist.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Core)
+
+#ifndef QT_NO_STATEMACHINE
+
+class QEvent;
+class QAbstractState;
+class QState;
+class QStateMachine;
+
+#ifndef QT_NO_ANIMATION
+class QAbstractAnimation;
+#endif
+
+class QAbstractTransitionPrivate;
+class Q_CORE_EXPORT QAbstractTransition : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QState* sourceState READ sourceState)
+    Q_PROPERTY(QAbstractState* targetState READ targetState WRITE setTargetState)
+    Q_PROPERTY(QList<QAbstractState*> targetStates READ targetStates WRITE setTargetStates)
+public:
+    QAbstractTransition(QState *sourceState = 0);
+    virtual ~QAbstractTransition();
+
+    QState *sourceState() const;
+    QAbstractState *targetState() const;
+    void setTargetState(QAbstractState* target);
+    QList<QAbstractState*> targetStates() const;
+    void setTargetStates(const QList<QAbstractState*> &targets);
+
+    QStateMachine *machine() const;
+
+#ifndef QT_NO_ANIMATION
+    void addAnimation(QAbstractAnimation *animation);
+    void removeAnimation(QAbstractAnimation *animation);
+    QList<QAbstractAnimation*> animations() const;
+#endif
+
+Q_SIGNALS:
+#if !defined(Q_MOC_RUN) && !defined(qdoc)
+private: // can only be emitted by QAbstractTransition
+#endif
+    void triggered();
+
+protected:
+    virtual bool eventTest(QEvent *event) = 0;
+
+    virtual void onTransition(QEvent *event) = 0;
+
+    bool event(QEvent *e);
+
+protected:
+    QAbstractTransition(QAbstractTransitionPrivate &dd, QState *parent);
+
+private:
+    Q_DISABLE_COPY(QAbstractTransition)
+    Q_DECLARE_PRIVATE(QAbstractTransition)
+};
+
+#endif //QT_NO_STATEMACHINE
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif