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-rw-r--r--examples/widgets/statemachine/pingpong/main.cpp149
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diff --git a/examples/widgets/statemachine/pingpong/main.cpp b/examples/widgets/statemachine/pingpong/main.cpp
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--- a/examples/widgets/statemachine/pingpong/main.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, you may use this file under the terms of the BSD license
-** as follows:
-**
-** "Redistribution and use in source and binary forms, with or without
-** modification, are permitted provided that the following conditions are
-** met:
-** * Redistributions of source code must retain the above copyright
-** notice, this list of conditions and the following disclaimer.
-** * Redistributions in binary form must reproduce the above copyright
-** notice, this list of conditions and the following disclaimer in
-** the documentation and/or other materials provided with the
-** distribution.
-** * Neither the name of The Qt Company Ltd nor the names of its
-** contributors may be used to endorse or promote products derived
-** from this software without specific prior written permission.
-**
-**
-** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QtCore>
-#include <stdio.h>
-
-//! [0]
-class PingEvent : public QEvent
-{
-public:
- PingEvent() : QEvent(QEvent::Type(QEvent::User+2))
- {}
-};
-
-class PongEvent : public QEvent
-{
-public:
- PongEvent() : QEvent(QEvent::Type(QEvent::User+3))
- {}
-};
-//! [0]
-
-//! [1]
-class Pinger : public QState
-{
-public:
- Pinger(QState *parent)
- : QState(parent) {}
-
-protected:
- void onEntry(QEvent *) override
- {
- machine()->postEvent(new PingEvent());
- fprintf(stdout, "ping?\n");
- }
-};
-//! [1]
-
-//! [3]
-class PongTransition : public QAbstractTransition
-{
-public:
- PongTransition() {}
-
-protected:
- bool eventTest(QEvent *e) override {
- return (e->type() == QEvent::User+3);
- }
- void onTransition(QEvent *) override
- {
- machine()->postDelayedEvent(new PingEvent(), 500);
- fprintf(stdout, "ping?\n");
- }
-};
-//! [3]
-
-//! [2]
-class PingTransition : public QAbstractTransition
-{
-public:
- PingTransition() {}
-
-protected:
- bool eventTest(QEvent *e) override {
- return (e->type() == QEvent::User+2);
- }
- void onTransition(QEvent *) override
- {
- machine()->postDelayedEvent(new PongEvent(), 500);
- fprintf(stdout, "pong!\n");
- }
-};
-//! [2]
-
-//! [4]
-int main(int argc, char **argv)
-{
- QCoreApplication app(argc, argv);
-
- QStateMachine machine;
- QState *group = new QState(QState::ParallelStates);
- group->setObjectName("group");
-//! [4]
-
-//! [5]
- Pinger *pinger = new Pinger(group);
- pinger->setObjectName("pinger");
- pinger->addTransition(new PongTransition());
-
- QState *ponger = new QState(group);
- ponger->setObjectName("ponger");
- ponger->addTransition(new PingTransition());
-//! [5]
-
-//! [6]
- machine.addState(group);
- machine.setInitialState(group);
- machine.start();
-
- return app.exec();
-}
-//! [6]