diff options
Diffstat (limited to 'examples/statemachine/pingpong')
-rw-r--r-- | examples/statemachine/pingpong/main.cpp | 145 | ||||
-rw-r--r-- | examples/statemachine/pingpong/pingpong.pro | 11 |
2 files changed, 156 insertions, 0 deletions
diff --git a/examples/statemachine/pingpong/main.cpp b/examples/statemachine/pingpong/main.cpp new file mode 100644 index 0000000..331627e --- /dev/null +++ b/examples/statemachine/pingpong/main.cpp @@ -0,0 +1,145 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore> +#include <stdio.h> +#ifdef QT_STATEMACHINE_SOLUTION +#include <qstate.h> +#include <qstatemachine.h> +#include <qabstracttransition.h> +#endif + +//! [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: + virtual void onEntry(QEvent *) + { + machine()->postEvent(new PingEvent()); + fprintf(stdout, "ping?\n"); + } +}; +//! [1] + +//! [3] +class PongTransition : public QAbstractTransition +{ +public: + PongTransition() {} + +protected: + virtual bool eventTest(QEvent *e) { + return (e->type() == QEvent::User+3); + } + virtual void onTransition(QEvent *) + { + machine()->postEvent(new PingEvent(), 500); + fprintf(stdout, "ping?\n"); + } +}; +//! [3] + +//! [2] +class PingTransition : public QAbstractTransition +{ +public: + PingTransition() {} + +protected: + virtual bool eventTest(QEvent *e) { + return (e->type() == QEvent::User+2); + } + virtual void onTransition(QEvent *) + { + machine()->postEvent(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] diff --git a/examples/statemachine/pingpong/pingpong.pro b/examples/statemachine/pingpong/pingpong.pro new file mode 100644 index 0000000..42eab6c --- /dev/null +++ b/examples/statemachine/pingpong/pingpong.pro @@ -0,0 +1,11 @@ +QT = core +win32: CONFIG += console +mac:CONFIG -= app_bundle + +SOURCES = main.cpp + +# install +target.path = $$[QT_INSTALL_EXAMPLES]/statemachine/pingpong +sources.files = $$SOURCES $$HEADERS $$RESOURCES $$FORMS pingpong.pro +sources.path = $$[QT_INSTALL_EXAMPLES]/statemachine/pingpong +INSTALLS += target sources |