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Diffstat (limited to 'examples/animation/stickman/lifecycle.cpp')
-rw-r--r-- | examples/animation/stickman/lifecycle.cpp | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/examples/animation/stickman/lifecycle.cpp b/examples/animation/stickman/lifecycle.cpp deleted file mode 100644 index 53249ccd6f..0000000000 --- a/examples/animation/stickman/lifecycle.cpp +++ /dev/null @@ -1,217 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtCore module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** 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 Nokia Corporation and its Subsidiary(-ies) 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 "lifecycle.h" -#include "stickman.h" -#include "node.h" -#include "animation.h" -#include "graphicsview.h" - -#include <QtCore> -#include <QtWidgets> - -class KeyPressTransition: public QSignalTransition -{ -public: - KeyPressTransition(GraphicsView *receiver, Qt::Key key) - : QSignalTransition(receiver, SIGNAL(keyPressed(int))), m_key(key) - { - } - KeyPressTransition(GraphicsView *receiver, Qt::Key key, QAbstractState *target) - : QSignalTransition(receiver, SIGNAL(keyPressed(int))), m_key(key) - { - setTargetState(target); - } - - virtual bool eventTest(QEvent *e) - { - if (QSignalTransition::eventTest(e)) { - QVariant key = static_cast<QStateMachine::SignalEvent*>(e)->arguments().at(0); - return (key.toInt() == int(m_key)); - } - - return false; - } -private: - Qt::Key m_key; -}; - -//! [4] -class LightningStrikesTransition: public QEventTransition -{ -public: - LightningStrikesTransition(QAbstractState *target) - : QEventTransition(this, QEvent::Timer) - { - setTargetState(target); - qsrand((uint)QDateTime::currentDateTime().toTime_t()); - startTimer(1000); - } - - virtual bool eventTest(QEvent *e) - { - return QEventTransition::eventTest(e) && ((qrand() % 50) == 0); - } -}; -//! [4] - -LifeCycle::LifeCycle(StickMan *stickMan, GraphicsView *keyReceiver) - : m_stickMan(stickMan), m_keyReceiver(keyReceiver) -{ - // Create animation group to be used for all transitions - m_animationGroup = new QParallelAnimationGroup(); - const int stickManNodeCount = m_stickMan->nodeCount(); - for (int i=0; i<stickManNodeCount; ++i) { - QPropertyAnimation *pa = new QPropertyAnimation(m_stickMan->node(i), "pos"); - m_animationGroup->addAnimation(pa); - } - - // Set up initial state graph -//! [3] - m_machine = new QStateMachine(); - m_machine->addDefaultAnimation(m_animationGroup); -//! [3] - - m_alive = new QState(m_machine); - m_alive->setObjectName("alive"); - - // Make it blink when lightning strikes before entering dead animation - QState *lightningBlink = new QState(m_machine); - lightningBlink->assignProperty(m_stickMan->scene(), "backgroundBrush", Qt::white); - lightningBlink->assignProperty(m_stickMan, "penColor", Qt::black); - lightningBlink->assignProperty(m_stickMan, "fillColor", Qt::white); - lightningBlink->assignProperty(m_stickMan, "isDead", true); - -//! [5] - QTimer *timer = new QTimer(lightningBlink); - timer->setSingleShot(true); - timer->setInterval(100); - QObject::connect(lightningBlink, SIGNAL(entered()), timer, SLOT(start())); - QObject::connect(lightningBlink, SIGNAL(exited()), timer, SLOT(stop())); -//! [5] - - m_dead = new QState(m_machine); - m_dead->assignProperty(m_stickMan->scene(), "backgroundBrush", Qt::black); - m_dead->assignProperty(m_stickMan, "penColor", Qt::white); - m_dead->assignProperty(m_stickMan, "fillColor", Qt::black); - m_dead->setObjectName("dead"); - - // Idle state (sets no properties) - m_idle = new QState(m_alive); - m_idle->setObjectName("idle"); - - m_alive->setInitialState(m_idle); - - // Lightning strikes at random - m_alive->addTransition(new LightningStrikesTransition(lightningBlink)); -//! [0] - lightningBlink->addTransition(timer, SIGNAL(timeout()), m_dead); -//! [0] - - m_machine->setInitialState(m_alive); -} - -void LifeCycle::setDeathAnimation(const QString &fileName) -{ - QState *deathAnimation = makeState(m_dead, fileName); - m_dead->setInitialState(deathAnimation); -} - -void LifeCycle::start() -{ - m_machine->start(); -} - -void LifeCycle::addActivity(const QString &fileName, Qt::Key key, QObject *sender, const char *signal) -{ - QState *state = makeState(m_alive, fileName); - m_alive->addTransition(new KeyPressTransition(m_keyReceiver, key, state)); - - if((sender != NULL) || (signal != NULL)) { - m_alive->addTransition(sender, signal, state); - } -} - -QState *LifeCycle::makeState(QState *parentState, const QString &animationFileName) -{ - QState *topLevel = new QState(parentState); - - Animation animation; - { - QFile file(animationFileName); - if (file.open(QIODevice::ReadOnly)) - animation.load(&file); - } - - const int frameCount = animation.totalFrames(); - QState *previousState = 0; - for (int i=0; i<frameCount; ++i) { - animation.setCurrentFrame(i); - -//! [1] - QState *frameState = new QState(topLevel); - const int nodeCount = animation.nodeCount(); - for (int j=0; j<nodeCount; ++j) - frameState->assignProperty(m_stickMan->node(j), "pos", animation.nodePos(j)); -//! [1] - - frameState->setObjectName(QString::fromLatin1("frame %0").arg(i)); - if (previousState == 0) - topLevel->setInitialState(frameState); - else -//! [2] - previousState->addTransition(previousState, SIGNAL(propertiesAssigned()), frameState); -//! [2] - - previousState = frameState; - } - - // Loop - previousState->addTransition(previousState, SIGNAL(propertiesAssigned()), topLevel->initialState()); - - return topLevel; - -} - -LifeCycle::~LifeCycle() -{ - delete m_machine; - delete m_animationGroup; -} |