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Diffstat (limited to 'examples/animation/appchooser/main.cpp')
| -rw-r--r-- | examples/animation/appchooser/main.cpp | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/examples/animation/appchooser/main.cpp b/examples/animation/appchooser/main.cpp new file mode 100644 index 0000000..11a6fd6 --- /dev/null +++ b/examples/animation/appchooser/main.cpp @@ -0,0 +1,158 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** 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 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 http://qt.nokia.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore> +#include <QtGui> + + +class Pixmap : public QGraphicsWidget +{ + Q_OBJECT + +public: + Pixmap(const QPixmap &pix, QGraphicsItem *parent = 0) + : QGraphicsWidget(parent), orig(pix), p(pix) + { + } + + void paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) + { + painter->drawPixmap(QPointF(), p); + } + + virtual void mousePressEvent(QGraphicsSceneMouseEvent * ) + { + emit clicked(); + } + + virtual void setGeometry(const QRectF &rect) + { + QGraphicsWidget::setGeometry(rect); + + if (rect.size().width() > orig.size().width()) + p = orig.scaled(rect.size().toSize()); + else + p = orig; + } + +Q_SIGNALS: + void clicked(); + +private: + QPixmap orig; + QPixmap p; +}; + +void createStates(const QObjectList &objects, + const QRect &selectedRect, QState *parent) +{ + for (int i = 0; i < objects.size(); ++i) { + QState *state = new QState(parent); + state->assignProperty(objects.at(i), "geometry", selectedRect); + parent->addTransition(objects.at(i), SIGNAL(clicked()), state); + } +} + +void createAnimations(const QObjectList &objects, QStateMachine *machine) +{ + for (int i=0; i<objects.size(); ++i) + machine->addDefaultAnimation(new QPropertyAnimation(objects.at(i), "geometry")); +} + +int main(int argc, char **argv) +{ + Q_INIT_RESOURCE(appchooser); + + QApplication app(argc, argv); + + Pixmap *p1 = new Pixmap(QPixmap(":/digikam.png")); + Pixmap *p2 = new Pixmap(QPixmap(":/akregator.png")); + Pixmap *p3 = new Pixmap(QPixmap(":/accessories-dictionary.png")); + Pixmap *p4 = new Pixmap(QPixmap(":/k3b.png")); + + p1->setObjectName("p1"); + p2->setObjectName("p2"); + p3->setObjectName("p3"); + p4->setObjectName("p4"); + + p1->setGeometry(QRectF(0.0, 0.0, 64.0, 64.0)); + p2->setGeometry(QRectF(236.0, 0.0, 64.0, 64.0)); + p3->setGeometry(QRectF(236.0, 236.0, 64.0, 64.0)); + p4->setGeometry(QRectF(0.0, 236.0, 64.0, 64.0)); + + QGraphicsScene scene(0, 0, 300, 300); + scene.setBackgroundBrush(Qt::white); + scene.addItem(p1); + scene.addItem(p2); + scene.addItem(p3); + scene.addItem(p4); + + QGraphicsView window(&scene); + window.setFrameStyle(0); + window.setAlignment(Qt::AlignLeft | Qt::AlignTop); + window.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + window.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); + + QStateMachine machine; + machine.setGlobalRestorePolicy(QStateMachine::RestoreProperties); + + QState *group = new QState(&machine); + group->setObjectName("group"); + QRect selectedRect(86, 86, 128, 128); + + QState *idleState = new QState(group); + group->setInitialState(idleState); + + QObjectList objects; + objects << p1 << p2 << p3 << p4; + createStates(objects, selectedRect, group); + createAnimations(objects, &machine); + + machine.setInitialState(group); + machine.start(); + + window.resize(300, 300); + window.show(); + + return app.exec(); +} + +#include "main.moc" |