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Diffstat (limited to 'examples/qt3d/graphicsview/graph.cpp')
-rw-r--r-- | examples/qt3d/graphicsview/graph.cpp | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/examples/qt3d/graphicsview/graph.cpp b/examples/qt3d/graphicsview/graph.cpp deleted file mode 100644 index 2aa28b10..00000000 --- a/examples/qt3d/graphicsview/graph.cpp +++ /dev/null @@ -1,130 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation ([email protected]) -** -** This file is part of the QtQuick3D examples 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 "graph.h" -#include "edge.h" -#include "node.h" -#include "scene.h" - -#include <QDebug> -#include <QGraphicsScene> - -#include <math.h> - -Graph::Graph(QObject *parent) - : QObject(parent), timerId(0) -{ - QGraphicsEmbedScene *scene = new Scene(this); - sceneObject = scene; - scene->setItemIndexMethod(QGraphicsScene::NoIndex); - scene->setSceneRect(-128, -128, 256, 256); - - Node *node1 = new Node(this); - Node *node2 = new Node(this); - Node *node3 = new Node(this); - Node *node4 = new Node(this); - centerNode = new Node(this); - Node *node6 = new Node(this); - Node *node7 = new Node(this); - Node *node8 = new Node(this); - Node *node9 = new Node(this); - scene->addItem(node1); - scene->addItem(node2); - scene->addItem(node3); - scene->addItem(node4); - scene->addItem(centerNode); - scene->addItem(node6); - scene->addItem(node7); - scene->addItem(node8); - scene->addItem(node9); - scene->addItem(new Edge(node1, node2)); - scene->addItem(new Edge(node2, node3)); - scene->addItem(new Edge(node2, centerNode)); - scene->addItem(new Edge(node3, node6)); - scene->addItem(new Edge(node4, node1)); - scene->addItem(new Edge(node4, centerNode)); - scene->addItem(new Edge(centerNode, node6)); - scene->addItem(new Edge(centerNode, node8)); - scene->addItem(new Edge(node6, node9)); - scene->addItem(new Edge(node7, node4)); - scene->addItem(new Edge(node8, node7)); - scene->addItem(new Edge(node9, node8)); - - node1->setPos(-50, -50); - node2->setPos(0, -50); - node3->setPos(50, -50); - node4->setPos(-50, 0); - centerNode->setPos(0, 0); - node6->setPos(50, 0); - node7->setPos(-50, 50); - node8->setPos(0, 50); - node9->setPos(50, 50); -} - -void Graph::itemMoved() -{ - if (!timerId) - timerId = startTimer(1000 / 25); -} - -void Graph::timerEvent(QTimerEvent *event) -{ - Q_UNUSED(event); - - QList<Node *> nodes; - foreach (QGraphicsItem *item, scene()->items()) { - if (Node *node = qgraphicsitem_cast<Node *>(item)) - nodes << node; - } - - foreach (Node *node, nodes) - node->calculateForces(); - - bool itemsMoved = false; - foreach (Node *node, nodes) { - if (node->advance()) - itemsMoved = true; - } - - if (!itemsMoved) { - killTimer(timerId); - timerId = 0; - } -} |