mirror of
https://github.com/RetroShare/RetroShare.git
synced 2025-06-07 14:12:43 -04:00
100cf75439
* improved NetworkView to show signatures, and friends. I expect these will be cleaned up later - these were purely functional so i could test pgp. Enable using RS_USE_PGPSSL in rsiface/rsinit.h git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@1266 b45a01b8-16f6-495d-af2f-9b41ad6348cc
331 lines
8.5 KiB
C++
331 lines
8.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2006-2007 Trolltech ASA. All rights reserved.
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**
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** This file is part of the example classes of the Qt Toolkit.
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**
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** This file may be used under the terms of the GNU General Public
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** License version 2.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of
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** this file. Please review the following information to ensure GNU
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** General Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/
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**
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** In addition, as a special exception, Trolltech gives you certain
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** additional rights. These rights are described in the Trolltech GPL
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** Exception version 1.0, which can be found at
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** http://www.trolltech.com/products/qt/gplexception/ and in the file
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** GPL_EXCEPTION.txt in this package.
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**
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** In addition, as a special exception, Trolltech, as the sole copyright
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** holder for Qt Designer, grants users of the Qt/Eclipse Integration
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** plug-in the right for the Qt/Eclipse Integration to link to
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** functionality provided by Qt Designer and its related libraries.
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**
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** Trolltech reserves all rights not expressly granted herein.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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****************************************************************************/
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#include <QGraphicsScene>
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#include <QGraphicsSceneMouseEvent>
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#include <QPainter>
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#include <QStyleOption>
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#include <QMenu>
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#include "edge.h"
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#include "arrow.h"
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#include "node.h"
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#include "graphwidget.h"
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#include <math.h>
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#include "rsiface/rspeers.h"
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Node::Node(GraphWidget *graphWidget, uint32_t t, std::string id_in, std::string n)
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: graph(graphWidget), ntype(t), id(id_in), name(n),
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mDeterminedBB(false)
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{
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setFlag(ItemIsMovable);
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setZValue(1);
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}
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void Node::addEdge(Edge *edge)
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{
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edgeList << edge;
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edge->adjust();
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}
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QList<Edge *> Node::edges() const
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{
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return edgeList;
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}
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void Node::addArrow(Arrow *arrow)
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{
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arrowList << arrow;
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arrow->adjust();
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}
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QList<Arrow *> Node::arrows() const
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{
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return arrowList;
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}
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void Node::calculateForces()
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{
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if (!scene() || scene()->mouseGrabberItem() == this) {
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newPos = pos();
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return;
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}
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// Sum up all forces pushing this item away
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qreal xvel = 0;
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qreal yvel = 0;
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foreach (QGraphicsItem *item, scene()->items()) {
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Node *node = qgraphicsitem_cast<Node *>(item);
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if (!node)
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continue;
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QLineF line(mapFromItem(node, 0, 0), QPointF(0, 0));
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qreal dx = line.dx();
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qreal dy = line.dy();
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double l = 2.0 * (dx * dx + dy * dy);
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if (l > 0) {
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xvel += (dx * 150.0) / l;
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yvel += (dy * 150.0) / l;
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}
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}
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// Now subtract all forces pulling items together
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double weight = sqrt(edgeList.size() + 1) * 10;
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foreach (Edge *edge, edgeList) {
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QPointF pos;
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if (edge->sourceNode() == this)
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pos = mapFromItem(edge->destNode(), 0, 0);
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else
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pos = mapFromItem(edge->sourceNode(), 0, 0);
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xvel += pos.x() / weight;
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yvel += pos.y() / weight;
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}
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// Now subtract all forces pulling items together
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// alternative weight??
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weight = sqrt(arrowList.size() + 1) * 10;
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foreach (Arrow *arrow, arrowList) {
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QPointF pos;
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if (arrow->sourceNode() == this)
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pos = mapFromItem(arrow->destNode(), 0, 0);
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else
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pos = mapFromItem(arrow->sourceNode(), 0, 0);
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xvel += pos.x() / weight;
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yvel += pos.y() / weight;
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}
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// push away from edges too.
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QRectF sceneRect = scene()->sceneRect();
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int mid_x = (sceneRect.left() + sceneRect.right()) / 2;
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int mid_y = (sceneRect.top() + sceneRect.bottom()) / 2;
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if (qAbs(xvel) < 0.1 && qAbs(yvel) < 0.1)
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xvel = yvel = 0;
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newPos = pos() + QPointF(xvel, yvel);
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newPos.setX(qMin(qMax(newPos.x(), sceneRect.left() + 10), sceneRect.right() - 10));
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newPos.setY(qMin(qMax(newPos.y(), sceneRect.top() + 10), sceneRect.bottom() - 10));
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if (ntype == ELASTIC_NODE_TYPE_OWN)
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{
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/* own one always goes in the middle */
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newPos.setX(mid_x);
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newPos.setY(mid_y);
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}
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}
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bool Node::advance()
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{
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if (newPos == pos())
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return false;
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setPos(newPos);
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return true;
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}
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QRectF Node::boundingRect() const
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{
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qreal adjust = 2;
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/* add in the size of the text */
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qreal realwidth = 40;
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if (mDeterminedBB)
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{
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realwidth = mBBWidth + adjust;
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}
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if (realwidth < 23 + adjust)
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{
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realwidth = 23 + adjust;
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}
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return QRectF(-10 - adjust, -10 - adjust,
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realwidth, 23 + adjust);
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// 23 + adjust, 23 + adjust);
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}
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//QPainterPath Node::shape() const
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//{
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// QPainterPath path;
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// path.addEllipse(-10, -10, 20, 20);
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// return path;
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//}
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void Node::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
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{
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painter->setPen(Qt::NoPen);
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painter->setBrush(Qt::darkGray);
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painter->drawEllipse(-7, -7, 20, 20);
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QColor col0, col1;
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if (ntype == ELASTIC_NODE_TYPE_OWN)
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{
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col0 = QColor(Qt::yellow);
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col1 = QColor(Qt::darkYellow);
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}
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else if (ntype == ELASTIC_NODE_TYPE_FRIEND)
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{
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col0 = QColor(Qt::green);
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col1 = QColor(Qt::darkGreen);
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}
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else if (ntype == ELASTIC_NODE_TYPE_AUTHED)
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{
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//col0 = QColor(Qt::cyan);
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//col1 = QColor(Qt::darkCyan);
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//col0 = QColor(Qt::blue);
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col0 = QColor(Qt::cyan);
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col1 = QColor(Qt::darkBlue);
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}
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else if (ntype == ELASTIC_NODE_TYPE_MARGINALAUTH)
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{
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col0 = QColor(Qt::magenta);
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col1 = QColor(Qt::darkMagenta);
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}
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else
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{
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col0 = QColor(Qt::red);
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col1 = QColor(Qt::darkRed);
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}
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QRadialGradient gradient(-3, -3, 10);
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if (option->state & QStyle::State_Sunken) {
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gradient.setCenter(3, 3);
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gradient.setFocalPoint(3, 3);
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gradient.setColorAt(1, col0.light(120));
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gradient.setColorAt(0, col1.light(120));
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} else {
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gradient.setColorAt(0, col0);
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gradient.setColorAt(1, col1);
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}
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painter->setBrush(gradient);
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painter->setPen(QPen(Qt::black, 0));
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painter->drawEllipse(-10, -10, 20, 20);
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painter->drawText(-10, 0, QString::fromStdString(name));
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if (!mDeterminedBB)
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{
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QRect textBox = painter->boundingRect(-10, 0, 400, 20, 0, QString::fromStdString(name));
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mBBWidth = textBox.width();
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mDeterminedBB = true;
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}
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}
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QVariant Node::itemChange(GraphicsItemChange change, const QVariant &value)
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{
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switch (change) {
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case ItemPositionHasChanged:
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foreach (Edge *edge, edgeList)
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edge->adjust();
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graph->itemMoved();
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break;
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default:
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break;
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};
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return QGraphicsItem::itemChange(change, value);
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}
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void Node::mousePressEvent(QGraphicsSceneMouseEvent *event)
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{
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update();
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QGraphicsItem::mousePressEvent(event);
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}
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void Node::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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update();
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QGraphicsItem::mouseReleaseEvent(event);
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}
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void Node::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
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{
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RsPeerDetails details;
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if (!rsPeers->getPeerDetails(id, details))
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{
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event->accept();
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return;
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}
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/* no events for self */
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if (ntype == ELASTIC_NODE_TYPE_OWN)
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{
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event->accept();
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return;
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}
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QString menuTitle = "Menu for ";
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menuTitle += QString::fromStdString(details.name);
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QMenu menu;
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QAction *titleAction = menu.addAction(menuTitle);
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titleAction->setEnabled(false);
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switch(ntype)
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{
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case ELASTIC_NODE_TYPE_OWN:
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{
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break;
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}
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case ELASTIC_NODE_TYPE_FRIEND:
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{
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//QAction *rmAction = menu.addAction("Remove Friend");
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//QAction *chatAction = menu.addAction("Chat");
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//QAction *msgAction = menu.addAction("Msg");
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break;
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}
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case ELASTIC_NODE_TYPE_AUTHED:
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{
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//QAction *addAction = menu.addAction("Add Friend");
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break;
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}
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case ELASTIC_NODE_TYPE_MARGINALAUTH:
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{
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//QAction *makeAction = menu.addAction("Make Friend");
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break;
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}
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default:
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case ELASTIC_NODE_TYPE_FOF:
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{
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//QAction *makeAction = menu.addAction("Make Friend");
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break;
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}
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}
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QAction *selectedAction = menu.exec(event->screenPos());
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}
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