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#include <QApplication>

#include "diagramwindow.h"

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    DiagramWindow view;
    view.show();
    return app.exec();
}

DiagramWindow::DiagramWindow()
{
    scene = new QGraphicsScene(-200, -200, 400, 400);
    
    view = new QGraphicsView;
    view->setScene(scene);
    view->setDragMode(QGraphicsView::RubberBandDrag);
    view->setRenderHints(QPainter::Antialiasing
                         | QPainter::TextAntialiasing);
    view->setContextMenuPolicy(Qt::ActionsContextMenu);
    setCentralWidget(view);

    Node *node = new Node;
    node->setPos(0, 0);
    scene->addItem(node);

    setWindowTitle(tr("Diagram"));
}

#include "node.h"
#include <QPainter>

Node::Node()
{
    setFlags(ItemIsMovable | ItemIsSelectable);
}

QRectF Node::boundingRect() const
{
    return QRectF(-24,-24,48,48);
}

QPainterPath Node::shape() const
{
    QPainterPath path;
    path.addRect(-24, -24, 48, 48);
    return path;
}

void Node::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
{
    QPixmap pixmap = QPixmap("Hub.png");
    painter->drawPixmap(-24,-24,pixmap);
}