DescriptorWidget.cpp

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#include "DescriptorWidget.h"
#include "DescriptorWidget.moc"

#include <iostream>

DescriptorWidget::DescriptorWidget(QWidget *parent):
    QGraphicsView(parent),
    m_items(0)
{
    m_scene = new QGraphicsScene(this);
    setScene(m_scene);
    setCacheMode(CacheBackground);
    setViewportUpdateMode(BoundingRectViewportUpdate);
    setRenderHint(QPainter::Antialiasing);
}
        
void DescriptorWidget::addDescriptor(QGraphicsItem * item){
    if(!item) return;
    QRectF bounding = item->boundingRect();
    float adjust = 10;
    float width = adjust + bounding.width()/2;
    float height = adjust + bounding.height()/2;
    if(!m_items.size()){
        item->setPos(width, height);
    } else {
        QPointF position = m_items.back()->pos();
        item->setPos(position.x() + width * 2, height);
    }
    m_items.push_back(item);
    m_scene->addItem(item);
    update();
}

void DescriptorWidget::clear(){
    if(m_scene) delete m_scene;
    m_scene = new QGraphicsScene(this);
    setScene(m_scene);
    setCacheMode(CacheBackground);
    setViewportUpdateMode(BoundingRectViewportUpdate);
    setRenderHint(QPainter::Antialiasing);
/*    foreach(QGraphicsItem * item, m_items){
        m_scene->removeItem(item);
        delete item;
    }*/ 
    m_items.clear();
//     scene->set
}
        
void DescriptorWidget::mousePressEvent(QMouseEvent *event){
    const QGraphicsItem * selected = itemAt(event->pos());
    int index = findDescriptor(selected);
    if(index > -1) emit descriptorSelected(index);
}
        
int DescriptorWidget::findDescriptor(const QGraphicsItem * item){
    int index = -1;
    for(int i = 0; i < m_items.size(); i++){
        if(m_items[i] == item){
            index = i;
            break;
        }
    }
    return index;
}

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flirtlib
Author(s): Bhaskara Marthi, Gian Diego Tipaldi
autogenerated on Fri Jan 11 11:15:28 2013