void GraphicsScene::mousePressEvent(QGraphicsSceneMouseEvent *event){
QGraphicsItem *activeItem = itemAt(event->scenePos().x(),event->scenePos().y(),transform);
if (activeItem != 0 and ((CustomItem*)activeItem)->isClickable()){
QGraphicsItem *selection = itemAt(event->scenePos().x(),event->scenePos().y(),transform);
if(((CustomItem*)selection)->getName() == std::string("Dot")){
selectionActive = true;
selectedDot = ((Dot*)selection);
}
}
else{
if (event->button() == Qt::LeftButton){
QGraphicsItem *newDot = new Dot(event->scenePos(),dotRadius,Qt::white);
addItem(newDot);
connectToNearest(((Dot*)newDot));
totalCost = calculateCost();
emit costChanged(totalCost);
}
else{
QGraphicsItem *newDot = new Dot(event->scenePos(),dotRadius,Qt::red);
addItem(newDot);
((Dot*)newDot)->makeCenter();
centersPointers.append(((Dot*)newDot));
updateConnections();
totalCost = calculateCost();
emit costChanged(totalCost);
}
}
update(QRectF(-50,-50,1000,1000));
}
void GraphicsScene::mouseMoveEvent(QGraphicsSceneMouseEvent * event){
if (selectionActive){
selectedDot->setPos(event->scenePos());
if (selectedDot->isCenter()){
updateConnections();
}
else{
removeItem(((QGraphicsItem*)selectedDot->getConnection()));
connectToNearest(selectedDot);
}
totalCost = calculateCost();
emit costChanged(totalCost);
update(QRectF(-50,-50,1000,1000));
}
}
void GraphicsScene::mouseDoubleClickEvent(QGraphicsSceneMouseEvent * event){
QGraphicsItem *selection = itemAt(event->scenePos().x(),event->scenePos().y(),transform);
if(((CustomItem*)selection)->getName() == std::string("Dot")){
if(((Dot*)selection)->isCenter()){
removeCenter(((Dot*)selection));
updateConnections();
}
else{
removeItem((QGraphicsItem*)((Dot*)selection)->getConnection());
removeItem(selection);
}
totalCost = calculateCost();
emit costChanged(totalCost);
update(QRectF(-50,-50,1000,1000));
}
}
void MenuItem::fireCostChanged() {
costChanged(cost());
marginChanged(margin());
}
void Cost::setCost(double cost)
{
_cost = cost;
emit costChanged();
}
