application::application(char* n) : name(0)
{
giveName(n);
}
void RectScene::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
QPointF pos = event->scenePos();
MyRect * item = dynamic_cast<MyRect *>(itemAt(pos,QTransform()));
switch (mode)
{
case Add:
{
buffer.push_back(pos);
if (buffer.size() == 2)
{
MyRect * newrect = new MyRect(buffer[0],buffer[1]);
addItem(newrect);
buffer.clear();
newrect->label = giveName(namePool++);
auto x = new QGraphicsTextItem(newrect->label,newrect);
x->setPos(newrect->rect().center());
treescene->tree->insert(newrect->entry);
update();
treescene->drawTree();
}
}
break;
case Remove:
{
if (item)
{
removeItem(item);
treescene->tree->deleteEntry(item->entry);
delete item;
update();
treescene->drawTree();
}
}
break;
case Search:
{
if (!insearch)
{
insearch = true;
buffer.push_back(pos);
}
else
{
insearch = false;
QRectF rect(pos,buffer[0]);
searchBuf.push_back(new QGraphicsRectItem(rect));
addItem(searchBuf.back());
deque<LeafEntry*> x = treescene->tree->searchOverlap(to2D(rect));
MyRect * rectpt;
int n = x.size();
for (int i = 0; i<n; ++i)
{
rectpt =(MyRect*) x[i]->data;
rectpt->setSelected(true);
}
buffer.clear();
}
}
break;
}
}
