BasicBlockWidget * widget = new BasicBlockWidget(s.str().c_str());
scene->addItem(widget);
widget->setFlag(QGraphicsItem::ItemIsMovable, true);
widget->moveBy(100*startx, 10*(block->getStartAddress() - starty));
dis->printEachInstruction(block->getStartAddress(), block->getEndAddress(),
BasicBlockWidget * widget = new BasicBlockWidget(s.str().c_str());
scene->addItem(widget);
widget->setFlag(QGraphicsItem::ItemIsMovable, true);
widget->moveBy(100*startx, 10*(block->getStartAddress() - starty));
dis->printEachInstruction(block->getStartAddress(), block->getEndAddress(),