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How To Make A QGraphics Item Double clickable? (total newbie)

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#include “dialog.h” #include “ui_dialog.h” #include <QGraphicsRectItem> Dialog::Dialog(QWidget *parent) : QDialog(parent), ui(new Ui::Dialog) { ui->setupUi(this); scene = new QGraphicsScene; ui->graphicsView->setScene(scene); QBrush blueBrush(Qt::blue); QPen blackPen(Qt::black); blackPen.setWidth(6); rectangle = scene->addRect(-100, -100, 50, 50, blackPen, blueBrush ); rectangle->setFlag(QGraphicsRectItem::ItemIsMovable); // I’d like to connect a double click on my rectangle to a function, but don’t have a CLUE how! // // some connect function here: doubleclick on rectangle calls open_modal } void Dialog::open_modal() { //do stuff }

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