c++ - Qt Print Dialog reappears after Print button clicked -


i trying print graphic in qt.

the signals , slots connected follows : 

connectstat = connect(_ui->printbutton, signal(clicked()), this, slot(doprint()));

and slot follows:

... qgraphicsscene * m_scene; ... void graphdrawerwidget::doprint() {     qprinter printer;     if (qprintdialog(&printer).exec() == qdialog::accepted) {          printer.setorientation(qprinter::landscape);        qpainter painter(&printer);         painter.setrenderhint(qpainter::antialiasing);         m_scene->render(&painter);     } }

the print dialog appear, , can scene print clicking on print button. however, after this, print dialog showed again. doesn't matter if click print, cancel or window x button, still shows after click.

am possibly connecting signals/slots wrong?

found it! seems doing connect() in method called run() (graphdrawerwidget::run()) feeding data graphic.

this run() got called once each signal adding graphic, same slot connected multiple times.

i connecting in constructor , works fine.


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