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tableWidget itemChanged signal

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  • K Offline
    K Offline
    Kris Revi
    wrote on last edited by
    #1
            connect(ui->tableWidgetDeviceList, &QTableWidget::itemChanged, [=](QTableWidgetItem * item)
            {
                if (item->column() == 1)
                {
                    qDebug() << "Device Name Was Changed";
                    qDebug() << "Name : " << item->text();
                }
                else if (item->column() == 2)
                {
                    qDebug() << "Device IP Was Changed";
                    qDebug() << "IP : " << item->text();
                }
            });
    

    when i change text in 1 cell i get this in output

    Device IP Was Changed
    IP :  "studiolightstest"
    Device IP Was Changed
    IP :  "studiolightstest"
    Device IP Was Changed
    IP :  "studiolightstest"
    Device IP Was Changed
    IP :  "studiolightstest"
    Device IP Was Changed
    IP :  "studiolightstest"
    Device IP Was Changed
    IP :  "studiolightstest"
    Device IP Was Changed
    IP :  "studiolightstest"
    Device IP Was Changed
    IP :  "studiolightstest"
    

    So i have 8 "Devices" listed in the tableWidget but everytime i change text for any column it prints out 8 times why?

    Christian EhrlicherC 1 Reply Last reply
    0
    • K Kris Revi
              connect(ui->tableWidgetDeviceList, &QTableWidget::itemChanged, [=](QTableWidgetItem * item)
              {
                  if (item->column() == 1)
                  {
                      qDebug() << "Device Name Was Changed";
                      qDebug() << "Name : " << item->text();
                  }
                  else if (item->column() == 2)
                  {
                      qDebug() << "Device IP Was Changed";
                      qDebug() << "IP : " << item->text();
                  }
              });
      

      when i change text in 1 cell i get this in output

      Device IP Was Changed
      IP :  "studiolightstest"
      Device IP Was Changed
      IP :  "studiolightstest"
      Device IP Was Changed
      IP :  "studiolightstest"
      Device IP Was Changed
      IP :  "studiolightstest"
      Device IP Was Changed
      IP :  "studiolightstest"
      Device IP Was Changed
      IP :  "studiolightstest"
      Device IP Was Changed
      IP :  "studiolightstest"
      Device IP Was Changed
      IP :  "studiolightstest"
      

      So i have 8 "Devices" listed in the tableWidget but everytime i change text for any column it prints out 8 times why?

      Christian EhrlicherC Offline
      Christian EhrlicherC Offline
      Christian Ehrlicher
      Lifetime Qt Champion
      wrote on last edited by
      #2

      @Kris-Revi said in tableWidget itemChanged signal:

      it prints out 8 times why?

      Because you did the connect 8 times maybe?

      Qt Online Installer direct download: https://download.qt.io/official_releases/online_installers/
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      K 1 Reply Last reply
      1
      • Christian EhrlicherC Christian Ehrlicher

        @Kris-Revi said in tableWidget itemChanged signal:

        it prints out 8 times why?

        Because you did the connect 8 times maybe?

        K Offline
        K Offline
        Kris Revi
        wrote on last edited by
        #3

        @Christian-Ehrlicher exactly! xD

        1 Reply Last reply
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