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QLabel Addition to layout

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  • J Offline
    J Offline
    jss193
    wrote on last edited by
    #1

    Hello everybody,

    I have created a table where if I add an item it creates a row in table and a new qlabel such as:

    void MainWindow::on_pushButton_clicked()
    {
        model->insertRows(0,1);
    
    
        QSpacerItem *item = new QSpacerItem(1,1,QSizePolicy::Expanding,QSizePolicy::Fixed);
        ui->horizontalLayout_2->addSpacerItem(item);
        for(int i =0;i<1;i++){
            QLabel *label1 = new QLabel("NOTE");
            ui->horizontalLayout_2->insertWidget(i,label1);
    
        }
    
    }
    

    But I want to know 2 things:

    1. how can I have access to second qlabel added, I mean, what is its name? label1, label2....to get acces to any of them

    2. When I add too many qlabels they supperpose each other, how do I readapt its size?

    Thanks!

    1 Reply Last reply
    0
    • mrjjM Offline
      mrjjM Offline
      mrjj
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi
      A plain layout cannot scroll. so if labels have no minimum size set. then at some point, they will be compressed.
      You can use a QScrollArea for a widget that can scroll the Labels.

      However, why do you not use something like QListWidget that is a scroll list of Texts, ready to be edited if you want.

      1 Reply Last reply
      2
      • J Offline
        J Offline
        jss193
        wrote on last edited by
        #3

        @mrjj said in QLabel Addition to layout:

        QScrollArea

        Thanks, I tried but do not know how to add new qlabels by pressing button
        ui->scrollArea->setWidgetResizable(true);
        ui->scrollArea->setWidget(label1);

        mrjjM 1 Reply Last reply
        0
        • J jss193

          @mrjj said in QLabel Addition to layout:

          QScrollArea

          Thanks, I tried but do not know how to add new qlabels by pressing button
          ui->scrollArea->setWidgetResizable(true);
          ui->scrollArea->setWidget(label1);

          mrjjM Offline
          mrjjM Offline
          mrjj
          Lifetime Qt Champion
          wrote on last edited by
          #4

          @jss193
          Hi
          you apply layout to ScollArea and add the Labels to the layout.

          J 1 Reply Last reply
          2
          • mrjjM mrjj

            @jss193
            Hi
            you apply layout to ScollArea and add the Labels to the layout.

            J Offline
            J Offline
            jss193
            wrote on last edited by
            #5

            @mrjj how do I apply it, I have never seen it before...

            Thanks

            1 Reply Last reply
            0
            • SGaistS Offline
              SGaistS Offline
              SGaist
              Lifetime Qt Champion
              wrote on last edited by
              #6

              Hi,

              Did you saw the documentation of QScrollArea and its example ?

              Interested in AI ? www.idiap.ch
              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

              1 Reply Last reply
              1

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