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How to include one widget in another?

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  • A Offline
    A Offline
    aurora
    wrote on 2 Nov 2011, 09:05 last edited by
    #1

    I created two widget one by command another by Qt form designer. The code as shown below. When i execute two separates forms displays....What changes do i need to do, so that one form displays inside another form as single widget?

    fileopen.cpp
    @
    fileopen::fileopen(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::fileopen),
    m_layout( new QVBoxLayout() )
    {

    QPushButton* add = new QPushButton("Add");
    
    connect(add, SIGNAL(clicked()), this, SLOT(addRow()));
    

    m_layout->addWidget(add);
    m_layout->setAlignment(Qt::AlignTop);

    QWidget* w = new QWidget();
    w->setLayout(m_layout);
    

    w->show();

    ui->setupUi(this);
    

    }
    @

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    • F Offline
      F Offline
      Franzk
      wrote on 2 Nov 2011, 09:10 last edited by
      #2

      I think you need:
      @
      this->setCentralWidget(w);

      • ui->setupUi(this);
      • ui->setupUi(this->centralWidget());

      }
      @

      "Horse sense is the thing a horse has which keeps it from betting on people." -- W.C. Fields

      http://www.catb.org/~esr/faqs/smart-questions.html

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      • A Offline
        A Offline
        aurora
        wrote on 2 Nov 2011, 09:31 last edited by
        #3

        [quote author="Franzk" date="1320225013"]I think you need:
        @
        this->setCentralWidget(w);

        • ui->setupUi(this);
        • ui->setupUi(this->centralWidget());

        }
        @[/quote]

        hmmm...sorry got a compiler error saying that..:
        error: invalid conversion from 'QWidget*' to 'QMainWindow*'
        error: initializing argument 1 of 'void Ui_fileopen::setupUi(QMainWindow*)'

        both error message pointing ui->setupUi(this->centralWidget());

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        • A Offline
          A Offline
          andre
          wrote on 2 Nov 2011, 09:32 last edited by
          #4

          You need to set the parent argument to the widget you want have the new widget contained in. If you use a layout correctly, then that is what happens as well. In your current code, w has a layout, but is not in a layout.

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          • F Offline
            F Offline
            Franzk
            wrote on 2 Nov 2011, 09:42 last edited by
            #5

            Ah right, I think I misunderstood the issue.

            "Horse sense is the thing a horse has which keeps it from betting on people." -- W.C. Fields

            http://www.catb.org/~esr/faqs/smart-questions.html

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            • F Offline
              F Offline
              Franzk
              wrote on 2 Nov 2011, 09:51 last edited by
              #6

              Just as an extra remark, I think I would create a separate widget for the central area. It could depend on the type of application though.

              "Horse sense is the thing a horse has which keeps it from betting on people." -- W.C. Fields

              http://www.catb.org/~esr/faqs/smart-questions.html

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