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Trying to replace widget

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  • A Offline
    A Offline
    Alex Povolotsky
    wrote on last edited by
    #1

    Hello

    I've designed a main window in Designer (frame with button on top, frame with button on bottom, frame with placeholder between them).
    Now I want to replace central frame with a different widget (a widget with a vertical-centered progress bar, than, after setup, with a QCustomPlot).
    However, centralWidget->layout()->replaceWidget removes a widget without adding anything; attempt to add a widget into central widget (ui->areaHolder->layout()->addWidget(wb);) adds it somewhere under existing spacer.

    How do I replace a widget in Designer-generated UI?

    jsulmJ 1 Reply Last reply
    0
    • A Alex Povolotsky

      Hello

      I've designed a main window in Designer (frame with button on top, frame with button on bottom, frame with placeholder between them).
      Now I want to replace central frame with a different widget (a widget with a vertical-centered progress bar, than, after setup, with a QCustomPlot).
      However, centralWidget->layout()->replaceWidget removes a widget without adding anything; attempt to add a widget into central widget (ui->areaHolder->layout()->addWidget(wb);) adds it somewhere under existing spacer.

      How do I replace a widget in Designer-generated UI?

      jsulmJ Offline
      jsulmJ Offline
      jsulm
      Lifetime Qt Champion
      wrote on last edited by
      #2

      @Alex-Povolotsky Why do you need to replace the central widget? You can simply use the existing one. If you need to switch between different widgets you should use QTabWidget.

      https://forum.qt.io/topic/113070/qt-code-of-conduct

      1 Reply Last reply
      1
      • C Offline
        C Offline
        ChrisW67
        wrote on last edited by
        #3

        or QStackedWidget

        jsulmJ 1 Reply Last reply
        2
        • C ChrisW67

          or QStackedWidget

          jsulmJ Offline
          jsulmJ Offline
          jsulm
          Lifetime Qt Champion
          wrote on last edited by
          #4

          @ChrisW67 Oh, yes this is what I actually wanted to write :-)

          https://forum.qt.io/topic/113070/qt-code-of-conduct

          1 Reply Last reply
          0
          • A Offline
            A Offline
            Alex Povolotsky
            wrote on last edited by
            #5

            I did not quite get what I've done, but it works now.

            1 Reply Last reply
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