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Disabling user resizing for QDockWidget in QMainWindow

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  • A Offline
    A Offline
    aidaqt
    wrote on last edited by
    #1

    Hi,

    I want to forbid users to change the size of a DockWidgetArea. One manner is to make its contents fixed-size, but then if I want to resize() the QMainWindow I cant set the new size for the QDockWidget. How can I achieve this?

    Thanks in advance!

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    1
    • Chris KawaC Offline
      Chris KawaC Offline
      Chris Kawa
      Lifetime Qt Champion
      wrote on last edited by
      #2

      I'm not sure this is what you mean but you can control the max/min size of your dock inside the resize event of the main window.

      For example, if you want to keep the dock always 1/3 of the main window you can do something like this:
      @
      void MainWindow::resizeEvent(QResizeEvent * evt) {
      QMainWindow::resizeEvent(evt);
      ui->dockWidget->setMaximumWidth(evt->size().width() / 3);
      ui->dockWidget->setMinimumWidth(evt->size().width() / 3);
      }
      @

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      • A Offline
        A Offline
        aidaqt
        wrote on last edited by
        #3

        But how can I do to forbid the applications users to resize a QDockWidgetArea? I dont want it (if possible) and I dont want the cursors type to be changed from the normal arrow to the Qt::SplitVCursor for example

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        • Chris KawaC Offline
          Chris KawaC Offline
          Chris Kawa
          Lifetime Qt Champion
          wrote on last edited by
          #4

          There is no QDockWidgetArea. You can restrict size of the dock area content. If the content has fixed size (eg. by setting min and max to same value like I shown) the handle to resize won't appear. QMainWindow handles this for you.

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