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fullscreen button for particular widget

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

    Hello!! I am trying to create a media player using Qt.I want to place a button for fullscreen mode.When I use the below code fullscreen works perfectly.

    QWidget::showMaximized();
    

    But I want to show only video widget like in the case of Vlc player.When I change my code to

    ui->video->showMaximized();
    

    the above code no error occurs but its not working at all(assuming I have a widget named 'video').So,how can I create a pushbutton for maximizing a particular widget only.(In my case video widget)?Thanks!

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi,

      Any chance that ui-video is inside a layout ?

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      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

      A 1 Reply Last reply
      1
      • Chris KawaC Offline
        Chris KawaC Offline
        Chris Kawa
        Lifetime Qt Champion
        wrote on last edited by Chris Kawa
        #3

        You can only make windows fullscreen, so you need to first make your widget a window:

        ui->video->setWindowFlags(Qt::Window);
        ui->video->showMaximized();
        

        and to go back make it a widget again:

        ui->video->setWindowFlags(Qt::Widget);
        ui->video->show();
        
        1 Reply Last reply
        2
        • SGaistS SGaist

          Hi,

          Any chance that ui-video is inside a layout ?

          A Offline
          A Offline
          abhay
          wrote on last edited by
          #4

          @SGaist yeah it's inside a horizontal layout.

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