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Is it ok to move QWidget outside screen?

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  • T Offline
    T Offline
    TomNow99
    wrote on last edited by
    #1

    Hi,

    Sometimes I would like to move my QWidget outside the screen for example widget->move(-500,-500). Is is safe and my app will not be crashed? The same question about QPainter and drawText begin at position (-300,-300).

    jsulmJ 1 Reply Last reply
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    • T TomNow99

      Hi,

      Sometimes I would like to move my QWidget outside the screen for example widget->move(-500,-500). Is is safe and my app will not be crashed? The same question about QPainter and drawText begin at position (-300,-300).

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

      @TomNow99 said in Is it ok to move QWidget outside screen?:

      Is is safe and my app will not be crashed?

      You can simply try. But it should not crash because of this. drawText() should also be fine, but I never tested what happens if drawing with negative x/y values.

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

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      • O Offline
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        ollarch
        wrote on last edited by
        #3

        If you want to hide your widget you could simply call hide on that widget.

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        • T Offline
          T Offline
          TomNow99
          wrote on last edited by
          #4

          @jsulm I tried it and my app will not crash. But maybe I don't know about something important.

          @ollarch Sometimes I would like to have a part o QWidget on the screen and the rest outside screen.

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          • A Offline
            A Offline
            Asperamanca
            wrote on last edited by
            #5

            Consider that some graphics drivers may just shove the widget back into visible space.

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