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  4. QLabel pixmap not affected by CSS property: border

QLabel pixmap not affected by CSS property: border

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  • Christian EhrlicherC Offline
    Christian EhrlicherC Offline
    Christian Ehrlicher
    Lifetime Qt Champion
    wrote on last edited by
    #2

    What do you actually do? I mean - how should we know what's wrong when you don't tell us what you're trying to achieve with what code...
    Also note that Qt doesn't support use CSS for styling but QSS which is only a minor subset of CSS.

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    • D Offline
      D Offline
      diniamo
      wrote on last edited by diniamo
      #3

      'QSS' code of the label:

      background-color: rgb(62, 62, 62);
      border: 1px solid rgb(255, 145, 0);
      border-radius: 26px;
      

      Without Pixmap:
      13688044-2e89-443c-bc8c-6b90f21083a5-image.png

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      • Christian EhrlicherC Offline
        Christian EhrlicherC Offline
        Christian Ehrlicher
        Lifetime Qt Champion
        wrote on last edited by
        #4

        The frame is painted before the pixmap so you have no other chance then doing the painting by yourself.

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        • D Offline
          D Offline
          diniamo
          wrote on last edited by
          #5

          How exactly would I do that?
          I can probably figure out most of it, I just need a starting point.

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #6

            Hi,

            Create a subclass of QLabel and overload the paintEvent method. There you call the base class implementation and after that, do your custom drawing on top of your image.

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            • D Offline
              D Offline
              diniamo
              wrote on last edited by diniamo
              #7

              That's what I figure, but can I use that class in qt designer after?
              Also I don't want to draw on top of the image, I want to draw the image with a bevel effect.

              Christian EhrlicherC 1 Reply Last reply
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              • D diniamo

                That's what I figure, but can I use that class in qt designer after?
                Also I don't want to draw on top of the image, I want to draw the image with a bevel effect.

                Christian EhrlicherC Offline
                Christian EhrlicherC Offline
                Christian Ehrlicher
                Lifetime Qt Champion
                wrote on last edited by
                #8

                @diniamo said in QLabel pixmap not affected by CSS property: border:

                That's what I figure, but can I use that class in qt designer after?

                See https://doc.qt.io/qt-5/designer-using-custom-widgets.html

                Also I don't want to draw on top of the image, I want to draw the image with a bevel effect.

                Since you do the drawing on your own then you can draw whatever you want.

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                • JoeCFDJ Offline
                  JoeCFDJ Offline
                  JoeCFD
                  wrote on last edited by JoeCFD
                  #9

                  Try to add padding to see if it helps.
                  padding is added between border and contents.
                  https://doc.qt.io/archives/qt-4.8/stylesheet-customizing.html

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                  • JoeCFDJ JoeCFD

                    Try to add padding to see if it helps.
                    padding is added between border and contents.
                    https://doc.qt.io/archives/qt-4.8/stylesheet-customizing.html

                    D Offline
                    D Offline
                    diniamo
                    wrote on last edited by
                    #10

                    @JoeCFD that just makes it ugly, the image becomes smaller, won't work in my case.

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                    • Christian EhrlicherC Christian Ehrlicher

                      @diniamo said in QLabel pixmap not affected by CSS property: border:

                      That's what I figure, but can I use that class in qt designer after?

                      See https://doc.qt.io/qt-5/designer-using-custom-widgets.html

                      Also I don't want to draw on top of the image, I want to draw the image with a bevel effect.

                      Since you do the drawing on your own then you can draw whatever you want.

                      D Offline
                      D Offline
                      diniamo
                      wrote on last edited by diniamo
                      #11

                      @Christian-Ehrlicher Do I have access to the standard label paint event, to look at as an example? As well as qframe's probably.

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                      • D Offline
                        D Offline
                        diniamo
                        wrote on last edited by
                        #12

                        Hm, no, it doesn't seem like I can just reimplement the paint event here... :/

                        M 1 Reply Last reply
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                        • D diniamo

                          Hm, no, it doesn't seem like I can just reimplement the paint event here... :/

                          M Offline
                          M Offline
                          mchinand
                          wrote on last edited by
                          #13

                          Can you use a combination of drawImage and clipPath in a custom PaintEvent to achieve what you want?

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                          • D Offline
                            D Offline
                            diniamo
                            wrote on last edited by
                            #14

                            Sure, but I can't just call super().whatever to draw the rest because that the draws the image itself as well..

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