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QTextEdit doesn't display its corner with border-radius

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qtexteditborder-radius
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  • C Offline
    C Offline
    Chris Kawa
    Lifetime Qt Champion
    wrote on 12 Jan 2016, 21:00 last edited by
    #2

    Hi, welcome to devnet.

    Looks like a small bug in the way stylesheets are applied. You can workaround it by explicitly setting a background color:

    setStyleSheet("border: 1px solid; border-radius:10px; background-color: palette(base); ");
    
    T G F 3 Replies Last reply 13 Jan 2016, 14:24
    4
    • C Chris Kawa
      12 Jan 2016, 21:00

      Hi, welcome to devnet.

      Looks like a small bug in the way stylesheets are applied. You can workaround it by explicitly setting a background color:

      setStyleSheet("border: 1px solid; border-radius:10px; background-color: palette(base); ");
      
      T Offline
      T Offline
      Toufi
      wrote on 13 Jan 2016, 14:24 last edited by
      #3

      @Chris-Kawa It works ! Thanks for all ^^

      1 Reply Last reply
      0
      • C Chris Kawa
        12 Jan 2016, 21:00

        Hi, welcome to devnet.

        Looks like a small bug in the way stylesheets are applied. You can workaround it by explicitly setting a background color:

        setStyleSheet("border: 1px solid; border-radius:10px; background-color: palette(base); ");
        
        G Offline
        G Offline
        Gaobo
        wrote on 27 Jul 2022, 08:25 last edited by
        #4

        @Chris-Kawa Why is it useless to set border-radius for QTextEdit without setting a background? It's confusing to me.

        1 Reply Last reply
        0
        • C Offline
          C Offline
          Chris Kawa
          Lifetime Qt Champion
          wrote on 27 Jul 2022, 08:30 last edited by
          #5

          Apparently changing just border radius does not internally trigger changing a style from the native one to stylesheets. Like I said - could be a bug. Have a look at the source code of QWidget and setStyleSheet if you're interested.

          G 1 Reply Last reply 27 Jul 2022, 08:53
          0
          • C Chris Kawa
            27 Jul 2022, 08:30

            Apparently changing just border radius does not internally trigger changing a style from the native one to stylesheets. Like I said - could be a bug. Have a look at the source code of QWidget and setStyleSheet if you're interested.

            G Offline
            G Offline
            Gaobo
            wrote on 27 Jul 2022, 08:53 last edited by
            #6

            @Chris-Kawa Thanks. But why it is useful for QLabel.

            C 1 Reply Last reply 27 Jul 2022, 09:00
            0
            • G Gaobo
              27 Jul 2022, 08:53

              @Chris-Kawa Thanks. But why it is useful for QLabel.

              C Offline
              C Offline
              Chris Kawa
              Lifetime Qt Champion
              wrote on 27 Jul 2022, 09:00 last edited by
              #7

              @Gaobo Sorry, I don't understand the question. Why is it useful? It's your label. How should I know why it is useful to you?

              G 1 Reply Last reply 27 Jul 2022, 09:05
              0
              • C Chris Kawa
                27 Jul 2022, 09:00

                @Gaobo Sorry, I don't understand the question. Why is it useful? It's your label. How should I know why it is useful to you?

                G Offline
                G Offline
                Gaobo
                wrote on 27 Jul 2022, 09:05 last edited by
                #8

                @Chris-Kawa Sorry for my poor expresson. I mean, it's useful that I only set the border-radius for QLabel and not the background.

                1 Reply Last reply
                0
                • C Chris Kawa
                  12 Jan 2016, 21:00

                  Hi, welcome to devnet.

                  Looks like a small bug in the way stylesheets are applied. You can workaround it by explicitly setting a background color:

                  setStyleSheet("border: 1px solid; border-radius:10px; background-color: palette(base); ");
                  
                  F Offline
                  F Offline
                  funway
                  wrote on 11 May 2023, 14:30 last edited by
                  #9

                  @Chris-Kawa
                  I found QScrollArea has the same question, but explicitly setting a background color does not work for QScrollArea.

                  QScrollArea {
                       border: 1px solid silver;
                       border-radius: 10px;
                       background-color: palette(base);
                  }
                  

                  SCR-20230511-tldk.png

                  Could you please give me some tips on this? Thanks.

                  C 1 Reply Last reply 11 May 2023, 20:27
                  0
                  • F funway
                    11 May 2023, 14:30

                    @Chris-Kawa
                    I found QScrollArea has the same question, but explicitly setting a background color does not work for QScrollArea.

                    QScrollArea {
                         border: 1px solid silver;
                         border-radius: 10px;
                         background-color: palette(base);
                    }
                    

                    SCR-20230511-tldk.png

                    Could you please give me some tips on this? Thanks.

                    C Offline
                    C Offline
                    Chris Kawa
                    Lifetime Qt Champion
                    wrote on 11 May 2023, 20:27 last edited by
                    #10

                    @funway It's a bit different issue. Setting border radius does not clip children painting to the rounded corners of the parent (I'm guessing for performance reasons).
                    Scroll area has a viewport widget and (optionally) scrollbars that stick to the edges of it, so they will always cover the parent's rounded corners.

                    The easiest I think would be to disable the scroll area's border entirely and place it in a container widget that has border with rounded corners and matching content margins set. This of course means that you would get a bit of empty space around the scroll area.

                    If that's not an option you could maybe add a transparent for input widget on top of the scroll area (or 4 small ones in the corners) and draw the rounded corners in it. That should get you what you want but is a bit more work. Note that the rounded corner would cover scrollbars, which in some styles might not look too good.

                    F 1 Reply Last reply 12 May 2023, 02:19
                    0
                    • C Chris Kawa
                      11 May 2023, 20:27

                      @funway It's a bit different issue. Setting border radius does not clip children painting to the rounded corners of the parent (I'm guessing for performance reasons).
                      Scroll area has a viewport widget and (optionally) scrollbars that stick to the edges of it, so they will always cover the parent's rounded corners.

                      The easiest I think would be to disable the scroll area's border entirely and place it in a container widget that has border with rounded corners and matching content margins set. This of course means that you would get a bit of empty space around the scroll area.

                      If that's not an option you could maybe add a transparent for input widget on top of the scroll area (or 4 small ones in the corners) and draw the rounded corners in it. That should get you what you want but is a bit more work. Note that the rounded corner would cover scrollbars, which in some styles might not look too good.

                      F Offline
                      F Offline
                      funway
                      wrote on 12 May 2023, 02:19 last edited by
                      #11

                      @Chris-Kawa Wow! Thanks for your detailed reply. I will try it. 🙏

                      1 Reply Last reply
                      0
                      • I isudfv referenced this topic on 1 Sept 2023, 08:29

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