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Font changes not aplying

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fonteglfs rpi2raspberry pi 2
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  • SGaistS SGaist

    Did you check the returned id from addApplicationFont ?

    cxamC Offline
    cxamC Offline
    cxam
    wrote on last edited by
    #7

    @SGaist More or less, what I did to test that the font is working is this:

    int id = QFontDatabase::addApplicationFont( "/usr/share/fonts/truetype/Open_Sans/OpenSans-Regular.ttf");
    QString family = QFontDatabase::applicationFontFamilies(id).at(0);
    QFont monospace(family);
    qApp->setFont(monospace);
    

    But it doesn't work.... No idea what can be happening

    Stay Hungry, Stay Foolish

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #8

      What is the value of id ?

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

      cxamC 1 Reply Last reply
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      • SGaistS SGaist

        What is the value of id ?

        cxamC Offline
        cxamC Offline
        cxam
        wrote on last edited by
        #9

        @SGaist I'm trying to show the value of the "id" variable through QDebug and the Application output but it's not showing.

        Stay Hungry, Stay Foolish

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #10

          Use the debugger then or a dummy widget.

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

          cxamC 1 Reply Last reply
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          • SGaistS SGaist

            Use the debugger then or a dummy widget.

            cxamC Offline
            cxamC Offline
            cxam
            wrote on last edited by
            #11

            @SGaist Ok, I wasn't pressing the "Debug" button haha, anyways I've found that the "id" value is 0.

            Stay Hungry, Stay Foolish

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            • mrjjM Offline
              mrjjM Offline
              mrjj
              Lifetime Qt Champion
              wrote on last edited by
              #12

              @cxam said:
              hi, just small question.
              Since addApplicationFont dont return -1 for error, i wonder if he need to NEW the font as they talk about here
              https://forum.qt.io/topic/23875/how-to-use-qfontdatabase-addapplicationfont
              ?

              cxamC 2 Replies Last reply
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              • mrjjM mrjj

                @cxam said:
                hi, just small question.
                Since addApplicationFont dont return -1 for error, i wonder if he need to NEW the font as they talk about here
                https://forum.qt.io/topic/23875/how-to-use-qfontdatabase-addapplicationfont
                ?

                cxamC Offline
                cxamC Offline
                cxam
                wrote on last edited by
                #13

                @mrjj said:

                https://forum.qt.io/topic/23875/how-to-use-qfontdatabase-addapplicationfont

                I think that's the answer to my problem but I'm unable to put it into my program, would you mind making it more explained for me please?

                Stay Hungry, Stay Foolish

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                • mrjjM mrjj

                  @cxam said:
                  hi, just small question.
                  Since addApplicationFont dont return -1 for error, i wonder if he need to NEW the font as they talk about here
                  https://forum.qt.io/topic/23875/how-to-use-qfontdatabase-addapplicationfont
                  ?

                  cxamC Offline
                  cxamC Offline
                  cxam
                  wrote on last edited by
                  #14

                  @mrjj Ok, I've got it. Thank you for your help :)

                  Stay Hungry, Stay Foolish

                  mrjjM 1 Reply Last reply
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                  • cxamC cxam

                    @mrjj Ok, I've got it. Thank you for your help :)

                    mrjjM Offline
                    mrjjM Offline
                    mrjj
                    Lifetime Qt Champion
                    wrote on last edited by
                    #15

                    @cxam
                    so did it make any difference?

                    cxamC 1 Reply Last reply
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                    • mrjjM mrjj

                      @cxam
                      so did it make any difference?

                      cxamC Offline
                      cxamC Offline
                      cxam
                      wrote on last edited by
                      #16

                      @mrjj Yes, What I did was

                      QFontDatabase::addApplicationFont("/usr/share/fonts/truetype/Open_Sans/OpenSans-Regular.ttf");
                      

                      and then select "Open Sans" on the QtDesigner

                      Stay Hungry, Stay Foolish

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