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Change title font of Qt Main Window

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  • sehnkimS Offline
    sehnkimS Offline
    sehnkim
    wrote on last edited by A Former User
    #1

    Hello experts.

    I am trying to change the title font of the Qt Main window with "Segoe UI".
    I tried changing style sheet and Font etc, but I couldn't make it.
    Actually, I could do for labels, but not for the title.

    Any comments would be really appreciated.
    Thanks.

    1 Reply Last reply
    0
    • thamT Offline
      thamT Offline
      tham
      wrote on last edited by
      #2

      Maybe what you need is "setWindowTitle();"

      1 Reply Last reply
      0
      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #3

        Hi,

        The title bar is handled by the window manager not by Qt so it's not something you can modify within the app by default.

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

        sehnkimS V 2 Replies Last reply
        3
        • SGaistS SGaist

          Hi,

          The title bar is handled by the window manager not by Qt so it's not something you can modify within the app by default.

          sehnkimS Offline
          sehnkimS Offline
          sehnkim
          wrote on last edited by
          #4

          @SGaist
          Thanks a lot for your comment. :)
          Then, there is nothing I can do in Qt for changing the title bar font? Only way is to use the windows manager somehow?

          1 Reply Last reply
          1
          • Ni.SumiN Offline
            Ni.SumiN Offline
            Ni.Sumi
            wrote on last edited by
            #5

            Hi @sehnkim ,

            AFAIK, Some one can't force the title bar font from the Qt as Mr. @SGaist said . It's completely from the desktop settings. You can change this from the Desktop settings . if your are really worried about the font size. But the problem is. the desktop setting will be applicable to all windows on Windows.

            sehnkimS 1 Reply Last reply
            3
            • Ni.SumiN Ni.Sumi

              Hi @sehnkim ,

              AFAIK, Some one can't force the title bar font from the Qt as Mr. @SGaist said . It's completely from the desktop settings. You can change this from the Desktop settings . if your are really worried about the font size. But the problem is. the desktop setting will be applicable to all windows on Windows.

              sehnkimS Offline
              sehnkimS Offline
              sehnkim
              wrote on last edited by sehnkim
              #6
              This post is deleted!
              mrjjM 1 Reply Last reply
              0
              • VRoninV Offline
                VRoninV Offline
                VRonin
                wrote on last edited by
                #7

                https://forum.qt.io/topic/62615/how-to-insert-image-on-this-forum

                "La mort n'est rien, mais vivre vaincu et sans gloire, c'est mourir tous les jours"
                ~Napoleon Bonaparte

                On a crusade to banish setIndexWidget() from the holy land of Qt

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                • sehnkimS sehnkim

                  This post is deleted!

                  mrjjM Offline
                  mrjjM Offline
                  mrjj
                  Lifetime Qt Champion
                  wrote on last edited by mrjj
                  #8

                  @sehnkim
                  Hi
                  sadly dragging images to forum post is bugged. we cant see the image.
                  Please use external site such as postimage.org (or what u prefer)

                  About drawing Title bar or borders:
                  This is called decorations and is beyond Qts control. As already stated it's
                  not really possible in any platform neutral way.

                  So the only solutions is to
                  1: make a fake windows widget and draw caption and implement dragging etc.
                  This is a road of pain as if to be used as a Mainwindow it will show some of its fake nature in
                  various aspects of the OS.
                  2: use native SDK
                  This covers it ok and also discuss Win native api calls to use to make possible.
                  https://forum.qt.io/topic/3258/how-to-draw-to-the-windows-title-bar-with-qt-is-this-possible
                  Note that this will ofc not work on linux etc.

                  1 Reply Last reply
                  1
                  • sehnkimS Offline
                    sehnkimS Offline
                    sehnkim
                    wrote on last edited by
                    #9

                    Thank you so much @Ni.Sumi and @SGaist

                    May I ask you one follow-up question?
                    As shown in the attached picture, I need to change the color of the title bar (refer to the green arrow) and the color of the border line (refer to the red arrow) of the main window.
                    I am not sure if I can change them or not. Any comments would be really appreciated.

                    Thanks a lot.

                    https://s20.postimg.org/ycgqe4e5p/gui.png

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                    0
                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote on last edited by
                      #10

                      You might be able to do that with some native API on Windows but I haven't tested them. This article might help you get further

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

                      1 Reply Last reply
                      0
                      • SGaistS SGaist

                        Hi,

                        The title bar is handled by the window manager not by Qt so it's not something you can modify within the app by default.

                        V Offline
                        V Offline
                        Vijaykarthikeyan
                        wrote on last edited by
                        #11

                        @SGaist so we can't customize the title bar of the application window of QML?

                        SGaistS C 2 Replies Last reply
                        0
                        • V Vijaykarthikeyan

                          @SGaist so we can't customize the title bar of the application window of QML?

                          SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #12

                          @Vijaykarthikeyan Qt does not manage window decoration. That's the OS that does it.

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

                          1 Reply Last reply
                          2
                          • V Vijaykarthikeyan

                            @SGaist so we can't customize the title bar of the application window of QML?

                            C Offline
                            C Offline
                            CPPUIX
                            wrote on last edited by
                            #13

                            @Vijaykarthikeyan Perhaps this could be useful:

                            • Qt Blog: Custom client-side window decorations in Qt 5.15
                            V 1 Reply Last reply
                            2
                            • C CPPUIX

                              @Vijaykarthikeyan Perhaps this could be useful:

                              • Qt Blog: Custom client-side window decorations in Qt 5.15
                              V Offline
                              V Offline
                              Vijaykarthikeyan
                              wrote on last edited by
                              #14

                              @Abderrahmene_Rayene thank you

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