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Write rich text into .odt file

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  • T Tamfub
    21 Sept 2020, 18:15

    @SGaist
    Hello,
    the project I am working on is something like this:
    https://conclave-team.github.io/conclave-site/
    The client and server send data with QTcpSockets. The server side does not have a GUI (it is on the client side, with a textEdit), the client sends each Symbol and the server keeps them in a QList.
    Now, we would like to store this Symbols (that compose a rich text) in a local .odt file.
    I think it is unconvenient to send the whole textEdit->document() at every change inside the client textEdit.

    A Offline
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    artwaw
    wrote on 21 Sept 2020, 18:24 last edited by
    #7

    @Tamfub I'd still stick with internal representation as QTextEdit, you can edit it as the symbols flow in.

    For more information please re-read.

    Kind Regards,
    Artur

    S 1 Reply Last reply 21 Sept 2020, 18:25
    0
    • A artwaw
      21 Sept 2020, 18:24

      @Tamfub I'd still stick with internal representation as QTextEdit, you can edit it as the symbols flow in.

      S Offline
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      SGaist
      Lifetime Qt Champion
      wrote on 21 Sept 2020, 18:25 last edited by
      #8

      @artwaw said in Write rich text into .odt file:

      @Tamfub I'd still stick with internal representation as QTextEdit, you can edit it as the symbols flow in.

      Agreed, establish a protocol to keep the documents in sync but there's no need to reinvent the wheel.

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

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      • T Offline
        T Offline
        Tamfub
        wrote on 21 Sept 2020, 18:32 last edited by
        #9

        Ok, I have a distributed application and I must apply the CRDT algorithm to keep consistency in shared documents. Since more than one clients may work on the same document (like in Google Docs), how can I keep more than one textEdit graphical element on the server? Maybe I'm not getting it at all.

        A 1 Reply Last reply 21 Sept 2020, 18:34
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        • T Tamfub
          21 Sept 2020, 18:32

          Ok, I have a distributed application and I must apply the CRDT algorithm to keep consistency in shared documents. Since more than one clients may work on the same document (like in Google Docs), how can I keep more than one textEdit graphical element on the server? Maybe I'm not getting it at all.

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          A Offline
          artwaw
          wrote on 21 Sept 2020, 18:34 last edited by
          #10

          @Tamfub you don't need QTextEdit on the server. Just QTextDocument that's being kept up to date.

          For more information please re-read.

          Kind Regards,
          Artur

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            SGaist
            Lifetime Qt Champion
            wrote on 21 Sept 2020, 18:34 last edited by
            #11

            So you want to implement something like Google Docs ?

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

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            • T Offline
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              Tamfub
              wrote on 21 Sept 2020, 18:46 last edited by Tamfub
              #12

              Yes, something like that. But if I have a Symbol like one of the first post:

              Symbol s('H', QFont::Bold)
              

              can I create an empty QTextDocument and insert the Symbol character and properties inside it?

              A 1 Reply Last reply 21 Sept 2020, 18:49
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              • T Tamfub
                21 Sept 2020, 18:46

                Yes, something like that. But if I have a Symbol like one of the first post:

                Symbol s('H', QFont::Bold)
                

                can I create an empty QTextDocument and insert the Symbol character and properties inside it?

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                artwaw
                wrote on 21 Sept 2020, 18:49 last edited by
                #13

                @Tamfub Of course.

                For more information please re-read.

                Kind Regards,
                Artur

                T 1 Reply Last reply 21 Sept 2020, 18:56
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                • A artwaw
                  21 Sept 2020, 18:49

                  @Tamfub Of course.

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                  Tamfub
                  wrote on 21 Sept 2020, 18:56 last edited by
                  #14

                  @artwaw ok, how can I insert the character? Should I create a QTextBlock inside the QTextDocument or what?

                  A 1 Reply Last reply 21 Sept 2020, 19:09
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                  • T Tamfub
                    21 Sept 2020, 18:56

                    @artwaw ok, how can I insert the character? Should I create a QTextBlock inside the QTextDocument or what?

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                    artwaw
                    wrote on 21 Sept 2020, 19:09 last edited by
                    #15

                    @Tamfub You edit QTextDocument using QTextCursor (it is mentioned in QTextDocument documentation btw.).
                    Also worth reading before you begin is Rich Text Editing overview page.

                    It is a fair amount of reading but in my honest opinion - it is worth it.

                    For more information please re-read.

                    Kind Regards,
                    Artur

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                    • T Offline
                      T Offline
                      Tamfub
                      wrote on 21 Sept 2020, 20:14 last edited by
                      #16

                      Fine, I'll give it a read then. Thank you both @artwaw and @SGaist! :)

                      1 Reply Last reply
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                      21 Sept 2020, 20:14

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