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Ho to disable/make disappear error underlines in QtCreator ?

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  • mrjjM Offline
    mrjjM Offline
    mrjj
    Lifetime Qt Champion
    wrote on last edited by
    #3

    Hi
    When you provide pictures only, its very hard to check out what is going on
    since you cant just copy the code. :(

    In any case for that old QtCreator, i think you can do

    Tools -> Options -> Text Editor -> Font&Colors: find and check the "Error" at the "Color Scheme". Click "Copy", "Ok". Select No underline at the Underline section.

    To make all such "bad code" underlines not showing.

    But as @JonB says
    would be good idea to check what its unhappy about.
    (if it does show a hover tip)

    R 1 Reply Last reply
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    • mrjjM mrjj

      Hi
      When you provide pictures only, its very hard to check out what is going on
      since you cant just copy the code. :(

      In any case for that old QtCreator, i think you can do

      Tools -> Options -> Text Editor -> Font&Colors: find and check the "Error" at the "Color Scheme". Click "Copy", "Ok". Select No underline at the Underline section.

      To make all such "bad code" underlines not showing.

      But as @JonB says
      would be good idea to check what its unhappy about.
      (if it does show a hover tip)

      R Offline
      R Offline
      RobDaNet
      wrote on last edited by
      #4

      @mrjj Hi mrjj, I added the code together with the message I get by hovering on the underlines with the mouse. As I mentioned in my question, I tried to find a property in the Font&Colors list, but there's none referring to the Underline. Probably it was added in a later version. As regard the error itself, I don't think it makes any sense. Take this line:

      u->closed_value = Nil;//extra ;
      

      why would it ask for an extra ';' ? The other error messages are without any doubt a consequence of this syntax error, so of very little concern.
      Thanks for your interest.

      mrjjM 1 Reply Last reply
      0
      • JonBJ JonB

        @RobDaNet
        I'm sorry I don't know how to achieve that. But would you not rather try to deal with whatever Qt editor is trying to tell you about those lines, rather than switching them off visually everywhere? What does the hover say?

        R Offline
        R Offline
        RobDaNet
        wrote on last edited by
        #5

        @JonB Hi JonB, I update my question. Thanks.

        1 Reply Last reply
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        • R RobDaNet

          @mrjj Hi mrjj, I added the code together with the message I get by hovering on the underlines with the mouse. As I mentioned in my question, I tried to find a property in the Font&Colors list, but there's none referring to the Underline. Probably it was added in a later version. As regard the error itself, I don't think it makes any sense. Take this line:

          u->closed_value = Nil;//extra ;
          

          why would it ask for an extra ';' ? The other error messages are without any doubt a consequence of this syntax error, so of very little concern.
          Thanks for your interest.

          mrjjM Offline
          mrjjM Offline
          mrjj
          Lifetime Qt Champion
          wrote on last edited by mrjj
          #6

          @RobDaNet
          Hi
          The #define does not contain the ;
          so when expanded it does miss the ;
          and hence
          value = Nil
          does need the ;

          Note:
          did you update the original post ?
          We have some issues regarding refreshing after forum updates so hence i ask if you added new info:)

          R 1 Reply Last reply
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          • mrjjM mrjj

            @RobDaNet
            Hi
            The #define does not contain the ;
            so when expanded it does miss the ;
            and hence
            value = Nil
            does need the ;

            Note:
            did you update the original post ?
            We have some issues regarding refreshing after forum updates so hence i ask if you added new info:)

            R Offline
            R Offline
            RobDaNet
            wrote on last edited by
            #7

            @mrjj HI, yes I did but the first time it didn't show the update. By the way, to which Nil you are referring at? The semicolon is present in the initialization.

            mrjjM 1 Reply Last reply
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            • R RobDaNet

              @mrjj HI, yes I did but the first time it didn't show the update. By the way, to which Nil you are referring at? The semicolon is present in the initialization.

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

              @RobDaNet
              Hi
              The image
              alt text

              no ;

              but its updated ?
              (so it has one)

              R 1 Reply Last reply
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              • mrjjM mrjj

                @RobDaNet
                Hi
                The image
                alt text

                no ;

                but its updated ?
                (so it has one)

                R Offline
                R Offline
                RobDaNet
                wrote on last edited by
                #9

                @mrjj If I put a ';' in the macro I cannot pass it to a function, so I need the ';' to be added at the initialisation point. Also, it shouldn't be an error either passing Nil to a function without the ';', don't you think ?

                R mrjjM 2 Replies Last reply
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                • R RobDaNet

                  @mrjj If I put a ';' in the macro I cannot pass it to a function, so I need the ';' to be added at the initialisation point. Also, it shouldn't be an error either passing Nil to a function without the ';', don't you think ?

                  R Offline
                  R Offline
                  RobDaNet
                  wrote on last edited by
                  #10

                  @RobDaNet I was't trying to be funny, by the way. My point is that once the macro is expanded I have, from a C point of view, no error, even if I pass the macro to a function.

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                  • R RobDaNet

                    @mrjj If I put a ';' in the macro I cannot pass it to a function, so I need the ';' to be added at the initialisation point. Also, it shouldn't be an error either passing Nil to a function without the ';', don't you think ?

                    mrjjM Offline
                    mrjjM Offline
                    mrjj
                    Lifetime Qt Champion
                    wrote on last edited by
                    #11

                    Hi
                    Ah, yes if you use it as a parameter and not just for an assignment
                    then the ; cannot be included.

                    but then you must add it when assigning. so in that context
                    u->closed_value = Nil;//extra ;
                    the ; is not really extra. (IMHO)

                    Are you saying that with a c compiler it will accept
                    the define with no ;
                    at a assignment?
                    xxx = Nil

                    R 2 Replies Last reply
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                    • mrjjM mrjj

                      Hi
                      Ah, yes if you use it as a parameter and not just for an assignment
                      then the ; cannot be included.

                      but then you must add it when assigning. so in that context
                      u->closed_value = Nil;//extra ;
                      the ; is not really extra. (IMHO)

                      Are you saying that with a c compiler it will accept
                      the define with no ;
                      at a assignment?
                      xxx = Nil

                      R Offline
                      R Offline
                      RobDaNet
                      wrote on last edited by
                      #12

                      @mrjj Not at all, I'm saying that in the initialization the ';' token is present and I shouldn't get those underlines.

                      1 Reply Last reply
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                      • mrjjM mrjj

                        Hi
                        Ah, yes if you use it as a parameter and not just for an assignment
                        then the ; cannot be included.

                        but then you must add it when assigning. so in that context
                        u->closed_value = Nil;//extra ;
                        the ; is not really extra. (IMHO)

                        Are you saying that with a c compiler it will accept
                        the define with no ;
                        at a assignment?
                        xxx = Nil

                        R Offline
                        R Offline
                        RobDaNet
                        wrote on last edited by
                        #13

                        @mrjj The message in the comment is what I get by hovering the mouse on the underline.

                        1 Reply Last reply
                        0
                        • mrjjM Offline
                          mrjjM Offline
                          mrjj
                          Lifetime Qt Champion
                          wrote on last edited by
                          #14

                          hi
                          well if you include the "extra" ; then
                          i agree it should not whine.
                          However, in that old creator, im not sure that can be disabled.

                          and just so i understand.
                          even with the ;
                          you get
                          u->next = NULL; // expected a declaration
                          return u; // expected token ';' got '{'

                          ?

                          R 1 Reply Last reply
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                          • mrjjM mrjj

                            hi
                            well if you include the "extra" ; then
                            i agree it should not whine.
                            However, in that old creator, im not sure that can be disabled.

                            and just so i understand.
                            even with the ;
                            you get
                            u->next = NULL; // expected a declaration
                            return u; // expected token ';' got '{'

                            ?

                            R Offline
                            R Offline
                            RobDaNet
                            wrote on last edited by
                            #15

                            @mrjj Thanks

                            1 Reply Last reply
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                            • mrjjM Offline
                              mrjjM Offline
                              mrjj
                              Lifetime Qt Champion
                              wrote on last edited by
                              #16

                              Hi
                              Just as a note:
                              You can use QtCreator with any version of Qt.
                              So if you wish you could use the newest Creator with Qt5.5.1
                              Its only if you wish to make Creator plugins the version does matter.

                              That said, im still not sure why it underlines it as
                              checking with other macros it seems to accept it.

                              R 1 Reply Last reply
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                              • mrjjM mrjj

                                Hi
                                Just as a note:
                                You can use QtCreator with any version of Qt.
                                So if you wish you could use the newest Creator with Qt5.5.1
                                Its only if you wish to make Creator plugins the version does matter.

                                That said, im still not sure why it underlines it as
                                checking with other macros it seems to accept it.

                                R Offline
                                R Offline
                                RobDaNet
                                wrote on last edited by
                                #17

                                @mrjj Thanks for your note, too. I'm sure I will get the last version very soon. Especially since it offer the option to turn off the error underlining system. Maybe on the newest version these kind of macros won't even be flagged as an error, as you noticed before.

                                mrjjM 1 Reply Last reply
                                1
                                • R RobDaNet

                                  @mrjj Thanks for your note, too. I'm sure I will get the last version very soon. Especially since it offer the option to turn off the error underlining system. Maybe on the newest version these kind of macros won't even be flagged as an error, as you noticed before.

                                  mrjjM Offline
                                  mrjjM Offline
                                  mrjj
                                  Lifetime Qt Champion
                                  wrote on last edited by
                                  #18

                                  @RobDaNet
                                  I tried to create a Object as a struct with
                                  int n;
                                  and it seems not to mind :)

                                  1 Reply Last reply
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