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[Solved] How to show Qt debug messages outside the debugger

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  • A Offline
    A Offline
    andre
    wrote on last edited by
    #13

    QxtLogger can install itself the hander for Qt's debug messages as well, and you can use several outputs for your logging info. StdErr/StdOut of course, but also files in different formats.

    The qt += console suggestion given earlier only works on windows.

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    • D Offline
      D Offline
      d.oberkofler
      wrote on last edited by
      #14

      [quote author="Volker" date="1293097794"]On Mac OS X the debug output goes to the system logger. You can read it with the Console Application (Usually in /Applications/Utilities/Console.app).

      For your own logging facilities "qInstallMsgHandler()":http://doc.qt.nokia.com/latest/qtglobal.html#qInstallMsgHandler is your friend (that's the solution Gerolf mentioned).

      I once wrote a small GUI that collects the qXXX() messages. I can put it in the wiki on request.[/quote]

      I think it would be great if you could make your "small GUI that collects the qXXX() messages" available to everyone.

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      • V Offline
        V Offline
        vcsala
        wrote on last edited by
        #15

        @Volker, that would be really nice of you.

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        • K Offline
          K Offline
          kamalakshantv
          wrote on last edited by
          #16

          [quote author="Volker" date="1293097794"]On Mac OS X the debug output goes to the system logger. You can read it with the Console Application (Usually in /Applications/Utilities/Console.app).

          For your own logging facilities "qInstallMsgHandler()":http://doc.qt.nokia.com/latest/qtglobal.html#qInstallMsgHandler is your friend (that's the solution Gerolf mentioned).

          I once wrote a small GUI that collects the qXXX() messages. I can put it in the wiki on request.[/quote]

          Yes, everyone would like such a handy tool.

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          • G Offline
            G Offline
            giesbert
            wrote on last edited by
            #17

            Request :-))

            Nokia Certified Qt Specialist.
            Programming Is Like Sex: One mistake and you have to support it for the rest of your life. (Michael Sinz)

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            • G Offline
              G Offline
              goetz
              wrote on last edited by
              #18

              I've added a "wiki page":http://developer.qt.nokia.com/wiki/Browser_for_QDebug_output with the source code of the QDebug Log Output Browser.

              I hope it is useful for somebody and of course feel free to ask, if you have questions.

              http://www.catb.org/~esr/faqs/smart-questions.html

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              • A Offline
                A Offline
                ashwindas
                wrote on last edited by
                #19

                Thanks Volker, I was also looking for something similar :)

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                • U Offline
                  U Offline
                  ucomesdag
                  wrote on last edited by
                  #20

                  [quote author="Volker" date="1294011522"]I've added a "wiki page":http://developer.qt.nokia.com/wiki/Browser_for_QDebug_output with the source code of the QDebug Log Output Browser.[/quote]

                  Thanks Volker, fiddling with it at the moment... :-)

                  Write “Qt”, not “QT” (QuickTime).

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                  • G Offline
                    G Offline
                    goetz
                    wrote on last edited by
                    #21

                    I added the .pro file, that was missing from the first version.

                    http://www.catb.org/~esr/faqs/smart-questions.html

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                    • D Offline
                      D Offline
                      d.oberkofler
                      wrote on last edited by
                      #22

                      [quote author="Volker" date="1294011522"]I've added a "wiki page":http://developer.qt.nokia.com/wiki/Browser_for_QDebug_output with the source code of the QDebug Log Output Browser.
                      I hope it is useful for somebody and of course feel free to ask, if you have questions.[/quote]
                      Thank you!

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