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QSystemTrayIcon hide() crash on mac while I use QTimer to change the icon of QSystemTrayIcon

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  • EddyE Offline
    EddyE Offline
    Eddy
    wrote on last edited by
    #12

    there is a wiki page explaining how the editor works :
    "Using the editor :":http://developer.qt.nokia.com/wiki/ForumHelp#9bd9c32b79efb1b2d5b039e4d48300a9

    Qt Certified Specialist
    www.edalsolutions.be

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    • ? Offline
      ? Offline
      A Former User
      wrote on last edited by
      #13

      ok , guys , thanks very much , I have changed them now ~~anyone could give me solution ?thanks

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      • ? Offline
        ? Offline
        A Former User
        wrote on last edited by
        #14

        It may be caused by some internal objects that are no longer available after you hide the icon. I can reproduce the crash on my Mac box.

        As a workaround you can replace the call to hide with a single shot timer in your slot like this

        @
        fSystemTrayTimer->stop() ;
        //fSystemTrayIcon->hide();
        QTimer::singleShot(0, fSystemTrayIcon, SLOT(hide()));
        @

        This way the call to hide is delivered after you have left the slot.

        EDIT:
        I've added this as a doc not to [[Doc:QSystemTrayIcon]] too.

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        • ? Offline
          ? Offline
          A Former User
          wrote on last edited by
          #15

          thanks Volker , you are always the best problem solver for me . Great Appreciation ~~~

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          • ? Offline
            ? Offline
            A Former User
            wrote on last edited by
            #16

            hi Volker , I also meet the same problem as the following link
            http://svn.netlabs.org/qt4/ticket/201
            do you have some solution for that ?thanks ~~

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            • ? Offline
              ? Offline
              A Former User
              wrote on last edited by
              #17

              I'll have a look into this later.

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              • ? Offline
                ? Offline
                A Former User
                wrote on last edited by
                #18

                thanks very much , I have read the guide to ask questions , it is very helpful for me , thank you very much , I will do this better ~~

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                • ? Offline
                  ? Offline
                  A Former User
                  wrote on last edited by
                  #19

                  I didn't forget you but I was terribly busy the last week and am off for vacation soon, so please be a bit more patient.

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                  • ? Offline
                    ? Offline
                    A Former User
                    wrote on last edited by
                    #20

                    thanks Volker ~~just have a look when you have time , thanks

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                    • ? Offline
                      ? Offline
                      A Former User
                      wrote on last edited by
                      #21

                      [quote author="brucewuu" date="1309959197"]hi Volker , I also meet the same problem as the following link
                      http://svn.netlabs.org/qt4/ticket/201
                      do you have some solution for that ?thanks ~~[/quote]

                      That's out of scope for me. I don't know the internal workings for the OS/2 port, sorry.

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