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[SOLVED] Can't catch event

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  • ? Offline
    ? Offline
    A Former User
    wrote on last edited by
    #4

    QSystemTrayIcon is not a widget and therefore does not receive UI related events such as click events, show events, etc (That all handled by the OS, not Qt). You should use the "activated() signal":http://doc.qt.nokia.com/4.7-snapshot/qsystemtrayicon.html#activated instead.

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    • M Offline
      M Offline
      maxim.prishchepa
      wrote on last edited by
      #5

      Tnx, a lot!

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

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      • A Offline
        A Offline
        anshah
        wrote on last edited by
        #6

        I am having trouble capturing events in Ubuntu 17.04 Unity Desktop because of the following bug:

        https://bugreports.qt.io/browse/QTBUG-26841

        The activated SIGNAL does not go out. I tried mouse click event capture and everything and nothing works. Is there a workaround?

        jsulmJ 1 Reply Last reply
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        • A anshah

          I am having trouble capturing events in Ubuntu 17.04 Unity Desktop because of the following bug:

          https://bugreports.qt.io/browse/QTBUG-26841

          The activated SIGNAL does not go out. I tried mouse click event capture and everything and nothing works. Is there a workaround?

          jsulmJ Offline
          jsulmJ Offline
          jsulm
          Lifetime Qt Champion
          wrote on last edited by
          #7

          @anshah The bug you meantioned was fixed in Qt 5.4. Which Qt version do you use? Also which signals do not work for you?

          https://forum.qt.io/topic/113070/qt-code-of-conduct

          A 1 Reply Last reply
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          • jsulmJ jsulm

            @anshah The bug you meantioned was fixed in Qt 5.4. Which Qt version do you use? Also which signals do not work for you?

            A Offline
            A Offline
            anshah
            wrote on last edited by
            #8

            @jsulm Wow thanks for responding. I'm using Ubuntu 17.04 with Qt 5.11 latest and I'm only seeing the activated signal not going out on the Unity desktop (Ubuntu default). The signal goes out fine on Plasma KDE and Gnome desktops. I just want to be able to click on the QSystemTrayIcon and have a window pop up and I can't even do that. Is there any workaround?

            jsulmJ 1 Reply Last reply
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            • A anshah

              @jsulm Wow thanks for responding. I'm using Ubuntu 17.04 with Qt 5.11 latest and I'm only seeing the activated signal not going out on the Unity desktop (Ubuntu default). The signal goes out fine on Plasma KDE and Gnome desktops. I just want to be able to click on the QSystemTrayIcon and have a window pop up and I can't even do that. Is there any workaround?

              jsulmJ Offline
              jsulmJ Offline
              jsulm
              Lifetime Qt Champion
              wrote on last edited by
              #9

              @anshah Do you use Qt provided by Ubuntu?

              https://forum.qt.io/topic/113070/qt-code-of-conduct

              A 2 Replies Last reply
              0
              • jsulmJ jsulm

                @anshah Do you use Qt provided by Ubuntu?

                A Offline
                A Offline
                anshah
                wrote on last edited by
                #10

                @jsulm I installed Qt 5.11 on Ubuntu.

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                • jsulmJ jsulm

                  @anshah Do you use Qt provided by Ubuntu?

                  A Offline
                  A Offline
                  anshah
                  wrote on last edited by
                  #11

                  @jsulm I'll be happy if the QSystemTrayIcon can somehow capture mouse click events. It is not a QWidget so that has been difficult as well. What is happening is that both left/right clicks on Ubuntu Unity pop up a context menu. This is a known issue along with the activated signal not going out.

                  mrjjM 1 Reply Last reply
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                  • A anshah

                    @jsulm I'll be happy if the QSystemTrayIcon can somehow capture mouse click events. It is not a QWidget so that has been difficult as well. What is happening is that both left/right clicks on Ubuntu Unity pop up a context menu. This is a known issue along with the activated signal not going out.

                    mrjjM Offline
                    mrjjM Offline
                    mrjj
                    Lifetime Qt Champion
                    wrote on last edited by
                    #12

                    Hi
                    Did you install Qt5.11 from Qt site or via apt-get ?
                    I recall cases from other posters where vanilla Qt from Qt site would
                    have issues with the Main Menus, but using the distro provided
                    Qt would actually work as intended.

                    A 1 Reply Last reply
                    0
                    • mrjjM mrjj

                      Hi
                      Did you install Qt5.11 from Qt site or via apt-get ?
                      I recall cases from other posters where vanilla Qt from Qt site would
                      have issues with the Main Menus, but using the distro provided
                      Qt would actually work as intended.

                      A Offline
                      A Offline
                      anshah
                      wrote on last edited by
                      #13

                      @mrjj It is definitely the vanilla Qt from the site. Let me uninstall and retry with apt-get. Thanks for the response!

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                      • A Offline
                        A Offline
                        anshah
                        wrote on last edited by
                        #14

                        I just installed Qt on Ubuntu using apt-get but apt-get only has 5.7 instead of 5.11.
                        Different behavior:

                        • icon shows up as blank in the system tray (triangle with exclamation in the middle)
                        • Menu Item contains "Activate" because I updated sni-qt.conf

                        It still doesn't solve my problem. I want the QSystemTrayIcon::activated to go out on left click or capture the left click somehow. I don't want to see an menu at all on left click.

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