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MacOS: how to run AppleScript script from a Qt app?

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  • G Offline
    G Offline
    gaojinhsu
    wrote on 20 Jan 2014, 08:44 last edited by
    #23

    The following code cannot succeed to open the proxy settings. but the apple script works fine in AppleScript Editor. Any advice? using Qt 5.2 and OSX10.9
    @QString aScript = "tell application "System Preferences"\nactivate\nset current pane to pane "com.apple.preference.network"\n activate\n end tell\n"
    "tell application "System Events" to tell process "System Preferences" to tell window 1 \n click button 8 \n"
    "click radio button 6 of tab group 1 of sheet 1 \n end tell";

    QString osascript = "/usr/bin/osascript";
    QStringList processArguments;
    processArguments << "-l" << "AppleScript";
    QProcess p;
    p.start(osascript, processArguments);
    p.write(aScript.toUtf8());
    p.closeWriteChannel();
    p.waitForFinished();@
    

    [quote author="Volker" date="1291398206"]This may give you a start:

    @
    #include <QApplication>
    #include <QProcess>

    int main(int argc, char **argv)
    {
    QApplication a(argc, argv);

    QString aScript =
            "tell application \"System Events\"\n"
            "    activate\n"
            "    display dialog \"Hello world\"\n"
            "end tell\n";
    
    QString osascript = "/usr/bin/osascript";
    QStringList processArguments;
    processArguments << "-l" << "AppleScript";
    
    QProcess p;
    p.start(osascript, processArguments);
    p.write(aScript.toUtf8());
    p.closeWriteChannel();
    p.waitForFinished();
    

    }
    @[/quote]

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    • J Offline
      J Offline
      janfaroe
      wrote on 20 Jan 2014, 08:51 last edited by
      #24

      What does QProcess::exitStatus() give you after start()? And QProcess::errorString()?

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      • G Offline
        G Offline
        gaojinhsu
        wrote on 20 Jan 2014, 09:24 last edited by
        #25

        QProcess::exitStatus(), 0;
        QProcess::errorString() , Unkonwn error;

        my code works imperfect ( which is system preferences->Network; but I want it to be system preferences->Network->advanced...->Proxies)

        And I find chrome does it in a different way, not applescript maybe.(you could check it out by clicking settings->show advanced settings->change proxy settings)
        because I cannot find chrome.app at System Preferences->Security&Privacy->Privacy->Accessibility(Allow the apps below to control youe computer).

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        • J Offline
          J Offline
          janfaroe
          wrote on 20 Jan 2014, 09:53 last edited by
          #26

          I suggest you try debugging in the terminal, where you'd get warnings/errors right away, and work your way from there.

          As for Chrome and other browsers: I strongly believe they take their default settings from the system ones, ie. those presented in the System Preferences.

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          • S Offline
            S Offline
            SGaist
            Lifetime Qt Champion
            wrote on 20 Jan 2014, 20:54 last edited by
            #27

            Hi,

            From a look at osascript's documentation, I would say that you are not feeding it correctly. I think you should be using several -e to build your multiline script.

            Hope it helps

            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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            • J Offline
              J Offline
              janfaroe
              wrote on 20 Jan 2014, 20:58 last edited by
              #28

              Multiline is not a problem, at least not in my case. I'm NL'ing with \n as well. I think QProcess is taking care of that part as long as it's in the argument list.

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              • S Offline
                S Offline
                SGaist
                Lifetime Qt Champion
                wrote on 20 Jan 2014, 23:16 last edited by
                #29

                Since you have an example working, can you compare what parameters you give to oascript ? There may be something like a missing "-" to tell oascript to read from stdin

                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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                • J Offline
                  J Offline
                  janfaroe
                  wrote on 21 Jan 2014, 08:25 last edited by
                  #30

                  Sure, although it seems very identical to me. I think the problem is in the script itself.

                  @QStringList args;
                  QProcess p;
                  scriptText =
                  "tell application "iTunes"\n"
                  "if not (exists user playlist "%1") then\n"
                  " make new user playlist with properties {name:"%1"}\n"
                  "end if\n"
                  "set newFile to (POSIX file "%2")\n"
                  "set newTrack to (add newFile to playlist "%1")\n"
                  "set comment of newTrack to "%3""
                  "\n"
                  "end tell";
                  fileName = fileName.replace(""", "\"");
                  args << "-l" << "AppleScript";
                  scriptLauncherBinary = "/usr/bin/osascript";
                  p.start(scriptLauncherBinary, args);
                  p.write(scriptText.arg(plName).arg(fileName).arg(getComment()).toUtf8());
                  p.closeWriteChannel();@

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                  • G Offline
                    G Offline
                    gaojinhsu
                    wrote on 21 Jan 2014, 08:41 last edited by
                    #31

                    I mean the way how chrome opens the network setting dialog, not how it sets proxies...have a look "here":http://dougscripts.com/itunes/2013/10/os-x-10-9-applescripts-and-accessibility-control/ so if chrome uses applescript to open the proxies settings dialog, it should be in the list of "Allow the apps below to control your computer". I am very curious how chrome could skip it.
                    [quote author="janfaroe" date="1390211636"]
                    As for Chrome and other browsers: I strongly believe they take their default settings from the system ones, ie. those presented in the System Preferences. [/quote]

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                    • J Offline
                      J Offline
                      janfaroe
                      wrote on 21 Jan 2014, 08:49 last edited by
                      #32

                      Yes, but why would you be interested in opening Chromes network settings, if the system settings can override it?

                      Edit: Ah, because of the "allow the apps below..." setting. Sorry, not an Applescript expert.

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                      • G Offline
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                        gaojinhsu
                        wrote on 21 Jan 2014, 08:55 last edited by
                        #33

                        because I think it is a good user experience, I wanna add a button like that in my app.

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                        • G Offline
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                          gaojinhsu
                          wrote on 21 Jan 2014, 09:03 last edited by
                          #34

                          Thanks anyway, that's very kind of you for giving me the advice.

                          [quote author="janfaroe" date="1390294144"]Yes, but why would you be interested in opening Chromes network settings, if the system settings can override it?

                          Edit: Ah, because of the "allow the apps below..." setting. Sorry, not an Applescript expert.[/quote]

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                          • J Offline
                            J Offline
                            janfaroe
                            wrote on 21 Jan 2014, 09:22 last edited by
                            #35

                            You're welcome :-)

                            Well, it depends on the scope of your application. If it's necessary, then it's necessary.

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                            • Z Offline
                              Z Offline
                              zyfihx
                              wrote on 31 Dec 2021, 17:14 last edited by
                              #36

                              About running such a script as a QProcess : I am trying to make it work in a sandbox environment (App Store), but I'm not sure wether the main app's entitlements apply to the osascript QProcess launched ? I'm getting access violation errors but I'm not sure if it's because my app is not signed correctly with entitlements, or if maybe it is because I must figure out a way to get the entitlements to apply also to the subprocess...

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