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Thread: [SOLVED] Get system language on Mac OS X

  1. #1
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    Default [SOLVED] Get system language on Mac OS X

    Hi all,

    On Mac OS X, QLocale::system() refers to Region rather than Language.
    Is there a (Qt or other) way to access the Language from C++ code?
    Edit: I'm currently on Qt 5.2.

    Thx


    Added after 12 minutes:


    Supplement:
    I found this AppleScript approach which might help. However I'd prefer something more convenient... Qt-ish or at least C++-ish...
    Last edited by zaphod.b; 30th December 2013 at 16:50. Reason: mark as solved

  2. #2
    Join Date
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    Default Re: Get system language on Mac OS X

    I'll solve myself:

    From the QSettings doc:
    On Mac OS X, allKeys() will return some extra keys for global settings that apply to all applications. These keys can be read using value() but cannot be changed, only shadowed. Calling setFallbacksEnabled(false) will hide these global settings.
    QSettings::allKeys() lists, among many others, "AppleLanguages" - which I have come across before, see above.

    So the solution is simple:
    Qt Code:
    1. QSettings settings; //no user specific settings needed
    2. QVariant osxLanguageSettings = settings.value("AppleLanguages"); //list of all languages (as opposed to regions) as set in the system preferences
    3. QStringList displayLanguages = osxLanguageSettings.toStringList(); //e.g. {"en", "de", "fr", "it"} on my system
    4. QString preferredLanguage = displayLanguages.first(); //first in list is the preferred one
    5. qDebug() << "preferred language is:" << preferredLanguage; //"en"
    6. //however...
    7. qDebug() << "system locale is:" << QLocale::system(); //e.g. "nb_NO" in case of 'Norwegian Bokmål' region/locale
    To copy to clipboard, switch view to plain text mode 
    You can iterate the list for a fallback.

    Hth.
    Last edited by zaphod.b; 30th December 2013 at 22:49.

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