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small translation-file handling / loading changes and re-work comments to be clearer
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@ -187,30 +187,31 @@ int main(int argc, char *argv[])
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// ... then GUI settings:
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OptionsModel optionsModel;
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// Get desired locale ("en_US") from command line or system locale
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// Get desired locale (e.g. "de_DE") from command line or use system locale
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QString lang_territory = QString::fromStdString(GetArg("-lang", QLocale::system().name().toStdString()));
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QString lang = lang_territory;
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// Convert to "de" only by truncating "_DE"
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lang.truncate(lang_territory.lastIndexOf('_'));
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QTranslator qtTranslatorBase, qtTranslator, translatorBase, translator;
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// Load language files for configured locale:
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// - First load the translator for the base language, without territory
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// - Then load the more specific locale translator
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QString lang = lang_territory;
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lang.truncate(lang_territory.lastIndexOf('_')); // "en"
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QTranslator qtTranslatorBase, qtTranslator, translatorBase, translator;
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qtTranslatorBase.load(QLibraryInfo::location(QLibraryInfo::TranslationsPath) + "/qt_" + lang);
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if (!qtTranslatorBase.isEmpty())
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// Load e.g. qt_de.qm
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if (qtTranslatorBase.load("qt_" + lang, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
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app.installTranslator(&qtTranslatorBase);
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qtTranslator.load(QLibraryInfo::location(QLibraryInfo::TranslationsPath) + "/qt_" + lang_territory);
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if (!qtTranslator.isEmpty())
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// Load e.g. qt_de_DE.qm
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if (qtTranslator.load("qt_" + lang_territory, QLibraryInfo::location(QLibraryInfo::TranslationsPath)))
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app.installTranslator(&qtTranslator);
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translatorBase.load(":/translations/"+lang);
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if (!translatorBase.isEmpty())
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// Load e.g. bitcoin_de.qm (shortcut "de" needs to be defined in bitcoin.qrc)
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if (translatorBase.load(lang, ":/translations/"))
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app.installTranslator(&translatorBase);
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translator.load(":/translations/"+lang_territory);
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if (!translator.isEmpty())
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// Load e.g. bitcoin_de_DE.qm (shortcut "de_DE" needs to be defined in bitcoin.qrc)
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if (translator.load(lang_territory, ":/translations/"))
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app.installTranslator(&translator);
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QSplashScreen splash(QPixmap(":/images/splash"), 0);
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