Check system locale.

src/app/puzzle/vpapplication.cpp

@@ -397,6 +397,8 @@ void VPApplication::InitOptions()
     qCDebug(pApp, "Command-line arguments: %s", qUtf8Printable(arguments().join(", ")));
     qCDebug(pApp, "Process ID: %s", qUtf8Printable(QString().setNum(applicationPid())));
 
+    CheckSystemLocale();
+
     QPixmapCache::setCacheLimit(50 * 1024 /* 50 MB */);
 
     LoadTranslation(QString());// By default the console version uses system locale

src/app/tape/mapplication.cpp

@@ -423,6 +423,8 @@ void MApplication::InitOptions()
     qCDebug(mApp, "Command-line arguments: %s", qUtf8Printable(arguments().join(", ")));
     qCDebug(mApp, "Process ID: %s", qUtf8Printable(QString().setNum(applicationPid())));
 
+    CheckSystemLocale();
+
     LoadTranslation(QString());// By default the console version uses system locale
 
     static const char * GENERIC_ICON_TO_CHECK = "document-open";

src/app/valentina/core/vapplication.cpp

@@ -33,9 +33,7 @@
 #include "../ifc/exception/vexceptionemptyparameter.h"
 #include "../ifc/exception/vexceptionwrongid.h"
 #include "../ifc/exception/vexceptioninvalidnotch.h"
-#include "../vwidgets/vmaingraphicsview.h"
 #include "../version.h"
-#include "../vmisc/vmath.h"
 #include "../qmuparser/qmuparsererror.h"
 #include "../mainwindow.h"
 #include "../vmisc/qt_dispatch/qt_dispatch.h"
@@ -617,6 +615,8 @@ void VApplication::InitOptions()
     qDebug()<<"Command-line arguments:"<<arguments();
     qDebug()<<"Process ID:"<<applicationPid();
 
+    CheckSystemLocale();
+
     LoadTranslation(QString());// By default the console version uses system locale
 
     // Create command line parser after loading translations to show localized version.
@@ -628,7 +628,7 @@ void VApplication::InitOptions()
     }
 
     static const char * GENERIC_ICON_TO_CHECK = "document-open";
-    if (QIcon::hasThemeIcon(GENERIC_ICON_TO_CHECK) == false)
+    if (not QIcon::hasThemeIcon(GENERIC_ICON_TO_CHECK))
     {
         //If there is no default working icon theme then we should
         //use an icon theme that we provide via a .qrc file

src/libs/vmisc/vabstractapplication.cpp

@@ -277,8 +277,6 @@ void VAbstractApplication::LoadTranslation(const QString &locale)
     LoadQM(appTranslator, QStringLiteral("valentina_"), locale, appQmDir);
     installTranslator(appTranslator);
 
-    const QString system = Settings()->GetPMSystemCode();
-
     pmsTranslator = new QTranslator(this);
     LoadQM(pmsTranslator, QStringLiteral("measurements_") + Settings()->GetPMSystemCode() + '_', locale, appQmDir);
     installTranslator(pmsTranslator);
@@ -355,3 +353,13 @@ QFileDialog::Options VAbstractApplication::NativeFileDialog(QFileDialog::Options
 
     return options;
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractApplication::CheckSystemLocale()
+{
+    const QString defLocale = QLocale::system().name();
+    if (defLocale.startsWith(QLatin1String("ru")))
+    {
+        qFatal("Incompatible locale \"%s\"", qPrintable(defLocale));
+    }
+}

src/libs/vmisc/vabstractapplication.h

@@ -106,6 +106,8 @@ protected:
 
     virtual void InitTrVars()=0;
 
+    static void CheckSystemLocale();
+
 protected slots:
     virtual void AboutToQuit()=0;