Englisch hinzugefügt

src/core/MainWindow.cpp

@@ -135,6 +135,37 @@ void MainWindow::setupMenuBar()
     m_actDarkMode->setShortcut(Qt::CTRL | Qt::SHIFT | Qt::Key_D);
     connect(m_actDarkMode, &QAction::toggled, this, &MainWindow::onToggleDarkMode);
 
+    mAnsicht->addSeparator();
+
+    // Sprachauswahl
+    QMenu *mSprache = mAnsicht->addMenu(tr("Sprache"));
+    m_langGroup = new QActionGroup(this);
+    m_langGroup->setExclusive(true);
+
+    const QSettings langSettings(QSettings::IniFormat, QSettings::UserScope,
+                                 "BareCode", "BareCode");
+    const QString currentLocale = langSettings.value("language/locale",
+                                      QLocale::system().name()).toString();
+
+    struct LangEntry { QString locale; QString label; };
+    const QList<LangEntry> languages = {
+        { "de", "Deutsch" },
+        { "en", "English" },
+    };
+
+    for (const LangEntry &lang : languages)
+    {
+        QAction *act = mSprache->addAction(lang.label);
+        act->setCheckable(true);
+        act->setData(lang.locale);
+        act->setChecked(currentLocale.startsWith(lang.locale));
+        m_langGroup->addAction(act);
+        connect(act, &QAction::triggered, this, [this, lang]()
+        {
+            onLanguageChanged(lang.locale);
+        });
+    }
+
     // ---- Hilfe ----
     QMenu *mHilfe = menuBar()->addMenu(tr("&Hilfe"));
     m_actAbout = mHilfe->addAction(tr("&Über BareCode…"), this, &MainWindow::onAbout);
@@ -277,6 +308,17 @@ void MainWindow::onToggleDarkMode(bool checked)
     m_settings->setDarkMode(checked);
 }
 
+void MainWindow::onLanguageChanged(const QString &locale)
+{
+    QSettings s(QSettings::IniFormat, QSettings::UserScope, "BareCode", "BareCode");
+    s.setValue("language/locale", locale);
+
+    QMessageBox::information(this,
+        tr("Sprache geändert"),
+        tr("Die Sprache wird beim nächsten Start von BareCode aktiv.")
+    );
+}
+
 // ---------------------------------------------------------------------------
 // Slots – Hilfe
 // ---------------------------------------------------------------------------