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 QString KeyUnit::getKeyName(int keyCode, int modifierCode)
 {
     QString name;
     /*
      Qt::NoModifier      0x00000000 No modifier key is pressed.
      Qt::ShiftModifier   0x02000000 A Shift key on the keyboard is pressed.
      Qt::ControlModifier 0x04000000 A Ctrl key on the keyboard is pressed.
      Qt::AltModifier     0x08000000 An Alt key on the keyboard is pressed.
      Qt::MetaModifier    0x10000000 A Meta key on the keyboard is pressed.
      Qt::KeypadModifier  0x20000000 A keypad button is pressed.
      Qt::GroupSwitchModifier 0x40000000 X11 only. A Mode_switch key on the keyboard is pressed.
     */
-    if (modifierCode == 0x00000000) {
-        name += "no modifiers + ";
-    }
-    if (modifierCode & 0x02000000) {
-        name += "shift + ";
-    }
-    if (modifierCode & 0x04000000) {
-        name += "control + ";
-    }
-    if (modifierCode & 0x08000000) {
-        name += "alt + ";
-    }
-    if (modifierCode & 0x10000000) {
-        name += "meta + ";
-    }
-    if (modifierCode & 0x20000000) {
-        name += "keypad + ";
+    if (!modifierCode) {
+        name += tr("no modifiers + ");
+    } else {
+        if (modifierCode & Qt::ShiftModifier) {
+#if defined(Q_OS_MAC)
+            name += tr("⇧ shift + ");
+#else
+            name += tr("shift + ");
+#endif
+        }
+        if (modifierCode & Qt::ControlModifier) {
+            // Control is the:
+            // "⌘ Command" on macOs (symbol is U+2318 PLACE OF INTEREST
+            //             a.k.a. "Cloverleaf"
+            // "Ctrl" on other platforms
+#if defined(Q_OS_MAC)
+            name += tr("⌘ command + ");
+#else
+            name += tr("ctrl + ");
+#endif
+        }
+        if (modifierCode & Qt::AltModifier) {
+            // Alt is the:
+            // "Option" on macOs
+            // "Alt" on other platform
+#if defined(Q_OS_MAC)
+            name += tr("⌥ option + ");
+#else
+            name += tr("alt + ");
+#endif
+        }
+        if (modifierCode & Qt::MetaModifier) {
+            // Meta is the:
+            // "Windows" keys on Wintel machines and
+            // "Control" on macOs
+            // "Meta" on other platforms
+#if defined(Q_OS_MAC)
+            name += tr("control + ");
+#elif defined(Q_OS_WIN)
+            name += tr("win + ");
+#else
+            name += tr("meta + ");
+#endif
+        }
+        if (modifierCode & Qt::KeypadModifier) {
+            name += tr("keypad + ");
+        }
+        if (modifierCode & Qt::GroupSwitchModifier) {
+            name += tr("groupswitch + ");
         }
-    if (modifierCode & 0x40000000) {
-        name += "groupswitch + ";
     }
+
     if (mKeys.contains(keyCode)) {
         name += mKeys[keyCode];
         return name;
     } else {
-        return QString("undefined key");
+        return tr("%1undefined key {code: 0x%2}").arg(name).arg(keyCode, 8, 16, QLatin1Char('0'));
     }
 }