Key handler does not depend on curses's screen anymore

dungeonbattle/enums.py

@@ -1,4 +1,5 @@
 from enum import Enum, auto
+from typing import Optional, Tuple
 
 from dungeonbattle.settings import Settings
 
@@ -19,23 +20,25 @@ class KeyValues(Enum):
     SPACE = auto()
 
     @staticmethod
-    def translate_key(key: str, settings: Settings) -> "KeyValues":
+    def translate_key(key: str, settings: Settings) \
+            -> Tuple[Optional["KeyValues"], str]:
         """
         Translate the raw string key into an enum value that we can use.
         """
         if key in (settings.KEY_DOWN_SECONDARY,
                    settings.KEY_DOWN_PRIMARY):
-            return KeyValues.DOWN
+            return KeyValues.DOWN, key
         elif key in (settings.KEY_LEFT_PRIMARY,
                      settings.KEY_LEFT_SECONDARY):
-            return KeyValues.LEFT
+            return KeyValues.LEFT, key
         elif key in (settings.KEY_RIGHT_PRIMARY,
                      settings.KEY_RIGHT_SECONDARY):
-            return KeyValues.RIGHT
+            return KeyValues.RIGHT, key
         elif key in (settings.KEY_UP_PRIMARY,
                      settings.KEY_UP_SECONDARY):
-            return KeyValues.UP
+            return KeyValues.UP, key
         elif key == settings.KEY_ENTER:
-            return KeyValues.ENTER
+            return KeyValues.ENTER, key
         elif key == ' ':
-            return KeyValues.SPACE
+            return KeyValues.SPACE, key
+        return None, key