remove footer, add input method

bingo.py

@@ -58,13 +58,10 @@ class BingoApp(App):
     """A Textual app to run a Bingo board."""
     CSS_PATH = "bingo.tcss"
 
-    BINDINGS = [("d", "toggle_dark", "Toggle dark mode")]
-
     def compose(self) -> ComposeResult:
         """Create child widgets for the app."""
         yield Header()
         yield BingoDisplay()
-        yield Footer()
 
     def action_toggle_dark(self) -> None:
         """An action to toggle dark mode."""
@@ -88,7 +85,7 @@ class BingoDisplay(Static):
         self.input_field.border_title = 'Seed'
         yield Horizontal(
             self.input_field,
-            Button('re-roll', classes='roll_btn'),
+            Button.error(':game_die: re-roll', classes='roll_btn'),
             classes='bottom_line'
         )
 
@@ -98,6 +95,10 @@ class BingoDisplay(Static):
         self.board.roll_board(int(datetime.now().timestamp()))
         self.input_field.value = str(self.board.seed)
 
+    def on_input_submitted(self, event: Input.Submitted) -> None:
+        if event.validation_result:
+            self.board.roll_board(int(event.value))
+
 class BingoBoard(Widget):
 
     fields = reactive([], recompose = True)
@@ -132,19 +133,15 @@ class BingoBoard(Widget):
                 'geduscht',
                 'Gulasch gegessen'
             ]
-
+        self.default_fields = self.fields
         self.roll_board(int(datetime.now().timestamp()))
 
     def roll_board(self, seed):
-        print('rolling board.')
         self.seed = seed
         random.seed(seed)
-        self.fields = random.sample(self.fields, len(self.fields))
-        print('board after shuf:')
-        print(self.fields)
+        self.fields = random.sample(self.default_fields, len(self.fields))
 
     def watch_fields(self, new_state) -> None:
-        print('watch_fields: called')
         self.fieldstate = [False for _ in range(25)]
         for idx, field in enumerate(self.query(BingoField)):
             field.text = new_state[idx]