Ability to configure background color

example_config.json

@@ -20,5 +20,6 @@
             "label": "example 5",
             "url": "http://example.com"
         }
-    ]
+    ],
+    "bg_color": "lime"
 }

menu.py

@@ -63,35 +63,35 @@ class Button:
 
 
 class MessageBoard(IBoard):
-    def __init__(self, screen_rect: pygame.Rect, text: str):
+    def __init__(self, screen_rect: pygame.Rect, text: str, bg_color: str):
         self.text = text
         self.font = pygame.freetype.SysFont(name="Sans", size=30)
         text_rect = self.font.get_rect(self.text)
         self.text_pos = pygame.Rect((screen_rect.left + (screen_rect.width - text_rect.width)/2),
                                     (screen_rect.top + (screen_rect.height - text_rect.height)/2),
                                     text_rect.width, text_rect.height)
+        self.bg_color = bg_color
 
     def handle_event(self, _):
         pass
 
     def draw(self, screen: pygame.Surface):
-        screen.fill("purple")
+        screen.fill(self.bg_color)
         self.font.render_to(screen, self.text_pos, self.text, fgcolor="black")
 
 
 class MenuBoard(IBoard):
     BUTTON_MARGINS = 10
 
-    def __init__(self, screen_rect: pygame.Rect, buttons: List[ButtonDef]):
+    def __init__(self, screen_rect: pygame.Rect, buttons: List[ButtonDef], bg_color: str):
         self.rows = math.floor(math.sqrt(len(buttons)))
         self.cols = math.ceil(math.sqrt(len(buttons)))
         if (self.rows * self.cols) < len(buttons):
             # extra row if buttons don't fit
             self.rows += 1
         button_positions = self.generate_button_positions(screen_rect)
-        self.buttons = list(map(lambda d: Button(next(button_positions),
-                                                 f"Button {d['text']}",
-                                                 d['cbk']), buttons))
+        self.buttons = list(map(lambda d: Button(next(button_positions), d['text'], d['cbk']), buttons))
+        self.bg_color = bg_color
 
     def generate_button_positions(self, screen_rect: pygame.Rect):
         current_button_row = 0
@@ -112,21 +112,22 @@ class MenuBoard(IBoard):
             b.handle_event(event)
 
     def draw(self, screen: pygame.Surface):
-        screen.fill("purple")
+        screen.fill(self.bg_color)
         for b in self.buttons:
             b.draw(screen)
 
 
 class App:
-    def __init__(self, urls: List[UrlDef]):
+    def __init__(self, urls: List[UrlDef], bg_color: str):
         pygame.init()
         info = pygame.display.Info()
         self.screen = pygame.display.set_mode((info.current_w, info.current_h), flags=pygame.FULLSCREEN)
         self.clock = pygame.time.Clock()
         self.running = False
+        self.bg_color = bg_color
         buttons = list(map(lambda u: ButtonDef(text=u['label'], cbk=self.button_press_handler(u['url'])), urls))
         buttons.append(ButtonDef(text="Exit", cbk=self.quit))
-        self.board: IBoard = MenuBoard(self.get_screen_rect(), buttons)
+        self.board: IBoard = MenuBoard(self.get_screen_rect(), buttons, bg_color)
         self.task_q = Queue()
 
     def get_screen_rect(self) -> pygame.Rect:
@@ -145,7 +146,7 @@ class App:
 
             process_thr = Thread(target=thr_fun)
             process_thr.start()
-            self.board = MessageBoard(self.get_screen_rect(), f"Fetching: {url}")
+            self.board = MessageBoard(self.get_screen_rect(), f"Fetching: {url}", bg_color=self.bg_color)
         return impl
 
     def loop(self):
@@ -168,14 +169,12 @@ class App:
         pygame.quit()
 
     def quit(self):
-        self.board = MessageBoard(self.get_screen_rect(), "Exiting...")
+        self.board = MessageBoard(self.get_screen_rect(), "Exiting...", bg_color=self.bg_color)
         self.running = False
 
 
-def get_config(path: str) -> List[UrlDef]:
+def get_url_defs(config_data: dict) -> List[UrlDef]:
     url_defs = []
-    with open(path, "rb") as f:
-        data = json.load(f)
     for d in data['urls']:
         url_defs.append(UrlDef(label=d['label'], url=d['url']))
     return url_defs
@@ -185,5 +184,11 @@ if __name__ == '__main__':
     parser = argparse.ArgumentParser()
     parser.add_argument("config_path", help="Path to the config file.", type=str)
     args = parser.parse_args()
-    app = App(get_config(args.config_path))
+
+    url_defs: List[UrlDef] = []
+    with open(args.config_path, "rb") as f:
+        data = json.load(f)
+        url_defs = get_url_defs(data)
+
+    app = App(url_defs, bg_color=data["bg_color"])
     app.loop()