VulcanBoard/config.diff

diff --git a/VulcanBoard.py b/VulcanBoard.py
index e64c74c..1f6ec1e 100644
--- a/VulcanBoard.py
+++ b/VulcanBoard.py
@@ -20,6 +20,7 @@ from os import path, getenv, name
 import subprocess
 import sys
 from dataclasses import dataclass
+from argparse import ArgumentParser
 
 import yaml
 from termcolor import colored
@@ -40,7 +41,7 @@ def log(message: str, color="green") -> None:
     print(colored("[*] {}".format(message), color))  # pyright: ignore
 
 
-def get_config_path():
+def get_default_config_path():
     if name == "nt":
         return path.join(getenv("APPDATA", ""), "VulcanBoard", "config.yml")
     xdg_config_home = getenv("XDG_CONFIG_HOME", path.expanduser("~/.config"))
@@ -59,6 +60,35 @@ def is_valid_hexcolor(hexcolor: str) -> bool:
     return True
 
 
+@dataclass
+class CmdlineArgs:
+    use_fullscreen: bool
+    config_path: str
+
+
+def parse_argv() -> CmdlineArgs:
+    parser = ArgumentParser(
+        prog="VulcanBoard",
+        description="a hotkey board for desktop touchscreens",
+    )
+    parser.add_argument(
+        "-f",
+        "--fullscreen",
+        action="use_fullscreen",
+        help="open hotkey deck in fullscreen mode",
+    )
+    parser.add_argument(
+        "-c",
+        "--config-file",
+        type=str,
+        help="specify the configuration file to use",
+        default=get_default_config_path(),
+    )
+
+    args = parser.parse_args()
+    return CmdlineArgs(args.fullscreen, args.config_path)
+
+
 @dataclass
 class Config:
     columns: int
@@ -137,7 +167,7 @@ class ConfigLoader:
 
 class VulcanBoardApp(App):
     def build(self) -> GridLayout:
-        config = ConfigLoader(get_config_path())
+        config = ConfigLoader(get_default_config_path())
 
         button_map = {
             (btn["position"][0], btn["position"][1]): btn