WIP

src/gui/gui.py

@@ -1,8 +1,16 @@
+# Module header
+import sys
+
+if __name__ == "__main__":
+    sys.exit("This module is not intended to be executed as the main program.")
+
+# Imports
 import tkinter as tk
 from tkinter import ttk
 from src.core.image_handler import load_icon
 
-def main():
+# Functions
+def main() -> None:
     root = tk.Tk()
     root.title("Ukázka rozložení")
     root.geometry("800x600")
@@ -37,7 +45,7 @@ def main():
     states = {}
 
     # Funkce pro přepnutí checkboxu
-    def toggle(event):
+    def toggle(event) -> None:
         region = tree.identify("region", event.x, event.y)
         if region == "tree":
             item_id = tree.identify_row(event.y)
@@ -99,7 +107,4 @@ def main():
     tree.bind("<Button-3>", tree_right_click)
     listbox.bind("<Button-3>", list_right_click)
 
-    root.mainloop()
-
-if __name__ == "__main__":
-    main()
+    root.mainloop()