feat: initialize CCMA member administration

src/ccma/ui/window_state.py

@@ -0,0 +1,29 @@
+from __future__ import annotations
+
+import tkinter as tk
+
+
+def is_maximized(window: tk.Tk) -> bool:
+    try:
+        if window.state() == "zoomed":
+            return True
+    except tk.TclError:
+        pass
+    try:
+        return bool(int(window.attributes("-zoomed")))
+    except (tk.TclError, TypeError, ValueError):
+        return False
+
+
+def maximize(window: tk.Tk) -> bool:
+    try:
+        window.state("zoomed")
+        if is_maximized(window):
+            return True
+    except tk.TclError:
+        pass
+    try:
+        window.attributes("-zoomed", True)
+        return bool(int(window.attributes("-zoomed")))
+    except (tk.TclError, TypeError, ValueError):
+        return False