initial gui

messenger_gui/app/main.py

@@ -0,0 +1,32 @@
+import tkinter as tk
+from app.views.login import LoginView
+from app.views.initial import InitialView
+from app.views.signup import SignupView
+
+
+class MainApplication(tk.Tk):
+    def __init__(self):
+        super().__init__()
+
+        self.title("Messenger App")
+
+        screen_height = self.winfo_screenheight()
+        self.geometry(f"{screen_height // 2}x{screen_height // 2}")
+
+        # Create instances of the views
+        self.login_view = LoginView(self)
+        self.initial_view = InitialView(self)
+        self.signup_view = SignupView(self)
+        self.main_view = tk.Label(self, text="Main View")
+
+        self.current_view = None
+        self.change_view(self.initial_view)
+
+    def change_view(self, view: tk.Frame):
+        if self.current_view:
+            self.current_view.pack_forget()
+
+        self.current_view = view
+        self.current_view.pack(expand=True, fill=tk.BOTH)
+        self.current_view.place(relx=0.5, rely=0.5, anchor=tk.CENTER)
+