Merge pull request #96 from Palak1725/main

Fix user dialog UI and center window on screen

Author: PrakharDoneria

settings.json

@@ -3,10 +3,10 @@
     "model_source": "",
     "layout": {
         "prompt_view_visible": true,
-        "editor_view_visible": true,
+        "editor_view_visible": false,
         "sash_position": 914
     },
     "font_family": "Verdana",
     "font_size": 12,
     "theme": "Dark"
-}
+}

ui.py

@@ -1,11 +1,15 @@
 import tkinter as tk
 from ui_items.karbon_ui import KarbonUI
+from user_manager import select_or_create_user
 
 if __name__ == "__main__":
+    # Before launching Karbon UI
+    CURRENT_USER = select_or_create_user()
+
+    # Launch Tkinter UI
     root = tk.Tk()
-    app = KarbonUI(root)
+    app = KarbonUI(root, user=CURRENT_USER)
     root.mainloop()
-
 import tkinter as tk
 
 # Define theme dictionaries

ui_items/karbon_ui.py

@@ -25,8 +25,9 @@
 
 
 class KarbonUI:
-    def __init__(self, root):
+    def __init__(self, root, user=None):
         self.root = root
+        self.user = user
         self.setup_window()
         self.setup_styles()
         self.code = ""

user_manager.py

@@ -16,30 +16,44 @@ def select_or_create_user():
 
     # Create custom dark-themed dialog
     dialog = tk.Toplevel()
-    dialog.title("Select or Create User")
+    dialog.title("User Login")
     dialog.configure(bg="#161921")
     dialog.resizable(False, False)
 
-    # Prompt text
-    if existing_users:
-        prompt = f"Existing users: {', '.join(existing_users)}"
-    else:
-        prompt = "No users found. Please enter a new username:"
+    # --- Center dialog on screen ---
+    dialog.update_idletasks()
+    x = (dialog.winfo_screenwidth() - dialog.winfo_reqwidth()) // 2
+    y = (dialog.winfo_screenheight() - dialog.winfo_reqheight()) // 2
+    dialog.geometry(f"+{x}+{y}")
 
-    prompt_label = tk.Label(dialog, text=prompt, fg="white", bg="#161921", font=("Segoe UI", 10, "bold"))
-    prompt_label.pack(pady=(15, 5), padx=20)
+    # Prompt label
+    prompt_label = tk.Label(dialog, text="Enter username:",
+                            fg="white", bg="#161921",
+                            font=("Segoe UI", 10, "bold"))
+    prompt_label.pack(pady=(15, 5))
 
     # Entry field
-    username_entry = tk.Entry(dialog, font=("Segoe UI", 10), bg="#202329", fg="white", insertbackground="white", width=30, relief=tk.SOLID, highlightbackground="white", highlightthickness=3)
+    username_entry = tk.Entry(dialog, font=("Segoe UI", 10),
+                            bg="#202329", fg="white", insertbackground="white",
+                            width=30, relief=tk.SOLID,
+                            highlightbackground="white", highlightthickness=3,
+                            justify="center")
     username_entry.pack(pady=5, padx=20, ipady=4)
 
+
     result = {"username": None}
 
-    # Button functions
+
     def on_ok():
-        result["username"] = username_entry.get().strip()
+        username = username_entry.get().strip()
+        if not username:   # empty input
+            messagebox.showerror("Invalid Username", "Username cannot be empty.")
+            return
+        result["username"] = username
+        root.quit()
         dialog.destroy()
 
+
     def on_cancel():
         dialog.destroy()
         root.destroy()
@@ -60,10 +74,6 @@ def on_cancel():
 
     username = result["username"]
 
-    if not username:
-        messagebox.showerror("No Username", "Username is required to continue.")
-        exit()
-
     # Create user folders/files if needed
     user_path = os.path.join(USERS_DIR, username)
     os.makedirs(user_path, exist_ok=True)