test

Author: Vikranth3140

client.py

@@ -1,34 +1,70 @@
 import socket
 import threading
-
-# Choose a username
-username = input("Enter your username: ")
+import tkinter
+from tkinter import simpledialog
 
 # Client setup
 client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 client.connect(('localhost', 12345))
 
-# Listening to server and sending messages
 def receive_messages():
  while True:
  try:
  message = client.recv(1024).decode('utf-8')
  if message == 'USERNAME':
  client.send(username.encode('utf-8'))
  else:
- print(message)
+ chat_box.insert(tkinter.END, message + '\n')
  except:
  print('An error occurred!')
  client.close()
  break
 
-def write_messages():
- while True:
- message = f'{username}: {input("")}'
- client.send(message.encode('utf-8'))
+def write_messages(event=None):
+ message = message_entry.get()
+ message_entry.set('')
+ if message.startswith("@"):
+ recipient, private_message = message.split(' ', 1)
+ message = f'{recipient} {private_message}'
+ else:
+ message = f'{username}: {message}'
+ client.send(message.encode('utf-8'))
+
+def on_typing(event=None):
+ typing_message = f"{username} is typing..."
+ client.send(typing_message.encode('utf-8'))
+
+def stop_typing(event=None):
+ typing_message = f"{username} stopped typing."
+ client.send(typing_message.encode('utf-8'))
+
+# GUI setup
+root = tkinter.Tk()
+root.title("Chat Application")
+
+message_frame = tkinter.Frame(root)
+message_frame.pack()
+
+scrollbar = tkinter.Scrollbar(message_frame)
+scrollbar.pack(side=tkinter.RIGHT, fill=tkinter.Y)
+
+chat_box = tkinter.Text(message_frame, height=15, width=50, yscrollcommand=scrollbar.set)
+chat_box.pack(side=tkinter.LEFT, fill=tkinter.BOTH)
+chat_box.pack()
+
+message_entry = tkinter.StringVar()
+entry_field = tkinter.Entry(root, textvariable=message_entry)
+entry_field.bind("<Return>", write_messages)
+entry_field.bind("<KeyPress>", on_typing)
+entry_field.bind("<KeyRelease>", stop_typing)
+entry_field.pack()
+
+send_button = tkinter.Button(root, text="Send", command=write_messages)
+send_button.pack()
+
+username = simpledialog.askstring("Username", "Enter your username", parent=root)
 
 receive_thread = threading.Thread(target=receive_messages)
 receive_thread.start()
 
-write_thread = threading.Thread(target=write_messages)
-write_thread.start()
+tkinter.mainloop()

server.py

@@ -6,27 +6,37 @@
 server.bind(('localhost', 12345))
 server.listen()
 
-clients = []
-usernames = []
+clients = {}
+usernames = {}
 
 # Broadcast messages to all clients
-def broadcast(message):
+def broadcast(message, sender_client=None):
  for client in clients:
- client.send(message)
+ if client != sender_client:
+ client.send(message)
 
 # Handle messages from clients
 def handle_client(client):
  while True:
  try:
  message = client.recv(1024)
- broadcast(message)
+ if message:
+ message_decoded = message.decode('utf-8')
+ if message_decoded.startswith("@"):
+ recipient, private_message = message_decoded.split(' ', 1)
+ recipient_username = recipient[1:]
+ if recipient_username in usernames:
+ recipient_client = clients[usernames[recipient_username]]
+ recipient_client.send(f"Private from {usernames[client]}: {private_message}".encode('utf-8'))
+ else:
+ client.send(f"User {recipient_username} not found!".encode('utf-8'))
+ else:
+ broadcast(message, client)
  except:
- index = clients.index(client)
- clients.remove(client)
- client.close()
- username = usernames[index]
+ username = usernames.pop(client, None)
+ clients.pop(username, None)
  broadcast(f'{username} has left the chat!'.encode('utf-8'))
- usernames.remove(username)
+ client.close()
  break
 
 # Receive connections from clients
@@ -37,8 +47,8 @@ def receive_connections():
 
  client.send('USERNAME'.encode('utf-8'))
  username = client.recv(1024).decode('utf-8')
- usernames.append(username)
- clients.append(client)
+ clients[username] = client
+ usernames[client] = username
 
  print(f'Username of the client is {username}')
  broadcast(f'{username} has joined the chat!'.encode('utf-8'))