Added tips for both entry and text box

import tkinter as tk

from tkinter import ttk

import requests

lite_conversation_history = ""

def launch_pymol():

    """start a new process to launch PyMOL

    Only tested on MacOS, may be different on other OS

def send_message():

    message = entry.get()

    old_chat = chat.get("1.0", "end-1c")

    if (old_chat == chat_tips):

       chat.delete("1.0","end-1c")

       chat.config(fg = 'black')

    chat.config(state='normal')

    chat.insert(tk.END, "You: " + message + "\n")

    response = chatlite(message)

    chat.insert(tk.END, "ChatMol-Lite: " + '\n'.join(response) + "\n")

    #chat.config(state='disabled')

    #script.insert(tk.END, '\n'.join(response) + "\n")

    entry.delete(0, tk.END)

def send_response_to_server():

# GUI code

window = tk.Tk()

window.geometry("300x675")

window.title("ChatMol-Lite")

# Create the main container

frame = ttk.Frame(window, padding="10 10 10 10")

frame.grid(column=0, row=0, sticky=(tk.W, tk.E, tk.N, tk.S))

window.columnconfigure(0, weight=1)

window.rowconfigure(0, weight=1)

frame.columnconfigure(0, weight=1)

frame.columnconfigure(1, weight=3)  # Make the right panel take up more space

frame = ttk.Frame(window, padding="5 5 5 5")

frame.pack(fill='both', expand=True)

# left 

left_frame = ttk.Frame(frame, padding="10 10 10 10")

left_frame.grid(column=0, row=0, sticky=(tk.W, tk.E, tk.N, tk.S))

# Create the chat box in the left container

chat = tk.Text(left_frame, state='normal')

chat_tips = 'PyMOL commands from ChatMol will be displayed here. The last group of PyMOL commands can be executed by PyMOL when you hit the "Send to PyMOL"'

# Create the chat box in the container

chat = tk.Text(frame, bg='white', fg='black', state='normal')  # change background color to white

chat.insert('end', chat_tips)

chat.config(fg = '#909090')

chat.pack(fill='both', expand=True)

# Create the entry box in the left container

entry = tk.Entry(left_frame)

entry_tips = 'Type ChatMol message here...'

# Create the entry box in the container

entry = tk.Entry(frame,bg='white', fg='#909090')

entry.insert(0, entry_tips)

entry.pack(fill='x')

def on_entry_click(event):

    """function that gets called whenever entry is clicked"""

    if entry.get() == entry_tips:

       entry.delete(0, "end") # delete all the text in the entry

       entry.insert(0, '') # Insert blank for user input

       entry.config(fg = '#010101')

def on_focusout(event):

    if entry.get() == '':

        entry.insert(0, entry_tips)

        entry.config(fg = '#909090')

# Create the send button in the left container

send_button = ttk.Button(left_frame, text="Send to PyMOL", command=send_response_to_server)

send_button = ttk.Button(frame, text="Send to PyMOL", command=send_response_to_server)

send_button.pack(fill='x')

entry.bind('<Return>', lambda event: send_message())

entry.bind('<FocusIn>', on_entry_click)

entry.bind('<FocusOut>', on_focusout)

# Launch PyMOL in a separate thread

if __name__ == "__main__":

    from pymol_server import *

window.mainloop()