# Tk_replace_hypertext.py

# Tk_replace_hypertext.py

from tkinter import *

root = Tk()
root.title('Tk_replace_hypertext')

canvas = Canvas(root, width=400, height=100)
canvas.pack()

sample_list = 'this is a sample list of words for the pop up menu'.split()

hypertext_word = 'click this text to open the menu'

# insert sample_list into a menu
menu = Menu(root, tearoff=0)
for word in sample_list:
    menu.add_command(label=word)

# create a hypertext
hypertext = canvas.create_text(200, 50, text=hypertext_word,
                               font=('Arial', 20),
                               fill='red',
                               activefill='green',
                               tags='hypertext')

# bind the hypertext to the menu
canvas.tag_bind(hypertext, '<Button-1>',
                lambda e: menu.post(e.x_root + 20, e.y_root - 50))

def replace_hypertext(event):
    # replace the clicked on hypertext word
    # with the menu word clicked on
    try:
        menu_word = menu.entrycget(menu.index('active'), 'label')
        canvas.itemconfigure(hypertext, text=menu_word)
    except:
        0

# bind the menu to the hypertext click
menu.bind('<<MenuSelect>>', replace_hypertext)

root.mainloop()