1+ import tkinter as tk
2+ from tkinter import simpledialog , messagebox
3+ 4+ def add_task ():
5+ global listbox_tasks , entry_task
6+ task = entry_task .get ()
7+ if task :
8+ listbox_tasks .insert (tk .END , task )
9+ entry_task .delete (0 , tk .END )
10+ else :
11+ messagebox .showwarning ("Warning" , "Please enter a task." )
12+ 13+ def delete_task ():
14+ global listbox_tasks
15+ try :
16+ index = listbox_tasks .curselection ()[0 ]
17+ listbox_tasks .delete (index )
18+ except IndexError :
19+ messagebox .showwarning ("Warning" , "Please select a task to delete." )
20+ 21+ def edit_task ():
22+ global listbox_tasks
23+ try :
24+ index = listbox_tasks .curselection ()[0 ]
25+ old_task = listbox_tasks .get (index )
26+ new_task = simpledialog .askstring ("Edit Task" , "Edit the selected task:" , initialvalue = old_task )
27+ if new_task :
28+ listbox_tasks .delete (index )
29+ listbox_tasks .insert (index , new_task )
30+ except IndexError :
31+ messagebox .showwarning ("Warning" , "Please select a task to edit." )
32+ 33+ def main ():
34+ global listbox_tasks , entry_task
35+ root = tk .Tk ()
36+ root .title ("Task 1 To-Do List" )
37+ 38+ frame_tasks = tk .Frame (root )
39+ frame_tasks .pack (pady = 10 )
40+ 41+ listbox_tasks = tk .Listbox (frame_tasks , width = 50 , height = 10 , selectbackground = "green" )
42+ listbox_tasks .pack (side = tk .LEFT , fill = tk .BOTH )
43+ 44+ scrollbar_tasks = tk .Scrollbar (frame_tasks )
45+ scrollbar_tasks .pack (side = tk .RIGHT , fill = tk .BOTH )
46+ 47+ listbox_tasks .config (yscrollcommand = scrollbar_tasks .set )
48+ scrollbar_tasks .config (command = listbox_tasks .yview )
49+ 50+ entry_task = tk .Entry (root , width = 50 )
51+ entry_task .pack (pady = 10 )
52+ 53+ button_add_task = tk .Button (root , text = "Add Task" , command = add_task )
54+ button_add_task .pack (side = tk .LEFT , padx = 5 )
55+ 56+ button_delete_task = tk .Button (root , text = "Delete Task" , command = delete_task )
57+ button_delete_task .pack (side = tk .LEFT , padx = 5 )
58+ 59+ button_edit_task = tk .Button (root , text = "Edit Task" , command = edit_task )
60+ button_edit_task .pack (side = tk .LEFT , padx = 5 )
61+ 62+ root .mainloop ()
63+ 64+ if __name__ == "__main__" :
65+ main ()
0 commit comments