Skip to content

Instantly share code, notes, and snippets.

@nikolak
Last active February 7, 2024 12:52
Show Gist options
  • Save nikolak/10364096 to your computer and use it in GitHub Desktop.
Save nikolak/10364096 to your computer and use it in GitHub Desktop.
Filter tkinter listbox using Entry, StringVar and trace.
from Tkinter import *
# First create application class
class Application(Frame):
def __init__(self, master=None):
Frame.__init__(self, master)
self.pack()
self.create_widgets()
# Create main GUI window
def create_widgets(self):
self.search_var = StringVar()
self.search_var.trace("w", self.update_list)
self.entry = Entry(self, textvariable=self.search_var, width=13)
self.lbox = Listbox(self, width=45, height=15)
self.entry.grid(row=0, column=0, padx=10, pady=3)
self.lbox.grid(row=1, column=0, padx=10, pady=3)
# Function for updating the list/doing the search.
# It needs to be called here to populate the listbox.
self.update_list()
def update_list(self, *args):
search_term = self.search_var.get()
# Just a generic list to populate the listbox
lbox_list = ['Adam', 'Lucy', 'Barry', 'Bob',
'James', 'Frank', 'Susan', 'Amanda', 'Christie']
self.lbox.delete(0, END)
for item in lbox_list:
if search_term.lower() in item.lower():
self.lbox.insert(END, item)
root = Tk()
root.title('Filter Listbox Test')
app = Application(master=root)
print 'Starting mainloop()'
app.mainloop()
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment