How do I change the background of a Frame in Tkinter?
Solution 1
The root of the problem is that you are unknowingly using the Frame
class from the ttk
package rather than from the tkinter
package. The one from ttk
does not support the background option.
This is the main reason why you shouldn't do wildcard imports -- you can overwrite the definition of classes and commands.
I recommend doing imports like this:
import tkinter as tk
import ttk
Then you prefix the widgets with either tk
or ttk
:
f1 = tk.Frame(..., bg=..., fg=...)
f2 = ttk.Frame(..., style=...)
It then becomes instantly obvious which widget you are using, at the expense of just a tiny bit more typing. If you had done this, this error in your code would never have happened.
Solution 2
You use ttk.Frame
, bg
option does not work for it. You should create style and apply it to the frame.
from tkinter import *
from tkinter.ttk import *
root = Tk()
s = Style()
s.configure('My.TFrame', background='red')
mail1 = Frame(root, style='My.TFrame')
mail1.place(height=70, width=400, x=83, y=109)
mail1.config()
root.mainloop()
IPDGino
I enjoy playing games and coding in python. Am currently making an Email client for displaying Gmail messages and sending messages.
Updated on November 10, 2021Comments
-
IPDGino over 2 years
I have been creating an Email program using Tkinter, in Python 3.3. On various sites I have been seeing that the Frame widget can get a different background using
Frame.config(background="color")
. However, when I use this in my Frames it gives the following error:_tkinter.TclError: unknown option "-Background"
It does not work when doing the following:
frame = Frame(root, background="white")
Or:
frame = Frame(root) frame.config(bg="white")
I can't figure it out. I would post my whole source code but I dont want it exposed on the internet, but the frame creation goes something like this:
mail1 = Frame(self, relief=SUNKEN) mail1.pack() mail1.place(height=70, width=400, x=803, y=109) mail1.config(Background="white")
I have tried multiple options trying to modify the background. The frame is like a wrap around an email preview for an inbox.
In case it's needed, this the way I am importing my modules:
import tkinter, time, base64, imaplib, smtplib from imaplib import * from tkinter import * from tkinter.ttk import *
The following is the full traceback:
Traceback (most recent call last): File "C:\Users\Wessel\Dropbox\Python\Main\Class Ginomail.py", line 457, in <module> main() File "C:\Users\Wessel\Dropbox\Python\Main\Class Ginomail.py", line 453, in main app = Application(root) #start the application with root as the parent File "C:\Users\Wessel\Dropbox\Python\Main\Class Ginomail.py", line 60, in __init__ self.initINBOX() File "C:\Users\Wessel\Dropbox\Python\Main\Class Ginomail.py", line 317, in initINBOX mail1.config(bg="white") File "C:\Python33\lib\tkinter\__init__.py", line 1263, in configure return self._configure('configure', cnf, kw) File "C:\Python33\lib\tkinter\__init__.py", line 1254, in _configure self.tk.call(_flatten((self._w, cmd)) + self._options(cnf)) _tkinter.TclError: unknown option "-bg"
Gives the following error with the code from the answer:
File "C:\Users\Wessel\Dropbox\Python\Main\Class Ginomail.py", line 317, in initINBOX mail1 = Frame(self, relief=SUNKEN, style='myframe') File "C:\Python33\lib\tkinter\ttk.py", line 733, in __init__ Widget.__init__(self, master, "ttk::frame", kw) File "C:\Python33\lib\tkinter\ttk.py", line 553, in __init__ tkinter.Widget.__init__(self, master, widgetname, kw=kw) File "C:\Python33\lib\tkinter\__init__.py", line 2075, in __init__ (widgetName, self._w) + extra + self._options(cnf)) _tkinter.TclError: Layout myframe not found
Solved! Thanks. Its the inbox bar to the right, background needed to be white.