Using Tkinter in python to edit the title bar
PythonTkinterTitlebarPython Problem Overview
I am trying to add a custom title to a window but I am having troubles with it. I know my code isn't right but when I run it, it creates 2 windows instead, one with just the title tk and another bigger window with "Simple Prog". How do I make it so that the tk window has the title "Simple Prog" instead of having a new additional window. I dont think I'm suppose to have the Tk() part because when i have that in my complete code, there's an error
from tkinter import Tk, Button, Frame, Entry, END
class ABC(Frame):
def __init__(self,parent=None):
Frame.__init__(self,parent)
self.parent = parent
self.pack()
ABC.make_widgets(self)
def make_widgets(self):
self.root = Tk()
self.root.title("Simple Prog")
Python Solutions
Solution 1 - Python
If you don't create a root window, Tkinter will create one for you when you try to create any other widget. Thus, in your __init__
, because you haven't yet created a root window when you initialize the frame, Tkinter will create one for you. Then, you call make_widgets
which creates a second root window. That is why you are seeing two windows.
A well-written Tkinter program should always explicitly create a root window before creating any other widgets.
When you modify your code to explicitly create the root window, you'll end up with one window with the expected title.
Example:
from tkinter import Tk, Button, Frame, Entry, END
class ABC(Frame):
def __init__(self,parent=None):
Frame.__init__(self,parent)
self.parent = parent
self.pack()
self.make_widgets()
def make_widgets(self):
# don't assume that self.parent is a root window.
# instead, call `winfo_toplevel to get the root window
self.winfo_toplevel().title("Simple Prog")
# this adds something to the frame, otherwise the default
# size of the window will be very small
label = Entry(self)
label.pack(side="top", fill="x")
root = Tk()
abc = ABC(root)
root.mainloop()
Also note the use of self.make_widgets()
rather than ABC.make_widgets(self)
. While both end up doing the same thing, the former is the proper way to call the function.
Solution 2 - Python
Here it is nice and simple.
root = tkinter.Tk()
root.title('My Title')
root
is the window you create and root.title()
sets the title of that window.
Solution 3 - Python
Try something like:
from tkinter import Tk, Button, Frame, Entry, END
class ABC(Frame):
def __init__(self, master=None):
Frame.__init__(self, master)
self.pack()
root = Tk()
app = ABC(master=root)
app.master.title("Simple Prog")
app.mainloop()
root.destroy()
Now you should have a frame with a title, then afterwards you can add windows for different widgets if you like.
Solution 4 - Python
One point that must be stressed out is: The .title() method must go before the .mainloop()
Example:
from tkinter import *
# Instantiating/Creating the object
main_menu = Tk()
# Set title
main_menu.title("Hello World")
# Infinite loop
main_menu.mainloop()
Otherwise, this error might occur:
File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/tkinter/__init__.py", line 2217, in wm_title
return self.tk.call('wm', 'title', self._w, string)
_tkinter.TclError: can't invoke "wm" command: application has been destroyed
And the title won't show up on the top frame.
Solution 5 - Python
Example of python GUI
Here is an example:
from tkinter import *;
screen = Tk();
screen.geometry("370x420"); //size of screen
> Change the name of window
screen.title('Title Name')
Run it:
screen.mainloop();
Solution 6 - Python
I found this works:
window = Tk()
window.title('Window')
Maybe this helps?
Solution 7 - Python
Having just done this myself you can do it this way:
from tkinter import Tk, Button, Frame, Entry, END
class ABC(Frame):
def __init__(self, parent=None):
Frame.__init__(self, parent)
self.parent = parent
self.pack()
ABC.make_widgets(self)
def make_widgets(self):
self.parent.title("Simple Prog")
You will see the title change, and you won't get two windows. I've left my parent
as master
as in the Tkinter reference stuff in the python library documentation.
Solution 8 - Python
For anybody who runs into the issue of having two windows open, and runs across this question. Here is how I stumbled upon a solution.
The reason the code in this question is producing two windows is because
Frame.__init__(self, parent)
is being run before
self.root = Tk()
The simple fix is to run Tk() before running Frame._init()
self.root = Tk()
Frame.__init__(self, parent)
Why that is the case, I'm not entirely sure.
Solution 9 - Python
Easy method:
root = Tk()
root.title('Hello World')
Solution 10 - Python
self.parent is a reference to the actual window, so self.root.title should be self.parent.title, and self.root shouldn't exist.
Solution 11 - Python
widget.winfo_toplevel().title("My_Title")
changes the title of either Tk
or Toplevel
instance that the widget
is a child of.
Solution 12 - Python
I found a solution that should help you:
from tkinter import Tk, Button, Frame, Entry, END
class ABC(Frame):
def __init__(self,master=None):
super().__init__(master)
self.pack()
self.master.title("Simple Prog")
self.make_widgets()
def make_widgets(self):
pass
root = Tk()
app = ABC(master=root)
app.mainloop()
Found at: docs.python.org