Set the titlebar icon of any tkinter/toplevel window

Set the titlebar icon of any tkinter/toplevel window

Setting the title bar icon in a Tkinter window (whether it's the main window or any top-level window) is a common practice to brand your application or to provide a visual indication of the application's purpose.

Here's a step-by-step tutorial on how to set the titlebar icon of any Tkinter or Toplevel window:

1. Prerequisites:

You'll need an icon file. The preferred format for icons in Tkinter is .ico for Windows. On Linux, you can use .png or .gif.

2. Setting Icon for Main Window:

Step 1: Import Tkinter

import tkinter as tk

Step 2: Create Main Application Window

root = tk.Tk() root.title("Icon Example")

Step 3: Set the Icon

root.iconbitmap('path_to_icon.ico') # Replace 'path_to_icon.ico' with your icon file's path.

3. Setting Icon for Toplevel Window:

If you're creating additional windows using the Toplevel widget, you can set their icons in a similar manner:

top = tk.Toplevel(root) top.title("Toplevel Icon Example") top.iconbitmap('path_to_icon.ico')

4. Complete Example:

Combining everything, here's a simple example:

import tkinter as tk root = tk.Tk() root.title("Main Window") root.geometry("300x200") root.iconbitmap('path_to_icon.ico') def open_toplevel(): top = tk.Toplevel(root) top.title("Toplevel Window") top.geometry("300x200") top.iconbitmap('path_to_icon.ico') tk.Button(root, text="Open Toplevel", command=open_toplevel).pack(pady=20) root.mainloop()

When you run this code, you'll have a main window with a button. Clicking the button will open a top-level window. Both windows will have the same icon set in their title bars.

Notes:

  1. Make sure that the icon file (path_to_icon.ico in the example) is in the correct path or provide the full path to the file.
  2. On Linux, if you encounter an issue with .ico files, try using a .png or .gif format icon and see if that resolves the problem.

Examples

  1. Python Tkinter set window icon example:

    • Description: Illustrate how to set the window icon in a Tkinter application.
    • Code Example:
      import tkinter as tk from tkinter import PhotoImage root = tk.Tk() root.title("Tkinter Window Icon Example") # Replace 'path/to/icon.png' with the path to your icon image file icon_path = 'path/to/icon.png' icon_image = PhotoImage(file=icon_path) root.iconphoto(True, icon_image) root.mainloop()

  2. Set icon for Tkinter Toplevel window:

    • Description: Extend the previous example to set the icon for a Toplevel window in Tkinter.
    • Code Example:
      import tkinter as tk from tkinter import PhotoImage def open_toplevel_window(): toplevel = tk.Toplevel(root) toplevel.title("Toplevel Window") # Replace 'path/to/icon.png' with the path to your icon image file icon_path = 'path/to/icon.png' icon_image = PhotoImage(file=icon_path) toplevel.iconphoto(True, icon_image) root = tk.Tk() root.title("Set Icon for Toplevel Window Example") open_button = tk.Button(root, text="Open Toplevel Window", command=open_toplevel_window) open_button.pack(pady=20) # Replace 'path/to/icon.png' with the path to your icon image file icon_path = 'path/to/icon.png' icon_image = PhotoImage(file=icon_path) root.iconphoto(True, icon_image) root.mainloop()

  3. Set favicon for Tkinter window:

    • Description: Demonstrate setting a favicon for a Tkinter window, similar to a web browser.
    • Code Example:
      import tkinter as tk from tkinter import PhotoImage root = tk.Tk() root.title("Set Favicon for Tkinter Window Example") # Replace 'path/to/favicon.ico' with the path to your favicon file favicon_path = 'path/to/favicon.ico' favicon_image = PhotoImage(file=favicon_path) root.tk.call('wm', 'iconphoto', root._w, favicon_image) root.mainloop()

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