How to Style and Customize the tkinterguizero Menu Bar?

Tkinter and Guizero are popular Python libraries for creating GUIs, and when it comes to enhancing the user experience, customizing the menu bar is a key consideration. In this tutorial, we'll explore techniques for styling and customizing menu bars in both Tkinter and Guizero.

Understanding Tkinter and Guizero

Before diving into customization, let's have a brief overview of Tkinter and Guizero.

• Tkinter Tkinter is the standard GUI toolkit that comes with Python. It provides a set of tools for creating graphical user interfaces and is widely used for developing desktop applications. Tkinter includes various widgets, and the menu bar is a crucial component for organizing and accessing different functionalities.

• Guizero Guizero is a simpler and lightweight GUI library for Python. It is built on top of Tkinter and designed to be beginner-friendly. Guizero provides easy-to-use functions for creating windows, buttons, and menu bars, making it a great choice for small to medium-sized projects.

Creating a Basic Tkinter Menu Bar

Let's start by creating a basic menu bar using Tkinter ?

import tkinter as tk

def dummy_command():
    print("This is a dummy command.")

root = tk.Tk()
root.geometry("720x250")
root.title("Tkinter Menu Bar")

# Creating a menu bar
menu_bar = tk.Menu(root)

# Adding File menu
file_menu = tk.Menu(menu_bar, tearoff=0)
file_menu.add_command(label="Open", command=dummy_command)
file_menu.add_command(label="Save", command=dummy_command)
file_menu.add_separator()
file_menu.add_command(label="Exit", command=root.destroy)
menu_bar.add_cascade(label="File", menu=file_menu)

# Adding Edit menu
edit_menu = tk.Menu(menu_bar, tearoff=0)
edit_menu.add_command(label="Cut", command=dummy_command)
edit_menu.add_command(label="Copy", command=dummy_command)
edit_menu.add_command(label="Paste", command=dummy_command)
menu_bar.add_cascade(label="Edit", menu=edit_menu)

# Displaying the menu bar
root.config(menu=menu_bar)

# Running the GUI
root.mainloop()

Running the above script will create a Tkinter window with a basic menu bar containing File and Edit menus.

Creating a Basic Guizero Menu Bar

Here's how to create a similar menu bar using Guizero ?

from guizero import App, MenuBar

def dummy_command():
    print("This is a dummy command.")

app = App("Guizero Menu Bar")

# Creating a menu bar
menu_bar = MenuBar(
    app, toplevel=["File", "Edit"], 
    options=[
        [["Open", dummy_command], ["Save", dummy_command], ["Exit", app.destroy]],
        [["Cut", dummy_command], ["Copy", dummy_command], ["Paste", dummy_command]]
    ]
)

# Displaying the menu bar
app.display()

This creates a Guizero window with a menu bar containing the same File and Edit menus.

Styling the Tkinter Menu Bar

Tkinter offers extensive customization options for menu bars. Let's explore the main styling techniques.

Changing Colors

You can customize the background and foreground colors of menu bars and menu items ?

import tkinter as tk

def dummy_command():
    print("This is a dummy command.")

root = tk.Tk()
root.geometry("720x250")
root.title("Styled Tkinter Menu Bar")

# Creating a menu bar with custom colors
menu_bar = tk.Menu(root, bg="lightblue", fg="darkblue")

# Adding File menu with custom colors
file_menu = tk.Menu(menu_bar, tearoff=0, bg="lightblue", fg="darkblue")
file_menu.add_command(label="Open", command=dummy_command)
file_menu.add_command(label="Save", command=dummy_command)
file_menu.add_separator()
file_menu.add_command(label="Exit", command=root.destroy)
menu_bar.add_cascade(label="File", menu=file_menu)

# Adding Edit menu with custom colors
edit_menu = tk.Menu(menu_bar, tearoff=0, bg="lightblue", fg="darkblue")
edit_menu.add_command(label="Cut", command=dummy_command)
edit_menu.add_command(label="Copy", command=dummy_command)
edit_menu.add_command(label="Paste", command=dummy_command)
menu_bar.add_cascade(label="Edit", menu=edit_menu)

root.config(menu=menu_bar)
root.mainloop()

Customizing Fonts

You can also modify the font style and size of menu items ?

import tkinter as tk

def dummy_command():
    print("This is a dummy command.")

root = tk.Tk()
root.geometry("720x250")
root.title("Font-Styled Menu Bar")

# Creating a menu bar with custom font
menu_bar = tk.Menu(root, font=("Arial", 12, "bold"))

# Adding File menu
file_menu = tk.Menu(menu_bar, tearoff=0, font=("Arial", 10))
file_menu.add_command(label="Open", command=dummy_command)
file_menu.add_command(label="Save", command=dummy_command)
menu_bar.add_cascade(label="File", menu=file_menu)

root.config(menu=menu_bar)
root.mainloop()

Customizing the Guizero Menu Bar

Guizero offers simpler but more limited customization options.

Changing Background Color

You can set the background color of the Guizero menu bar ?

from guizero import App, MenuBar

def dummy_command():
    print("This is a dummy command.")

app = App("Styled Guizero Menu Bar")

# Creating a menu bar with custom background
menu_bar = MenuBar(
    app, toplevel=["File", "Edit"], 
    options=[
        [["Open", dummy_command], ["Save", dummy_command]],
        [["Cut", dummy_command], ["Copy", dummy_command]]
    ]
)

# Changing menu bar color
menu_bar.bg = "lightgreen"

app.display()

Comparison of Customization Options

Conclusion

Tkinter offers extensive menu bar customization options including colors, fonts, and icons, while Guizero provides simpler but limited styling capabilities. Choose Tkinter for complex applications requiring detailed customization, or Guizero for quick prototypes with basic styling needs.