ttkbootstrap : A supercharged theme extension for tkinter.

# Install the ttkbootstrap library using pip 
pip install ttkbootstrap

# Import required modules
import ttkbootstrap as ttk
from ttkbootstrap.constants import *

# Create main window
my_w = ttk.Window()
my_w.geometry("400x150") # Set window width and height

# Create success button
b1 = ttk.Button(my_w, text="Button Success", bootstyle=SUCCESS)
b1.grid(row=0, column=0, padx=30, pady=30)

# Create primary button
b1 = ttk.Button(my_w, text="Button Primary", bootstyle=PRIMARY)
b1.grid(row=0, column=1, padx=30, pady=30)

# Run main event loop
my_w.mainloop()

Style & Theme

Styles

import ttkbootstrap as ttk
from ttkbootstrap.constants import *

my_w = ttk.Window()
my_w.geometry("520x200")
c=0
for my_style in my_w.style.colors: # List of styles 
    b = ttk.Button(my_w, text=my_style, bootstyle=my_style)
    b.grid(row=1, column=c, padx=2, pady=20)

    b = ttk.Button(my_w, text=my_style, bootstyle=(my_style, OUTLINE))
    b.grid(row=2, column=c, padx=2, pady=20)
    c = c + 1
my_w.mainloop()

Themes

import ttkbootstrap as ttk
from ttkbootstrap.constants import *

my_w = ttk.Window()
my_w.geometry("800x800")

my_themes=my_w.style.theme_names() # Lit of available themes 
my_w.style.theme_use('darkly') # Use or set this theme 
print(my_w.style.theme_use()) # name of currently used theme

my_w.mainloop()

my_themes = my_w.style.theme_names() # List of available themes
print(my_themes)

['cosmo', 'flatly', 'litera', 'minty', 'lumen', 'sandstone', 
'yeti', 'pulse', 'united', 'morph', 'journal', 'darkly', 'superhero', 
'solar', 'cyborg', 'vapor', 'simplex', 'cerculean', 'my_theme_v1', 'my_theme_v2']

Updating default font

from tkinter.font import nametofont
default_font = nametofont("TkDefaultFont")
default_font.configure(family="Times",size=14,weight='bold')

import ttkbootstrap as ttk
from ttkbootstrap.constants import *

my_w = ttk.Window()
my_w.geometry("950x500")
#
my_themes = my_w.style.theme_names()  # List of available themes
my_str = ttk.StringVar(value=my_w.style.theme_use())  # default selection of theme
r, c = 0, 0  # row=0 and column =0
for values in my_themes:  # List of available themes
    b = ttk.Radiobutton(
        my_w, text=values, variable=my_str, value=values, command=lambda: my_upd()
    )  # Radio buttons with themes as values 
    b.grid(row=r, column=c, padx=5, pady=20)
    c = c + 1  # increase column by 1
    if c > 8:  # One line complete so change the row and column values
        r, c = r + 1, 0
c, r = 0, r + 1
for my_style in my_w.style.colors:  # List of styles
    b = ttk.Button(my_w, text=my_style, bootstyle=my_style)
    b.grid(row=r, column=c, padx=1, pady=20)
    b = ttk.Button(my_w, text=my_style, bootstyle=(my_style, OUTLINE))
    b.grid(row=r + 1, column=c, padx=1, pady=20)
    m1 = ttk.Meter(
        subtextstyle=my_style, metersize=100, amountused=65, bootstyle=my_style
    )
    m1.grid(row=r + 2, column=c)
    fg = ttk.Floodgauge(value=75, bootstyle=my_style)
    fg.grid(row=r + 3, column=c, padx=1, pady=20)
    # de=ttk.DateEntry(bootstyle=color)
    # de.grid(row=r+4,column=c,padx=1,pady=20)
    c = c + 1

def my_upd():
    my_w.style.theme_use(my_str.get())

my_w.mainloop()

Explore the Latest ttkbootstrap Widgets

Here is a list of essential widgets, including new additions like Floodgauge, Meter, and Toast, which bring progress indicators, notifications, and more dynamic UI elements to our applications. Click on the links to explore each widget in detail.

Input & Selection Widgets

• Checkbutton: Versatile toggle buttons that can be styled as switches or checkboxes. Ideal for user preferences, settings menus, and multi-option selections.
• Combobox: Dropdown selection component with color-coded styling, runtime theme switcher, and SQLite/MySQL database integration.
• Radiobutton: Exclusive choice selection component styled as modern toggle buttons or indicators, complete with runtime theme switching support.
• Scale: Theme-aware numerical slider component for range selection, value tracking, dynamic theme switching, and SQLite/MySQL database synchronization.
• DateEntry: Dropdown calendar for easy date selection. Ideal for booking systems, forms, and event schedulers.
• OptionMenu: Dropdown option selection menu featuring theme-aware bootstyle coloring, tracking variables, runtime theme switching, and SQLite/MySQL database synchronization.

Containers & Layouts

• Notebook: Organizes complex user interfaces into multi-tabbed layout containers. Learn how to style tabs, create dynamic tabs programmatically, and implement a live runtime theme switcher with radiobuttons.
• Canvas: Theme-aware vector drawing surface supporting custom shapes, interactive graphics, runtime theme switching, and SQLite/MySQL database synchronization.
• Menubutton: Theme-aware dropdown action button widget supporting command list attachment, tearoff removal, runtime theme switching, and SQLite/MySQL database synchronization.
• Labelframe: Theme-aware container frame supporting labeled title borders, bootstyle coloring, runtime theme switching, and SQLite/MySQL database synchronization.

Data Display & Visualizers

• Tableview: Displays tabular data with sorting and styling options. Great for managing datasets, logs, and spreadsheet-like interfaces.
• Meter: Modern radial progress indicator with customizable styles. Perfect for dashboards, task completion tracking, and fitness apps.
• Floodgauge: A sleek horizontal progress indicator. Useful for showing download progress, form completion status, or time-sensitive tasks.
• Progressbar: Theme-aware horizontal or vertical progress indicator supporting determinate percentage tracking, indeterminate loading animations, runtime theme switching, and database synchronization.
• Label: Theme-aware text display component supporting bootstyle color variations, typography styling, runtime theme switching, and SQLite/MySQL database synchronization.

Dialogs & Notifications

• ColorChooserDialog: Interactive color selection dialog for choosing colors easily. Useful for design applications, theme customization, and graphic tools.
• FontDialog: Select font families, styles, sizes etc. providing flexibility and personalization.
• ToolTip: Displays helpful text in a popup on mouse hover. Useful for explaining form fields, buttons, or complex UI elements.
• Toast: Non-intrusive pop-up message alerts. Ideal for showing notifications, updates, and user feedback.

Advantages of ttkbootstrap Over Traditional Tkinter

ttkbootstrap is an enhanced version of Tkinter that brings a modern and stylish look to GUI applications. It eliminates the need for manual styling and provides Bootstrap-like themes and widgets, making it a preferred choice for developers who want a sleek UI with minimal effort.

🌟 Key Advantages of ttkbootstrap Over Traditional Tkinter

• Predefined Modern Themes 🎨
  • Comes with built-in themes (e.g., dark mode, light mode, and colorful themes).
  • Eliminates the need for manual styling with colors and fonts.
• Better Styling with Bootstrap-like Classes ✨
  • Uses classes like btn-primary, btn-success, btn-danger, etc., similar to Bootstrap.
  • Provides a more consistent and professional look for UI elements.
• Enhanced Widget Appearance 🖥
  • Improves the look of buttons, labels, entry fields, and other widgets.
  • Widgets automatically adapt to the selected theme.
• Easy Theming and Customization 🎭
  • Allows users to switch themes dynamically.
  • Provides more polished UI designs with minimal effort.
• Backwards Compatibility with Tkinter 🔄
  • Works seamlessly with existing Tkinter code.
  • You can gradually enhance a Tkinter app by integrating ttkbootstrap without rewriting everything.

✅ Why Choose ttkbootstrap? 🚀

If you want a modern UI with **minimal coding effort**, ttkbootstrap is the perfect choice. It enhances Tkinter's functionality while maintaining compatibility, making it ideal for both new and existing projects.

Subhendu Mohapatra

Author & Instructor at plus2net

I write and maintain practical tutorials on Python, PHP, SQL, JavaScript, HTML, jQuery, and web development at plus2net. The tutorials focus on clear explanations, working examples, and code that readers can test and adapt while learning.

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