Gavin Wiggins

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Theme customtkinter

Written on February 4, 2023

Example of a Tkinter app using the customtkinter theme. This theme will automatically change to light or dark mode when the macOS appearance changes. More information about the theme is available on GitHub at TomSchimansky/CustomTkinter.

import customtkinter as ctk
import matplotlib.pyplot as plt


class MyApp:

    def __init__(self, root):
        self.root = root
        self.configure_window()
        self.create_widgets()

    def configure_window(self):
        self.root.title('Example App')
        self.root.geometry('400x300')
        self.root.resizable(False, False)

    def create_widgets(self):
        ctk.CTkLabel(master=self.root, text='Below is Entry widget').pack(pady=10)
        ctk.CTkEntry(master=self.root).pack()
        ctk.CTkButton(master=self.root, text='Hello there', text_color='white').pack(pady=10)
        ctk.CTkButton(master=self.root, text='Plot data', command=self.create_plot).pack(pady=20)

    def create_plot(self):
        # Numbers to plot
        numbers = [1, 2, 5, 4, 8, 10, 7]

        # Create plot
        fig, ax = plt.subplots(tight_layout=True)
        ax.plot(numbers)
        ax.set_xlabel('X axis')
        ax.set_ylabel('Y axis')
        ax.grid(color='0.8')
        ax.set_frame_on(False)
        ax.tick_params(color='0.8')

        # Show window containing the plot figure
        plt.show()


if __name__ == '__main__':
    root = ctk.CTk()
    MyApp(root)
    root.mainloop()