# tk_fit_text_to_canvas.py

# tk_fit_text_to_canvas.py

import math
import tkinter as tk
from tkinter import ttk, font

root = tk.Tk()

font_families = font.families()
for font_family in font_families:
    print(font_family)

width_target = 500

# Define the initial font size
font_size = 9

# Create a canvas to measure the text width
canvas = tk.Canvas(root)

# Function to calculate the text width
def calculate_text_width(text, font):
    bbox = canvas.bbox(canvas.create_text(0, 0, text=text, font=font))
    return bbox[2] - bbox[0]

# Adjust the font size to match the desired width
while True:
    font = ('Verdana', font_size)
    text_width = calculate_text_width("Hello, World!", font)

    if text_width >= width_target:
        break
    else:
        font_size += 1

# Create a label with the final font size
label = ttk.Label(root, text="Hello, World!", font=font)
label.pack()

# Run the Tkinter event loop
root.mainloop()