# import Tkinter module as tk

import tkinter as tk

from tkinter import ttk

from turtle import color, window_height

# create an instance of the tk.Tk class => this creates the application window

root = tk.Tk()

root.config(background="lightblue")

root.title("First tutorial with Tkinter")

# root.geometry("600x400-30+150")

# TO CENTER THE WINDOW ON A SCREEN:

window_width = 700

window_height = 400

# get dimensions of the screen with the winfo_ method:

screen_width = root.winfo_screenwidth()

screen_height = root.winfo_screenheight()

# find the center point:

center_x = int(screen_width/2 - window_width / 2)

center_y = int(screen_height/2 - window_height / 2)

# set position of window to the center of screen with geometry():

root.geometry(f"{window_width}x{window_height}+{center_x}+{center_y}")

root.attributes("-alpha", 0.8)

# add a component = widget

message = tk.Label(root, text = "Hello World!\nThis is just testing out\nA button has been added but needs formatting")

message.pack()

# this works the same as the following:

# tk.Label(root, text = "Hello World!\nThis is just testing out").pack()

info_message = tk.Label(root, text = "This is something I am learning and it's been a while since I have been coding in Python ;-)")

info_message.pack()

from tkinter.messagebox import showerror, showinfo

# root window

root.title('Image Button Demo')

# download button

def download_clicked():

showinfo(

title='Information',

message='Download button clicked!'

),

showerror(

title="Error message",

message="There was an error"

)

download_icon = tk.PhotoImage(file='./download_icon.png')

download_button = ttk.Button(

root,

image=download_icon,

text="Download",

compound=tk.LEFT,

command=download_clicked

)

download_button.pack(

ipadx=5,

ipady=5,

expand=True

)

# call the mainloop() method of the main window object => this keeps the window

# visible on the screen and keeps it running until you close it (use it as last

# statement in the programme)

root.mainloop()