tkinter example rotating messages (snippet)

Python tkinter (gui) example 'rotating messages'

rotating messages

Python tkinter example: rotating messages

from tkinter import * # Import tkinter

width = 220
height = 100

class MainGUI:
    def __init__(self):
        window = Tk() # Create a window
        window.title("Rotating Message") # Set a title

        self.on = False
        self.canvas = Canvas(window, bg = "white", width = width, height = height)
        self.canvas.pack()
        self.canvas.create_text(width / 2, height / 2, text = "Programming is fun", tags = "text")

        # Bind canvas with mouse events
        self.canvas.bind("<Button-1>", self.rotate)

        window.mainloop() # Create an event loop

    def rotate(self, event):
        self.canvas.delete("text")
        if self.on:
            self.canvas.create_text(width / 2, height / 2, text = "Programming is fun", tags = "text")
        else:
            self.canvas.create_text(width / 2, height / 2, text = "It is fun to program", tags = "text")

        self.on = not self.on

MainGUI()

Useful links

• Learn Tkinter: https://pythonbasics.org/tkinter/
• Wikipedia tkinter: https://en.wikipedia.org/wiki/Tkinter