On 2/22/2011 6:50 AM, Peter Otten wrote:
import Tkinter as tk
from itertools import cycle
root = tk.Tk()
text = tk.Text(root, font=("Helvetica", 70))
text.pack()
text.insert(tk.END, "Hello, geocities")
text.tag_add("initial", "1.0", "1.1")
text.tag_add("initial", "1.7", "1.8")
colors = cycle("red yellow blue".split())
initial_colors = cycle("#8f8 #f08".split())
def switch_color():
# change the complete widget's background color
text["bg"] = next(colors)
# change the background color of tagged portions
# of the widget's conten
text.tag_config("initial", background=next(initial_colors))
# do it again after 300 milliseconds
root.after(300, switch_color)
# call the color-setting function manually the first time
switch_color()
root.mainloop()
This example is helpful to me. I am curious though why the tk window
takes up the full screen instead of being much smaller as usual for
other examples I run. Shortening or shrinking the text has no effect.
--
Terry Jan Reedy
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