Tkinter Text Widget Background Color
Terry Reedy
tjreedy at udel.edu
Tue Feb 22 11:48:39 EST 2011
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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