Oops, i got the wrong person. Thanks Peter. I was able to achieve the blinking functionality.
Thanks, Sathish On Tue, Feb 22, 2011 at 10:44 PM, Peter Otten <__pete...@web.de> wrote: > Terry Reedy wrote: > > > 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. > > The text widget's intended usecase is editing text; therefore it reserves > space for 80 columns and 24 lines by default. Combined with the giant font > size that I specified that means that it takes a all the space it can get. > If you want to (ab)use a text widget to show its content you can specify > the > desired size in units of character cells, e. g. > > text = tk.Text(root, font=("Helvetica", 70), width=16, height=1) > > See also > > http://www.tcl.tk/man/tcl8.5/TkCmd/text.htm#M-height > > Peter > -- > http://mail.python.org/mailman/listinfo/python-list >
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