Hi Raphaël,
I cannot reproduce this behavior here (debian wheezy, Tk-8.5.11), however
I could only test it with a german keyboard layout with X-Composite key or
with dead keys temporarily enabled in xfce. I don't think that should
matter, though, here everything seems to work fine.
I can only guess, but it sounds to me like a platform- and/or Tk-version
specific issue. If you are running OS X and a recent version of Tk it
might or might not have something to do with the bug described here:
http://sourceforge.net/p/tktoolkit/bugs/2722/
resp. with the fix that was supplied for that bug. That is is just a shot
in the dark of course.
Regards
Michael
On Sat, 31 Jan 2015 09:20:06 +0100
Raphaël SEBAN <mo...@laposte.net> wrote:
> Hi all,
>
> While working on my latest software (tkScenarist on GitHub), I
> encountered a really weird issue: once cleared, input widgets such as
> Text, Entry, ttk.Entry do *NOT* accept composite-accented letters
> (french ê, ë, etc) any more.
>
> So, to get sure, I made the following test code:
>
> [CODE]
> #!/usr/bin/env python3
> # -*- coding: utf-8 -*-
>
> from tkinter import *
>
> def clear_all (event=None):
> # clear stringvars
> for svar in cvars:
> svar.set("")
> # end for
> # clear text widgets
> for wtext in texts:
> wtext.delete("1.0", END)
> # end for
> # end def
>
> def test (nb_of_widgets):
> global root, cvars, texts
> root = Tk()
> root.title("test #{}".format(nb_of_widgets))
> cvars = list()
> for n in range(nb_of_widgets):
> svar = StringVar()
> cvars.append(svar)
> Entry(root, textvariable=svar).pack()
> # end for
> texts = list()
> for n in range(nb_of_widgets):
> wtext = Text(root, height=2, width=20)
> wtext.pack()
> texts.append(wtext)
> # end for
> Button(root, text="Clear all", command=clear_all).pack(side=LEFT)
> Button(root, text="Quit", command=root.destroy).pack(side=RIGHT)
> # events main loop
> root.mainloop()
> # end def
>
> if __name__ == "__main__":
> # launch test series
> for n in range(1, 4):
> test(n)
> # end for
> # end if
> [/CODE]
>
> Detailed description of the issue:
>
> * French keyboards are arranged in such a way that you must compose
> accented letters as ê (e circumflex) or ë (e diaeresis) by pressing
> first the '^' key and then the letter to compose with (e.g. a, e, i, o,
> u, y) in order to get the final composite-accented letter (â, ä, ê, ë,
> and so on);
>
> * when you launch the test script (cited above) and then type, let's
> say, the e circumflex letter (ê) into the Entry widget and into the
> Text widget, respectively:
>
> * the first time, you'll get the right letters inserted into
> the input widgets;
> * then click on 'Clear all' button and enter once again the
> same composite-accented letter into *ALL* the input widgets;
> * secund time, only the last pack()-ed input widget will get
> the right input, all other widgets will show unaccented letters;
>
> * the test script tries with 1 Entry and 1 Text input widgets, then
> with 2 input widgets and finally with 3 input widgets;
>
> * each time you get the same issue: only the last pack()-ed input
> widget shows the right input letter, all the rest showing unaccented
> letters.
>
> This issue is quite embarrassing for me as my latest software manages
> with movie scenario scriptwriting, which *MUST* be written with correct
> accents in French, otherwise all the purpose of the software would
> collapse.
>
> Is this a known issue?
>
> Thank you for your expert advice.
>
> Regards.
>
> Raphaël SEBAN alias tarball69.
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