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Re: mouse cursor and iso-accents-mode

From: Jan D.
Subject: Re: mouse cursor and iso-accents-mode
Date: Sun, 23 Feb 2003 22:50:14 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.3b) Gecko/20030210

Jan D. wrote:
No, running with "-q" and renaming .emacs do not solve it. I also tried cleaning out my X resources with "xrdb </dev/null" and got the same result.

I hope that someone who can observe this problem will decide to
debug it and track down the actual cause.

    Start emacs as an X window and enter iso-accents-mode.  Whenever you
type a composite character, for example `" SPC' for the `"' character,
    the mouse cursor becomes the wristwatch shape and the usual mouse
functions cease to work. Everything reverts to normal at the next RET
    or C-SPC or C-p or certain other actions.  Normal typing of text,
    however, does not cause the mouse to resume functioning.

This happens every time on the RC branch and 21.2, but not at all in CVS
HEAD.  I haven't found yet how to fix this in RC, but I'm looking.

In CVS head there is this:

#if 0

  if (display_hourglass_p)
    start_hourglass ();


i.e. this makes the hourglass never to be shown. In RC, the code is not surrounded by the same #if 0/#endif.

The changes occured here:

2002-03-04  Pavel Janík  <address@hidden>

        * lread.c (read_filtered_event): Do not call start_hourglass
        before returning.

Do you remember the reason for this change? Should we delete the code? What are the risks of putting the same fix in RC?

I see unwanted hourglass in RC in other situations as well, for example opening a file, modify it but don't save, open the file with emacsclient and when Emacs asks, "Revert buffer from file ...", then say yes. After that the hourglass appears, and has to be removed by C-g. I have a fix for that, but I am not sure this is RC material (although at work, we have this program that uses Eamcs and emacsclient so I see this bug *alot* :-), I need some opinion on that. I am checking the fix into the trunk.


        Jan D.

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