GNU bug report logs - #17675
24.4.50; *gud* buffer keeps on getting buried

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Message #8 received at 17675 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Michael Welsh Duggan <mwd <at> md5i.com>, 17675 <at> debbugs.gnu.org
Subject: Re: bug#17675: 24.4.50; *gud* buffer keeps on getting buried
Date: Tue, 03 Jun 2014 18:08:28 +0200

> At this point, notice that *gud-foo* buffer is gone, as foo.c has
> replaced it.  At some point in time in the past, foo.c would end up
> replacing the other window (the *scratch* buffer).  That would be the
> desired behavior, as I would be able to continue using the *gud* buffer.
>
>      C-x 4 b RET   (accepting default "*gud-foo*")
>      n RET RET
>
> Now *input/output of foo* replaced the *gud-foo* buffer.  I can't say
> much about this, as I normally use gdb a different way.  But it seems
> sub-optimal.  For my usual debugging habits, see Sequence 2.

Here ...

> Same set-up as for sequence 1, then as follows:
>
>      M-x gud-gdb RET
>      RET               (accepting default "gdb --fullname foo")
>      start RET
>
> At this point, notice that *gud-foo* buffer is gone, as foo.c has
> replaced it.  At some point in time in the past, foo.c would end up
> replacing the other window (the *scratch* buffer).  That would be the
> desired behavior, as I would be able to continue using the *gud* buffer.

... and here it would be helpful to check whether `display-buffer' runs
`display-buffer-use-some-window' and why it uses that window.  I usually
edebug this from a second frame.

> If need be, I can create a slightly more elaborate example containing
> more than one C file, and we can see *gud-foo* getting buried again as
> other C files pop up.

In my experience the least recently used window should be used.  Since
you apparently did not touch the *scratch* window for some time we'd
have to find out why it doesn't do that in your case.

martin

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