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bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: al
From: |
Drew Adams |
Subject: |
bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*? |
Date: |
Sun, 27 Mar 2011 15:03:17 -0700 |
`minibuffer-scroll-window' is the window to be scrolled by
`scroll-other-window' from the minibuffer.
The doc suggests that setting `minibuffer-scroll-window' to some window
when the minibuffer is active would make other-window scrolling use that
window. E.g. the doc for `scroll-other-window' includes this:
"If in the minibuffer, `minibuffer-scroll-window' if non-nil specifies
the window to scroll. This takes precedence over
`other-window-scroll-buffer'."
It doesn't say that the *Completions* window is always the other window
scrolled. But `minibuffer-scroll-window' always seems to be reset to
the *Completions* window, AFAICT.
Help me understand how to make some other window than the *Completions*
window the target to be scrolled by `scroll-other-window' from the
minibuffer.
emacs -Q
C-x d RET
C-x 4 b *scratch* RET
(defun foo ()
(setq minibuffer-scroll-window
(get-buffer-window (get-buffer "*scratch*") 0))
(message "fffff, MSW: %S" minibuffer-scroll-window) (sleep-for 2))
(add-hook 'completion-setup-hook 'foo 'append)
(defun bar (arg)
(interactive "P")
(message "BBBBB, MSW: %S" minibuffer-scroll-window) (sleep-for 2)
(scroll-other-window arg))
(define-key minibuffer-local-completion-map "\C-\M-v" 'bar)
Return focus to the Dired window.
M-x for TAB C-M-v
That shows that `minibuffer-scroll-window' is the *Completions* window
when `C-M-v' is pressed, even though `minibuffer-scroll-window' was the
*scratch* window just after *Completions* was shown.
I looked at the code in minibuffer.el and window.c to try to understand
where `minibuffer-scroll-window' is getting reset (to *Completions*),
but I haven't understood, so far.
(`minibuffer-complete' does set `minibuffer-scroll-window' (e.g. to
nil), but debugging that function shows that it doesn't seem to make a
difference here. And my own code, where I also see the problem, doesn't
even call `minibuffer-complete'.)
Help appreciated. Is this a bug? Shouldn't you be able to set the
window to be scrolled (using `scroll-other-window') during minibuffer
input to be some window other than *Completions*? How can I do that?
Just where is `minibuffer-scroll-window' getting set and reset? Thx.
In GNU Emacs 24.0.50.1 (i386-mingw-nt5.1.2600)
of 2011-03-21 on 3249CTO
Windowing system distributor `Microsoft Corp.', version 5.1.2600
configured using `configure --with-gcc (4.5) --no-opt --cflags
-Ic:/imagesupport/include'
- bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*?,
Drew Adams <=
- bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*?, martin rudalics, 2011/03/28
- bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*?, Drew Adams, 2011/03/28
- bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*?, martin rudalics, 2011/03/28
- bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*?, Drew Adams, 2011/03/28
- bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*?, martin rudalics, 2011/03/28
- bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*?, Drew Adams, 2011/03/28
- bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*?, Stefan Monnier, 2011/03/28
- bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*?, Stefan Monnier, 2011/03/28
- bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*?, Drew Adams, 2011/03/29
- bug#8358: 24.0.50; `minibuffer-scroll-window' with active minibuffer: always *Completions*?, martin rudalics, 2011/03/29