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Inconsistent behaviour of display-buffer, pop-to-buffer
From: |
Otto Maddox |
Subject: |
Inconsistent behaviour of display-buffer, pop-to-buffer |
Date: |
Sat, 01 Mar 2008 04:27:23 +0000 |
When running Emacs on either X or Mac OS X:
;; Similar to display-buffer-other-frame, but without all the
;; raise-frame, make-frame-{in,}visible stuff. The point is to
;; illustrate annoyingly inconsistent behaviour of display-buffer.
(defun my-display-buffer (buf)
(let ((pop-up-frames t)
same-window-buffer-names
same-window-regexps)
(display-buffer buf t)))
Create but don't display a buffer named "foo":
(get-buffer-create "foo")
Pop up a new frame, selected and WITH focus:
(my-display-buffer "foo")
Go back to the original frame with C-x 5 o
Pop up the "foo" frame, selected but WITHOUT focus this time:
(my-display-buffer "foo")
????
Again, go back to the original frame with C-x 5 o and also do
C-x b foo RET to make "foo" the current buffer. Two issues this time.
The other "foo" frame is not raised but a new frame is unnecessarily
created (the doc says that pop-up-frames means that visible and
iconified frames should be searched). Also, the newly created frame
is WITH focus this time:
(my-display-buffer "foo")
The same inconsistent behaviour happens if you substitute
pop-to-buffer for display-buffer in the definition of
my-display-buffer, which seems definitely buggy because the doc for
pop-to-buffer says that it should select the buffer.
In GNU Emacs 22.1.1 (powerpc-apple-darwin8.9.0, Carbon Version 1.6.0)
of 2007-06-08
--
Otto Maddox
ottomaddox@fastmail.fm
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