From: martin rudalics <rudalics@gmx.at>
To: emacs-devel <emacs-devel@gnu.org>
Subject: run_window_configuration_change_hook
Date: Mon, 18 Apr 2011 15:15:54 +0200 [thread overview]
Message-ID: <4DAC398A.204@gmx.at> (raw)
With current trunk and emacs -Q evaluate the following code:
(let* ((old-window (selected-window))
(new-frame (make-frame))
(new-window (frame-root-window new-frame)))
(set-window-buffer new-window (other-buffer))
(select-window old-window)
(let ((current-buffer (window-buffer new-window)))
(split-window new-window)
(cons current-buffer (current-buffer))))
From the return value I can deduce that `split-window' changes the
current buffer. This would be incorrect. IIUC the behavior is due to
the fact that run_window_configuration_change_hook
if (SELECTED_FRAME () != f)
{
record_unwind_protect (select_frame_norecord, Fselected_frame ());
select_frame_norecord (frame);
}
/* Use the right buffer. Matters when running the local hooks. */
if (current_buffer != XBUFFER (Fwindow_buffer (Qnil)))
{
record_unwind_protect (Fset_buffer, Fcurrent_buffer ());
Fset_buffer (Fwindow_buffer (Qnil));
}
...
unbind_to (count, Qnil);
first restores the current buffer and afterwards the selected frame
which can make another buffer current. Inverting the order of the two
clauses resolves the problem for me.
martin
next reply other threads:[~2011-04-18 13:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-18 13:15 martin rudalics [this message]
2011-04-18 13:21 ` run_window_configuration_change_hook martin rudalics
2011-04-19 12:43 ` run_window_configuration_change_hook martin rudalics
2011-04-19 13:45 ` run_window_configuration_change_hook Stefan Monnier
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