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bug#4127: 23.1; mwheel in --daemon mode
From: |
John Prevost |
Subject: |
bug#4127: 23.1; mwheel in --daemon mode |
Date: |
Tue, 11 Aug 2009 13:34:08 -0400 |
User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/23.1 (darwin) |
Please write in English if possible, because the Emacs maintainers
usually do not have translators to read other languages for them.
Your bug report will be posted to the bug-gnu-emacs@gnu.org mailing list,
and to the gnu.emacs.bug news group.
Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:
When emacs is started in --daemon mode, the window-system variable is
initially 'nil'. In mwheel.el, mouse-wheel-down-event and
mouse-wheel-up-event are bound with defcustom declarations like the
following:
(defcustom mouse-wheel-down-event
;; In the latest versions of XEmacs, we could just use mouse-%s as well.
(if (memq window-system '(w32 ns))
'wheel-up
(intern (format (if (featurep 'xemacs) "button%s" "mouse-%s")
mouse-wheel-down-button)))
"Event used for scrolling down."
:group 'mouse
:type 'symbol
:set 'mouse-wheel-change-button)
Since these run before any terminal is created in the --daemon case,
window-system may not be set to anything at all.
It is possible that this is a bug in mwheel, and that mwheel (and other
packages) should take care not to make use of the window-system variable
until startup. (This may be particularly important if it's possible for
a single emacs binary to have support for multiple window systems.)
It is possible that a better solution to the problem that mwheel solves
above would be for either term/x-win.el to define-key mouse-4 and
mouse-5 to wheel-up and wheel-down, or for term/w32-win.el and
term/ns-win.el to define-key wheel-up and wheel-down to mouse-4 and
mouse-5, so that mwheel and other packages can use the same symbol on
all window systems.
Either way, the current state of the world is that --daemon results in a
non-functional mouse wheel on w32 and ns.
If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
`bt full' and `xbacktrace'.
If you would like to further debug the crash, please read the file
/Users/prevost1/Documents/src/emacs-23.1/nextstep/Emacs.app/Contents/Resources/etc/DEBUG
for instructions.
In GNU Emacs 23.1.1 (i386-apple-darwin9.7.0, NS apple-appkit-949.46)
of 2009-08-07 on TELPERION.WV.CC.CMU.EDU
Windowing system distributor `Apple', version 10.3.949
configured using `configure '--prefix=/opt/emacs-23.1' '--with-ns''
Important settings:
value of $LC_ALL: nil
value of $LC_COLLATE: nil
value of $LC_CTYPE: nil
value of $LC_MESSAGES: nil
value of $LC_MONETARY: nil
value of $LC_NUMERIC: nil
value of $LC_TIME: nil
value of $LANG: nil
value of $XMODIFIERS: nil
locale-coding-system: nil
default-enable-multibyte-characters: t
Major mode: Fundamental
Minor modes in effect:
diff-auto-refine-mode: t
tooltip-mode: t
tool-bar-mode: t
mouse-wheel-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
global-font-lock-mode: t
global-auto-composition-mode: t
auto-encryption-mode: t
auto-compression-mode: t
line-number-mode: t
transient-mark-mode: t
Recent input:
<help-echo> s-x r e p o r t M-x r e p o t <backspace>
r t - e m <tab> <return>
Recent messages:
Loading /Users/prevost1/Documents/src/elisp/nxml-mode/rng-auto.el
(source)...done
Loading /Users/prevost1/Documents/src/elisp/mercurial.el (source)...done
For information about GNU Emacs and the GNU system, type C-h C-a.
Terminal setup done
kill-region: The mark is not set now, so there is no region
- bug#4127: 23.1; mwheel in --daemon mode,
John Prevost <=