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bug#28955: 27.0.50; mouse event translation loses parameters
From: |
Sam Steingold |
Subject: |
bug#28955: 27.0.50; mouse event translation loses parameters |
Date: |
Mon, 23 Oct 2017 10:44:30 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (darwin) |
In GNU Emacs 27.0.50 (build 3, x86_64-apple-darwin16.7.0, NS appkit-1504.83
Version 10.12.6 (Build 16G29))
of 2017-10-16 built on Clr-Sam.local
Repository revision: eed3a3d9e95d2c5346a23c9d92ca4e5848330183
Windowing system distributor 'Apple', version 10.3.1504
Configured using:
'configure --with-mailutils --with-ns
PKG_CONFIG_PATH=/usr/local/opt/libxml2/lib/pkgconfig:/usr/local/opt/imagemagick/lib/pkgconfig/
--without-makeinfo'
Configured features:
JPEG NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS
Important settings:
value of $LC_ALL: en_US.UTF-8
value of $LANG: C
locale-coding-system: utf-8-unix
Some platforms lack second mouse button (most laptops), and some lack
both 2nd and 3rd (mac).
The almighty internet (https://emacs.stackexchange.com/q/20946/795 &
https://superuser.com/q/364575/98857) suggests
(define-key key-translation-map (kbd "<s-mouse-1>") (kbd "<mouse-2>"))
Alas, when I actually do command-mouse-1, I get an error:
--8<---------------cut here---------------start------------->8---
Debugger entered--Lisp error: (error "mouse-yank-primary must be bound to an
event with parameters")
call-interactively(mouse-yank-primary nil nil)
command-execute(mouse-yank-primary)
--8<---------------cut here---------------end--------------->8---
Charles writes:
When you add the key translation and type s-mouse-1, the mouse click
event ends up losing its location information.
For example, the following:
(s-mouse-1 (#<window 3 on *scratch*> 227 (116 . 92) 143676325 nil 227 (16 . 5)
nil (116 . 12) (7 . 16)))
gets turned into just:
mouse-2
which leads to the error about the missing parameters.
It happens in this part of keyboard.c:
--8<---------------cut here---------------start------------->8---
/* Does mock_input indicate that we are re-reading a key sequence? */
if (t < mock_input)
{
key = keybuf[t];
add_command_key (key);
if (current_kboard->immediate_echo)
{
/* Set immediate_echo to false so as to force echo_now to
redisplay (it will set immediate_echo right back to true). */
current_kboard->immediate_echo = false;
echo_now ();
}
}
--8<---------------cut here---------------end--------------->8---
For further details please see
https://lists.gnu.org/archive/html/emacs-devel/2017-10/msg00667.html
https://lists.gnu.org/archive/html/emacs-devel/2017-10/msg00678.html
--
Sam Steingold (http://sds.podval.org/) on darwin Ns 10.3.1504
http://steingoldpsychology.com http://www.childpsy.net http://camera.org
http://jij.org http://thereligionofpeace.com http://www.memritv.org
Daddy, why doesn't this magnet pick up this floppy disk?
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