From: Juri Linkov <juri@linkov.net>
To: Eli Zaretskii <eliz@gnu.org>
Cc: Bob Floyd <bobfloyd@comcast.net>, 47755@debbugs.gnu.org
Subject: bug#47755: 27.1; mouse-yank-at-click fails
Date: Tue, 13 Apr 2021 23:27:45 +0300 [thread overview]
Message-ID: <874kg9oqbt.fsf@mail.linkov.net> (raw)
In-Reply-To: <87o8einfci.fsf@mail.linkov.net> (Juri Linkov's message of "Tue, 13 Apr 2021 22:44:57 +0300")
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>>> int main()
>>> {
>>> xyzz = abcc;
>>> }
>>>
>>> 1. Place mouse over `main` and left double click - `main` is selected
>>> 2. isearch-forward (C-s) `xyzz` - `xyzz` is selected
>>> 3. place cursor over `x` of `xyzz` and mouse-yank-at-click (middle mouse
>>> down)
>>>
>>> You should see error "Lisp nesting exceeds `max-lisp-eval-depth`"
>>
>> It's an infinite recursion inside isearch-mouse-2.
>
> This is because let-binding overriding-terminal-local-map to nil
>
> (let ((overriding-terminal-local-map nil))
> (key-binding (this-command-keys-vector) t))
>
> doesn't disable its current value anymore. It used to work when bug#23007
> was fixed in 2017. So in Emacs 26.3 it correctly returned 'mouse-yank-primary',
> but in Emacs 27 it's broken and returns 'isearch-mouse-2' without ignoring
> the current value of overriding-terminal-local-map, i.e. currently let-binding
> 'overriding-terminal-local-map nil' has no effect for 'key-binding'.
In 2018 the logic of searching a key binding was changed.
Now it magically depends of the current mode instead of
more explicit keymaps as before:
Before 2018:
(let ((isearch-mode t))
(key-binding [mouse-2] t))
=> mouse-yank-primary
After 2018:
(let ((isearch-mode t))
(key-binding [mouse-2] t))
=> isearch-mouse-2
Anyway here is the fix:
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[-- Attachment #2: isearch-mouse-2.patch --]
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diff --git a/lisp/isearch.el b/lisp/isearch.el
index 5efac4c78f..d3c0f261ba 100644
--- a/lisp/isearch.el
+++ b/lisp/isearch.el
@@ -2561,7 +2561,9 @@ isearch-mouse-2
is bound to outside of Isearch."
(interactive "e")
(let ((w (posn-window (event-start click)))
- (binding (let ((overriding-terminal-local-map nil))
+ (binding (let ((overriding-terminal-local-map nil)
+ ;; Key search now depends on mode (bug#47755).
+ (isearch-mode nil))
(key-binding (this-command-keys-vector) t))))
(if (and (window-minibuffer-p w)
(not (minibuffer-window-active-p w))) ; in echo area
next prev parent reply other threads:[~2021-04-13 20:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-13 17:57 bug#47755: 27.1; mouse-yank-at-click fails Bob Floyd
2021-04-13 18:11 ` Eli Zaretskii
2021-04-13 18:31 ` Bob Floyd
2021-04-13 19:44 ` Juri Linkov
2021-04-13 20:27 ` Juri Linkov [this message]
2021-04-13 20:55 ` Gregory Heytings
2021-04-13 20:57 ` Gregory Heytings
2021-04-14 16:24 ` Bob Floyd
2021-04-14 18:36 ` Juri Linkov
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