GNU bug report logs - #14793
23.4; Cannot bind a function to a sequence of two mouse keys

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From: Alex <agrambot <at> gmail.com>
To: eliz <at> gnu.org
Cc: 14793 <at> debbugs.gnu.org, regularclockwork <at> gmail.com, npostavs <at> users.sourceforge.net
Subject: bug#14793: 23.4; Cannot bind a function to a sequence of two mouse keys
Date: Sat, 30 Sep 2017 21:05:05 -0600

Eli, do you know how to solve this?

Try this:

(define-prefix-command 'test)
(global-set-key (kbd "C-t") #'test)
(global-set-key [mouse-3] #'test)
(global-set-key (kbd "C-t <mouse-2>") #'backward-word)
(global-set-key [mouse-3 mouse-2] #'backward-word)

Hitting C-t mouse-2 calls `backward-word' as intended, but hitting
mouse-3 mouse-2 displays an "Empty menu" error as in the original
report.

The error is thrown from Fx_popup_menu and is called from
read_char_x_menu_prompt, which is only called in the mouse case. I'm not
sure how to proceed from here.

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