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bug#70086: Mouse clicks in tab-bar don't call commands bound in keymap p
From: |
Adam Porter |
Subject: |
bug#70086: Mouse clicks in tab-bar don't call commands bound in keymap properties |
Date: |
Sun, 31 Mar 2024 11:15:06 -0500 |
User-agent: |
Mozilla Thunderbird |
Hi Juri,
On 3/30/24 13:16, Juri Linkov wrote:
In my listen.el package on GNU ELPA, I'm trying to make mouse clicks in the
`global-mode-string' construct work when `mode-line-misc-info' is shown in
the tab-bar by including `tab-bar-format-global' in `tab-bar-format'. I'm
including this construct in the `global-mode-string':
`(listen-mode (:propertize listen-mode-lighter
keymap ,listen-mode-lighter-map))
Thanks for the request. If possible could you send a minimal test case
to see what exactly do you need.
Sure, the following code in a clean Emacs config seems to demonstrate
the problem:
(require 'cl-lib)
(defvar tab-bar-ecm-keymap
(let ((map (make-sparse-keymap)))
(define-key map [tab-bar mouse-1] (lambda (&rest _)
(interactive)
(message "tab-bar-ecm-lighter
clicked with mouse-1")))
map))
(defvar tab-bar-ecm-lighter "TAB-BAR-ECM-LIGHTER")
(define-minor-mode tab-bar-ecm-mode "DOCSTRING"
:global t
(let ((lighter `(tab-bar-ecm-mode
(:propertize tab-bar-ecm-lighter keymap
,tab-bar-ecm-keymap))))
(if tab-bar-ecm-mode
(progn
(cl-pushnew lighter global-mode-string :test #'equal)
(unless (memq 'tab-bar-format-global tab-bar-format)
(cl-callf append tab-bar-format '(tab-bar-format-global))))
(cl-callf2 remove lighter global-mode-string))))
Evaluate that code and then enable `tab-bar-mode' and
`tab-bar-ecm-mode'. Then you can see that "C-h k" followed by a click
on the "TAB-BAR-ECM-LIGHTER" text in the tab-bar shows that the
anonymous command is bound to that sequence, yet clicking the text
doesn't call it.
And the same should work on `tab-line-format' as well.
I haven't tried that, but sure, sounds good to me. :)
Indeed, events on the tab-bar have a different design where
`tab-bar--event-to-item' should be used to get a bound command.
You can see an example in `tab-bar-mouse-down-1' that uses
(if (functionp (nth 1 item)) (call-interactively (nth 1 item))
to call an arbitrary command.
I see, thanks.
--Adam