From: Narendra Joshi <narendraj9@gmail.com>
To: Emacs Devel <emacs-devel@gnu.org>
Subject: Face text property for `minor-mode-alist` item.
Date: Sun, 27 Dec 2020 16:13:02 +0100 [thread overview]
Message-ID: <87im8nz3i9.fsf@gmail.com> (raw)
Hi everyone,
I am trying to understand the following behaviour regarding
`mode-line-format' rendering the `:lighter` for `flycheck-mode'. I
wanted to have the flycheck lighter display different colors for the
error count and the warning count as `flymake` does.
The following doesn't work. The face property of the first character of
the string returned by `flycheck-mode-line-status-text' is used for the
whole string in this case.
--8<---------------cut here---------------start------------->8---
(setq flycheck-mode-line '(:eval (flycheck-mode-line-status-text))
(defun flycheck-mode-line-status-text ()
... returns a single string with substrings propertized,
e.g. #("some string" 1 2 ('face 'error) 2 3 ('face 'warning)))
--8<---------------cut here---------------end--------------->8---
If I change it to something like this:
--8<---------------cut here---------------start------------->8---
(setq flycheck-mode-line '(:eval (flycheck-mode-line-status-text))
(defun flycheck-mode-line-status-text ()
... returns a (list ... part_1_with_face_1 part_2_with_face_2 ...))
--8<---------------cut here---------------end--------------->8---
This seems to work as expected and the parts have their respective faces
applied to them in the mode-line.
Is this a bug in Emacs or is this expected behaviour?
Best regards,
--
Narendra Joshi
next reply other threads:[~2020-12-27 15:13 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-27 15:13 Narendra Joshi [this message]
2020-12-27 22:09 ` Face text property for `minor-mode-alist` item Lars Ingebrigtsen
2020-12-27 23:46 ` Narendra Joshi
2020-12-28 1:19 ` Lars Ingebrigtsen
2020-12-28 1:46 ` Narendra Joshi
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