From: Boris Buliga <boris@d12frosted.io>
To: Eli Zaretskii <eliz@gnu.org>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Overriding inherited face attributes
Date: Wed, 28 Nov 2018 23:44:47 +0200 [thread overview]
Message-ID: <CAD5F_-DDur7xO66+HG8tR-zmiXkEy8hTswhwRnXHEBkmTJJSZg@mail.gmail.com> (raw)
In-Reply-To: <83in0hdjo4.fsf@gnu.org>
Hi,
I don't see how it's specific to propetize. I can attach face differently,
for
example, by using add-text-properties or add-face-text-property:
> (setq my-test-string "hello")
"hello"
> (add-text-properties 0 5 '(face (:inherit (:foreground "orange")))
my-test-string)
nil
> my-test-string
#("hello" 0 5 (face (:inherit (:foreground "orange"))))
;; insert it and you'll get orange text
> (setq my-test-string "hello")
"hello"
> (add-text-properties 0 5 '(face (:foreground "red" :inherit
(:foreground "orange"))) my-test-string)
nil
> my-test-string
#("hello" 0 5 (face (:foreground "red" :inherit (:foreground "orange"))))
;; insert it and you'll get orange text
> (setq my-test-string "hello")
"hello"
> (add-text-properties 0 5 '(face (:inherit (:foreground "orange")
:foreground "red" )) my-test-string)
nil
> my-test-string
#("hello" 0 5 (face (:inherit (:foreground "orange") :foreground "red")))
;; insert it and you'll get red text
> (setq my-test-string "hello")
"hello"
> (add-text-properties 0 5 '(face ((:foreground "red") (:inherit
(:foreground "orange")))) my-test-string)
nil
> my-test-string
#("hello" 0 5 (face ((:foreground "red") (:inherit ...))))
;; insert it and you'll get red text
> (setq my-test-string "hello")
"hello"
> (add-text-properties 0 5 '(face ((:inherit (:foreground "orange"))
(:foreground "red"))) my-test-string)
nil
> my-test-string
#("hello" 0 5 (face ((:inherit ...) (:foreground "red"))))
;; insert it and you'll get orange text
> (setq my-test-string "hello")
"hello"
> (add-face-text-property 0 5 '( :foreground "red" :inherit (:foreground
"orange")) nil my-test-string)
nil
> my-test-string
#("hello" 0 5 (face (:foreground "red" :inherit (:foreground "orange"))))
;; insert it and you'll get orange text
> (setq my-test-string "hello")
"hello"
> (add-face-text-property 0 5 '(:inherit (:foreground "orange")
:foreground "red") nil my-test-string)
nil
> my-test-string
#("hello" 0 5 (face (:inherit (:foreground "orange") :foreground "red")))
;; insert it and you'll get red text
As you can see, it's a matter of properties. No matter how you add them,
using
propertize, add-text-properties or add-face-text-property.
On Wed, 28 Nov 2018 at 22:37, Eli Zaretskii <eliz@gnu.org> wrote:
> > From: Stephen Berman <stephen.berman@gmx.net>
> > Cc: help-gnu-emacs@gnu.org
> > Date: Wed, 28 Nov 2018 21:01:36 +0100
> >
> > It would be helpful to know from precisely which part of the
> > documentation it follows that evaluating this:
> >
> > (insert (propertize "hello" 'face '(:foreground "red" :inherit
> > (:foreground "orange"))))
> >
> > displays "hello" in orange while evaluating this:
> >
> > (insert (propertize "hello" 'face '(:inherit (:foreground "orange")
> > :foreground "red")))
> >
> > displays "hello" in red.
>
> So this is only about what propertize does? And only when some of the
> later properties override earlier ones?
>
> > I don't see how it follows from the passage in the Lisp manual I
> > cited ("Faces occurring earlier in the list have higher priority")
>
> It doesn't, because what you cited is not related to propertize, it's
> related to how we process faces that come from several different
> sources that affect the same piece of text.
>
>
--
Cheers,
Boris
next prev parent reply other threads:[~2018-11-28 21:44 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-27 20:18 Overriding inherited face attributes Boris Buliga
2018-11-27 21:33 ` Stephen Berman
2018-11-28 6:19 ` Eli Zaretskii
2018-11-28 12:24 ` Stephen Berman
2018-11-28 13:06 ` Eli Zaretskii
2018-11-28 13:13 ` Stephen Berman
2018-11-28 16:18 ` Eli Zaretskii
2018-11-28 20:01 ` Stephen Berman
2018-11-28 20:35 ` Eli Zaretskii
2018-11-28 21:34 ` Stephen Berman
2018-11-29 7:14 ` Eli Zaretskii
2018-11-29 17:30 ` Stephen Berman
2018-11-28 21:44 ` Boris Buliga [this message]
2018-11-29 7:08 ` Eli Zaretskii
2018-11-28 7:39 ` Boris Buliga
2018-11-28 7:51 ` Eli Zaretskii
2018-11-28 8:42 ` Boris Buliga
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