From: martin rudalics <rudalics@gmx.at>
To: tumashu <tumashu@163.com>, "emacs-devel@gnu.org" <emacs-devel@gnu.org>
Subject: Re: Does child-frame not support alpha frame param?
Date: Mon, 9 Nov 2020 10:10:06 +0100 [thread overview]
Message-ID: <20b01deb-2962-3094-3306-5da622ff746a@gmx.at> (raw)
In-Reply-To: <8096657.5510.175ac2f3083.Coremail.tumashu@163.com>
> the below code seem to not work, is it child-frame's limit?
>
>
> (make-frame
> `((parent-frame . ,(window-frame))
> (fullscreen . nil)
> (alpha . 20)))
It's a limitation of the window manager. For example, it doesn't work
with Debian stable's xfwm4 here and it doesn't work with Windows XP
either. That's the main reason why I don't show eldoc info with child
frames but use classic tooltip frames instead. But ISTR that alpha for
child frames works with Windows 10 and there might also exist
compositing window managers for GNU/Linux that can handle it. So YMMV.
martin
next prev parent reply other threads:[~2020-11-09 9:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-09 8:46 Does child-frame not support alpha frame param? tumashu
2020-11-09 9:10 ` martin rudalics [this message]
2020-11-09 14:52 ` Drew Adams
2020-11-09 15:10 ` Robert Pluim
2020-11-09 15:05 ` Alan Third
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