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Re: master 4f56ca6376: Add new user option `mouse-drag-mode-line-buffer'


From: Po Lu
Subject: Re: master 4f56ca6376: Add new user option `mouse-drag-mode-line-buffer'
Date: Fri, 03 Jun 2022 20:20:20 +0800
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux)

Eli Zaretskii <eliz@gnu.org> writes:

> Is this supposed to work on MS-Windows?  We do support there dragging
> file names and dropping them onto an Emacs frame.  However, I couldn't
> make this work, even when dragging from one Emacs session to another.
> I now see that we display a message saying dragging files is not
> supported, but why is that?

Unfortunately, it doesn't work on platforms where the necessary
drag-and-drop APIs aren't available.  Right now, they are only available
on X, Haiku and Nextstep.

Not mentioning that in the doc string was an oversight, but when I
looked into implementing them on MS Windows, I found that apparently the
necessary "IDropSource" API cannot be used from C.


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