From: Jon Turney <jon.turney@dronecode.org.uk>
To: cygwin@cygwin.com
Cc: Kevin Connor Arpe <kevinarpe@gmail.com>
Subject: Re: Fwd: Limited clipboard buffer between X11 apps and Microsoft Windows
Date: Thu, 19 Nov 2015 12:30:00 -0000 [thread overview]
Message-ID: <564DC0E1.6080004@dronecode.org.uk> (raw)
In-Reply-To: <CAFMYRRPPTKzy31yYybEf2b7fMB1EGkogVmrHuGA6okB8iW2J4w@mail.gmail.com>
On 17/11/2015 18:57, Kevin Connor Arpe wrote:
> My issue: Copying text between X11 apps and Microsoft Windows has
> limited clipboard buffer. My office co-worker and I were able to
> replicate the same issue on our machines.
>
> To replicate:
> 1) Run Cygwin X Server locally.
> 2) Run gedit remotely (using company Linux hosts) and redirect display
> to our local Cygwin X Server.
> 3) Copy some text in gedit, paste in Windows app, e.g. Notepad.
>
> We are able to find a limit (approximately 1000+ lines of text). To
> be very clear: We can copy small amounts to text, but not large
> amounts of text.
>
> My co-worker found this historical Cygwin mailing list item. It looks
> very similar:
> http://cygwin.1069669.n5.nabble.com/emacs-x11-new-clipboard-size-limitation-td104696.html
>
> When the copy/paste fails, I see the following in /var/log/xwin/XWin.0.log:
> [298268.591] winClipboardFlushXEvents - SelectionNotify -
> X*TextPropertyToTextList returned: XConverterNotFound
Thanks for reporting this issue.
Unfortunately, I don't think this is a recurrence of the regression in
that old report.
Briefly, there is a different protocol [1] for transferring clipboard
contents too large to fit in a single X protocol message (approximately
262144 bytes), which is not currently implemented by the X11/Windows
clipboard synchronization code.
Your estimate of 1000 lines seems a little low, but in my testing this
is the limit I hit.
[1]
http://www.x.org/releases/X11R7.7/doc/xorg-docs/icccm/icccm.html#INCR_Properties
--
Jon TURNEY
Volunteer Cygwin/X X Server maintainer
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next prev parent reply other threads:[~2015-11-19 12:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAFMYRRNBpxYc42r9eSxYOC0v43jMGMySXeh3G-ARc1YT+k1LdA@mail.gmail.com>
2015-11-17 18:57 ` Kevin Connor Arpe
2015-11-19 12:30 ` Jon Turney [this message]
2016-02-19 16:25 ` Jon Turney
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