Re: [ARMini-support] UniControl: UniClip question
- From: Alan Wrigley <alan@xxxxxxxxxxxxxxx>
- To: armini-support@xxxxxxxxxxxxx
- Date: Tue, 18 Jul 2017 15:23:57 +0100
Fred Graute <fjgraute@xxxxxxxxx> wrote:
It seems that this due to applications (in my case StrongED and Edit)
that hold the global clipboard only keeping a single state for requests
for the global clipboard contents (I know it's true in StrongED's case).
It's been a while since I wrote UniClip, but from memory the problem is
entirely due to apps or utilities that provide a substitute global clipboard
facility, such as Clipboard Holder and apparently also Clipboard. The RISC
OS clipboard is designed so that any app can take ownership of it whenever
the user makes a selection within that app. So ownership of the clipboard is
passed around from app to app.
Clipboard Holder and presumably also Clipboard work by grabbing back
ownership as soon as another app takes it, so they effectively remain the
sole owner at all times. This prevents UniClip from working properly. I was
aware of Clipboard Holder when I wrote it, so UniClip detects its presence
and works around it. I wasn't aware of Clipboard but presumably UniClip
could detect that also. I'll leave it up to R-Comp as to whether they want
that to be added... until the next time someone writes another clipboard
app.
Alan
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