Xpra: Ticket #2370: move clipboard attributes to clipboard class

ie: CLIPBOARD_WANT_TARGETS, CLIPBOARD_GREEDY, and CLIPBOARD_PREFERRED_TARGETS (added for #2312)

Those are tied to the clipboard implementation, not the platform.

(see also ticket:2312#comment:11)



Fri, 26 Jul 2019 08:19:54 GMT - Antoine Martin: status, description changed


Wed, 12 Feb 2020 05:31:52 GMT - Antoine Martin: milestone changed


Sat, 23 Jan 2021 05:49:28 GMT - migration script:

this ticket has been moved to: https://github.com/Xpra-org/xpra/issues/2370