On Wed, Oct 28, 2009 at 10:28:46AM +0100, Pavel Sanda wrote: > Edwin Leuven wrote: > > Jean-Marc wrote: > > > But simultaneous editing by several users is an old dream of ours :) > > > > others are living our dreams: > > > > http://www.abisource.com/release-notes/2.8.0.phtml > > and as from last discussion ensued it will remain our dream, unless qt > support possibility to have one application with more X displays. > from what i rememeber from Andre mails this is not going to happen. > > but maybe we can file enhacenment anyway, though i'm doubtful such > overhaul will be driven by one enh request. Missing multiple X displays is not the problem as having them would not lead to a cross-platform solution including native Windows (i.e. without X server) and Mac.
I can imagine a possible solution along the lines of separate processes communicating over the network using something like the lyxserver protocol. An ad-hoc outline of the communication: When someone hits a key or does a mouse move that would change the contents of the document, the local program would broadcast its intention to change something. The others would confirm that they pass control and prevent local changes. If all confirmations arrived, the actual change can happen, and be broadcast to all listeners. That would be two full roundtrips per keystroke, which is not nice but should work. If that is set up one might go down and optimize stuff a bit... I don't think it is very complicated if one is allowed to use suitable tools. Andre'
