[mythtv] [PATCH] Fix (now broken) screen settings

[Nigel Pearson]

>>  Fixing this was harder than expected. It involved some
>> structural changes in mythcontext.cpp, which will need some
>> review and more thorough testing.
>
> Could just revert things to the original, working code,
> and instead write an osx-version of the X11 stuff.

	That was my original plan (way back in November),
but I think this way may be worth the pain. The original
code looked up the screen dimensions from about seven
different places, in two different ways, and the X11-
specific way really did the same thing as the Qt way.


	I think the resultant simplification, and clarification
of behaviour (if only through my adding a few comments)
should be worth it.


	Of course, I don't have time to scan the users list,
and still don't know how Xinerama users actually use MythTV,
so reverting would be the _safest_ way.
Particularly if working toward 0.18 is your immediate goal?

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