[Tvtime-devel] [ tvtime-Bugs-728259 ] tvtime needs a multiscreen mode

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Bugs item #728259, was opened at 2003-04-26 21:33
Message generated for change (Comment added) made by vektor
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Category: OSD/Interface
Group: Open bugs in CVS tvtime
Status: Open
Resolution: None
Priority: 5
Submitted By: Simon Law (sfllaw)
Assigned to: Doug Bell (drbell)
Summary: tvtime needs a multiscreen mode

Initial Comment:
tvtime needs to be able to play on huge 3x3 television
arrays.  That would be sweet.

See Bug 727949

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>Comment By: Billy Biggs (vektor)
Date: 2003-05-13 19:50

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In CVS tvtime, if we detect Xinerama, when fullscreened we
use the head that tvtime is currently running on.  This
feature is asking to disable that, and have a mode where we
allow tvtime to go fullscreen across multiple heads.  I'm
worried about how to manage this in my config file: for
multiscreen, do we specify x,y positions and w,h to create
the window at?

Some of this UI stuff should actually be handled by the
window manager, at least, that's what freedesktop.org's
_NET_WM_STATE_FULLSCREEN feature is all about.

XFree86 should be smart enough that if multiple heads
support XVideo, we can create an XVideo window that spans
them, although I'm pretty sure there are bugs here.  It
definitely works though if you have a dual-head NVIDIA card
that supports overlays on both heads.  So, I don't think we
actually need to do any break ups to multiple overlay windows.

In conclusion, this feature means:
1. research the status of _NET_WM_STATE_FULLSCREEN and
Xinerama support in supporting window managers, ask them how
they want to handle applications that wish multiple
fullscreen states (single-head, multi-head, etc).
2. Determine which Xinerama configurations actually allow
overlay surfaces that span multiple displays.
3. Determine what UI changes need to be made to the tvtime
config file to support this.

In all of these, I think the changes to tvtime's code will
be minimal, this feature is just waiting for someone who
wants to put in the research about how we go about doing it.

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Comment By: Ryan Voots (simcop2387)
Date: 2003-05-13 19:36

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this would be easier done using a feature of Xfree and using
Xinerama extension, but i think you might still have to
break up the screen for overlay support.

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