*To:* McDonald, Michael-p7438c
*Cc:* xorg@lists.freedesktop.org
*Subject:* Re: Switching between virtual desktops
If you wait to switch monitors until after the virtual desktop has been
switched, the the new virtual desktop will be displayed on the old monitor!
You have to do do something more
Well, Im supposing I'll be able to switch between desktops so fast that
I'll be able to keep up with the refresh rate and with human eye's
perception of image change, so that the screen doesnt go black and the
user doesnt notice his screen is acting like a super fast slideshow
(switching frames
This may not be helpful at the moment, but should you decide that you
need to go down the multiple displays route eventually, there exist screen
cards that do 4 VGA ports on the one card. Unfortunately the only one I know
of requires PCI Express, but I'm fairly sure there are others.
@Andruk:
I'm a complete newbie to X, so take everything I say with a grain of
salt, but I doubt that you'll be able to do this without purchasing some
good (read: expensive) hardware and doing some _heavy_ hacking on X and
some heavy hard hacking. My understanding of video signals tells me
that
Hi Luca,
A: Im no expert either (far from that, actually), but I think the
good/expensive hardware wont be necessary.. I mean, if I choose to have like
10 virtual desktops and hold down Ctrl+Alt+Right Arrow Key, the VD's change
so fast until the last one that I can barely notice anything...
It's not possible without some fancy hardware in the switch box: if
you're going with your six-monitor setup and a simple A-B-C switch,
each monitor needs to be able to handle a refresh rate of at least
360Hz to avoid flicker (I don't know of any CRT that can do more than
160Hz; it's rare
Don't forget also: if you pay for your own electricity, then buying a
cheap LCD is cheaper than using a free CRT for three to six months.
- d.
A: True. Not only the electricity economy, but also because CRT monitors are
really big (students knees would be constantly hitting the bottom of it,
2009/6/2 Luca Bezerra lucabeze...@gmail.com:
Don't forget also: if you pay for your own electricity, then buying a
cheap LCD is cheaper than using a free CRT for three to six months.
A: True. Not only the electricity economy, but also because CRT monitors are
really big (students knees would
Luca,
The project you describe is much harder than is reasonable for a single person
on a tight budget and has some problems you might not recognize. Driving
multiple monitors off of one video in a way that is usable isn't as simple as
rapidly switching the signal lines. I believe it takes
Luca,
X windows systems have a display for each desktop environment (KDE, Gnome).
All X windows applications look for a display server usually specified by the
DISPLAY environment variable then connect to that server via local mechanism
or a network socket. Go to a terminal and type echo
Well, I have no experience on any of the areas of the questions above, so my
answers will be based solely on my guessings and on what I've learned from
researching on the internet.
- You are potentially flooding applications with map/unmap requests
(due to the virtual desktop switching), but
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