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Re: [orca-list] Turning off screens with Orca

Hi.
You mentioned hating that Linux doesn't let you do what you want. Then you
mentioned not being able to login as root into the GNOME desktop. I don't
see why that would be necessary. You certainly don't need to do that in
order to run administrative applications. Plus, why do you need a GUI for
administration purposes anyways? You have the terminal or Xterm if you
want to call it. Everything you might need to administer is accessible via
the command line.

--Erik

On Tue, 10 Mar 2009, James & Nash wrote:


Date: Tue, 10 Mar 2009 21:42:15 -0000
From: James & Nash <james austin1984 googlemail com>
To: orca-list gnome org
Subject: Re: [orca-list] Turning off screens with Orca

Thanks to all who have contributed to this question.

i assume that substituting on for off would turn the screen back on if needed?

Also Michael, if I find a way of turning off just the back light I'll repost
here

Take care

James
----- Original Message ----- From: "Krishnakant" <hackingkk gmail com>
To: "Michael Whapples" <mwhapples aim com>
Cc: <orca-list gnome org>
Sent: Tuesday, March 10, 2009 6:28 PM
Subject: Re: [orca-list] Turning off screens with Orca



hi,
sudo vbetool dpms off works for me and orca has no problems.

This had even solved a problem for my friend who had this similar
problem with the switch which only worked in windows.

happy hacking.
Krishnakant.

On Tue, 2009-03-10 at 18:20 +0000, Michael Whapples wrote:

Orca gets its information from the accessibility API (at-spi) rather
than relying on trying to gain information from the screen. You
shouldn't encounter problems with orca. However I have noticed that my
laptop has some bugs in the hardware which makes it undesirable to
turn off the screen (basically it doesn't always restore settings
correctly should I need to turn it on again whilst running, if you use
the switch on the lid to turn off the back light (IE. shut the lid) it
can crash the system, etc). Windows drivers do have work arounds built
in so most users don't notice these problems, but for linux users
sometimes these problems cause alot of annoyance.

BTW: When you say turning off the screen how do you mean turning off
the screen? I believe I may have followed what you meant because of
your comment that JFW doesn't like it (it sounds like you are
disabling the video hardware). The other way (which isn't fully
turning off the screen) is to just turn of the backlight in the LCD
panel (this takes out one power hungry component although more power
could be saved by disabling all the video hardware, not sure how
much). If it were possible to turn off the backlight only (not sure
how) nothing should complain about it as graphics is still being
produced, there's no light to see the images though. This may not be
explained best but I think the general idea is there.

Michael Whapples
On 23/12/42 19:59, James & Nash wrote:

Hi folks,

As I have no need of a screen, if I turn off my laptop Screen in
Ubuntu will Orca still work. i have no way of knowing if the screen
is off but I am just curious to know how Orca reads the screen -
does it read at system level? It doesn't seem to work with JFW

Thanks

james


_______________________________________________
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Orca-list gnome org
http://mail.gnome.org/mailman/listinfo/orca-list
Visit http://live.gnome.org/Orca for more information on Orca


_______________________________________________
Orca-list mailing list
Orca-list gnome org
http://mail.gnome.org/mailman/listinfo/orca-list
Visit http://live.gnome.org/Orca for more information on Orca


_______________________________________________
Orca-list mailing list
Orca-list gnome org
http://mail.gnome.org/mailman/listinfo/orca-list
Visit http://live.gnome.org/Orca for more information on Orca



eheil sdf lonestar org
SDF Public Access UNIX System - http://sdf.lonestar.org
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