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

["James & Nash" <james austin1984 googlemail com>]

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 undesireable 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 backlight (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
> >
> > _______________________________________________
> > 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
>
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