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Old 06-15-2008, 04:39 PM
fred smith
 
Default Desktop Effects -- questions/issues

Hi!

I finally tried enabling the desktop effects yesterday. I'm using an old
Nvidia card (GeForce 4 MX440) with, of course, Nvidia's drivers. this is
on a fully updated Centos 5 system.

Enabling from the gnome menu doesn't exactly work compltely, one needs to
google around a bit to find out the remaining magic incantations to make
it fully work. So, I've done that and it's working.

Issues:
1. I notice that the text in the bar at the top of each window appears to be
a different font, and it is outlined in black. Is there any way to tweak
that setting?
2. If I have a window that is slid partially off the edge of an individual
desktop it now oveerlaps the edge of the one "next" to it, when it never
did before. Not sure if I like that or not, is there any way to change
that behavior should I decide I don't like it?
3. I have (and always have had) the panel settings set to "autohide". I
now notice that it sometimes does not hide itself until I explicitly
click in an empty part of the panel, then somewhere else on the desktop.
Anyone know if there's a way to resovle this?

Question:
Should I decide I want to revert to the way it was before I enabled these
effects, how would I go about that? there is no "disable" button on the
gnome menu, only the "enable" button. I know how to un-do the changes I
made manually in the xorg.conf file, but no idea how to undo whatever it
is that the "enable desktop effects" button does. Clues would be appreciated.

Thanks in advance!

--
---- Fred Smith -- fredex@fcshome.stoneham.ma.us -----------------------------
"For him who is able to keep you from falling and to present you before his
glorious presence without fault and with great joy--to the only God our Savior
be glory, majesty, power and authority, through Jesus Christ our Lord, before
all ages, now and forevermore! Amen."
----------------------------- Jude 1:24,25 (niv) -----------------------------
_______________________________________________
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Old 06-16-2008, 04:43 PM
Dag Wieers
 
Default Desktop Effects -- questions/issues

On Sun, 15 Jun 2008, fred smith wrote:


I finally tried enabling the desktop effects yesterday. I'm using an old
Nvidia card (GeForce 4 MX440) with, of course, Nvidia's drivers. this is
on a fully updated Centos 5 system.

Enabling from the gnome menu doesn't exactly work compltely, one needs to
google around a bit to find out the remaining magic incantations to make
it fully work. So, I've done that and it's working.

Issues:
1. I notice that the text in the bar at the top of each window appears to be
a different font, and it is outlined in black. Is there any way to tweak
that setting?
2. If I have a window that is slid partially off the edge of an individual
desktop it now oveerlaps the edge of the one "next" to it, when it never
did before. Not sure if I like that or not, is there any way to change
that behavior should I decide I don't like it?
3. I have (and always have had) the panel settings set to "autohide". I
now notice that it sometimes does not hide itself until I explicitly
click in an empty part of the panel, then somewhere else on the desktop.
Anyone know if there's a way to resovle this?

Question:
Should I decide I want to revert to the way it was before I enabled these
effects, how would I go about that? there is no "disable" button on the
gnome menu, only the "enable" button. I know how to un-do the changes I
made manually in the xorg.conf file, but no idea how to undo whatever it
is that the "enable desktop effects" button does. Clues would be appreciated.


Not sure if this is helpful to you, but here is my experience:

I have an older/cheaper onboard nvidia in my mediacenter. It was hooked up
to a 1920x1200 TFT screen. compiz was terribly slow and play video's did
not work with some error message.


I tried both the nvidia drivers as well as the Open Source nv driver and
was disappointed, blamed the old/cheap nvidia and the high resolution as
the cause for not being able to use compiz.


Initially I also had problems with display-errors that were attributed to
a very simple fix described here:


http://wiki.centos.org/TipsAndTricks/Compiz

I finally found that by increasing the video memory size in the BIOS from
32MB to 128MB (system was upgraded from 512MB to 1536MB) compiz worked
very fast and the video-overlay/XV problems were gone.


My advice would be:

- Use the nvidia driver (we have dkms-enabled packages in RPMforge)
- Look at the tips in the wiki for compiz
- Increase the Video memory size in the BIOS to at least 128MB

And let me add that last point to the wiki, so people can find it there.
--
-- dag wieers, dag@centos.org, http://dag.wieers.com/ --
[Any errors in spelling, tact or fact are transmission errors]
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Old 06-16-2008, 10:33 PM
fred smith
 
Default Desktop Effects -- questions/issues

On Mon, Jun 16, 2008 at 06:43:49PM +0200, Dag Wieers wrote:
> On Sun, 15 Jun 2008, fred smith wrote:
>
> >I finally tried enabling the desktop effects yesterday. I'm using an old
> >Nvidia card (GeForce 4 MX440) with, of course, Nvidia's drivers. this is
> >on a fully updated Centos 5 system.
> >
> >Enabling from the gnome menu doesn't exactly work compltely, one needs to
> >google around a bit to find out the remaining magic incantations to make
> >it fully work. So, I've done that and it's working.
> >
> >Issues:
> >1. I notice that the text in the bar at the top of each window appears to
> >be
> >a different font, and it is outlined in black. Is there any way to tweak
> >that setting?
> >2. If I have a window that is slid partially off the edge of an individual
> >desktop it now oveerlaps the edge of the one "next" to it, when it never
> >did before. Not sure if I like that or not, is there any way to change
> >that behavior should I decide I don't like it?
> >3. I have (and always have had) the panel settings set to "autohide". I
> >now notice that it sometimes does not hide itself until I explicitly
> >click in an empty part of the panel, then somewhere else on the desktop.
> >Anyone know if there's a way to resovle this?
> >
> >Question:
> >Should I decide I want to revert to the way it was before I enabled these
> >effects, how would I go about that? there is no "disable" button on the
> >gnome menu, only the "enable" button. I know how to un-do the changes I
> >made manually in the xorg.conf file, but no idea how to undo whatever it
> >is that the "enable desktop effects" button does. Clues would be
> >appreciated.
>

Dag, thanks for the reply!

> Not sure if this is helpful to you, but here is my experience:
>
> I have an older/cheaper onboard nvidia in my mediacenter. It was hooked up
> to a 1920x1200 TFT screen. compiz was terribly slow and play video's did
> not work with some error message.
>
> I tried both the nvidia drivers as well as the Open Source nv driver and
> was disappointed, blamed the old/cheap nvidia and the high resolution as
> the cause for not being able to use compiz.
>
> Initially I also had problems with display-errors that were attributed to
> a very simple fix described here:
>
> http://wiki.centos.org/TipsAndTricks/Compiz
>
> I finally found that by increasing the video memory size in the BIOS from
> 32MB to 128MB (system was upgraded from 512MB to 1536MB) compiz worked
> very fast and the video-overlay/XV problems were gone.
>
> My advice would be:
>
> - Use the nvidia driver (we have dkms-enabled packages in RPMforge)
I'm using a driver I got directly from Nvidia. Are you saying that some
of the re-packaged nvidia drivers are better (in other ways than that
they make use of the distro's packaging, I mean)?

> - Look at the tips in the wiki for compiz
I think I already did but I'll go check again in case I missed something.
I assume you mean the Centos wiki...

> - Increase the Video memory size in the BIOS to at least 128MB
Sorry, no can do. It's a dedicated card with 64MB. I'm thinking of
picking up something less obsolete, though. I probably ought to do it
soon, as it looks like AGP cards are now being relegated to the low-end
and it's probably getting worse as time moves on. My display is "only"
1280x1024, so that 64 megs may not be too terrible a limitation.

performance isn't a big issue (except for resizing windows which sometimes
is fairly painful--I read somewhere else (possibly on compiz' own site)
that this is due to something other than compiz but right now I don't
remember the details.) I can rotate the cube quickly and easily, and
the jello windows jiggle nicely, assuming one likes jiggly windows.
>
> And let me add that last point to the wiki, so people can find it there.
> --
> -- dag wieers, dag@centos.org, http://dag.wieers.com/ --
> [Any errors in spelling, tact or fact are transmission errors]

--
---- Fred Smith -- fredex@fcshome.stoneham.ma.us -----------------------------
"For the word of God is living and active. Sharper than any double-edged
sword, it penetrates even to dividing soul and spirit, joints and marrow;
it judges the thoughts and attitudes of the heart."
---------------------------- Hebrews 4:12 (niv) ------------------------------
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Old 06-17-2008, 12:40 AM
Alfred von Campe
 
Default Desktop Effects -- questions/issues

On Jun 15, 2008, at 12:39, fred smith wrote:

Enabling from the gnome menu doesn't exactly work compltely, one
needs to
google around a bit to find out the remaining magic incantations to
make

it fully work. So, I've done that and it's working.


Can you enlighten the rest of us? That is, post the instruction on
how to do this either on the wiki or on this list? It's been on my
list of things to try, but things have been to busy lately to devote
some time to this...


Thanks,
Alfred

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Old 06-17-2008, 12:51 AM
fred smith
 
Default Desktop Effects -- questions/issues

On Mon, Jun 16, 2008 at 08:40:11PM -0400, Alfred von Campe wrote:
> On Jun 15, 2008, at 12:39, fred smith wrote:
>
> >Enabling from the gnome menu doesn't exactly work compltely, one
> >needs to
> >google around a bit to find out the remaining magic incantations to
> >make
> >it fully work. So, I've done that and it's working.
>
> Can you enlighten the rest of us? That is, post the instruction on
> how to do this either on the wiki or on this list? It's been on my
> list of things to try, but things have been to busy lately to devote
> some time to this...

Actually, I found it right on the Centos wiki:

http://wiki.centos.org/TipsAndTricks/Compiz?highlight=(compiz)

what I haven't yet figured out is how to turn it all OFF should
I decide to revert.

Oh, and one other small issue: Now when I grab the edge of a window
and drag to resize it, it no longer gives me the little popup that
shows the size of the window (i.e., an xterm or similar).
I assume it's a function of the window decorator, but have no clue
how one accesses/modifies it.


--
---- Fred Smith -- fredex@fcshome.stoneham.ma.us -----------------------------
The Lord is like a strong tower.
Those who do what is right can run to him for safety.
--------------------------- Proverbs 18:10 (niv) -----------------------------
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Old 06-20-2008, 01:52 AM
Dag Wieers
 
Default Desktop Effects -- questions/issues

On Mon, 16 Jun 2008, fred smith wrote:


Oh, and one other small issue: Now when I grab the edge of a window
and drag to resize it, it no longer gives me the little popup that
shows the size of the window (i.e., an xterm or similar).
I assume it's a function of the window decorator, but have no clue
how one accesses/modifies it.


Yes, when you use the Desktop Effects you are basicly swapping the normal
window manager called metacity, but a 3D window manager called compiz.


compiz apparently does not have that feature (showing the dimensions of a
window). I guess you have to choose...


--
-- dag wieers, dag@centos.org, http://dag.wieers.com/ --
[Any errors in spelling, tact or fact are transmission errors]
_______________________________________________
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