On Mon, Apr 05, 1999 at 11:11:37AM +0200, Marcus Claren wrote:
> Hi!
> I've got a very annoying problem. My X server seems to
> think that my screen is bigger than it actually is.
[...]
> Some guy at irc told me that this could be due to
> that I've set my virtual res too high in the XF86Config-
> file, but he couldn't explain to me exactly how to
> change this.
Well, the first thing to do it determine if this is actually a virtual
desktop problem.
If, when you move the mouse pointer against one of the edges of the screen,
your desktop starts to "slide around", then it is very likely the case that
your virtual desktop is larger than your screen resolution. Be sure and
try all four edges.
The size of the virtual desktop is controlled in the Screen section of the
XF86Config file.
For instance, here's mine:
Section "Screen"
Driver "Accel"
Device "ATI Xpert@Play"
Monitor "Sony 200sf"
BlankTime 0
DefaultColorDepth 32
SubSection "Display"
Depth 8
Modes "1376x1032" "1152x864" "1024x768" "800x600" "640x480" "512x384"
EndSubSection
SubSection "Display"
Depth 16
Modes "1376x1032" "1152x864" "1024x768" "800x600" "640x480" "512x384"
EndSubSection
SubSection "Display"
Depth 32
Modes "1376x1032" "1152x864" "1024x768" "800x600" "640x480" "512x384"
EndSubSection
EndSection
As you can see, I have no "Virtual" line. If I did, it would be in the
Display subsections, with "Depth" and "Modes".
The XF86Config manpage says:
Virtual xdim ydim
This optional entry specifies the virtual
screen resolution to be used. xdim must be a
multiple of either 8 or 16 for most colour X
servers, and a multiple of 32 for the
monochrome X server. The given value will be
rounded down if this is not the case. For
most X servers, video modes which are too
large for the specified virtual size will be
rejected. If this entry is not present, the
virtual screen resolution will be set to
accommodate all the valid video modes given in
the Modes entry. Some X servers do not sup
port this entry. Refer to the appropriate X
server manual pages for details.
So, in my case, my virtual resolution is 1376x1032, because that is the
largest mode listed (I have no invalid modes). Furthermore, because
1376x1032 is listed first, it is the default mode. So I startup with a
virtual resolution that is the same as the screen resolution.
If I use <CTRL-ALT-KEYPAD_PLUS> to "zoom in" (proceed forward along the
list of modes, which are in my case progressively lower in resolution),
then I get virtual desktop effects.
If it turns out your problem is not the virtual desktop, you will need to
talk to a Window Maker guru. There are plenty here, but I'm a Luddite and
stick with fvwm.
--
G. Branden Robinson | Suffer before God and ye shall be
Debian GNU/Linux | redeemed. God loves us, so He makes us
branden@ecn.purdue.edu | suffer Christianity.
cartoon.ecn.purdue.edu/~branden/ | -- Aaron Dunsmore
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