Dual Monitors (one is Wacom)

[osarusan]

Hi,

I read about dual monitors in some other posts here. I got my two monitors working using twinview (I have an nVidia) using the nvidia-settings config. It was very easy. One monitor is a 1680x1050 widescreen (primary monitor). The secondary monitor is a 1600x1200 Wacom Cintiq.

I have one problem that maybe someone who is a bit better than me can help me with. Currently, they both display perfectly. But the Wacom pen stretches across both screens rather than being limited to the Wacom's screen surface.

That is the say, the pen thinks I have a 3280x1200 display instead of a 1600x1200 display next to a 1680x1050 display.

Can anyone help me fix it so the pen is limited only to the Wacom monitor?

Thanks!

[osarusan]

*bump*

Does anyone here have any experience with Wacoms and Dual Monitors?

[brokenLockpick]

I'm currently fighting with a similar problem, but in my case I have two monitors and a non-LCD wacom tablet. My problem is that the left half of the tablet seems to work on the left monitor and if I pass the center point the cursor jumps to the right monitor.

These problems may be related and I have a hunch that there is probably a missing option in the xorg.conf file that would fix the problem, but I have no clue what it is at the moment(was looking for a solution when I stumbled upon your post)

I'm using an Nvidia card in "Xinerama" mode according to my xorg file. Based on what I've read this mode treats all monitors as one large virtual screen.

If I can get to the bottom of it I'll post how I managed(the problem I have is especially irritating as I cannot draw on the right half of my primary monitor, only the left half)

Edit: I found a thread which suggested entering the following two lines into the terminal
xsetwacom set stylus mmonitor off
xsetwacom set eraser mmonitor off

which the guy claimed worked on 8.10(I think) and I just tried it on 8.04 with success(it constrained the cursor to my primary monitor), don't know if it will solve your problem as it is slightly different but there's a possible solution.

[Favux]

Hi folks,

This might be of some help:

http://linuxwacom.sourceforge.net/in...o/multimonitor

[osarusan]

Thanks guys. I think you're both on the right track. I found that information a few days ago on the linuxwacom page as well, but I'm having trouble getting it to work... I don't know for sure why, but I have a suspicion it may have something to do with HAL... apparently in 8.10, HAL controls the wacom driver, not xorg. When I checked my xorg.conf, sure enough everything was commented out by HAL. So I uncommented the lines about the wacom device and added in the lines that the linuxwacom site recommended, but for some reason there was no change whatsoever. Is HAL still doing something??

I tried running xsetwacom set stylus mmonitor off and xsetwacom set eraser mmonitor off, but I get an error telling me there is no such device as stylus or eraser... Hm....

[Favux]

Hi osarusan,

No xorg.conf should control, not HAL. Did you remember to remove the comments from in front of "stylus", etc. in the "ServerLayout" section too.

[osarusan]

I think I did it correctly. Here is what my xorg looks like now. I know it's a bit cluttered:

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 1.0  (buildd@palmer)  Mon Nov  3 08:46:46 UTC 2008
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder63)  Wed Oct  1 15:09:35 PDT 2008
# xorg.conf (xorg X Window System server configuration file)
#
# This file was generated by dexconf, the Debian X Configuration tool, using
# values from the debconf database.
#
# Edit this file with caution, and see the xorg.conf manual page.
# (Type "man xorg.conf" at the shell prompt.)
#
# This file is automatically updated on xserver-xorg package upgrades *only*
# if it has not been modified since the last upgrade of the xserver-xorg
# package.
#
# If you have edited this file but would like it to be automatically updated
# again, run the following command:
#   sudo dpkg-reconfigure -phigh xserver-xorg
# commented out by update-manager, HAL is now used
#Section "InputDevice"
#	Identifier	"Generic Keyboard"
#	Driver		"kbd"
#	Option		"CoreKeyboard"
#	Option		"XkbRules"	"xorg"
#	Option		"XkbModel"	"pc105"
#	Option		"XkbLayout"	"us"
#EndSection
# commented out by update-manager, HAL is now used
#Section "InputDevice"
#	Identifier	"Configured Mouse"
#	Driver		"mouse"
#	Option		"CorePointer"
#	Option		"Device"	"/dev/input/mice"
#	Option		"Protocol"	"ImPS/2"
#	Option		"ZAxisMapping"	"4 5"
#	Option		"Emulate3Buttons"	"true"
#EndSection
# commented out by update-manager, HAL is now used
Section "InputDevice"
	Driver		"wacom"
	Identifier	"stylus"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"	"stylus"
	Option		"ForceDevice"	"ISDV4"# Tablet PC ONLY
	Option 		"TwinView" "horizontal"
	Option 		"TVResolution" "1680x1050,1600x1200"
	Option 		"ScreenNo" "1"
EndSection
# commented out by update-manager, HAL is now used
Section "InputDevice"
	Driver		"wacom"
	Identifier	"eraser"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"	"eraser"
	Option		"ForceDevice"	"ISDV4"# Tablet PC ONLY
	Option 		"TwinView" "horizontal"
	Option 		"TVResolution" "1680x1050,1600x1200"
	Option 		"ScreenNo" "1"
EndSection
# commented out by update-manager, HAL is now used
Section "InputDevice"
	Driver		"wacom"
	Identifier	"cursor"
	Option		"Device"	"/dev/input/wacom"
	Option		"Type"	"cursor"
	Option		"ForceDevice"	"ISDV4"# Tablet PC ONLY
	Option 		"TwinView" "horizontal"
	Option 		"TVResolution" "1680x1050,1600x1200"
	Option 		"ScreenNo" "1"
EndSection

Section "ServerLayout"
    Identifier     "Default Layout"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Module"
    Load           "glx"
EndSection

Section "ServerFlags"

# Removed Option "Xinerama" "0"
# Removed Option "Xinerama" "1"
    Option         "Xinerama" "0"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Keyboard0"
    Driver         "keyboard"
EndSection

Section "InputDevice"

    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "Monitor"
    Identifier     "Generic Monitor"
    HorizSync       30.0 - 70.0
    VertRefresh     50.0 - 160.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Iiyama PL2202W"
    HorizSync       30.0 - 80.0
    VertRefresh     55.0 - 75.0
EndSection

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Unknown"
    ModelName      "WAC Cintiq21UX"
    HorizSync       31.0 - 92.0
    VertRefresh     56.0 - 85.0
EndSection

Section "Device"
    Identifier     "Generic Video Card"
    Driver         "nvidia"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 7950 GT"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 7950 GT"
    BusID          "PCI:1:0:0"
    Screen          1
EndSection

Section "Screen"
    Identifier     "Default Screen"
    Device         "Generic Video Card"
    Monitor        "Generic Monitor"
    DefaultDepth    24
    Option         "AddARGBVisuals" "True"
    Option         "AddARGBGLXVisuals" "True"
    Option         "NoLogo" "True"
    SubSection     "Display"
        Depth       24
        Modes      "nvidia-auto-select"
    EndSubSection
EndSection

Section "Screen"

# Removed Option "TwinView" "0"
# Removed Option "metamodes" "DFP-0: 1680x1050_60_0 +0+0; DFP-0: nvidia-auto-select +0+0"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "TwinView" "1"
    Option         "TwinViewXineramaInfoOrder" "DFP-0"
    Option         "metamodes" "DFP-0: 1680x1050_60_0 +1600+0, DFP-1: 1600x1200 +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Device1"
    Monitor        "Monitor1"
    DefaultDepth    24
    Option         "TwinView" "0"
    Option         "metamodes" "DFP-1: 1600x1200 +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Most of the top section of my xorg file had been commented out, with that notice about HAL.

[Favux]

Hi osarusan,

I'm pretty sure you need to add to:

Section "ServerLayout"
    Identifier     "Default Layout"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

The following lines:

Section "ServerLayout"
    Identifier     "Default Layout"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
	InputDevice     "stylus"	"SendCoreEvents"
	InputDevice     "eraser"	"SendCoreEvents"
	InputDevice     "cursor"	"SendCoreEvents"
EndSection

Actually I would have thought you would have got a format error without them. And ServerLayout should be at the bottom (end) of the xorg.conf. Which model Wacom external tablet do you have?

I also wonder about the video related lines in the stylus, eraser and cursor sections. I am not sure I have seen those before.

And you are right it is cluttered. Wow!

[osarusan]

Hey, that worked! Thanks a lot!

Before Intrepid actually my xorg was cleaner, but apparently, HAL did some tweaking, and then when I set up my 2nd monitor this January it got much more cluttered as things were auto-configured and then as I played around with various multi-monitor layouts.

I'm using a Cintiq 22UX.

So now it's working confined to the tablet, which is great. However, it seems to no longer be pressure-sensitive. Actually, I can't remember if it was pressure-sensitive prior to today's changes... but I think that it was. And I know I had pressure working way back when I was using only the Cintiq. Do you know how I can re-enable pressure? (I tried using Gimp's pressure settings but they had no effect.)

[Favux]

osarusan,

If you've run wacomcpl to calibrate your tablet there should be a .xinitrc in your username directory. If you want to run it each time you log in use Sessions. In the .xinitrc, in the stylus section, should be:

xsetwacom set stylus PressCurve "0 10 90 100"

or something similar. This should give you pressure.