Need help config'ing multi-monitor support

benrose111488 · 12-11-2006, 09:22 PM

Hey everyone, let me give you a rundown of what I have and what I want

HAVE:
-NVidia GeForce 6800 Ultra
-1x Acer AL1912 (on the left)
-1x laCie electron22blue (on the right)

WANT (here's the tricky part):
I would like for my mouse and keyboard to only use one monitor until a hotkey is pressed, at which point the system uses the other monitor. I'd like it to work similar to virtual desktops, in that when I press alt+control+right, it switches to the right monitor. I don't want the mouse to be able to move freely from one desktop to another, as in, when it hits a corner of the screen, it stops.

here is my current xconf file, hope this helps! Let me know if you need any more info/clarification.

Code:

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder3)  Mon May 15 13:23:42 PDT 2006

# Xorg configuration created by system-config-display

Section "ServerLayout"
    Identifier     "single head configuration"
    Screen      0  "Screen0"
    Screen      1  "Screen0 (2nd)" RightOf "Screen0"
    InputDevice    "Mouse0" "CorePointer"
    InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"

# RgbPath is the location of the RGB database.  Note, this is the name of the 
# file minus the extension (like ".txt" or ".db").  There is normally
# no need to change the default.
# Multiple FontPath entries are allowed (they are concatenated together)
# By default, Red Hat 6.0 and later now use a font server independent of
# the X server to render fonts.
    RgbPath         "/usr/X11R6/lib/X11/rgb"
    FontPath        "unix/:7100"
EndSection

Section "Module"
    Load           "dbe"
    Load           "extmod"
    Load           "fbdevhw"
    Load           "glx"
    Load           "record"
    Load           "freetype"
    Load           "type1"
EndSection

Section "InputDevice"

# Specify which keyboard LEDs can be user-controlled (eg, with xset(1))
#	Option	"Xleds"		"1 2 3"
# To disable the XKEYBOARD extension, uncomment XkbDisable.
#	Option	"XkbDisable"
# To customise the XKB settings to suit your keyboard, modify the
# lines below (which are the defaults).  For example, for a non-U.S.
# keyboard, you will probably want to use:
#	Option	"XkbModel"	"pc102"
# If you have a US Microsoft Natural keyboard, you can use:
#	Option	"XkbModel"	"microsoft"
#
# Then to change the language, change the Layout setting.
# For example, a german layout can be obtained with:
#	Option	"XkbLayout"	"de"
# or:
#	Option	"XkbLayout"	"de"
#	Option	"XkbVariant"	"nodeadkeys"
#
# If you'd like to switch the positions of your capslock and
# control keys, use:
#	Option	"XkbOptions"	"ctrl:swapcaps"
# Or if you just want both to be control, use:
#	Option	"XkbOptions"	"ctrl:nocaps"
#
    Identifier     "Keyboard0"
    Driver         "kbd"
    Option         "XkbModel" "pc105"
    Option         "XkbLayout" "us"
EndSection

Section "InputDevice"
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "IMPS/2"
    Option         "Device" "/dev/input/mice"
    Option         "ZAxisMapping" "4 5"
    Option         "Emulate3Buttons" "yes"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Monitor Vendor"
    ModelName      "Acer AL1912"
    DisplaySize     370    300
    HorizSync       24.0 - 80.0
    VertRefresh     49.0 - 75.0
    Option         "dpms"
EndSection

Section "Device"
    Identifier     "Videocard0"
    Driver         "nvidia"
    VendorName     "Videocard vendor"
    BoardName      "GeForce 6800 Ultra"
    BusID          "PCI:1:5:0"
    Screen          0
EndSection

Section "Device"
    Identifier     "Videocard0 (2nd)"
    Driver         "nvidia"
    VendorName     "Videocard vendor"
    BoardName      "GeForce 6800 Ultra"
    BusID          "PCI:1:5:0"
    Screen          1
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Videocard0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "TwinView" "True"
    Option         "TwinViewOrientation" "RightOf"
    Option         "UseEdidFreqs" "True"
    Option         "MetaModes" "1024x768, 1024x768"
    Option         "NoLogo" "True"
    SubSection     "Display"
        Viewport    0 0
        Depth       16
        Modes      "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       24
        Modes      "1280x1024" "1152x864" "1152x768" "1024x768" "800x600" "640x480"
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen0 (2nd)"
    Device         "Videocard0 (2nd)"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "TwinView" "True"
    Option         "TwinViewOrientation" "RightOf"
    Option         "UseEdidFreqs" "True"
    Option         "MetaModes" "1024x768, 1024x768"
    Option         "NoLogo" "True"
    SubSection     "Display"
        Viewport    0 0
        Depth       16
        Modes      "800x600" "640x480"
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       24
        Modes      "1280x1024" "1152x864" "1152x768" "1024x768" "800x600" "640x480"
    EndSubSection
EndSection

piete · 12-12-2006, 09:19 AM

Having been reading up on dual monitors recently, try reading this from cover to cover:

http://gentoo-wiki.com/HOWTO_Dual_Monitors

I think that what you want is more than possible and the link should give you some more starting points.

Good luck,
- Piete.