Dual head maximize and full screen spans across

I have had a dual screen set up in fluxbox for around 10 years, but I
always used two independent X sessions per monitor and I never had a
problem and never really missed the need to drag windows across screens.

Last night I just got a third monitor for the first time so I wanted to
configure it as 2 X sessions, one for the new big one and the other two
screens to share their own X session.
This means that I should now be able to drag stuff between them and
switching workspaces would link those two together.

My problem now is maximizing and full screen. It happens across both
monitors that share their own X session, Opening new windows many times
ends up with them being split in the middle and makes it annoying since now
I need to size stuff manually to adjust to the dimensions I want to match
one of the screens.

I have NOT enabled Xinerama enabled since that's a ServerLayout directive
and doing so would affect ALL screens linking them all three together.

I have used fluxbox for a decade but never on this configuration. I was
unable to find info online about how to handle this. Am I missing something?


Here is my Xorg.conf

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 331.20  (buildd@roseapple)  Mon Feb  3 15:07:22
UTC 2014

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 331.113  (buildmeister@swio-display-x64-rhel04-03)
 Mon Dec  1 21:15:34 PST 2014

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 3840 0
    Screen      1  "Screen1" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
    Option         "Xinerama" "0"
EndSection

Section "Files"
EndSection

Section "InputDevice"
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "LG Electronics L226W"
    HorizSync       28.0 - 83.0
    VertRefresh     56.0 - 75.0
    Option         "DPMS"
EndSection

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Unknown"
    ModelName      "Samsung U28D590"
    HorizSync       30.0 - 90.0
    VertRefresh     24.0 - 75.0
    ModeLine       "3840x2160_60.00" 712.75 3840 4160 4576 5312 2160 2163
2168 2237 -hsync +vsync
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 650"
    BusID          "PCI:1:0:0"
    Screen          0
    Option          "Twinview"
EndSection

Section "Device"
    Identifier     "Device1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GTX 650"
    BusID          "PCI:1:0:0"
    Screen          1
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "nvidiaXineramaInfoOrder" "CRT-0"
    Option         "metamodes" "VGA-0: nvidia-auto-select +0+0, DVI-D-0:
1440x900 +1680+0"
    Option         "SLI" "Off"
    Option         "MultiGPU" "Off"
    Option         "BaseMosaic" "off"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"

    #Option         "ModeValidation" "AllowNon60hzmodesDFPModes,
NoEDIDDFPMaxSizeCheck, NoVertRefreshCheck, NoHorizSyncCheck,
NoDFPNativeResolutionCheck, NoMaxSizeCheck, NoMaxPClkCheck,
 AllowNonEdidModes, NoEdidMaxPClkCheck"
    Identifier     "Screen1"
    Device         "Device1"
    Monitor        "Monitor1"
    DefaultDepth    24
    Option         "ModeValidation" "NoEDIDDFPMaxSizeCheck,
NoVertRefreshCheck, NoHorizSyncCheck, NoDFPNativeResolutionCheck,
NoMaxSizeCheck, NoMaxPClkCheck,  AllowNonEdidModes, NoEdidMaxPClkCheck"
    Option         "Stereo" "0"
    Option         "metamodes" "HDMI-0: nvidia-auto-select +0+0"
    Option         "SLI" "Off"
    Option         "MultiGPU" "Off"
    Option         "BaseMosaic" "off"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Extensions"
    Option         "Composite" "Disable"
EndSection


-- 
Jj
http://isgeek.net/
- Don't make me hate email: http://goo.gl/hk9q

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