Friday, October 11, 2013

Dual monitors shortkey settings


With LXRandr, one can save  a certain display configuration. Then, in order to find that, you need to know what has changed in the home folder:

find ~/ -mmin -5 -type f
You can change 5 to a smaller number if you wish.
In this way, after saving configuration in LXRandr and running this command, the last change recorded is in ~/.config/autostart/lxrandr-autostart.desktop. That's it.
To open that:

gedit ~/.config/autostart/lxrandr-autostart.desktop
It contains something like:

[Desktop Entry]
Name=LXRandR autostart
Comment=Start xrandr with settings done in LXRandR
Exec=xrandr --output LVDS --mode 1680x1050 --rate 60.1 --output VGA-0 --off
What you need is (- with variable resolution - that is depending on my specific displays):
xrandr --output LVDS --mode 1680x1050 --rate 60.1 --output VGA-0 --off 

that is for the external monitor off, internal on.

To have the external on and the internal off:

xrandr --output LVDS --off --output VGA-0 --mode 1360x768 --rate 60.0 

To have extended monitor:

xrandr --output VGA-0 --auto --left-of LVDS 
Double desktop for a specific resolution for each display:

xrandr --output LVDS --mode 1680x1050 --rate 60.1 --output VGA-0 --mode 1360x768 --rate 60.0
To have the same display resolution on both:

xrandr --output LVDS --mode 1360x768 --rate 60.1 --output VGA-0 --mode 1360x768 --rate 60.0
xrandr --output LVDS --mode 1680x1050 --rate 60.1 --output VGA-0 --mode 1680x1050 --rate 60.0
or lower:
xrandr --output LVDS --mode 1280x720 --rate 60.1 --output VGA-0 --mode mode 1280x720 --rate 60.0 

And for each you need to assign a key (that is done differently depending on the desktop environment).

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