1 Dec
2016
1 Dec
'16
11:07 a.m.
OK, this is a sum of 3 scripts I use:
#!/bin/bash
#Test if we are not in dock
if [ -a /dev/video0 ]
then
#echo "Going to dock mode!";
xrandr --output LVDS1 --off
#xrandr --output VGA1 --mode 1600x1200
xrandr --newmode "1600x1200b" 180.0 1600 1604 1796 2050 1200
1201 1204 1250 +hsync +vsync
xrandr --addmode VGA1 1600x1200b
xrandr --output VGA1 --primary --mode 1600x1200b
xrandr --addmode DVI1 1600x1200b
xrandr --output DVI1 --mode 1600x1200b
xrandr --output DVI1 --right-of VGA1
else
#we are not in dock. Check do we have output on VGA
if [ -n "`xrandr | grep \"VGA1 conected\"`" ]
then
#echo "Going to projector mode!";
xrandr --output LVDS1 --mode 1024x768 --output VGA1
--mode 1024x768 --same-as LVDS1
fi
fi
There may be problems with newlines. "1201 1204 ..." is the continuing
of previous line. "--mode 1024x768 --same-as LVDS1" is also in previous
one.
WARNING: Do not use this script directly on Your monitor without
checking. High frequency may damage the monitor, especially old CRTs.
So what I'm doing there: first I check for availability of my tuner
card, this card is installed in dock. It computer is in dock, I:
1. Turn the LCD off
2. Set a custom 1600x1200 mode (here called "1600x1200b" for my
monitor which is connected through Sun-VGA adapter and X has no idea
how to handle 1600x1200 on it.
3. Activate it as primary.
4. Activate the second display (DVI) as the one right of VGA monitor.
If I'm not in dock, I look for something connected to VGA port.
If there is, LCD gets down to 1024x768, and VGA copies it.
MCbx
Gerhard Zintel <gerhard.zintel(a)mrs-thomas.de> napisał(a):
On Thursday 01 December 2016, deloptes wrote:
iadest(a)o2.pl wrote:
Can one of you guys please share that kind of shell script here on
the list to give me a clue how to start?
Gerhard
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Maybe this solution is not official and proper
one, but works:
Put the xrandr commands in a shell script and execute is at
startup.
I have such script which detects is my notebook docked first. If
yes, dual-screen configuration for dock outputs are set and
notebook's LCD is turned off.
If it's not docked, script checks for display connected to VGA
port. If it is, it duplicates screen from notebook decreasing
resolutions to 1024x768 as it's usually a projector in a lecture
room and it can't do more.
MCbx
I do the same. In the office I have two additional monitors and at
home one. So a shell script is checking what is available and runs
xrandr to setup the monitor and resolution.
Perhaps this is the reason we never noticed that the settings are
not saved and/or applied at tde session startup.
In fact I have noticed this on a VM ware recently, but I was
thinking it has to do with the vmware.
I think it is worth a bug report, so that we may not forget to
inspect this.