xrandr-gotoggle
xrandr-gotoggle is a small tool for saving and loading xrandr configurations.
The tool saves xrandr configurations in a configuration file and references them by calculating a sha256 sum over the ID's of all connected monitors, by using the following format:
<calculated sha256 from connected monitors>: ["<xrandr commandline args>"]
5a11328e98459635a78587a4f8b39dbe5f6618932f5247634fce60fe60a19921: ["--screen", "0", "--output", "eDP-1", "--mode", "1920x1080", "--pos", "0x0", "--primary"
Usage
The tool provides the following commands:
| Command | Function |
|---|---|
xrandr-gotoggle apply |
Tries to apply the saved configuration if available. |
xrandr-gotoggle config view |
Prints the current configuration from the configuration file. |
xrandr-gotoggle config print-current-config |
Prints the current configuration, which could be added to the configuration file, and the corresponding xrandr command. |
xrandr-gotoggle config set-current-config |
Adds or overwrites the current configuration to the configuration file. |
xrandr-gotoggle print-checksum |
Calculates and prints the screen checksum. |
Build
To build the binary you need go installed on your system and run the following command.
go build .
Integration
To automatically apply a configuration on boot the tool should get run once after starting the window manager.
E.g. for i3 the following line could be added to the configuration at ~/.config/i3/config:
exec --no-startup-id /usr/local/bin/xrandr-gotoggle apply
To automatically apply a configuration on changes to the currently connected displays,
an udev-rule could get added (make sure to set the appropriate DISPLAY und user):
SUBSYSTEM=="drm", ACTION=="change", ENV{DISPLAY}=":1", RUN+="/bin/su - user -c '/usr/local/bin/xrandr-gotoggle apply'"
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