From d31433b967b24eccc66b573323470aed6c8d5017 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Lucas=20Treffenst=C3=A4dt?= Date: Mon, 14 Jan 2019 13:14:49 +0100 Subject: [PATCH] Created Multihead setup with X11 backend (markdown) --- Multihead-setup-with-X11-backend.md | 33 +++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Multihead-setup-with-X11-backend.md diff --git a/Multihead-setup-with-X11-backend.md b/Multihead-setup-with-X11-backend.md new file mode 100644 index 0000000..6e8ab01 --- /dev/null +++ b/Multihead-setup-with-X11-backend.md @@ -0,0 +1,33 @@ +**This setup is not recommended. If at all possible, do not run sway this way as features may not work or behave unexpectedly.** + +This guide explains how to set up sway running under X11 (e.g. started from an X11 login manager) on multiple monitors. + +1. Set up your xorg.conf such that your monitors are presented as a unified screen (e.g. using Xinerama or TwinView). Make sure the ordering corresponds to what you actually want. + +2. Start sway with `WLR_X11_OUTPUTS` set to the number of monitors, e.g. `WLR_X11_OUTPUTS=2 sway` + +3. Use `DISPLAY=:0 xdotool search --name ''` to get all window ids in the underlying X11 screen. Then use `DISPLAY=:0 xdotool getwindowname ` to figure out which of the windows is which sway output. You want windows with a name like `wlroots - X11-n`, where `n` is the number of the output. + +4. Move the sway outputs to the correct location on the X11 screen with xdotool. E.g. for two monitors with 1920x1080 resolution, do `DISPLAY=:0 xdotool windowmove 0 0; DISPLAY=:0 xdotool windowmove 1920 0` + +5. Configure the correct resolution for all your outputs in your sway config. + +I have created a script to automate steps 3 and 4 for two outputs with a width of 1920 pixels: + +`#!/bin/bash +windows=$(DISPLAY=:0 xdotool search --name '') +win1='' +win2='' +for win in $windows +do + name=$(DISPLAY=:0 xdotool getwindowname $win) + if [[ $name == "wlroots - X11-1" ]] + then + win1=$win + elif [[ $name == "wlroots - X11-2" ]] + then + win2=$win + fi +done +DISPLAY=:0 xdotool windowmove $win1 1920 0 +DISPLAY=:0 xdotool windowmove $win2 0 0` \ No newline at end of file