Destroyed Installing on Steam Deck (markdown)
Wayne Heaney
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# Installing Breezy Gnome desktop on Steam Deck (contributed by Bill Burdick)
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These instructions require making your filesystem read-write. Efforts have been made to use distrobox
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but so far have not succeeded. Please contribute if you have success with that!
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# Make sure you're running on at least 3.6, which might require switching to the beta or alpha channel
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## NOTE: gnome-shell --nested didn't work for me on 3.5 but it did when I updated to 3.6.
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I was getting errors:
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```
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Unrecognized option: -byteswappedclients
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```
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(with lots of other text).
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Seems related to this bug: https://bugs-devel.debian.org/cgi-bin/bugreport.cgi?bug=1050642 and SteamOS 3.5 has mutter 44.2
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# If your root is not already writeable, make it so
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```sh
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sudo steamos-readonly disable
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```
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# If your pacman environment is not already initialized, make it so
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```sh
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sudo pacman-key --init
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sudo pacman-key --populate archlinux
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sudo pacman-key --populate holo
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```
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# make sure /usr/share is in your XDG_DATA_DIRS variable
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if not, add :/usr/share to it
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# load depends for breezy
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```sh
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sudo pacman -S --needed base-devel git
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# existing packages are reloaded here in order to install their header files
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sudo pacman -S glibc linux-api-headers systemd-libs openssl libevdev libusb json-c curl hidapi python python-pydbus 'gnome-shell>=45.0' python-yaml wayland
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```
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# Install breezy-desktop-gnome-git
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```sh
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paru -S breezy-desktop-gnome-git
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```
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# Continue with wheaney's setup instructions
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[Instructions](../#non-gnome-setup)
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# A note on wide-screen mode with Viture Pro glasses (and possibly others?)
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Sometimes the mouse is constrained to a 1920-pixel region in the middle of the screen. If this occurs, you can try the following steps:
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1. Quit Breezy,
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2. Put glasses into side-by-side mode -- a long press on the darkening button will do this on the Viture Pro,
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3. Launch Breezy with double-width,
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```
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MUTTER_DEBUG_DUMMY_MODE_SPECS='3840x1080@60' exec dbus-run-session -- gnome-shell --nested
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```
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4. Make sure you have "wide screen" checked in Breezy settings.
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# Thanks to TTachyon on Reddit for some very important info
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https://www.reddit.com/r/SteamDeck/comments/t92ozw/for_compiling_c_code
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# Docks
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My Steam Deck dock does not support displayport alt mode on any of its ports (except the one that goes into the deck of course). There are a few docks out there that do, but not many.
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If you need to use a third party dock with your glasses, make sure it has a port with the displayport alt mode symbol
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| like |  | or |  |
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|-|-|-|-|
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For reference, I'm using the Inateck 10-in-1 USB-C hub [(Amazon link)](https://www.amazon.com/dp/B0CCXZWS9C)
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# More setup stuff
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## My current `breezy` script
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This starts the breezy desktop in a nested gnome-shell and, after you activate the window (like by
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clicking on it) and, provided you have the window rule below, this will full-screen the window, remove the
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title bar, and make it ignore KDE desktop keyboard shortcuts so that the desktop can fully function as a gnome
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desktop.
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This expects the `classify-gnome-shell` script to be in your path.
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Note the last line of the script is if you need a double size window for wide screen mode. Wheany suggested trying this and it worked for me.
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```sh
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#!/bin/sh
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clssify-gnome-shell&
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MUTTER_DEBUG_DUMMY_MODE_SPECS='1920x1080@60' exec dbus-run-session -- gnome-shell --nested
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#MUTTER_DEBUG_DUMMY_MODE_SPECS='3840x1080@60' exec dbus-run-session -- gnome-shell --nested
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```
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## My current `classify-gnome-shell` script
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This script waits for you to make the nested gnome shell active (like by clicking on it) and then puts a
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"gnome-shell" class onto the window (which has no class for some reason). I have a KDE window rule that needs
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the window to have the "gnome-shell" class.
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```sh
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#!/bin/sh
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while true; do
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id=$(xdotool getactivewindow)
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if xprop -id $id | grep -q "WM_NAME.*gnome-shell"; then
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xdotool getactivewindow set_window --class gnome-shell --classname gnome-shell
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echo -e "\n\nGNOME-SHELL: $id\n\n"
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break
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fi
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sleep 0.25
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done
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```
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## KDE Window rule
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This rule full-screens the window, removes the title bar, and makes it ignore KEY desktop shortcuts (so you can
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use the super key in your nested gnome session).
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```
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[gnome-shell nested]
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Description=gnome-shell nested
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above=true
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disableglobalshortcuts=true
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disableglobalshortcutsrule=2
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fullscreen=true
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fullscreenrule=2
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noborder=true
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noborderrule=2
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skiptaskbar=true
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title=Steam Keyboard
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type=16
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wmclass=gnome-shell gnome-shell
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wmclasscomplete=true
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wmclassmatch=1
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```
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To install the rule
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1. copy the above text into a file
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2. go to KDE settings and click on Window Management
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3. click on Window Rules and then click the Import button to import the rules
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## xwayland script
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I currently use Emacs remotely for my work (because the emacs lsp glue code doesn't currently support tramp) and
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I've found that, even though this is not an ideal setup, running X inside of `gnome-shell -nested` inside of the
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X on the desktop actually does work. So, until we can run Wayland on the Steam Deck desktop and that language
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server code works within tramp, this is what I'll be using for my work. Aaaand, it's a full-screen window for
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now, until I can get rootless working.
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This runs the `awesome` window manager which, just to make things even more indirect, I have installed inside an
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Ubuntu distrobox so I can avoid dirtying the Steam Deck's root any more than I need to. So I run xwayland in
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distrobox. When you quit `awesome`, it kills xwayland for you.
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So feel free to use this but you have been warned...
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```sh
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#!/bin/sh
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Xwayland :3 -fullscreen -geometry 1920x1080&
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#Xwayland :3 -fullscreen -geometry 3840x1080&
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pid=$!
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sleep 2
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echo PID=$pid
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export DISPLAY=:3
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awesome
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kill -2 $pid
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```
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