#!/bin/bash # SteamOS look for GNOME, the counterpart of lib/vapor-theme.sh: the Vapor # palette from CachyOS's cachyos-vapor package (also the Steam Deck # wallpapers), as dark mode, a blue accent, the wallpaper and libadwaita/GTK4 # colors. Settings go through gsettings and its undo journal (lib/state.sh). # Sourced by steamify.sh; not meant to be run on its own. GNOME_THEME_MARK="/* Steamify GNOME theme */" GNOME_THEME_CSS="${XDG_CONFIG_HOME:-$HOME/.config}/gtk-4.0/gtk.css" # The Ubuntu-style look: the dock (Ubuntu Dock is Dash to Dock) and our own extension, # Steamify Vapor, which carries the shell colors (its stylesheet.css) and starts GNOME on # the desktop. (Desktop Icons NG and AppIndicator come with the conversion, lib/desktop-shortcut.sh.) GNOME_THEME_EXTENSIONS=(ubuntu-dock@ubuntu.com tiling-assistant@ubuntu.com steamify-vapor@steamify.github.io) # Ubuntu's own builds, the ones Ubuntu 26.04 ships (they are the more mature): Ubuntu Dock from its source tag # (built here: needs make, sassc and gettext) and Tiling Assistant (Ubuntu maintains it now) from its release. DOCK_URL="https://github.com/micheleg/dash-to-dock/archive/refs/tags/ubuntu-dock-109ubuntu2.tar.gz" DOCK_SHA256=599057fa27d922d4730bfc27c803b1b14b05f49a20e580e154e151b8481e5d41 TILING_URL="https://github.com/ubuntu/Tiling-Assistant/releases/download/v56/tiling-assistant@leleat-on-github.shell-extension.zip" TILING_SHA256=961da0c6b8e5960770e68a06d71205765870435dbe8fe0ccc1ec50d4cc78265a GNOME_USER_EXTENSIONS="${XDG_DATA_HOME:-$HOME/.local/share}/gnome-shell/extensions" GNOME_THEME_WALLPAPER="/usr/share/wallpapers/Steam Deck Logo Default.jpg" gnometheme_status() { grep -qsF "$GNOME_THEME_MARK" "$GNOME_THEME_CSS" } gnometheme_extensions_install() { # Ubuntu Dock and Tiling Assistant (pinned downloads, checked) and our own Steamify Vapor, in the user's own extensions folder. local file work dir dir="$GNOME_USER_EXTENSIONS/ubuntu-dock@ubuntu.com" if [[ ! -f "$dir/metadata.json" ]]; then file="$(mktemp --suffix=.tar.gz)"; work="$(mktemp -d)" sudo pacman -S --needed --noconfirm make sassc gettext >/dev/null 2>&1 if curl -fsSL --max-time 60 "$DOCK_URL" -o "$file" && [[ "$(sha256sum < "$file")" == "$DOCK_SHA256 -" ]] && tar xzf "$file" -C "$work" --strip-components=1 && make -C "$work" install-local INSTALLBASE="$GNOME_USER_EXTENSIONS" >/dev/null 2>&1; then : else warn "Couldn't set up Ubuntu Dock; the dock stays off." fi rm -rf "$file" "$work" fi dir="$GNOME_USER_EXTENSIONS/tiling-assistant@ubuntu.com" if [[ ! -f "$dir/metadata.json" ]]; then file="$(mktemp --suffix=.zip)" if curl -fsSL --max-time 60 "$TILING_URL" -o "$file" && [[ "$(sha256sum < "$file")" == "$TILING_SHA256 -" ]]; then rm -rf "$dir"; mkdir -p "$dir" python3 -c 'import sys,zipfile;zipfile.ZipFile(sys.argv[1]).extractall(sys.argv[2])' "$file" "$dir" # Under the name Ubuntu gives it (GNOME Settings' desktop panel looks for it). sed -i 's|"uuid": "tiling-assistant@leleat-on-github"|"uuid": "tiling-assistant@ubuntu.com"|' "$dir/metadata.json" glib-compile-schemas "$dir/schemas" 2>/dev/null else warn "Couldn't download Tiling Assistant; it stays off." fi rm -f "$file" fi # GNOME Settings' Desktop panel finds the settings of the dock and of tiling in the default schema folders. local schemas="${XDG_DATA_HOME:-$HOME/.local/share}/glib-2.0/schemas" ext mkdir -p "$schemas" for ext in ubuntu-dock@ubuntu.com tiling-assistant@ubuntu.com; do cp "$GNOME_USER_EXTENSIONS/$ext"/schemas/*.gschema.xml "$schemas/" 2>/dev/null done glib-compile-schemas "$schemas" 2>/dev/null dir="$GNOME_USER_EXTENSIONS/steamify-vapor@steamify.github.io" mkdir -p "$dir" patch_file steamify-vapor.js > "$dir/extension.js" patch_file steamify-vapor.json > "$dir/metadata.json" patch_file steamify-gnome-shell.css > "$dir/stylesheet.css" } gnometheme_backgrounds() { # The SteamOS wallpapers of cachyos-vapor in GNOME Settings' background list: its XML list in the user's folder. local xml="${XDG_DATA_HOME:-$HOME/.local/share}/gnome-background-properties/steamify-steamos.xml" f name mkdir -p "$(dirname "$xml")" { printf '%s\n' '' '' '' for f in /usr/share/wallpapers/*.jpg; do [[ -f "$f" ]] || continue name="$(basename "$f" .jpg)" printf ' \n SteamOS: %s\n %s\n %s\n zoom\n #24272c\n #24272c\n solid\n \n' "$name" "$f" "$f" done echo '' } > "$xml" } gnometheme_shell() { # The top bar and dash colors (the Steamify Vapor extension), and the dock beside it. gnometheme_extensions_install gnometheme_backgrounds # Like Ubuntu's dock: on the left, always there; its look is Ubuntu's own, left as it is. Its shape (a # panel to the screen edge or floating) is left to the user: Dock Settings. local d=org.gnome.shell.extensions.dash-to-dock gset gnometheme $d dock-position "'LEFT'" || true gset gnometheme $d dock-fixed true || true gset gnometheme $d running-indicator-style "'DOTS'" || true gset gnometheme $d click-action "'minimize-or-previews'" || true # Trash is in the dock, not on the desktop (Ubuntu does the same). gset gnometheme org.gnome.shell.extensions.ding show-trash false || true gset gnometheme $d show-trash true || true local uuid enabled for uuid in "${GNOME_THEME_EXTENSIONS[@]}"; do enabled="$(gs get org.gnome.shell enabled-extensions 2>/dev/null)" || return 0 [[ "$enabled" == *"$uuid"* ]] && continue if [[ "$enabled" == "@as []" || "$enabled" == "[]" ]]; then enabled="['$uuid']" else enabled="${enabled%]}, '$uuid']"; fi gset gnometheme org.gnome.shell enabled-extensions "$enabled" done } gnometheme_enable() { if ! pacman -Q cachyos-vapor >/dev/null 2>&1; then info "Installing cachyos-vapor (its wallpapers and colors)..." sudo pacman -S --needed --noconfirm cachyos-vapor || { err "Installing cachyos-vapor failed."; return 1; } # Only remove it again on disable if we were the ones installing it. state_set gnometheme installed_pkg 1 fi info "Applying the SteamOS look to GNOME..." gset gnometheme org.gnome.desktop.interface color-scheme "'prefer-dark'" gset gnometheme org.gnome.desktop.interface accent-color "'blue'" || true # adw-gtk3 follows the light/dark style of Settings > Appearance (CachyOS's adw-gtk3-dark would pin it dark). [[ -d /usr/share/themes/adw-gtk3 ]] && gset gnometheme org.gnome.desktop.interface gtk-theme "'adw-gtk3'" # Windows with minimize and maximize buttons, like Ubuntu (GNOME shows only close by default). gset gnometheme org.gnome.desktop.wm.preferences button-layout "'appmenu:minimize,maximize,close'" || true if [[ -f "$GNOME_THEME_WALLPAPER" ]]; then local uri="file://${GNOME_THEME_WALLPAPER// /%20}" gset gnometheme org.gnome.desktop.background picture-uri "'$uri'" gset gnometheme org.gnome.desktop.background picture-uri-dark "'$uri'" || true gset gnometheme org.gnome.desktop.background picture-options "'zoom'" fi # GTK4/libadwaita apps ignore GTK themes: their colors come from this file. mkdir -p "$(dirname "$GNOME_THEME_CSS")" if [[ -f "$GNOME_THEME_CSS" ]] && ! gnometheme_status; then cp -a "$GNOME_THEME_CSS" "$STATE_DIR/gnometheme-gtk4.css" fi { echo "$GNOME_THEME_MARK"; patch_file steamify-gnome-gtk4.css; } > "$GNOME_THEME_CSS" gnometheme_shell ok "SteamOS theme for GNOME on (apps pick up the colors when they start again)." } gnometheme_disable() { info "Restoring GNOME's previous look..." grevert gnometheme # (The Dock/Desktop Icons/Tiling Settings launchers of earlier prototypes.) rm -f "${XDG_DATA_HOME:-$HOME/.local/share}"/applications/steamify-{dock,icons,tiling}-settings.desktop \ "${XDG_DATA_HOME:-$HOME/.local/share}/gnome-background-properties/steamify-steamos.xml" rm -rf "$GNOME_USER_EXTENSIONS/steamify-vapor@steamify.github.io" "$GNOME_USER_EXTENSIONS/ubuntu-dock@ubuntu.com" "$GNOME_USER_EXTENSIONS/tiling-assistant@ubuntu.com" if [[ -f "$STATE_DIR/gnometheme-gtk4.css" ]]; then mv -f "$STATE_DIR/gnometheme-gtk4.css" "$GNOME_THEME_CSS" else gnometheme_status && rm -f "$GNOME_THEME_CSS" fi if [[ -n "$(state_get gnometheme installed_pkg)" ]]; then # Fails, and stays installed, when the KDE theme or another package needs it. sudo pacman -R --noconfirm cachyos-vapor >/dev/null 2>&1 || info "Keeping cachyos-vapor installed (another package needs it)." fi state_clear gnometheme ok "Previous GNOME look restored." }