theupriser/steamify-cachyos
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steamify-cachyos/lib/gnome-theme.sh
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#!/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
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 "$xml")"
{
printf '%s\n' '<?xml version="1.0"?>' '<!DOCTYPE wallpapers SYSTEM "gnome-wp-list.dtd">' '<wallpapers>'
for f in /usr/share/wallpapers/*.jpg; do
[[ -f "$f" ]] || continue
name="$(basename "$f" .jpg)"
printf ' <wallpaper deleted="false">\n <name>SteamOS: %s</name>\n <filename>%s</filename>\n <filename-dark>%s</filename-dark>\n <options>zoom</options>\n <pcolor>#24272c</pcolor>\n <scolor>#24272c</scolor>\n <shade_type>solid</shade_type>\n </wallpaper>\n' "$name" "$f" "$f"
done
echo '</wallpapers>'
} > "$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
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 "$enabled"
done
}
gnometheme_enable() {
if ! pacman -Q cachyos-vapor >/dev/null 2>&1; then
info "Installing cachyos-vapor (its wallpapers and colors)..."
sudo pacman -S --needed --noconfirm cachyos-vapor || { err "Installing cachyos-vapor failed."; return 1; }
# Only remove it again on disable if we were the ones installing it.
state_set gnometheme installed_pkg 1
fi
info "Applying the SteamOS look to GNOME..."
gset gnometheme org.gnome.desktop.interface color-scheme "'prefer-dark'"
gset gnometheme org.gnome.desktop.interface accent-color "'blue'" || true
gset gnometheme org.gnome.desktop.interface gtk-theme "'Vapor'" || true
# Windows with minimize and maximize buttons, like Ubuntu (GNOME shows only close by default).
gset gnometheme org.gnome.desktop.wm.preferences button-layout "'appmenu:minimize,maximize,close'" || true
if [[ -f "$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."
}
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