fix: check compositor support status before using ueberzug wayland output

cspell.json

@@ -1 +1 @@
-{"flagWords":[],"words":["Punct","KEYMAP","splitn","crossterm","YAZI","unar","peekable","ratatui","syntect","pbpaste","pbcopy","ffmpegthumbnailer","oneshot","Posix","Lsar","XADDOS","zoxide","cands","Deque","precache","imageops","IFBLK","IFCHR","IFDIR","IFIFO","IFLNK","IFMT","IFSOCK","IRGRP","IROTH","IRUSR","ISGID","ISUID","ISVTX","IWGRP","IWOTH","IWUSR","IXGRP","IXOTH","IXUSR","libc","winsize","TIOCGWINSZ","xpixel","ypixel","ioerr","appender","Catppuccin","macchiato","gitmodules","Dotfiles","bashprofile","vimrc","flac","webp","exiftool","mediainfo","ripgrep","nvim","indexmap","indexmap","unwatch","canonicalize","serde","fsevent","Ueberzug","iterm","wezterm","sixel","chafa","ueberzugpp","️ Überzug","️ Überzug","Konsole","Alacritty","Überzug","pkgs","paru","unarchiver","pdftoppm","poppler","prebuild","singlefile","jpegopt","EXIF","rustfmt","mktemp","nanos","xclip","xsel","natord","Mintty","nixos","nixpkgs","SIGTSTP","SIGCONT","SIGCONT","mlua","nonstatic","userdata","metatable","natsort","backstack","luajit","Succ","Succ","cand","fileencoding","foldmethod","lightgreen","darkgray","lightred","lightyellow","lightcyan","nushell","msvc","aarch","linemode","sxyazi","rsplit","ZELLIJ","bitflags","bitflags","USERPROFILE","Neovim","vergen","gitcl","Renderable","preloaders","prec","imagesize","Upserting","prio","Ghostty","Catmull","Lanczos","cmds","unyank","scrolloff","headsup","unsub","uzers","scopeguard","SPDLOG","globset","filetime","magick","magick","prefetcher","Prework","prefetchers","PREWORKERS","conds","translit","rxvt","Urxvt","realpath","realname","REPARSE","hardlink","hardlinking","nlink","nlink","linemodes","SIGSTOP","sevenzip","rsplitn","replacen","DECSET","DECRQM","repeek","cwds","tcsi"],"language":"en","version":"0.2"}
+{"words":["Punct","KEYMAP","splitn","crossterm","YAZI","unar","peekable","ratatui","syntect","pbpaste","pbcopy","ffmpegthumbnailer","oneshot","Posix","Lsar","XADDOS","zoxide","cands","Deque","precache","imageops","IFBLK","IFCHR","IFDIR","IFIFO","IFLNK","IFMT","IFSOCK","IRGRP","IROTH","IRUSR","ISGID","ISUID","ISVTX","IWGRP","IWOTH","IWUSR","IXGRP","IXOTH","IXUSR","libc","winsize","TIOCGWINSZ","xpixel","ypixel","ioerr","appender","Catppuccin","macchiato","gitmodules","Dotfiles","bashprofile","vimrc","flac","webp","exiftool","mediainfo","ripgrep","nvim","indexmap","indexmap","unwatch","canonicalize","serde","fsevent","Ueberzug","iterm","wezterm","sixel","chafa","ueberzugpp","️ Überzug","️ Überzug","Konsole","Alacritty","Überzug","pkgs","paru","unarchiver","pdftoppm","poppler","prebuild","singlefile","jpegopt","EXIF","rustfmt","mktemp","nanos","xclip","xsel","natord","Mintty","nixos","nixpkgs","SIGTSTP","SIGCONT","SIGCONT","mlua","nonstatic","userdata","metatable","natsort","backstack","luajit","Succ","Succ","cand","fileencoding","foldmethod","lightgreen","darkgray","lightred","lightyellow","lightcyan","nushell","msvc","aarch","linemode","sxyazi","rsplit","ZELLIJ","bitflags","bitflags","USERPROFILE","Neovim","vergen","gitcl","Renderable","preloaders","prec","imagesize","Upserting","prio","Ghostty","Catmull","Lanczos","cmds","unyank","scrolloff","headsup","unsub","uzers","scopeguard","SPDLOG","globset","filetime","magick","magick","prefetcher","Prework","prefetchers","PREWORKERS","conds","translit","rxvt","Urxvt","realpath","realname","REPARSE","hardlink","hardlinking","nlink","nlink","linemodes","SIGSTOP","sevenzip","rsplitn","replacen","DECSET","DECRQM","repeek","cwds","tcsi","Hyprland","Wayfire","SWAYSOCK"],"version":"0.2","language":"en","flagWords":[]}

yazi-adapter/src/adapter.rs

@@ -95,12 +95,14 @@ impl Adapter {
 			return *p;
 		}
 
+		let supported_compositor = Ueberzug::supported_compositor();
 		match env::var("XDG_SESSION_TYPE").unwrap_or_default().as_str() {
 			"x11" => return Self::X11,
-			"wayland" => return Self::Wayland,
+			"wayland" if supported_compositor => return Self::Wayland,
+			"wayland" if !supported_compositor => warn!("[Adapter] Unsupported Wayland compositor"),
 			_ => warn!("[Adapter] Could not identify XDG_SESSION_TYPE"),
 		}
-		if env_exists("WAYLAND_DISPLAY") {
+		if supported_compositor && env_exists("WAYLAND_DISPLAY") {
 			return Self::Wayland;
 		}
 		if env_exists("DISPLAY") {

yazi-adapter/src/ueberzug.rs

@@ -6,7 +6,7 @@ use ratatui::layout::Rect;
 use tokio::{io::AsyncWriteExt, process::{Child, Command}, sync::mpsc::{self, UnboundedSender}};
 use tracing::{debug, warn};
 use yazi_config::PREVIEW;
-use yazi_shared::RoCell;
+use yazi_shared::{env_exists, RoCell};
 
 use crate::{Adapter, Dimension};
 
@@ -72,6 +72,15 @@ impl Ueberzug {
 		}
 	}
 
+	// Currently Überzug++'s Wayland output only supports Sway, Hyprland and Wayfire
+	// as it requires information from specific compositor socket directly.
+	// These environment variables are from ueberzugpp src/canvas/wayland/config.cpp
+	pub(super) fn supported_compositor() -> bool {
+		env_exists("SWAYSOCK")
+			|| env_exists("HYPRLAND_INSTANCE_SIGNATURE")
+			|| env_exists("WAYFIRE_SOCKET")
+	}
+
 	fn create_demon(adapter: Adapter) -> Result<Child> {
 		// TODO: demon
 		let result = Command::new("ueberzugpp")

yazi-boot/src/actions/debug.rs

@@ -27,9 +27,13 @@ impl Actions {
 		writeln!(s, "    Adapter.matches: {:?}", yazi_adapter::Adapter::matches())?;
 
 		writeln!(s, "\nDesktop")?;
-		writeln!(s, "    XDG_SESSION_TYPE: {:?}", env::var_os("XDG_SESSION_TYPE"))?;
-		writeln!(s, "    WAYLAND_DISPLAY : {:?}", env::var_os("WAYLAND_DISPLAY"))?;
-		writeln!(s, "    DISPLAY         : {:?}", env::var_os("DISPLAY"))?;
+		writeln!(s, "    XDG_SESSION_TYPE           : {:?}", env::var_os("XDG_SESSION_TYPE"))?;
+		writeln!(s, "    WAYLAND_DISPLAY            : {:?}", env::var_os("WAYLAND_DISPLAY"))?;
+		writeln!(s, "    DISPLAY                    : {:?}", env::var_os("DISPLAY"))?;
+		writeln!(s, "    SWAYSOCK                   : {:?}", env::var_os("SWAYSOCK"))?;
+		#[rustfmt::skip]
+		writeln!(s, "    HYPRLAND_INSTANCE_SIGNATURE: {:?}", env::var_os("HYPRLAND_INSTANCE_SIGNATURE"))?;
+		writeln!(s, "    WAYFIRE_SOCKET             : {:?}", env::var_os("WAYFIRE_SOCKET"))?;
 
 		writeln!(s, "\nSSH")?;
 		writeln!(s, "    shared.in_ssh_connection: {:?}", yazi_shared::in_ssh_connection())?;