style: rewrap the droiddeck-xwindows header comment

app/src/main/java/com/droiddeck/launcher/MainActivity.kt

@@ -121,6 +121,7 @@ class MainActivity : ComponentActivity() {
     private var steamDeckMode by mutableStateOf(false)
     private var steamRepairQueued by mutableStateOf(false)
     private var mangoapp by mutableStateOf(true)
+    private var dualXwayland by mutableStateOf(true)
     private var steamController by mutableStateOf(SessionPrefs.CONTROLLER_DECK)
     private var showProtons by mutableStateOf(false)
     // Components page: FEX / DXVK / VKD3D-Proton per Proton (ComponentsManager).
@@ -1182,6 +1183,7 @@ class MainActivity : ComponentActivity() {
                 steamDeckMode = mode == SessionService.MODE_STEAM && steamDeckMode,
                 steamRepairQueued = steamRepairQueued,
                 mangoapp = mangoapp,
+                dualXwayland = dualXwayland,
                 steamController = if (mode == SessionService.MODE_STEAM) steamController else null,
                 runSteamAtStartup = mode == SessionService.MODE_STEAM && runSteamAtStartup,
                 wifiDiscovery = if (mode == SessionService.MODE_STEAM) wifiDiscovery else null,
@@ -1265,6 +1267,7 @@ class MainActivity : ComponentActivity() {
                     steamChannel = SessionPrefs.steamChannel(this)
                 },
                 onMangoapp = { on -> SessionPrefs.setMangoapp(this, on); mangoapp = on },
+                onDualXwayland = { on -> SessionPrefs.setDualXwayland(this, on); dualXwayland = on },
                 onSteamController = { id -> SessionPrefs.setSteamController(this, id); steamController = id },
                 onRunSteamAtStartup = { on ->
                     SessionPrefs.setRunSteamAtStartup(this, on)
@@ -1380,6 +1383,7 @@ class MainActivity : ComponentActivity() {
         steamDeckMode = SessionPrefs.steamDeckMode(this)
         steamRepairQueued = SteamRepair.queued(this)
         mangoapp = SessionPrefs.mangoapp(this)
+        dualXwayland = SessionPrefs.dualXwayland(this)
         steamController = SessionPrefs.steamController(this)
         runSteamAtStartup = SessionPrefs.runSteamAtStartup(this)
         addedGamesDirs = SessionPrefs.addedGamesDirs(this)

app/src/main/java/com/droiddeck/launcher/core/DeviceReport.kt

@@ -154,6 +154,7 @@ object DeviceReport {
         k("No GL error checks", SessionPrefs.noGlError(context))
         k("Steam Deck mode", SessionPrefs.steamDeckMode(context))
         k("Steam controller", SessionPrefs.steamController(context))
+        k("Two Xwayland servers", SessionPrefs.dualXwayland(context))
         k("Upscaler", (SessionPrefs.upscalerChoices.firstOrNull { it.first == SessionPrefs.upscaler(context) }?.second ?: "Off") +
             " (sharpness ${SessionPrefs.upscaleSharpness(context)}%)")
         k("FEX preset", SessionPrefs.fexPreset(context).ifEmpty { "FEX defaults" })

app/src/main/java/com/droiddeck/launcher/session/SessionFiles.kt

@@ -41,6 +41,7 @@ object SessionFiles {
             "libblfastpath.so" to "usr/local/lib/libblfastpath.so",
             "libssbs.so" to "usr/local/lib/libssbs.so",
             "usr/local/bin/droiddeck-session" to "usr/local/bin/droiddeck-session",
+            "usr/local/bin/droiddeck-xwindows" to "usr/local/bin/droiddeck-xwindows",
             "usr/local/bin/steam-compatibility" to "usr/local/bin/steam-compatibility",
             "usr/local/bin/droiddeck-clipboard" to "usr/local/bin/droiddeck-clipboard",
             "usr/local/bin/droiddeck-steam-install" to "usr/local/bin/droiddeck-steam-install",

app/src/main/java/com/droiddeck/launcher/session/SessionPrefs.kt

@@ -418,6 +418,14 @@ object SessionPrefs {
     fun mangoapp(context: Context): Boolean = prefs(context).getBoolean("mangoapp", true)
     fun setMangoapp(context: Context, on: Boolean) { prefs(context).edit().putBoolean("mangoapp", on).apply() }
 
+    /**
+     * Steam on two Xwayland servers, as SteamOS runs it: the client on one, its games on the other
+     * (droiddeck-session, BL_XWAYLAND_COUNT). Off puts both back on one server, for a game whose
+     * window opens behind the client and never takes focus. On by default.
+     */
+    fun dualXwayland(context: Context): Boolean = prefs(context).getBoolean("dualXwayland", true)
+    fun setDualXwayland(context: Context, on: Boolean) { prefs(context).edit().putBoolean("dualXwayland", on).apply() }
+
     /**
      * Zink's lazy descriptor mode (ZINK_DESCRIPTORS=lazy) with its compact set layout
      * (ZINK_DEBUG=compact) for the client's GL-on-Vulkan UI, as WinNative runs it. On by default.

app/src/main/java/com/droiddeck/launcher/session/SessionService.kt

@@ -614,6 +614,7 @@ class SessionService : Service() {
         guest.add("GLIBC_TUNABLES=glibc.pthread.rseq=0:glibc.malloc.top_pad=16777216")
         if (SessionState.mode == MODE_STEAM) guest.add("BL_STEAMDECK=" + (if (SessionPrefs.steamDeckMode(this)) "1" else "0"))
         if (SessionState.mode == MODE_STEAM) guest.add("BL_MANGOAPP=" + (if (SessionPrefs.mangoapp(this)) "1" else "0"))
+        if (SessionState.mode == MODE_STEAM) guest.add("BL_XWAYLAND_COUNT=" + (if (SessionPrefs.dualXwayland(this)) "2" else "1"))
         if (steamHere) guest.add("BL_STEAM_CHANNEL=" + SessionPrefs.steamChannel(this))
         if (SessionState.mode == MODE_STEAM) {
             guest.add("BL_GAMESCOPE_STRETCH_16X9=" + (if (SessionPrefs.stretch16x9(this)) "1" else "0"))

app/src/main/java/com/droiddeck/launcher/ui/ModeSettingsDialog.kt

@@ -94,6 +94,8 @@ class ModeSettings(
     val steamRepairQueued: Boolean = false,
     /** Steam, Deck mode: the QAM's performance overlay (mangoapp) is started. */
     val mangoapp: Boolean = true,
+    /** Steam only: the client and its games on separate Xwayland servers. */
+    val dualXwayland: Boolean = true,
     /** Steam only: what the pad is to the client (SessionPrefs.CONTROLLER_*); null outside Steam. */
     val steamController: String? = null,
     /** Steam only: start a Steam session when DroidDeck opens. */
@@ -152,6 +154,7 @@ class ModeSettingsActions(
     val onSteamRepair: () -> Unit = {},
     val onSteamDeckMode: (Boolean) -> Unit = {},
     val onMangoapp: (Boolean) -> Unit = {},
+    val onDualXwayland: (Boolean) -> Unit = {},
     val onSteamController: (String) -> Unit = {},
     val onRunSteamAtStartup: (Boolean) -> Unit = {},
     val onWifiDiscovery: (Boolean) -> Unit = {},
@@ -390,6 +393,11 @@ fun ModeSettingsPage(s: ModeSettings, a: ModeSettingsActions) {
                 stringResource(R.string.mode_mangoapp_hint),
                 s.mangoapp, onChange = a.onMangoapp,
             )
+            ToggleRow(
+                host, "dualxwayland", stringResource(R.string.mode_dual_xwayland),
+                stringResource(R.string.mode_dual_xwayland_hint),
+                s.dualXwayland, onChange = a.onDualXwayland,
+            )
             // Deck mode fixes the branch (SessionPrefs.steamChannel); the choice is for Deck mode off.
             if (s.steamDeckMode) SettingsRow(stringResource(R.string.mode_branch), stringResource(R.string.mode_branch_deck)) {}
             else ChoiceRow(

app/src/main/res/values-es/strings.xml

@@ -289,6 +289,8 @@
     <string name="mode_deck_mode_hint">La interfaz Deck de Steam y los controles de rendimiento de Quick Access. Se aplica en la próxima sesión.</string>
     <string name="mode_mangoapp">Overlay de rendimiento</string>
     <string name="mode_mangoapp_hint">Desactívalo si los juegos fallan o se quedan en negro en modo Deck. Se aplica en la próxima sesión.</string>
+    <string name="mode_dual_xwayland">Dos servidores Xwayland</string>
+    <string name="mode_dual_xwayland_hint">Ejecuta los juegos en su propio servidor X, como SteamOS. Desactívalo si un juego se abre detrás de Steam y nunca toma el foco. Se aplica en la próxima sesión.</string>
     <string name="mode_branch">Rama del cliente</string>
     <string name="mode_branch_deck">Beta pública de Steam Deck (requerida por el modo Deck).</string>
     <string name="mode_branch_hint">Se aplica en la próxima sesión. Steam puede actualizarse una vez.</string>

app/src/main/res/values-fr/strings.xml

@@ -263,6 +263,8 @@
     <string name="mode_deck_mode_hint">Interface Steam Deck et contrôles de performance à accès rapide. Prendra effet à la prochaine session.</string>
     <string name="mode_mangoapp">Superposition de performance</string>
     <string name="mode_mangoapp_hint">Désactivez cette option si les jeux plantent ou affichent un écran noir en mode Deck. Prendra effet à la prochaine session.</string>
+    <string name="mode_dual_xwayland">Deux serveurs Xwayland</string>
+    <string name="mode_dual_xwayland_hint">Lance les jeux sur leur propre serveur X, comme SteamOS. Désactivez cette option si un jeu s’ouvre derrière Steam et ne prend jamais le focus. Prendra effet à la prochaine session.</string>
     <string name="mode_branch">Branche du client</string>
     <string name="mode_branch_deck">Bêta Steam Deck (requis pour le mode Deck).</string>
     <string name="mode_branch_hint">Prendra effet à la prochaine session. Steam peut se mettre à jour une fois de lui-même.</string>

app/src/main/res/values-ja/strings.xml

@@ -289,6 +289,8 @@
     <string name="mode_deck_mode_hint">Steam DeckのUIとクイックアクセスパフォーマンスコントロール。次回のセッションで有効になります。</string>
     <string name="mode_mangoapp">パフォーマンスオーバーレイ</string>
     <string name="mode_mangoapp_hint">Deckモードでゲームがクラッシュしたり画面が真っ暗になる場合は、これをオフにしてください。次回のセッションで有効になります。</string>
+    <string name="mode_dual_xwayland">2つのXwaylandサーバー</string>
+    <string name="mode_dual_xwayland_hint">SteamOSと同様に、ゲームを専用のXサーバーで実行します。ゲームがSteamの背後で開き、フォーカスされない場合はオフにしてください。次回のセッションで有効になります。</string>
     <string name="mode_branch">クライアントブランチ</string>
     <string name="mode_branch_deck">Steam Deckベータ版（Deckモードに必要）。</string>
     <string name="mode_branch_hint">次回のセッションで有効になります。Steamが自動的に一度アップデートされる場合があります。</string>

app/src/main/res/values-ko/strings.xml

@@ -289,6 +289,8 @@
     <string name="mode_deck_mode_hint">Steam Deck UI 및 빠른 액세스 성능 제어. 다음 세션에 적용됩니다.</string>
     <string name="mode_mangoapp">성능 오버레이</string>
     <string name="mode_mangoapp_hint">Deck 모드에서 게임이 충돌하거나 화면이 검게 변하면 이 옵션을 끄세요. 다음 세션에 적용됩니다.</string>
+    <string name="mode_dual_xwayland">Xwayland 서버 2개</string>
+    <string name="mode_dual_xwayland_hint">SteamOS처럼 게임을 별도의 X 서버에서 실행합니다. 게임이 Steam 뒤에서 열리고 포커스를 받지 못하면 이 옵션을 끄세요. 다음 세션에 적용됩니다.</string>
     <string name="mode_branch">클라이언트 브랜치</string>
     <string name="mode_branch_deck">Steam Deck 베타(Deck 모드에 필요).</string>
     <string name="mode_branch_hint">다음 세션에 적용됩니다. Steam이 자체적으로 한 번 업데이트될 수 있습니다.</string>

app/src/main/res/values-ru/strings.xml

@@ -263,6 +263,8 @@
     <string name="mode_deck_mode_hint">Интерфейс Steam Deck и управление производительностью через быстрый доступ. Вступит в силу в следующей сессии.</string>
     <string name="mode_mangoapp">Оверлей производительности</string>
     <string name="mode_mangoapp_hint">Отключите, если игры падают или появляется черный экран в режиме Deck. Вступит в силу в следующей сессии.</string>
+    <string name="mode_dual_xwayland">Два сервера Xwayland</string>
+    <string name="mode_dual_xwayland_hint">Запускает игры на отдельном X-сервере, как в SteamOS. Отключите, если игра открывается позади Steam и не получает фокус. Вступит в силу в следующей сессии.</string>
     <string name="mode_branch">Ветка клиента</string>
     <string name="mode_branch_deck">Бета-версия Steam Deck (требуется для режима Deck).</string>
     <string name="mode_branch_hint">Вступит в силу в следующей сессии. Steam может обновиться самостоятельно один раз.</string>

app/src/main/res/values-zh-rCN/strings.xml

@@ -289,6 +289,8 @@
     <string name="mode_deck_mode_hint">Steam 的 Deck 界面和快捷访问性能控制。将在下次会话生效。</string>
     <string name="mode_mangoapp">性能覆盖层</string>
     <string name="mode_mangoapp_hint">若游戏在 Deck 模式下崩溃或黑屏，请关闭性能覆盖层。将在下次会话生效。</string>
+    <string name="mode_dual_xwayland">双 Xwayland 服务器</string>
+    <string name="mode_dual_xwayland_hint">像 SteamOS 一样在独立的 X 服务器上运行游戏。若游戏在 Steam 后面打开且始终无法获得焦点，请关闭此项。将在下次会话生效。</string>
     <string name="mode_branch">客户端分支</string>
     <string name="mode_branch_deck">Steam Deck 公开测试版（Deck 模式所必需）。</string>
     <string name="mode_branch_hint">将在下次会话生效。Steam 可能会自行更新一次。</string>

app/src/main/res/values-zh-rHK/strings.xml

@@ -289,6 +289,8 @@
     <string name="mode_deck_mode_hint">Steam 的 Deck 介面及快速存取效能控制。下次會話生效。</string>
     <string name="mode_mangoapp">效能疊加層</string>
     <string name="mode_mangoapp_hint">如果在 Deck 模式下遊戲當機或黑畫面，請關閉此項。下次會話生效。</string>
+    <string name="mode_dual_xwayland">雙 Xwayland 伺服器</string>
+    <string name="mode_dual_xwayland_hint">像 SteamOS 一樣在獨立的 X 伺服器上執行遊戲。如果遊戲在 Steam 後面開啟且一直無法取得焦點，請關閉此項。下次會話生效。</string>
     <string name="mode_branch">用戶端分支</string>
     <string name="mode_branch_deck">Steam Deck 公開測試版（Deck 模式需要）。</string>
     <string name="mode_branch_hint">下次會話生效。Steam 可能會自行更新一次。</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -289,6 +289,8 @@
     <string name="mode_deck_mode_hint">Steam Deck 介面和快速存取效能控制。下次工作階段生效。</string>
     <string name="mode_mangoapp">效能重疊層</string>
     <string name="mode_mangoapp_hint">如果 Deck 模式下遊戲崩潰或黑畫面，請關閉此項。下次工作階段生效。</string>
+    <string name="mode_dual_xwayland">雙 Xwayland 伺服器</string>
+    <string name="mode_dual_xwayland_hint">像 SteamOS 一樣在獨立的 X 伺服器上執行遊戲。如果遊戲在 Steam 後面開啟且一直無法取得焦點，請關閉此項。下次工作階段生效。</string>
     <string name="mode_branch">用戶端分支</string>
     <string name="mode_branch_deck">Steam Deck 公開測試版（Deck 模式所需）。</string>
     <string name="mode_branch_hint">下次工作階段生效。Steam 可能會自行更新一次。</string>

app/src/main/res/values/strings.xml

@@ -289,6 +289,8 @@
     <string name="mode_deck_mode_hint">Steam\'s Deck interface and Quick Access performance controls. Applies next session.</string>
     <string name="mode_mangoapp">Performance overlay</string>
     <string name="mode_mangoapp_hint">Turn off if games crash or go black in Deck mode. Applies next session.</string>
+    <string name="mode_dual_xwayland">Two Xwayland servers</string>
+    <string name="mode_dual_xwayland_hint">Runs games on their own X server, as SteamOS does. Turn off if a game opens behind Steam and never takes focus. Applies next session.</string>
     <string name="mode_branch">Client branch</string>
     <string name="mode_branch_deck">Steam Deck public beta (required by Deck mode).</string>
     <string name="mode_branch_hint">Applies next session. Steam may update itself once.</string>

tools/linuxfs/overlay/usr/local/bin/droiddeck-session

@@ -182,7 +182,8 @@ if [ -z "${BL_INSIDE:-}" ]; then
   # Resolution never reaches its display (docs/development/steam-display-scaling.md). The client's
   # overlay is also on another server than the game, so opening it no longer takes the game's X
   # keyboard focus, which made games like FlatOut shrink their window.
-  # BL_XWAYLAND_COUNT=1 in Download/droiddeck-env goes back to one.
+  # The app sends BL_XWAYLAND_COUNT from Steam settings (Two Xwayland servers); 1 goes back to one,
+  # and a line in Download/droiddeck-env still wins.
   if [ "$mode" = steam ] && [ "${BL_XWAYLAND_COUNT:-2}" -gt 1 ]; then
     args+=(--xwayland-count "${BL_XWAYLAND_COUNT:-2}")
     export STEAM_MULTIPLE_XWAYLANDS=1
@@ -515,6 +516,26 @@ case $mode in
         v=${v# }
         echo "${v:-$2}"
       }
+      # What gamescope had to choose from when focus moved, and again as late windows map:
+      # the apps and windows it counts as focusable (window, app id, pid; on the client's
+      # server, for every server), the one it picked, and the client's base-layer order; then
+      # each server's top-level windows with the app id they carry (STEAM_GAME) and their
+      # WM_STATE (droiddeck-xwindows). A game window that opens behind the client and never
+      # takes focus shows here as missing from the focusable list, or listed with no app id.
+      focus_snapshot() {
+        local d
+        echo "== focus state (after $1 at $2s):" \
+          $(xprop -root GAMESCOPE_FOCUSED_APP GAMESCOPE_FOCUSED_WINDOW GAMESCOPE_FOCUSABLE_APPS \
+            GAMESCOPE_FOCUSABLE_WINDOWS GAMESCOPECTRL_BASELAYER_APPID 2>/dev/null | sed 's/(CARDINAL)//' | tr '\n' ' ')
+        for d in $(bl_displays); do droiddeck-xwindows "$d" 2>/dev/null; done
+      }
+      focus_snapshots() {
+        local at=0 t
+        for t in 0 5 15 30; do
+          nap $((t - at)); at=$t
+          focus_snapshot "$1" "$t"
+        done
+      }
       tmode= app=
       xprop -spy -root STEAM_TOUCH_CLICK_MODE GAMESCOPE_FOCUSED_APP 2>/dev/null | while read -r line; do
         case $line in
@@ -529,6 +550,7 @@ case $mode in
             [ "$v" = "$app" ] && continue
             app=$v
             echo "== focused app: $app (touch mode ${tmode:-unset}) at $(date +%T)"
+            focus_snapshots "$app" &
             ;;
         esac
       done

tools/linuxfs/overlay/usr/local/bin/droiddeck-xwindows

@@ -0,0 +1,141 @@
+#!/usr/bin/python3
+# The top-level windows of one Xwayland server, one line each, for the session log: what gamescope
+# had to pick focus from. Each line has the window, whether it is mapped, override-redirect, its
+# geometry, the app id it carries (STEAM_GAME, which gamescope focuses by), its WM_STATE, pid and
+# class. Then whatever is set of what else gamescope weighs before it counts a mapped window as
+# focusable: an InputOnly class, _NET_WM_WINDOW_OPACITY (0 is never focusable), STEAM_OVERLAY,
+# GAMESCOPE_EXTERNAL_OVERLAY, STEAM_INPUT_FOCUS and _NET_WM_STATE (skip taskbar and pager without
+# fullscreen is left out of the focusable list the client reads). Windows that are neither mapped
+# nor tagged with an app id are left out - wine keeps many hidden ones. The rootfs has xprop but no xwininfo, so this speaks the X protocol itself.
+#
+#   droiddeck-xwindows :1
+import os
+import socket
+import struct
+import sys
+
+MAP_STATE = ("unmapped", "unviewable", "viewable")
+WM_STATES = {0: "Withdrawn", 1: "Normal", 3: "Iconic"}
+
+
+class X:
+    def __init__(self, display):
+        num = display.lstrip(":").split(".")[0]
+        self.s = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+        self.s.settimeout(2)
+        self.s.connect("/tmp/.X11-unix/X" + num)
+        self.s.sendall(struct.pack("<BxHHHHxx", 0x6C, 11, 0, 0, 0))
+        head = self.read(8)
+        if head[0] != 1:
+            raise OSError("X connection refused")
+        setup = self.read(struct.unpack_from("<H", head, 6)[0] * 4)
+        vendor_len = struct.unpack_from("<H", setup, 16)[0]
+        formats = setup[21]
+        self.root = struct.unpack_from("<I", setup, 32 + (vendor_len + 3) // 4 * 4 + formats * 8)[0]
+
+    def read(self, n):
+        buf = b""
+        while len(buf) < n:
+            chunk = self.s.recv(n - len(buf))
+            if not chunk:
+                raise OSError("X connection closed")
+            buf += chunk
+        return buf
+
+    def request(self, data):
+        """Send one request and return its reply, or None for an X error (a window that went)."""
+        self.s.sendall(data)
+        while True:
+            head = self.read(32)
+            if head[0] == 0:
+                return None
+            if head[0] == 1:
+                return head + self.read(struct.unpack_from("<I", head, 4)[0] * 4)
+            # an event; none are selected, but skip anything that arrives
+
+    def atom(self, name):
+        n = name.encode()
+        pad = (4 - len(n) % 4) % 4
+        r = self.request(struct.pack("<BBHHxx", 16, 1, 2 + (len(n) + pad) // 4, len(n)) + n + b"\0" * pad)
+        return struct.unpack_from("<I", r, 8)[0] if r else 0
+
+    def children(self, win):
+        r = self.request(struct.pack("<BxHI", 15, 2, win))
+        if not r:
+            return []
+        n = struct.unpack_from("<H", r, 16)[0]
+        return list(struct.unpack_from("<%dI" % n, r, 32))
+
+    def attributes(self, win):
+        r = self.request(struct.pack("<BxHI", 3, 2, win))
+        return (r[26], r[27], struct.unpack_from("<H", r, 12)[0]) if r else None
+
+    def atom_name(self, atom):
+        r = self.request(struct.pack("<BxHI", 17, 2, atom))
+        if not r:
+            return str(atom)
+        return r[32:32 + struct.unpack_from("<H", r, 8)[0]].decode(errors="replace")
+
+    def geometry(self, win):
+        r = self.request(struct.pack("<BxHI", 14, 2, win))
+        return struct.unpack_from("<hhHH", r, 12) if r else None
+
+    def prop(self, win, atom):
+        if not atom:
+            return None
+        r = self.request(struct.pack("<BBHIIIII", 20, 0, 6, win, atom, 0, 0, 64))
+        if not r or r[1] == 0:
+            return None
+        fmt, n = r[1], struct.unpack_from("<I", r, 16)[0]
+        data = r[32:32 + n * fmt // 8]
+        if fmt == 32:
+            return list(struct.unpack("<%dI" % n, data))
+        return data
+
+
+def main():
+    display = sys.argv[1] if len(sys.argv) > 1 else os.environ.get("DISPLAY", ":0")
+    try:
+        x = X(display)
+    except OSError as e:
+        print("==   %s: %s" % (display, e))
+        return
+    atoms = {name: x.atom(name) for name in (
+        "STEAM_GAME", "WM_STATE", "_NET_WM_PID", "WM_CLASS", "_NET_WM_WINDOW_OPACITY", "STEAM_OVERLAY",
+        "GAMESCOPE_EXTERNAL_OVERLAY", "STEAM_INPUT_FOCUS", "_NET_WM_STATE")}
+    for win in x.children(x.root):
+        attrs = x.attributes(win)
+        if not attrs:
+            continue
+        game = x.prop(win, atoms["STEAM_GAME"])
+        if attrs[0] != 2 and not game:
+            continue
+        geo = x.geometry(win)
+        state = x.prop(win, atoms["WM_STATE"])
+        pid = x.prop(win, atoms["_NET_WM_PID"])
+        cls = x.prop(win, atoms["WM_CLASS"])
+        extra = []
+        if attrs[2] == 2:
+            extra.append("InputOnly")
+        for label, name in (("opacity", "_NET_WM_WINDOW_OPACITY"), ("overlay", "STEAM_OVERLAY"),
+                            ("external-overlay", "GAMESCOPE_EXTERNAL_OVERLAY"),
+                            ("input-focus", "STEAM_INPUT_FOCUS")):
+            value = x.prop(win, atoms[name])
+            if value:
+                extra.append("%s 0x%x" % (label, value[0]) if label == "opacity" else "%s %d" % (label, value[0]))
+        net_state = x.prop(win, atoms["_NET_WM_STATE"])
+        if net_state:
+            extra.append("net-state " + ",".join(
+                x.atom_name(a).replace("_NET_WM_STATE_", "") for a in net_state))
+        print("==   %s window 0x%x: %s%s %s app %s state %s pid %s class %s" % (
+            display, win, MAP_STATE[attrs[0]] if attrs[0] < 3 else attrs[0],
+            " override-redirect" if attrs[1] else "",
+            "%dx%d+%d+%d" % (geo[2], geo[3], geo[0], geo[1]) if geo else "?",
+            game[0] if game else "-",
+            WM_STATES.get(state[0], state[0]) if state else "-",
+            pid[0] if pid else "-",
+            cls.split(b"\0")[-2].decode(errors="replace") if cls and b"\0" in cls else "-",
+        ) + "".join(" " + e for e in extra))
+
+
+main()