refactor: renombra el paquet a jail_launcher i l'app a «Jail Launcher»

jail_launcher/__init__.py

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+"""jail-launcher — lanzador de juegos jailgames."""
+
+__version__ = "1.0.5"

jail_launcher/__main__.py

@@ -0,0 +1,46 @@
+"""Punto de entrada: arranca la QApplication y la ventana principal."""
+
+from __future__ import annotations
+
+import sys
+
+from PySide6.QtGui import QIcon
+from PySide6.QtWidgets import QApplication, QMessageBox
+
+from .config import load_config
+from .paths import app_icon_path, config_file, data_root
+from .ui.main_window import MainWindow
+from .ui.theme import apply_theme
+
+
+def main() -> int:
+    app = QApplication(sys.argv)
+    app.setApplicationName("jail-launcher")
+    # No fixem applicationDisplayName: a Windows/X11 Qt l'afegeix al títol de la
+    # finestra ("títol - displayName") i duplicaria «Jail Launcher», que ja surt
+    # a WINDOW_TITLE. El nom de l'app al menú de macOS ve del bundle (Nuitka).
+    icon_path = app_icon_path()
+    if icon_path is not None:
+        app.setWindowIcon(QIcon(str(icon_path)))
+    # Tema del sistema para el posible diálogo de error previo a la ventana;
+    # MainWindow re-aplica el modo guardado (system/light/dark) y vigila los cambios.
+    apply_theme(app)
+
+    cfg_path = config_file()
+    try:
+        config = load_config(cfg_path)
+    except Exception as exc:  # noqa: BLE001 - mostrar cualquier error de carga al usuario
+        QMessageBox.critical(
+            None,
+            "Error carregant games.toml",
+            f"No s'ha pogut llegir la configuració a:\n{cfg_path}\n\n{exc}",
+        )
+        return 1
+
+    window = MainWindow(config, data_root(config.data_dir))
+    window.show()
+    return app.exec()
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())

jail_launcher/config.py

@@ -0,0 +1,83 @@
+"""Carga de games.toml → objetos Game con valores derivados."""
+
+from __future__ import annotations
+
+import tomllib
+from dataclasses import dataclass, field
+from pathlib import Path
+from urllib.parse import urlparse
+
+DEFAULT_VERSION_CMD = "git describe --tags --always"
+DEFAULT_ICON_REL = "release/icons/icon.png"
+
+
+@dataclass
+class Game:
+    id: str
+    name: str
+    clone_url: str
+    run_cmd: str
+    build_cmd: str = ""
+    version_cmd: str = DEFAULT_VERSION_CMD
+    info_url: str = ""
+    icon_rel: str = DEFAULT_ICON_REL
+    players: str = ""  # texto manual para el pill de jugadores (Gitea no lo tiene)
+    author: str = ""  # texto manual para el pill de autor
+
+    def __post_init__(self) -> None:
+        if not self.info_url:
+            self.info_url = derive_info_url(self.clone_url)
+
+
+@dataclass
+class Config:
+    data_dir: str = "jail_launcher_data"
+    games: list[Game] = field(default_factory=list)
+
+
+def derive_info_url(clone_url: str) -> str:
+    """De una URL de clone Gitea deriva la URL de la API REST del repo.
+
+    https://host/org/repo.git  ->  https://host/api/v1/repos/org/repo
+    """
+    parsed = urlparse(clone_url)
+    path = parsed.path.strip("/")
+    if path.endswith(".git"):
+        path = path[: -len(".git")]
+    parts = [p for p in path.split("/") if p]
+    if len(parts) < 2 or not parsed.scheme or not parsed.netloc:
+        return ""
+    owner, repo = parts[-2], parts[-1]
+    return f"{parsed.scheme}://{parsed.netloc}/api/v1/repos/{owner}/{repo}"
+
+
+def load_config(path: Path) -> Config:
+    with open(path, "rb") as fh:
+        raw = tomllib.load(fh)
+
+    games: list[Game] = []
+    for entry in raw.get("game", []):
+        missing = [k for k in ("id", "name", "clone_url", "run_cmd") if not entry.get(k)]
+        if missing:
+            raise ValueError(
+                f"Juego con campos obligatorios faltantes {missing}: {entry!r}"
+            )
+        games.append(
+            Game(
+                id=entry["id"],
+                name=entry["name"],
+                clone_url=entry["clone_url"],
+                run_cmd=entry["run_cmd"],
+                build_cmd=entry.get("build_cmd", ""),
+                version_cmd=entry.get("version_cmd") or DEFAULT_VERSION_CMD,
+                info_url=entry.get("info_url", ""),
+                icon_rel=entry.get("icon_rel") or DEFAULT_ICON_REL,
+                players=entry.get("players", ""),
+                author=entry.get("author", ""),
+            )
+        )
+
+    if not games:
+        raise ValueError("games.toml no define ningún [[game]]")
+
+    return Config(data_dir=raw.get("data_dir", "jail_launcher_data"), games=games)

jail_launcher/gitops.py

@@ -0,0 +1,352 @@
+"""Operaciones git + refresco de metadata desde Gitea.
+
+Todo lo que toca disco/red vive aquí; los workers (QThread) lo invocan en segundo plano.
+Las funciones aceptan un callback ``log(str)`` opcional para emitir progreso a la UI.
+"""
+
+from __future__ import annotations
+
+import datetime as _dt
+import json
+import os
+import shutil
+import stat
+import subprocess
+import sys
+import urllib.error
+import urllib.request
+from collections.abc import Callable
+from dataclasses import dataclass
+from pathlib import Path
+
+from .config import Game
+from .metadata import GameMeta, icon_path, load_meta, save_meta
+from .paths import game_dir, metadata_dir, repo_dir
+
+LogFn = Callable[[str], None]
+
+
+# --- Tolerancia a repos offline / inalcanzables ----------------------------
+# Dos mecanismos complementarios para que git no se cuelgue:
+#  1) low-speed abort: si una transferencia baja de `stall_limit` bytes/s durante
+#     `stall_time` segundos, git la aborta (transferencias que se estancan a media
+#     descarga).
+#  2) techo duro: timeout en subprocess.run que mata git pase lo que pase (cubre
+#     cuelgues de conexión TCP/DNS cuando el host está offline, donde aún no fluyen
+#     bytes y el low-speed no llega a dispararse).
+# Los valores son configurables desde settings.json (ver settings.Settings).
+@dataclass(frozen=True)
+class NetConfig:
+    fetch_timeout: float = 60  # techo para fetch / comprobar update (operación ligera)
+    clone_timeout: float = 900  # techo para clone (puede traer un repo grande)
+    http_timeout: float = 15  # techo para la API de Gitea (urllib)
+    stall_limit: int = 1000  # bytes/s por debajo de los cuales se considera estancado
+    stall_time: int = 20  # segundos por debajo del límite -> abortar
+
+
+DEFAULT_NET = NetConfig()
+
+# Windows: evita que cada `git` (aplicación de consola) abra una ventana negra
+# cuando el lanzador corre como GUI sin consola (el .exe compilado con Nuitka
+# --windows-console-mode=disable). En el resto de SO es 0 (sin efecto).
+_NO_WINDOW = subprocess.CREATE_NO_WINDOW if sys.platform == "win32" else 0
+
+
+def _noop(_: str) -> None:
+    pass
+
+
+def _force_rmtree(path: Path, log: LogFn = _noop) -> None:
+    """Esborra un arbre de fitxers, fins i tot amb fitxers de només-lectura.
+
+    A Windows els objectes de ``.git`` es creen com a només-lectura i fan que
+    ``shutil.rmtree`` falli amb ``PermissionError``; cal llevar el bit d'escriptura
+    i reintentar. A diferència de ``ignore_errors=True``, aquí els errors que no
+    puguem resoldre es registren al log en lloc d'empassar-se en silenci.
+    """
+    if not path.exists():
+        return
+
+    def handle(func: Callable, p: str, _exc: object) -> None:
+        try:
+            os.chmod(p, stat.S_IWRITE)
+            func(p)  # reintenta l'operació (unlink/rmdir) que havia fallat
+        except OSError as exc:
+            log(f"No s'ha pogut esborrar {p}: {exc}")
+
+    # Python 3.12 va renombrar el paràmetre `onerror` a `onexc`; suportem tots dos.
+    if sys.version_info >= (3, 12):
+        shutil.rmtree(path, onexc=handle)
+    else:
+        shutil.rmtree(path, onerror=handle)
+
+
+def _auth_args(token: str) -> list[str]:
+    """Args -c para autenticar git ante Gitea con un token, sin tocar .git/config."""
+    if not token:
+        return []
+    return ["-c", f"http.extraHeader=Authorization: token {token}"]
+
+
+def _net_args(net: NetConfig | None) -> list[str]:
+    """Args -c para abortar transferencias estancadas (solo afectan al transporte http)."""
+    if net is None:
+        return []
+    return [
+        "-c",
+        f"http.lowSpeedLimit={net.stall_limit}",
+        "-c",
+        f"http.lowSpeedTime={net.stall_time}",
+    ]
+
+
+def _run_git(
+    args: list[str],
+    cwd: Path | None,
+    log: LogFn,
+    token: str = "",
+    timeout: float | None = None,
+    net: NetConfig | None = None,
+) -> str:
+    """Ejecuta git capturando salida; lanza RuntimeError si falla o agota `timeout`.
+
+    Si se pasa `token`, inyecta la cabecera de autorización de Gitea (para clone/fetch
+    de repos privados) y la redacta en el log para no filtrarla. Si se pasa `net`
+    añade el low-speed abort; `timeout` impone un techo duro (mata git si se cuelga).
+    """
+    cmd = ["git", *_auth_args(token), *_net_args(net), *args]
+
+    def emit(line: str) -> None:
+        log(line.replace(token, "***") if token else line)
+
+    # Echo del comando: nunca mostramos los args -c con el token.
+    emit("$ " + " ".join(["git", *args]))
+    # GIT_TERMINAL_PROMPT=0: si falta auth en un repo privado, falla rápido
+    # en vez de colgarse esperando credenciales (no hay terminal en la GUI).
+    try:
+        proc = subprocess.run(
+            cmd,
+            cwd=str(cwd) if cwd else None,
+            capture_output=True,
+            text=True,
+            env={**os.environ, "GIT_TERMINAL_PROMPT": "0"},
+            timeout=timeout,
+            creationflags=_NO_WINDOW,
+        )
+    except subprocess.TimeoutExpired:
+        emit(
+            f"git {' '.join(args)} ha excedit el temps ({timeout:.0f}s): "
+            "el repositori no respon o no és accessible."
+        )
+        raise RuntimeError(
+            f"git {' '.join(args)} ha excedit el temps ({timeout:.0f}s)"
+        ) from None
+    if proc.stdout:
+        emit(proc.stdout.rstrip())
+    if proc.stderr:
+        emit(proc.stderr.rstrip())
+    if proc.returncode != 0:
+        raise RuntimeError(f"git {' '.join(args)} falló (código {proc.returncode})")
+    return proc.stdout.strip()
+
+
+def is_installed(root: Path, game: Game) -> bool:
+    """Un juego está instalado si su clone existe y tiene un .git."""
+    return (repo_dir(root, game.id) / ".git").exists()
+
+
+def check_update(
+    root: Path,
+    game: Game,
+    log: LogFn = _noop,
+    token: str = "",
+    net: NetConfig = DEFAULT_NET,
+) -> bool:
+    """Hace fetch y devuelve True si el clone local está por detrás del remoto.
+
+    No modifica el árbol de trabajo: solo cuenta los commits de origin/<rama> que no
+    están en HEAD. Devuelve False si el juego no está descargado.
+    """
+    repo = repo_dir(root, game.id)
+    if not (repo / ".git").exists():
+        return False
+    _run_git(
+        ["fetch", "origin", "--prune"],
+        repo,
+        log,
+        token=token,
+        timeout=net.fetch_timeout,
+        net=net,
+    )
+    target = (
+        load_meta(root, game.id).default_branch
+        or _detect_origin_head(repo, log)
+        or "HEAD"
+    )
+    try:
+        behind = _run_git(
+            ["rev-list", "--count", f"HEAD..origin/{target}"], repo, log
+        )
+    except RuntimeError:
+        return False
+    return int(behind or "0") > 0
+
+
+def delete_local(root: Path, game: Game, log: LogFn = _noop) -> None:
+    """Esborra la descàrrega local del joc (clon + metadata), sense tocar el TOML."""
+    target = game_dir(root, game.id)
+    if not target.exists():
+        log(f"{game.name}: no hi ha res a esborrar")
+        return
+    log(f"Esborrant la descàrrega local de {game.name}…")
+    _force_rmtree(target, log)
+
+
+def download(
+    root: Path,
+    game: Game,
+    log: LogFn = _noop,
+    token: str = "",
+    net: NetConfig = DEFAULT_NET,
+) -> GameMeta:
+    """Clona (si no existe) o trae el remoto forzado (descartando cambios locales).
+
+    Luego refresca la metadata (descripción Gitea + versión + icono) y la devuelve.
+    """
+    repo = repo_dir(root, game.id)
+    repo.parent.mkdir(parents=True, exist_ok=True)
+
+    branch = _fetch_default_branch(game, log, token, net)
+
+    if (repo / ".git").exists():
+        log(f"Actualitzant {game.name} (forçat, descartant canvis locals)…")
+        _run_git(
+            ["fetch", "origin", "--prune"],
+            repo,
+            log,
+            token=token,
+            timeout=net.fetch_timeout,
+            net=net,
+        )
+        target = branch or _detect_origin_head(repo, log) or "HEAD"
+        _run_git(["reset", "--hard", f"origin/{target}"], repo, log)
+        _run_git(["clean", "-fd"], repo, log)
+    else:
+        log(f"Clonant {game.name}…")
+        if repo.exists():  # carpeta a medias sin .git: limpiarla
+            _force_rmtree(repo, log)
+        _run_git(
+            ["clone", game.clone_url, str(repo)],
+            None,
+            log,
+            token=token,
+            timeout=net.clone_timeout,
+            net=net,
+        )
+
+    return refresh_metadata(root, game, branch, log, token, net)
+
+
+def refresh_metadata(
+    root: Path,
+    game: Game,
+    branch: str | None = None,
+    log: LogFn = _noop,
+    token: str = "",
+    net: NetConfig = DEFAULT_NET,
+) -> GameMeta:
+    """Reconstruye info.json + icon.png a partir del repo clonado y la API Gitea."""
+    repo = repo_dir(root, game.id)
+    meta = load_meta(root, game.id)
+
+    # Descripción + rama + topics + fecha de creación desde la API de Gitea (best-effort).
+    api = _fetch_gitea_info(game, log, token, net)
+    if api is not None:
+        meta.description = api.get("description", meta.description) or meta.description
+        meta.default_branch = api.get("default_branch", meta.default_branch)
+        meta.topics = list(api.get("topics") or [])
+        meta.created_at = api.get("created_at", meta.created_at) or meta.created_at
+    elif branch:
+        meta.default_branch = branch
+
+    # Versión vía version_cmd dentro del repo (best-effort).
+    meta.version = _read_version(game, repo, log) or meta.version
+
+    meta.updated_at = _dt.datetime.now(_dt.timezone.utc).isoformat(timespec="seconds")
+
+    # Copiar icono desde el repo a la cache.
+    _copy_icon(root, game, repo, log)
+
+    save_meta(root, game.id, meta)
+    return meta
+
+
+def _copy_icon(root: Path, game: Game, repo: Path, log: LogFn) -> None:
+    src = repo / game.icon_rel
+    if not src.exists():
+        log(f"(sense icona a {game.icon_rel})")
+        return
+    metadata_dir(root, game.id).mkdir(parents=True, exist_ok=True)
+    try:
+        shutil.copyfile(src, icon_path(root, game.id))
+        log(f"Icona actualitzada des de {game.icon_rel}")
+    except OSError as exc:
+        log(f"No s'ha pogut copiar la icona: {exc}")
+
+
+def _read_version(game: Game, repo: Path, log: LogFn) -> str:
+    if not game.version_cmd:
+        return ""
+    try:
+        proc = subprocess.run(
+            game.version_cmd,
+            cwd=str(repo),
+            shell=True,
+            capture_output=True,
+            text=True,
+            timeout=20,
+            creationflags=_NO_WINDOW,
+        )
+    except (OSError, subprocess.SubprocessError) as exc:
+        log(f"version_cmd ha fallat: {exc}")
+        return ""
+    out = (proc.stdout or "").strip()
+    return out.splitlines()[0] if out else ""
+
+
+def _fetch_gitea_info(
+    game: Game, log: LogFn, token: str = "", net: NetConfig = DEFAULT_NET
+) -> dict | None:
+    if not game.info_url:
+        return None
+    headers = {"Accept": "application/json"}
+    if token:
+        headers["Authorization"] = f"token {token}"
+    try:
+        req = urllib.request.Request(game.info_url, headers=headers)
+        with urllib.request.urlopen(req, timeout=net.http_timeout) as resp:
+            return json.loads(resp.read().decode("utf-8"))
+    except (urllib.error.URLError, OSError, json.JSONDecodeError, ValueError) as exc:
+        log(f"No s'ha pogut llegir la info de Gitea ({game.info_url}): {exc}")
+        return None
+
+
+def _fetch_default_branch(
+    game: Game, log: LogFn, token: str = "", net: NetConfig = DEFAULT_NET
+) -> str | None:
+    info = _fetch_gitea_info(game, log, token, net)
+    if info:
+        return info.get("default_branch")
+    return None
+
+
+def _detect_origin_head(repo: Path, log: LogFn) -> str | None:
+    """Fallback: deduce la rama por defecto desde origin/HEAD."""
+    try:
+        ref = _run_git(
+            ["symbolic-ref", "--short", "refs/remotes/origin/HEAD"], repo, log
+        )
+    except RuntimeError:
+        return None
+    # ref tiene forma "origin/main"
+    return ref.split("/", 1)[1] if "/" in ref else ref or None

jail_launcher/metadata.py

@@ -0,0 +1,62 @@
+"""Lectura/escritura de la metadata cacheada de cada juego (info.json + icon.png)."""
+
+from __future__ import annotations
+
+import json
+from dataclasses import asdict, dataclass, field
+from pathlib import Path
+
+from .paths import metadata_dir
+
+INFO_NAME = "info.json"
+ICON_NAME = "icon.png"
+
+
+@dataclass
+class GameMeta:
+    description: str = ""
+    version: str = ""
+    default_branch: str = "main"
+    updated_at: str = ""  # ISO-8601; lo rellena el worker tras un update
+    topics: list[str] = field(default_factory=list)  # tags de Gitea (controller, sdl3…)
+    created_at: str = ""  # ISO-8601 de creación del repo en Gitea (≈ lanzamiento)
+
+
+def info_path(root: Path, game_id: str) -> Path:
+    return metadata_dir(root, game_id) / INFO_NAME
+
+
+def icon_path(root: Path, game_id: str) -> Path:
+    return metadata_dir(root, game_id) / ICON_NAME
+
+
+def load_meta(root: Path, game_id: str) -> GameMeta:
+    """Lee info.json cacheado; devuelve GameMeta vacío si no existe o es ilegible."""
+    path = info_path(root, game_id)
+    if not path.exists():
+        return GameMeta()
+    try:
+        data = json.loads(path.read_text(encoding="utf-8"))
+    except (OSError, json.JSONDecodeError):
+        return GameMeta()
+    return GameMeta(
+        description=data.get("description", ""),
+        version=data.get("version", ""),
+        default_branch=data.get("default_branch", "main"),
+        updated_at=data.get("updated_at", ""),
+        topics=list(data.get("topics", [])),
+        created_at=data.get("created_at", ""),
+    )
+
+
+def save_meta(root: Path, game_id: str, meta: GameMeta) -> None:
+    path = info_path(root, game_id)
+    path.parent.mkdir(parents=True, exist_ok=True)
+    path.write_text(
+        json.dumps(asdict(meta), ensure_ascii=False, indent=2),
+        encoding="utf-8",
+    )
+
+
+def has_icon(root: Path, game_id: str) -> bool:
+    return icon_path(root, game_id).exists()

jail_launcher/paths.py

@@ -0,0 +1,128 @@
+"""Resolución de rutas: dónde está games.toml y dónde guardar los datos.
+
+Compilado con Nuitka, ``__compiled__`` existe. En modo ``--onefile`` la carpeta del
+binario real la expone ``NUITKA_ONEFILE_DIRECTORY`` (Nuitka 4.x); con versiones que usan
+``NUITKA_ONEFILE_BINARY`` tomamos su carpeta; si no, ``sys.executable`` (standalone).
+Ejecutando desde fuente usamos la raíz del proyecto (la carpeta que contiene ``jail_launcher``).
+"""
+
+from __future__ import annotations
+
+import os
+import shutil
+import sys
+from pathlib import Path
+
+CONFIG_NAME = "games.toml"
+
+# Carpeta de soporte en macOS cuando corremos como .app: ~/Library/Application Support/…
+APP_SUPPORT_VENDOR = "jailgames"
+APP_SUPPORT_APP = "jail-launcher"
+
+
+def is_compiled() -> bool:
+    """True si corremos como binario Nuitka (define ``__compiled__`` en cada módulo)."""
+    return "__compiled__" in globals()
+
+
+def base_dir() -> Path:
+    """Carpeta base junto a la que viven games.toml y jail_launcher_data."""
+    if is_compiled():
+        directory = os.environ.get("NUITKA_ONEFILE_DIRECTORY")
+        if directory:
+            return Path(directory).resolve()
+        binary = os.environ.get("NUITKA_ONEFILE_BINARY")
+        if binary:
+            return Path(binary).resolve().parent
+        return Path(sys.executable).resolve().parent
+    # Desde fuente: raíz del proyecto = padre del paquete jail_launcher/
+    return Path(__file__).resolve().parent.parent
+
+
+def macos_app_bundle() -> Path | None:
+    """Ruta del .app si corremos como bundle de macOS (``…/jail-launcher.app``); si no, None.
+
+    En un app bundle el ejecutable vive en ``…/jail-launcher.app/Contents/MacOS/jail-launcher``,
+    dentro de un árbol no escribible al instalarse en ``/Applications``. Detectarlo nos
+    deja redirigir datos y settings a ``~/Library/Application Support``.
+    """
+    if not is_compiled() or sys.platform != "darwin":
+        return None
+    exe = Path(sys.executable).resolve()
+    for parent in exe.parents:
+        if parent.suffix == ".app":
+            return parent
+    return None
+
+
+def app_icon_path() -> Path | None:
+    """Ruta al PNG del icono para la UI (icono de ventana/Dock y diálogo «Quant a»).
+
+    En .app vive en ``Contents/Resources/icon.png``; desde fuente, en ``assets/icon.png``.
+    Devuelve None si no se encuentra.
+    """
+    bundle = macos_app_bundle()
+    if bundle is not None:
+        candidate = bundle / "Contents" / "Resources" / "icon.png"
+    else:
+        candidate = base_dir() / "icon" / "icon.png"
+    return candidate if candidate.exists() else None
+
+
+def support_dir() -> Path:
+    """Carpeta de soporte escribible en macOS (.app); se crea si no existe."""
+    root = (
+        Path.home()
+        / "Library"
+        / "Application Support"
+        / APP_SUPPORT_VENDOR
+        / APP_SUPPORT_APP
+    )
+    root.mkdir(parents=True, exist_ok=True)
+    return root
+
+
+def writable_base() -> Path:
+    """Base donde escribir datos/settings: Application Support si .app, si no base_dir()."""
+    if macos_app_bundle() is not None:
+        return support_dir()
+    return base_dir()
+
+
+def config_file() -> Path:
+    """Ruta a games.toml.
+
+    En .app vive en Application Support (editable y persistente); se siembra la primera vez
+    desde ``Contents/Resources/games.toml`` del bundle. Si no, junto al ejecutable / raíz.
+    """
+    bundle = macos_app_bundle()
+    if bundle is not None:
+        target = writable_base() / CONFIG_NAME
+        if not target.exists():
+            seed = bundle / "Contents" / "Resources" / CONFIG_NAME
+            if seed.exists():
+                shutil.copy2(seed, target)
+        return target
+    return base_dir() / CONFIG_NAME
+
+
+def data_root(data_dir: str = "jail_launcher_data") -> Path:
+    """Carpeta raíz de datos; se crea si no existe."""
+    root = writable_base() / data_dir
+    root.mkdir(parents=True, exist_ok=True)
+    return root
+
+
+def game_dir(root: Path, game_id: str) -> Path:
+    """Carpeta de un juego: <root>/<id>/."""
+    return root / game_id
+
+
+def repo_dir(root: Path, game_id: str) -> Path:
+    """Carpeta del clone git: <root>/<id>/repo/."""
+    return game_dir(root, game_id) / "repo"
+
+
+def metadata_dir(root: Path, game_id: str) -> Path:
+    """Carpeta de metadata cacheada: <root>/<id>/metadata/."""
+    return game_dir(root, game_id) / "metadata"

jail_launcher/runner.py

@@ -0,0 +1,127 @@
+"""Compilar y ejecutar un juego vía subprocess."""
+
+from __future__ import annotations
+
+import os
+import subprocess
+import sys
+from collections.abc import Callable
+from pathlib import Path
+
+from .config import Game
+from .paths import repo_dir
+
+LogFn = Callable[[str], None]
+
+# Windows: evita que la compilación/ejecución (shell + make/gcc, apps de consola)
+# abra ventanas negras cuando el lanzador corre como GUI sin consola (el .exe).
+# En el resto de SO es 0 (sin efecto).
+_NO_WINDOW = subprocess.CREATE_NO_WINDOW if sys.platform == "win32" else 0
+
+# Directorios habituales de herramientas de línea de comandos (Homebrew, MacPorts…).
+# Una .app de macOS lanzada desde Finder/Dock NO hereda el PATH del shell de login,
+# así que herramientas como cmake, instaladas con Homebrew en /opt/homebrew/bin
+# (Apple Silicon) o /usr/local/bin (Intel), quedan fuera del PATH y `make` no las
+# encuentra. Las añadimos explícitamente. En Linux estos paths no existen y se
+# filtran solos.
+_EXTRA_PATH_DIRS = (
+    "/opt/homebrew/bin",
+    "/opt/homebrew/sbin",
+    "/usr/local/bin",
+    "/usr/local/sbin",
+    "/opt/local/bin",
+)
+
+# Prefijos de Homebrew/MacPorts. Una .app lanzada desde Finder/Dock tampoco
+# hereda CPATH/LIBRARY_PATH/PKG_CONFIG_PATH del shell, así que el compilador no
+# encuentra las cabeceras (p.ej. <SDL3/SDL_filesystem.h>) ni las librerías
+# instaladas con `brew`. Añadimos sus include/lib explícitamente. En Linux estos
+# paths no existen y se filtran solos.
+_EXTRA_PREFIXES = (
+    "/opt/homebrew",
+    "/usr/local",
+    "/opt/local",
+)
+
+
+def _noop(_: str) -> None:
+    pass
+
+
+def _launch_env() -> dict[str, str]:
+    """Entorno para los subprocesos con un PATH que incluye los directorios de
+    herramientas habituales aunque la app se lance desde Finder/Dock."""
+    env = os.environ.copy()
+    parts = env.get("PATH", "").split(os.pathsep)
+    parts = [p for p in parts if p]
+    for d in _EXTRA_PATH_DIRS:
+        if d not in parts and os.path.isdir(d):
+            parts.append(d)
+    env["PATH"] = os.pathsep.join(parts)
+
+    # Rutas de cabeceras (CPATH), librerías (LIBRARY_PATH) y pkg-config para que
+    # el compilador encuentre dependencias instaladas con brew/MacPorts.
+    includes, libs, pkgconfigs = [], [], []
+    for prefix in _EXTRA_PREFIXES:
+        inc, lib = f"{prefix}/include", f"{prefix}/lib"
+        if os.path.isdir(inc):
+            includes.append(inc)
+        if os.path.isdir(lib):
+            libs.append(lib)
+            pkgconfigs.append(f"{lib}/pkgconfig")
+    _prepend(env, "CPATH", includes)
+    _prepend(env, "LIBRARY_PATH", libs)
+    _prepend(env, "PKG_CONFIG_PATH", pkgconfigs)
+    return env
+
+
+def _prepend(env: dict[str, str], var: str, dirs: list[str]) -> None:
+    """Antepone dirs al valor de env[var] (lista separada por os.pathsep), sin
+    duplicar entradas ya presentes."""
+    existing = [p for p in env.get(var, "").split(os.pathsep) if p]
+    new = [d for d in dirs if d not in existing]
+    if new:
+        env[var] = os.pathsep.join(new + existing)
+
+
+def _stream(cmd: str, cwd: Path, log: LogFn) -> int:
+    """Ejecuta un comando de shell en cwd, retransmitiendo stdout/err línea a línea."""
+    log(f"$ {cmd}  (cwd={cwd})")
+    proc = subprocess.Popen(
+        cmd,
+        cwd=str(cwd),
+        shell=True,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT,
+        text=True,
+        bufsize=1,
+        env=_launch_env(),
+        creationflags=_NO_WINDOW,
+    )
+    assert proc.stdout is not None
+    for line in proc.stdout:
+        log(line.rstrip())
+    return proc.wait()
+
+
+def run_game(root: Path, game: Game, log: LogFn = _noop) -> int:
+    """Compila (si hay build_cmd) y ejecuta el juego. Devuelve el código de salida.
+
+    Si build_cmd falla, aborta sin ejecutar. Lanza FileNotFoundError si el repo
+    no está clonado.
+    """
+    repo = repo_dir(root, game.id)
+    if not (repo / ".git").exists():
+        raise FileNotFoundError(
+            f"{game.name} no està descarregat. Prem Descarrega primer."
+        )
+
+    if game.build_cmd.strip():
+        log(f"Compilant {game.name}…")
+        code = _stream(game.build_cmd, repo, log)
+        if code != 0:
+            log(f"La compilació ha fallat (codi {code}). No s'executa.")
+            return code
+
+    log(f"Executant {game.name}…")
+    return _stream(game.run_cmd, repo, log)

jail_launcher/settings.py

@@ -0,0 +1,89 @@
+"""Preferencias persistentes en settings.json, junto a los datos de la app."""
+
+from __future__ import annotations
+
+import json
+from dataclasses import asdict, dataclass, field
+from pathlib import Path
+
+from .paths import writable_base
+
+SETTINGS_NAME = "settings.json"
+
+_THEMES = ("system", "light", "dark")
+
+
+def _valid_theme(value) -> str:
+    """Normaliza el tema a uno válido; cae a 'system' si es desconocido."""
+    return value if value in _THEMES else "system"
+
+
+_CONSOLE_MODES = ("show", "auto", "hide")
+
+
+def _valid_console_mode(value) -> str:
+    """Normaliza el modo de consola; cae a 'auto' si es desconocido."""
+    return value if value in _CONSOLE_MODES else "auto"
+
+
+_SORT_ORDERS = ("default", "name")
+
+
+def _valid_sort_order(value) -> str:
+    """Normaliza el orden de la lista; cae a 'default' (orden del TOML) si es desconocido."""
+    return value if value in _SORT_ORDERS else "default"
+
+
+@dataclass
+class Settings:
+    hide_not_downloaded: bool = False
+    updates_pending: list[str] = field(default_factory=list)  # ids con update pendiente
+    gitea_token: str = ""  # token personal de Gitea para repos privados (no se versiona)
+    check_updates_on_start: bool = False  # comprobar updates automáticamente al iniciar
+    theme: str = "system"  # tema de la UI: "system" | "light" | "dark"
+    console_mode: str = "auto"  # consola de log: "show" | "auto" | "hide"
+    sort_order: str = "default"  # orden de la lista: "default" (TOML) | "name"
+    # Tolerancia a repos offline/inalcanzables (segundos, salvo stall_limit en bytes/s).
+    git_fetch_timeout: int = 60  # techo para fetch / comprobar update
+    git_clone_timeout: int = 900  # techo para clone (repo grande)
+    http_timeout: int = 15  # techo para la API de Gitea
+    git_stall_limit: int = 1000  # bytes/s: por debajo se considera transferencia estancada
+    git_stall_time: int = 20  # segundos estancado antes de abortar
+
+
+def settings_path() -> Path:
+    return writable_base() / SETTINGS_NAME
+
+
+def load_settings() -> Settings:
+    path = settings_path()
+    if not path.exists():
+        return Settings()
+    try:
+        data = json.loads(path.read_text(encoding="utf-8"))
+    except (OSError, json.JSONDecodeError):
+        return Settings()
+    return Settings(
+        hide_not_downloaded=bool(data.get("hide_not_downloaded", False)),
+        updates_pending=list(data.get("updates_pending", [])),
+        gitea_token=str(data.get("gitea_token", "")),
+        check_updates_on_start=bool(data.get("check_updates_on_start", False)),
+        theme=_valid_theme(data.get("theme", "system")),
+        console_mode=_valid_console_mode(data.get("console_mode", "auto")),
+        sort_order=_valid_sort_order(data.get("sort_order", "default")),
+        git_fetch_timeout=int(data.get("git_fetch_timeout", 60)),
+        git_clone_timeout=int(data.get("git_clone_timeout", 900)),
+        http_timeout=int(data.get("http_timeout", 15)),
+        git_stall_limit=int(data.get("git_stall_limit", 1000)),
+        git_stall_time=int(data.get("git_stall_time", 20)),
+    )
+
+
+def save_settings(settings: Settings) -> None:
+    try:
+        settings_path().write_text(
+            json.dumps(asdict(settings), ensure_ascii=False, indent=2),
+            encoding="utf-8",
+        )
+    except OSError:
+        pass

jail_launcher/ui/__init__.py

@@ -0,0 +1 @@
+"""Componentes de interfaz de jail-launcher."""

jail_launcher/ui/flow_layout.py

@@ -0,0 +1,71 @@
+"""Layout que coloca los widgets en fila y salta de línea cuando no caben.
+
+Port mínimo del ejemplo FlowLayout de Qt: se usa para los 'pills' de cada fila,
+que pueden ser muchos (topics) y deben envolver sin desbordar horizontalmente.
+"""
+
+from __future__ import annotations
+
+from PySide6.QtCore import QMargins, QPoint, QRect, QSize, Qt
+from PySide6.QtWidgets import QLayout, QLayoutItem, QSizePolicy, QWidget
+
+
+class FlowLayout(QLayout):
+    def __init__(self, parent: QWidget | None = None, spacing: int = 6) -> None:
+        super().__init__(parent)
+        self._items: list[QLayoutItem] = []
+        self._spacing = spacing
+        self.setContentsMargins(0, 0, 0, 0)
+
+    def addItem(self, item: QLayoutItem) -> None:  # noqa: N802 - API Qt
+        self._items.append(item)
+
+    def count(self) -> int:
+        return len(self._items)
+
+    def itemAt(self, index: int) -> QLayoutItem | None:  # noqa: N802 - API Qt
+        return self._items[index] if 0 <= index < len(self._items) else None
+
+    def takeAt(self, index: int) -> QLayoutItem | None:  # noqa: N802 - API Qt
+        return self._items.pop(index) if 0 <= index < len(self._items) else None
+
+    def expandingDirections(self) -> Qt.Orientations:  # noqa: N802 - API Qt
+        return Qt.Orientation(0)
+
+    def hasHeightForWidth(self) -> bool:  # noqa: N802 - API Qt
+        return True
+
+    def heightForWidth(self, width: int) -> int:  # noqa: N802 - API Qt
+        return self._layout(QRect(0, 0, width, 0), apply=False)
+
+    def setGeometry(self, rect: QRect) -> None:  # noqa: N802 - API Qt
+        super().setGeometry(rect)
+        self._layout(rect, apply=True)
+
+    def sizeHint(self) -> QSize:  # noqa: N802 - API Qt
+        return self.minimumSize()
+
+    def minimumSize(self) -> QSize:  # noqa: N802 - API Qt
+        size = QSize()
+        for item in self._items:
+            size = size.expandedTo(item.minimumSize())
+        m: QMargins = self.contentsMargins()
+        return size + QSize(m.left() + m.right(), m.top() + m.bottom())
+
+    def _layout(self, rect: QRect, apply: bool) -> int:
+        m: QMargins = self.contentsMargins()
+        eff = rect.adjusted(m.left(), m.top(), -m.right(), -m.bottom())
+        x, y, line_h = eff.x(), eff.y(), 0
+        for item in self._items:
+            hint = item.sizeHint()
+            next_x = x + hint.width() + self._spacing
+            if next_x - self._spacing > eff.right() and line_h > 0:
+                x = eff.x()
+                y = y + line_h + self._spacing
+                next_x = x + hint.width() + self._spacing
+                line_h = 0
+            if apply:
+                item.setGeometry(QRect(QPoint(x, y), hint))
+            x = next_x
+            line_h = max(line_h, hint.height())
+        return y + line_h - rect.y() + m.bottom()

jail_launcher/ui/game_row.py

@@ -0,0 +1,288 @@
+"""Fila de la llista: la fila sencera actua com un botó, amb estil de targeta.
+
+Un clic fa l'acció principal segons l'estat:
+  - no descarregat  → descarrega
+  - update pendent  → actualitza
+  - descarregat i al dia → juga
+A la dreta un indicador de text (passiu) mostra què farà el clic. Sota el títol i la
+descripció es pinten 'pills' amb la metadata: estat, versió, data, jugadors, autor i
+els topics de Gitea. L'esborrat es gestiona per fora; aquest widget només l'exposa.
+"""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+from PySide6.QtCore import QRectF, Qt, Signal
+from PySide6.QtGui import QPainter, QPainterPath, QPalette, QPixmap
+from PySide6.QtWidgets import (
+    QApplication,
+    QFrame,
+    QHBoxLayout,
+    QLabel,
+    QSizePolicy,
+    QVBoxLayout,
+    QWidget,
+)
+
+from ..config import Game
+from ..metadata import GameMeta, icon_path, load_meta
+from ..paths import repo_dir
+from .flow_layout import FlowLayout
+
+ICON_SIZE = 64
+ICON_RADIUS = 14
+
+# Colors d'estat (text + fons translúcid del pill).
+_STATUS_COLORS = {
+    "none": ("#cc8855", "rgba(204, 136, 85, 0.18)"),    # no descarregat
+    "update": ("#e0a030", "rgba(224, 160, 48, 0.20)"),  # actualització disponible
+    "ok": ("#6fae6f", "rgba(111, 174, 111, 0.18)"),     # descarregat i al dia
+}
+_NEUTRAL_BG = "rgba(127, 127, 127, 0.18)"  # pills informatius (segueix clar/fosc)
+
+
+def _rounded_pixmap(src: QPixmap, size: int, radius: int) -> QPixmap:
+    """Escala omplint el quadrat, retalla al centre i arrodoneix les cantonades."""
+    scaled = src.scaled(
+        size, size, Qt.KeepAspectRatioByExpanding, Qt.SmoothTransformation
+    )
+    x = max(0, (scaled.width() - size) // 2)
+    y = max(0, (scaled.height() - size) // 2)
+    cropped = scaled.copy(x, y, size, size)
+
+    out = QPixmap(size, size)
+    out.fill(Qt.transparent)
+    painter = QPainter(out)
+    painter.setRenderHint(QPainter.Antialiasing)
+    path = QPainterPath()
+    path.addRoundedRect(QRectF(0, 0, size, size), radius, radius)
+    painter.setClipPath(path)
+    painter.drawPixmap(0, 0, cropped)
+    painter.end()
+    return out
+
+
+def _palette_text_color() -> str:
+    """Color de text actual de la paleta, com a rgb() concret (no 'palette(text)',
+    que Qt cacheja als stylesheets i no es refresca en canviar de tema)."""
+    c = QApplication.palette().color(QPalette.WindowText)
+    return f"rgb({c.red()}, {c.green()}, {c.blue()})"
+
+
+def _make_pill(text: str, fg: str | None = None, bg: str = _NEUTRAL_BG,
+               bold: bool = False) -> QLabel:
+    """Una 'pill' arrodonida amb fons translúcid; passiva al ratolí.
+
+    Sense `fg` explícit s'usa el color de text de la paleta vigent (pills neutres).
+    """
+    pill = QLabel(text)
+    pill.setAttribute(Qt.WA_TransparentForMouseEvents)
+    weight = "600" if bold else "normal"
+    pill.setStyleSheet(
+        f"QLabel {{ background: {bg}; color: {fg or _palette_text_color()}; "
+        f"border-radius: 9px; padding: 2px 8px; font-size: 11px; "
+        f"font-weight: {weight}; }}"
+    )
+    return pill
+
+
+class GameRow(QFrame):
+    """Fila clicable. Emet `activated` en clic i `delete_requested` per a l'esborrat."""
+
+    activated = Signal(object)         # Game — clic sobre la fila (acció principal)
+    delete_requested = Signal(object)  # Game — esborrar la descàrrega local
+
+    def __init__(self, game: Game, root: Path, parent=None) -> None:
+        super().__init__(parent)
+        self.game = game
+        self.root = root
+        self._update_available = False
+        self._busy = False
+        self._delete_mode = False
+        self.setObjectName("gameRow")
+        self.setFrameShape(QFrame.StyledPanel)
+        self.setCursor(Qt.PointingHandCursor)
+        self.setStyleSheet(
+            "QFrame#gameRow:hover { background: rgba(127, 127, 127, 0.15); }"
+        )
+
+        layout = QHBoxLayout(self)
+        layout.setContentsMargins(10, 8, 10, 8)
+        layout.setSpacing(12)
+
+        # --- Icona del joc (arrodonida) ---
+        self.icon_label = QLabel()
+        self.icon_label.setFixedSize(ICON_SIZE, ICON_SIZE)
+        self.icon_label.setAlignment(Qt.AlignCenter)
+        layout.addWidget(self.icon_label, alignment=Qt.AlignTop)
+
+        # --- Text: títol + descripció + pills (centrat verticalment) ---
+        text_box = QVBoxLayout()
+        text_box.setSpacing(4)
+
+        self.name_label = QLabel(game.name)
+        self.name_label.setStyleSheet("font-weight: bold; font-size: 18px;")
+        self.desc_label = QLabel("")
+        self.desc_label.setWordWrap(True)
+        self.desc_label.setForegroundRole(QPalette.PlaceholderText)
+
+        # Contenidor de pills amb FlowLayout (envolten si no caben).
+        self.pills_box = QWidget()
+        self.pills_layout = FlowLayout(self.pills_box, spacing=6)
+        self.pills_box.setAttribute(Qt.WA_TransparentForMouseEvents)
+        # Sense fons propi: que no pinti cap banda darrere dels pills.
+        self.pills_box.setAttribute(Qt.WA_NoSystemBackground, True)
+        self.pills_box.setAutoFillBackground(False)
+        sp = QSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred)
+        sp.setHeightForWidth(True)
+        self.pills_box.setSizePolicy(sp)
+
+        text_box.addStretch(1)
+        text_box.addWidget(self.name_label)
+        text_box.addWidget(self.desc_label)
+        text_box.addWidget(self.pills_box)
+        text_box.addStretch(1)
+        layout.addLayout(text_box, stretch=1)
+
+        # --- Indicador d'acció (passiu, text): què farà el clic ---
+        self.action_label = QLabel()
+        self.action_label.setAlignment(Qt.AlignRight | Qt.AlignVCenter)
+        self.action_label.setMinimumWidth(96)
+        layout.addWidget(self.action_label)
+
+        for child in (self.name_label, self.desc_label, self.action_label):
+            child.setAttribute(Qt.WA_TransparentForMouseEvents)
+
+        self.refresh()
+
+    # ------------------------------------------------------------- clic fila
+
+    def mouseReleaseEvent(self, event) -> None:
+        if (
+            event.button() == Qt.LeftButton
+            and not self._busy
+            and self.rect().contains(event.position().toPoint())
+        ):
+            self.activated.emit(self.game)
+        super().mouseReleaseEvent(event)
+
+    # ----------------------------------------------------------------- estat
+
+    def is_installed(self) -> bool:
+        return (repo_dir(self.root, self.game.id) / ".git").exists()
+
+    def primary_action_is_download(self) -> bool:
+        """True si el clic ha de descarregar/actualitzar; False si ha de jugar."""
+        return (not self.is_installed()) or self._update_available
+
+    def set_update_available(self, available: bool) -> None:
+        """Marca/desmarca la fila com a 'té actualització pendent'."""
+        self._update_available = available
+        self.refresh()
+
+    def set_delete_mode(self, on: bool) -> None:
+        """Activa/desactiva el mode esborrar (canvia el text d'acció a 'Esborra')."""
+        self._delete_mode = on
+        self.refresh()
+
+    def refresh(self) -> None:
+        """Recarrega icona, descripció, pills i estat des de la cache local."""
+        meta = load_meta(self.root, self.game.id)
+        self._set_icon()
+        self.desc_label.setText(meta.description or "(sense descripció encara)")
+        self._rebuild_pills(meta)
+        self._set_action(meta)
+
+    def _set_icon(self) -> None:
+        path = icon_path(self.root, self.game.id)
+        pixmap = QPixmap(str(path)) if path.exists() else QPixmap()
+        if pixmap.isNull():
+            self.icon_label.setText("🎮")
+            self.icon_label.setStyleSheet("font-size: 32px;")
+        else:
+            self.icon_label.setStyleSheet("")
+            self.icon_label.setPixmap(_rounded_pixmap(pixmap, ICON_SIZE, ICON_RADIUS))
+
+    # ----------------------------------------------------------------- pills
+
+    def _clear_pills(self) -> None:
+        while self.pills_layout.count():
+            item = self.pills_layout.takeAt(0)
+            w = item.widget() if item else None
+            if w is not None:
+                w.deleteLater()
+
+    def _rebuild_pills(self, meta: GameMeta) -> None:
+        self._clear_pills()
+        installed = self.is_installed()
+
+        # 1) Estat (pill amb color).
+        if not installed:
+            fg, bg = _STATUS_COLORS["none"]
+            self.pills_layout.addWidget(_make_pill("No descarregat", fg, bg, bold=True))
+        elif self._update_available:
+            fg, bg = _STATUS_COLORS["update"]
+            self.pills_layout.addWidget(
+                _make_pill("⬆ Actualització", fg, bg, bold=True)
+            )
+        else:
+            fg, bg = _STATUS_COLORS["ok"]
+            self.pills_layout.addWidget(_make_pill("✓ Descarregat", fg, bg, bold=True))
+
+        # 2) Versió (només si està descarregat i la coneixem).
+        if installed and meta.version:
+            self.pills_layout.addWidget(_make_pill(meta.version))
+
+        # 3) Data de llançament (creació del repo a Gitea).
+        released = _year_month_day(meta.created_at)
+        if released:
+            self.pills_layout.addWidget(_make_pill(released))
+
+        # 4) Jugadors i autor (manuals, de games.toml).
+        if self.game.players:
+            self.pills_layout.addWidget(_make_pill(self.game.players))
+        if self.game.author:
+            self.pills_layout.addWidget(_make_pill(self.game.author))
+
+        # 5) Topics de Gitea.
+        for topic in meta.topics:
+            self.pills_layout.addWidget(_make_pill(topic))
+
+    # --------------------------------------------------------------- acció
+
+    def _set_action(self, meta: GameMeta) -> None:
+        installed = self.is_installed()
+        if self._delete_mode:
+            if installed:
+                self._set_action_text("Esborra", "#d9534f")
+            else:
+                self.action_label.clear()  # no es pot esborrar el que no està
+        elif not installed:
+            self._set_action_text("Descarrega", "#4a90d9")
+        elif self._update_available:
+            self._set_action_text("Actualitza", "#e0a030")
+        else:
+            self._set_action_text("Juga", "#6fae6f")
+
+    def _set_action_text(self, text: str, color: str) -> None:
+        self.action_label.setText(text)
+        self.action_label.setStyleSheet(
+            f"color: {color}; font-weight: bold; font-size: 13px;"
+        )
+
+    # --------------------------------------------------------------- busy UI
+
+    def set_busy(self, busy: bool, message: str = "") -> None:
+        self._busy = busy
+        if busy and message:
+            self._clear_pills()
+            self.pills_layout.addWidget(_make_pill(message, "#d0d060"))
+
+
+def _year_month_day(iso: str) -> str:
+    """De un ISO-8601 (2026-04-05T20:26:09+02:00) treu '2026-04-05'; '' si no és vàlid."""
+    if not iso or len(iso) < 10:
+        return ""
+    date = iso[:10]
+    return date if date[4] == "-" and date[7] == "-" else ""

jail_launcher/ui/main_window.py

@@ -0,0 +1,628 @@
+"""Ventana principal: lista de juegos con scroll + panel de log."""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+from PySide6.QtCore import QEasingCurve, QPropertyAnimation, QThreadPool, Qt, QTimer
+from PySide6.QtGui import QAction, QActionGroup, QPixmap
+from PySide6.QtWidgets import (
+    QApplication,
+    QDialog,
+    QDialogButtonBox,
+    QHBoxLayout,
+    QInputDialog,
+    QLabel,
+    QLineEdit,
+    QMainWindow,
+    QMessageBox,
+    QPlainTextEdit,
+    QProgressBar,
+    QScrollArea,
+    QVBoxLayout,
+    QWidget,
+)
+
+from .. import __version__, gitops
+from ..config import Config, Game
+from ..paths import app_icon_path
+from ..settings import load_settings, save_settings
+from ..workers import CheckUpdatesWorker, DownloadWorker, RunWorker
+from . import theme
+from .game_row import GameRow
+
+APP_NAME = "Jail Launcher"
+WINDOW_TITLE = f"© 2026 {APP_NAME} — JailDesigner"
+
+CONSOLE_HEIGHT = 150   # alçada de la consola desplegada (px)
+CONSOLE_ANIM_MS = 220  # durada de l'animació de desplegar/replegar
+CONSOLE_IDLE_MS = 3000  # marge sense activitat abans de replegar en mode auto
+
+CONSOLE_SHOW = "show"
+CONSOLE_AUTO = "auto"
+CONSOLE_HIDE = "hide"
+
+SORT_DEFAULT = "default"  # ordre del games.toml
+SORT_NAME = "name"        # alfabètic pel nom
+
+
+class MainWindow(QMainWindow):
+    def __init__(self, config: Config, root: Path, parent=None) -> None:
+        super().__init__(parent)
+        self.config = config
+        self.root = root
+        self.settings = load_settings()
+        self.pool = QThreadPool.globalInstance()
+        self.rows: dict[str, GameRow] = {}
+        self._delete_mode = False
+        # Mantener referencias a los workers en vuelo: si no, Python los recolecta
+        # (junto a su objeto de señales) antes de que la señal en cola `finished`
+        # llegue al hilo principal, y la UI nunca se refresca.
+        self._workers: set = set()
+
+        self.setWindowTitle(WINDOW_TITLE)
+        self.resize(720, 640)
+
+        # Aplica el tema guardado (system/light/dark) i vigila els canvis del SO
+        # només quan estem en mode 'system'.
+        app = QApplication.instance()
+        if app is not None:
+            theme.apply_theme(app, self.settings.theme)
+            theme.watch_system_theme(app, lambda: self.settings.theme == theme.THEME_SYSTEM)
+
+        self._build_menu()
+
+        central = QWidget()
+        root_layout = QVBoxLayout(central)
+        root_layout.setContentsMargins(0, 0, 0, 0)
+        root_layout.setSpacing(0)
+
+        # --- Lista de juegos con scroll ---
+        list_container = QWidget()
+        self.list_layout = QVBoxLayout(list_container)
+        self.list_layout.setContentsMargins(6, 6, 6, 6)
+        self.list_layout.setSpacing(6)
+        for game in config.games:
+            row = GameRow(game, root)
+            row.activated.connect(self._on_activate)
+            row.delete_requested.connect(self._on_delete)
+            self.rows[game.id] = row
+        self._populate_list()
+
+        scroll = QScrollArea()
+        scroll.setWidgetResizable(True)
+        scroll.setWidget(list_container)
+        root_layout.addWidget(scroll, stretch=1)
+
+        # --- Panel de log (consola colapsable amb alçada animada) ---
+        self.log_view = QPlainTextEdit()
+        self.log_view.setReadOnly(True)
+        self.log_view.setMaximumBlockCount(5000)
+        self.log_view.setStyleSheet("font-family: monospace; font-size: 11px;")
+        self.log_view.setMinimumHeight(0)
+        root_layout.addWidget(self.log_view)
+
+        self.setCentralWidget(central)
+        self._setup_console()
+
+        # Barra de progrés (cantonada de la status bar) per a la comprovació d'updates;
+        # amagada fins que arrenca una comprovació.
+        self.progress = QProgressBar()
+        self.progress.setMaximumWidth(220)
+        self.progress.setFormat("Comprovant %v/%m")
+        self.progress.hide()
+        self.statusBar().addPermanentWidget(self.progress)
+
+        # Estado persistido: marcas de update + filtro de ocultar no descargados.
+        for game_id in self.settings.updates_pending:
+            if game_id in self.rows:
+                self.rows[game_id].set_update_available(True)
+        self._apply_filter()
+
+        # Comprobación automática de updates al iniciar (si está activada). Se difiere
+        # con un timer 0 para que la ventana se muestre antes de lanzar el worker.
+        if self.settings.check_updates_on_start:
+            QTimer.singleShot(0, self._check_updates)
+
+    def _net_config(self) -> gitops.NetConfig:
+        """Construye la config de red/timeouts a partir de las preferencias guardadas."""
+        s = self.settings
+        return gitops.NetConfig(
+            fetch_timeout=s.git_fetch_timeout,
+            clone_timeout=s.git_clone_timeout,
+            http_timeout=s.http_timeout,
+            stall_limit=s.git_stall_limit,
+            stall_time=s.git_stall_time,
+        )
+
+    # --------------------------------------------------------------- consola
+
+    def _setup_console(self) -> None:
+        """Prepara la animació d'alçada i l'estat inicial segons console_mode."""
+        self._console_open = False
+        self._console_anim_start = 0  # alçada de consola en arrencar l'animació
+        self._console_win_start = 0   # alçada de finestra en arrencar l'animació
+        self._console_grow_window = True
+        self._console_anim = QPropertyAnimation(self.log_view, b"maximumHeight", self)
+        self._console_anim.setDuration(CONSOLE_ANIM_MS)
+        self._console_anim.setEasingCurve(QEasingCurve.InOutCubic)
+        self._console_anim.valueChanged.connect(self._on_console_anim_value)
+        self._console_anim.finished.connect(self._on_console_anim_done)
+
+        # Timer que replega la consola en mode auto després d'un marge sense activitat.
+        self._console_idle_timer = QTimer(self)
+        self._console_idle_timer.setSingleShot(True)
+        self._console_idle_timer.setInterval(CONSOLE_IDLE_MS)
+        self._console_idle_timer.timeout.connect(self._on_console_idle)
+
+        # Estat inicial sense animació: oberta només en mode "show".
+        self.log_view.setMaximumHeight(0)
+        self.log_view.hide()
+        if self.settings.console_mode == CONSOLE_SHOW:
+            self._set_console_open(True, animated=False)
+
+    def _set_console_open(self, open_: bool, animated: bool = True) -> None:
+        """Desplega/replega la consola fent créixer o encongir la finestra (perquè la
+        consola guanyi espai en comptes de menjar-ne a la llista)."""
+        if open_ == self._console_open:
+            return
+        self._console_open = open_
+        start = self.log_view.maximumHeight()
+        target = CONSOLE_HEIGHT if open_ else 0
+        # Si la finestra està maximitzada/pantalla completa no la podem fer créixer:
+        # caiem al comportament d'encongir la llista.
+        grow = not (self.isMaximized() or self.isFullScreen())
+        if open_:
+            self.log_view.show()  # visible abans d'animar l'obertura
+        self._console_anim.stop()
+        if not animated:
+            if grow:
+                self.resize(self.width(), self.height() + (target - start))
+            self.log_view.setMinimumHeight(target)
+            self.log_view.setMaximumHeight(target)
+            if not open_:
+                self.log_view.hide()
+            return
+        self._console_grow_window = grow
+        self._console_anim_start = start
+        self._console_win_start = self.height()
+        self._console_anim.setStartValue(start)
+        self._console_anim.setEndValue(target)
+        self._console_anim.start()
+
+    def _on_console_anim_value(self, value: int) -> None:
+        """A cada pas: fixem l'alçada de la consola a `value` (min=max, perquè agafi
+        exactament aquest espai i no el cedeixi a la llista) i fem créixer/encongir la
+        finestra el mateix, així la llista (finestra − consola) es manté constant."""
+        self.log_view.setMinimumHeight(value)
+        if self._console_grow_window:
+            delta = value - self._console_anim_start
+            self.resize(self.width(), self._console_win_start + delta)
+
+    def _on_console_anim_done(self) -> None:
+        if not self._console_open:
+            self.log_view.hide()  # replegada del tot: treure-la del layout
+
+    def _on_console_idle(self) -> None:
+        if self.settings.console_mode == CONSOLE_AUTO and not self._workers:
+            self._set_console_open(False)
+
+    def _console_activity_started(self) -> None:
+        """Hi ha activitat (worker o log): en mode auto, desplega i atura el timer."""
+        if self.settings.console_mode == CONSOLE_AUTO:
+            self._console_idle_timer.stop()
+            self._set_console_open(True)
+
+    def _console_activity_maybe_ended(self) -> None:
+        """Si no queden workers actius, en mode auto arrenca el compte enrere per replegar."""
+        if self.settings.console_mode == CONSOLE_AUTO and not self._workers:
+            self._console_idle_timer.start()
+
+    # --------------------------------------------------------------- menú
+
+    def _build_menu(self) -> None:
+        menu = self.menuBar().addMenu("Opcions")
+
+        self.action_hide = QAction("Amaga els jocs no descarregats", self, checkable=True)
+        self.action_hide.setChecked(self.settings.hide_not_downloaded)
+        self.action_hide.toggled.connect(self._on_toggle_hide)
+        menu.addAction(self.action_hide)
+
+        self.action_check = QAction("Comprova actualitzacions", self)
+        self.action_check.triggered.connect(self._check_updates)
+        menu.addAction(self.action_check)
+
+        self.action_check_on_start = QAction(
+            "Comprova actualitzacions a l'inici", self, checkable=True
+        )
+        self.action_check_on_start.setChecked(self.settings.check_updates_on_start)
+        self.action_check_on_start.toggled.connect(self._on_toggle_check_on_start)
+        menu.addAction(self.action_check_on_start)
+
+        menu.addSeparator()
+        self._build_sort_menu(menu)
+        self._build_theme_menu(menu)
+        self._build_console_menu(menu)
+
+        menu.addSeparator()
+        self.action_delete = QAction("Esborra un joc", self, checkable=True)
+        self.action_delete.toggled.connect(self._set_delete_mode)
+        menu.addAction(self.action_delete)
+
+        menu.addSeparator()
+        self.action_token = QAction("Configura el token de Gitea…", self)
+        self.action_token.triggered.connect(self._configure_token)
+        menu.addAction(self.action_token)
+
+        self._build_help_menu()
+
+    def _build_help_menu(self) -> None:
+        """Menú Ajuda amb el «Quant a…». A macOS, AboutRole el mou al menú de l'app."""
+        help_menu = self.menuBar().addMenu("Ajuda")
+        self.action_about = QAction(f"Quant a {APP_NAME}…", self)
+        self.action_about.setMenuRole(QAction.MenuRole.AboutRole)
+        self.action_about.triggered.connect(self._show_about)
+        help_menu.addAction(self.action_about)
+
+    def _show_about(self) -> None:
+        """Diàleg «Quant a» personalitzat: icona, nom gran i tot centrat."""
+        dlg = QDialog(self)
+        dlg.setWindowTitle(f"Quant a {APP_NAME}")
+        dlg.setModal(True)
+
+        lay = QVBoxLayout(dlg)
+        lay.setContentsMargins(40, 30, 40, 24)
+        lay.setSpacing(0)
+
+        # Logo (si el trobem); s'escala suau des del PNG gran.
+        icon_path = app_icon_path()
+        if icon_path is not None:
+            pix = QPixmap(str(icon_path))
+            if not pix.isNull():
+                logo = QLabel(alignment=Qt.AlignCenter)
+                logo.setPixmap(
+                    pix.scaled(
+                        96, 96, Qt.KeepAspectRatio, Qt.SmoothTransformation
+                    )
+                )
+                lay.addWidget(logo)
+                lay.addSpacing(16)
+
+        # Nom de l'app: gran, en negreta i amb el morat de la marca.
+        name = QLabel(APP_NAME, alignment=Qt.AlignCenter)
+        nf = name.font()
+        nf.setPointSize(nf.pointSize() + 13)
+        nf.setBold(True)
+        name.setFont(nf)
+        name.setStyleSheet("color: #7c4dff;")
+        lay.addWidget(name)
+        lay.addSpacing(2)
+
+        # Versió: petita i atenuada, just davall del nom (estil macOS).
+        ver = QLabel(f"v{__version__}", alignment=Qt.AlignCenter)
+        vf = ver.font()
+        vf.setPointSize(vf.pointSize() - 1)
+        ver.setFont(vf)
+        ver.setStyleSheet("color: #8a8a8a;")
+        lay.addWidget(ver)
+        lay.addSpacing(18)
+
+        # Lema discret.
+        tag = QLabel("Clona, compila i juga · jailgames", alignment=Qt.AlignCenter)
+        tag.setStyleSheet("color: #8a8a8a;")
+        lay.addWidget(tag)
+        lay.addSpacing(14)
+
+        copy = QLabel("© 2026 JailDesigner", alignment=Qt.AlignCenter)
+        cf = copy.font()
+        cf.setPointSize(cf.pointSize() - 1)
+        copy.setFont(cf)
+        lay.addWidget(copy)
+        lay.addSpacing(24)
+
+        # Botó OK centrat.
+        buttons = QDialogButtonBox(QDialogButtonBox.Ok)
+        buttons.button(QDialogButtonBox.Ok).setText("D'acord")
+        buttons.accepted.connect(dlg.accept)
+        row = QHBoxLayout()
+        row.addStretch(1)
+        row.addWidget(buttons)
+        row.addStretch(1)
+        lay.addLayout(row)
+
+        dlg.exec()
+
+    def _build_sort_menu(self, parent_menu) -> None:
+        """Submenú Ordena amb dues opcions exclusives: Per defecte / Per nom."""
+        submenu = parent_menu.addMenu("Ordena")
+        group = QActionGroup(self)
+        group.setExclusive(True)
+        options = [
+            ("Per defecte", SORT_DEFAULT),
+            ("Per nom", SORT_NAME),
+        ]
+        for label, mode in options:
+            action = QAction(label, self, checkable=True)
+            action.setChecked(self.settings.sort_order == mode)
+            action.triggered.connect(lambda _checked, m=mode: self._on_sort_selected(m))
+            group.addAction(action)
+            submenu.addAction(action)
+
+    def _on_sort_selected(self, mode: str) -> None:
+        self.settings.sort_order = mode
+        save_settings(self.settings)
+        self._populate_list()
+
+    def _build_theme_menu(self, parent_menu) -> None:
+        """Submenú Tema amb tres opcions exclusives: Sistema / Clar / Fosc."""
+        submenu = parent_menu.addMenu("Tema")
+        group = QActionGroup(self)
+        group.setExclusive(True)
+        options = [
+            ("Sistema", theme.THEME_SYSTEM),
+            ("Clar", theme.THEME_LIGHT),
+            ("Fosc", theme.THEME_DARK),
+        ]
+        for label, mode in options:
+            action = QAction(label, self, checkable=True)
+            action.setChecked(self.settings.theme == mode)
+            action.triggered.connect(lambda _checked, m=mode: self._on_theme_selected(m))
+            group.addAction(action)
+            submenu.addAction(action)
+
+    def _build_console_menu(self, parent_menu) -> None:
+        """Submenú Consola amb tres estats exclusius: Mostra / Auto-amaga / Amaga."""
+        submenu = parent_menu.addMenu("Consola")
+        group = QActionGroup(self)
+        group.setExclusive(True)
+        options = [
+            ("Mostra", CONSOLE_SHOW),
+            ("Auto-amaga", CONSOLE_AUTO),
+            ("Amaga", CONSOLE_HIDE),
+        ]
+        for label, mode in options:
+            action = QAction(label, self, checkable=True)
+            action.setChecked(self.settings.console_mode == mode)
+            action.triggered.connect(
+                lambda _checked, m=mode: self._on_console_mode_selected(m)
+            )
+            group.addAction(action)
+            submenu.addAction(action)
+
+    def _on_console_mode_selected(self, mode: str) -> None:
+        self.settings.console_mode = mode
+        save_settings(self.settings)
+        self._console_idle_timer.stop()
+        if mode == CONSOLE_SHOW:
+            self._set_console_open(True)
+        elif mode == CONSOLE_HIDE:
+            self._set_console_open(False)
+        else:  # auto: oberta si hi ha activitat, si no replegada
+            self._set_console_open(bool(self._workers))
+
+    def _on_theme_selected(self, mode: str) -> None:
+        self.settings.theme = mode
+        save_settings(self.settings)
+        app = QApplication.instance()
+        if app is not None:
+            theme.apply_theme(app, mode)
+        # Reconstruir las filas: los pills usan `palette(...)` en su stylesheet, que
+        # Qt cachea; recrearlos los re-resuelve contra la paleta ya aplicada.
+        for row in self.rows.values():
+            row.refresh()
+
+    def _configure_token(self) -> None:
+        token, ok = QInputDialog.getText(
+            self,
+            "Token de Gitea",
+            "Token personal d'accés (per a repos privats).\n"
+            "Es guarda local a settings.json (no es versiona).",
+            QLineEdit.Password,
+            self.settings.gitea_token,
+        )
+        if not ok:
+            return
+        self.settings.gitea_token = token.strip()
+        save_settings(self.settings)
+        estat = "configurat" if self.settings.gitea_token else "esborrat"
+        self._log(f"Token de Gitea {estat}.")
+
+    def _on_toggle_hide(self, checked: bool) -> None:
+        self.settings.hide_not_downloaded = checked
+        save_settings(self.settings)
+        self._apply_filter()
+
+    def _on_toggle_check_on_start(self, checked: bool) -> None:
+        self.settings.check_updates_on_start = checked
+        save_settings(self.settings)
+
+    def _ordered_games(self) -> list[Game]:
+        """Jocs en l'ordre triat: alfabètic pel nom, o l'ordre original del games.toml."""
+        if self.settings.sort_order == SORT_NAME:
+            return sorted(self.config.games, key=lambda g: g.name.casefold())
+        return list(self.config.games)
+
+    def _populate_list(self) -> None:
+        """(Re)col·loca les files al layout segons l'ordre triat, sense destruir-les."""
+        while self.list_layout.count():
+            item = self.list_layout.takeAt(0)
+            w = item.widget() if item else None
+            if w is not None:
+                w.setParent(None)  # treu del layout però conserva la fila (viu a self.rows)
+        for game in self._ordered_games():
+            self.list_layout.addWidget(self.rows[game.id])
+        self.list_layout.addStretch(1)
+
+    def _apply_filter(self) -> None:
+        hide = self.action_hide.isChecked()
+        for row in self.rows.values():
+            row.setVisible(not (hide and not row.is_installed()))
+
+    # ------------------------------------------------------ comprobar updates
+
+    def _check_updates(self) -> None:
+        self.action_check.setEnabled(False)
+        self._log("=== Comprovant actualitzacions ===")
+        worker = CheckUpdatesWorker(
+            self.root, self.config.games, self.settings.gitea_token, self._net_config()
+        )
+        worker.signals.log.connect(self._log)
+        worker.signals.result.connect(self._mark_update)
+        worker.signals.progress.connect(self._check_progress)
+        worker.signals.finished.connect(self._check_done)
+        worker.signals.error.connect(self._check_error)
+        self._track(worker)
+        self.pool.start(worker)
+
+    def _check_progress(self, done: int, total: int) -> None:
+        if total <= 0:
+            return  # res descarregat a comprovar: no mostrem barra
+        self.progress.setMaximum(total)
+        self.progress.setValue(done)
+        self.progress.show()
+
+    def _mark_update(self, game_id: str, has_update: bool) -> None:
+        row = self.rows.get(game_id)
+        if row is not None:
+            row.set_update_available(has_update)
+        pending = set(self.settings.updates_pending)
+        pending.add(game_id) if has_update else pending.discard(game_id)
+        self.settings.updates_pending = sorted(pending)
+        save_settings(self.settings)
+
+    def _check_done(self, _payload) -> None:
+        self.action_check.setEnabled(True)
+        self.progress.hide()
+        self._log("=== Comprovació d'actualitzacions acabada ===")
+
+    def _check_error(self, msg: str) -> None:
+        self.action_check.setEnabled(True)
+        self.progress.hide()
+        self._log(f"!!! Error comprovant actualitzacions: {msg}")
+
+    # --------------------------------------------------------------- helpers
+
+    def _log(self, text: str) -> None:
+        # Autoscroll intel·ligent: només seguim el final si la barra ja hi estava.
+        # Si l'usuari ha pujat a llegir una línia anterior, no l'arrosseguem avall.
+        bar = self.log_view.verticalScrollBar()
+        at_bottom = bar.value() >= bar.maximum() - 4
+        self.log_view.appendPlainText(text)
+        if at_bottom:
+            bar.setValue(bar.maximum())
+        # En mode auto, qualsevol línia desplega la consola; si no hi ha cap worker
+        # actiu (p.ex. un missatge solt), arrenca el compte enrere per replegar-la.
+        if self.settings.console_mode == CONSOLE_AUTO:
+            self._console_activity_started()
+            if not self._workers:
+                self._console_idle_timer.start()
+
+    def _track(self, worker) -> None:
+        """Retiene el worker hasta que emite finished/error, evitando que el GC
+        se lleve su objeto de señales antes de entregar la señal en cola."""
+        worker.setAutoDelete(False)
+        self._workers.add(worker)
+        self._console_activity_started()
+
+        def _done(*_):
+            self._workers.discard(worker)
+            self._console_activity_maybe_ended()
+
+        worker.signals.finished.connect(_done)
+        worker.signals.error.connect(_done)
+
+    # --------------------------------------------------------------- accions
+
+    def _set_delete_mode(self, on: bool) -> None:
+        self._delete_mode = on
+        for row in self.rows.values():
+            row.set_delete_mode(on)
+
+    def _on_activate(self, game: Game) -> None:
+        """Clic sobre la fila. En mode esborrar elimina; si no, descarrega/actualitza o juga."""
+        row = self.rows[game.id]
+        if self._delete_mode:
+            if not row.is_installed():
+                return  # res a esborrar; segueix en mode esborrar
+            if self._on_delete(game):
+                self.action_delete.setChecked(False)  # surt del mode esborrar
+            return
+        if row.primary_action_is_download():
+            self._on_download(game)
+        else:
+            self._on_run(game)
+
+    def _on_download(self, game: Game) -> None:
+        row = self.rows[game.id]
+        row.set_busy(True, "Descarregant…")
+        self._log(f"=== Descàrrega: {game.name} ===")
+
+        worker = DownloadWorker(
+            self.root, game, self.settings.gitea_token, self._net_config()
+        )
+        worker.signals.log.connect(self._log)
+        worker.signals.finished.connect(lambda _meta, g=game: self._download_done(g))
+        worker.signals.error.connect(lambda msg, g=game: self._op_error(g, msg))
+        self._track(worker)
+        self.pool.start(worker)
+
+    def _download_done(self, game: Game) -> None:
+        self._log(f"=== {game.name}: descàrrega completada ===")
+        row = self.rows[game.id]
+        row.set_busy(False)
+        row.set_update_available(False)  # recién traído del remoto → al día
+        if game.id in self.settings.updates_pending:
+            self.settings.updates_pending = [
+                g for g in self.settings.updates_pending if g != game.id
+            ]
+            save_settings(self.settings)
+        self._apply_filter()  # un juego antes no instalado puede aparecer ahora
+
+    def _on_run(self, game: Game) -> None:
+        row = self.rows[game.id]
+        row.set_busy(True, "Executant…")
+        self._log(f"=== Juga: {game.name} ===")
+
+        worker = RunWorker(self.root, game)
+        worker.signals.log.connect(self._log)
+        worker.signals.finished.connect(lambda code, g=game: self._run_done(g, code))
+        worker.signals.error.connect(lambda msg, g=game: self._op_error(g, msg))
+        self._track(worker)
+        self.pool.start(worker)
+
+    def _run_done(self, game: Game, code: int) -> None:
+        self._log(f"=== {game.name}: ha finalitzat amb codi {code} ===")
+        row = self.rows[game.id]
+        row.set_busy(False)
+        row.refresh()
+
+    def _op_error(self, game: Game, msg: str) -> None:
+        self._log(f"!!! {game.name}: ERROR: {msg}")
+        row = self.rows[game.id]
+        row.set_busy(False)
+        row.refresh()
+
+    def _on_delete(self, game: Game) -> bool:
+        """Esborra la descàrrega local (amb confirmació). Retorna True si s'ha esborrat."""
+        resp = QMessageBox.question(
+            self,
+            "Esborrar descàrrega",
+            f"Segur que vols esborrar la descàrrega local de «{game.name}»?\n\n"
+            "S'eliminarà el clon i les dades en local (no es treu de la llista).",
+            QMessageBox.Yes | QMessageBox.No,
+            QMessageBox.No,
+        )
+        if resp != QMessageBox.Yes:
+            return False
+        self._log(f"=== Esborra: {game.name} ===")
+        gitops.delete_local(self.root, game, log=self._log)
+        if game.id in self.settings.updates_pending:
+            self.settings.updates_pending = [
+                g for g in self.settings.updates_pending if g != game.id
+            ]
+            save_settings(self.settings)
+        row = self.rows[game.id]
+        row.set_update_available(False)
+        row.refresh()
+        self._apply_filter()  # si està actiu "amaga no descarregats", ara s'amaga
+        return True

jail_launcher/ui/theme.py

@@ -0,0 +1,157 @@
+"""Tema claro/oscuro siguiendo el esquema de color del sistema.
+
+Usa el estilo Fusion (consistente entre plataformas) y aplica una paleta clara u
+oscura según ``QStyleHints.colorScheme()``. Los widgets que no fuerzan colores
+propios (consola de log, fondos) siguen automáticamente esta paleta.
+"""
+
+from __future__ import annotations
+
+import subprocess
+from collections.abc import Callable
+
+from PySide6.QtCore import Qt
+from PySide6.QtGui import QColor, QPalette
+from PySide6.QtWidgets import QApplication
+
+# Modos de tema seleccionables por el usuario.
+THEME_SYSTEM = "system"
+THEME_LIGHT = "light"
+THEME_DARK = "dark"
+THEME_MODES = (THEME_SYSTEM, THEME_LIGHT, THEME_DARK)
+
+
+def _portal_is_dark() -> bool | None:
+    """Consulta el portal XDG (org.freedesktop.appearance color-scheme).
+
+    Devuelve True (1=dark), False (2=light) o None (0=sin preferencia / no disponible).
+    Es la fuente más fiable en Linux cuando Qt no detecta el esquema.
+    """
+    try:
+        out = subprocess.run(
+            [
+                "gdbus", "call", "--session",
+                "--dest", "org.freedesktop.portal.Desktop",
+                "--object-path", "/org/freedesktop/portal/desktop",
+                "--method", "org.freedesktop.portal.Settings.Read",
+                "org.freedesktop.appearance", "color-scheme",
+            ],
+            capture_output=True, text=True, timeout=2,
+        )
+    except (OSError, subprocess.SubprocessError):
+        return None
+    if out.returncode != 0:
+        return None
+    if "uint32 1" in out.stdout:
+        return True
+    if "uint32 2" in out.stdout:
+        return False
+    return None
+
+
+def _gsettings_is_dark() -> bool | None:
+    """Respaldo: gsettings color-scheme de GNOME ('prefer-dark')."""
+    try:
+        out = subprocess.run(
+            ["gsettings", "get", "org.gnome.desktop.interface", "color-scheme"],
+            capture_output=True, text=True, timeout=2,
+        )
+    except (OSError, subprocess.SubprocessError):
+        return None
+    if out.returncode != 0:
+        return None
+    return "dark" in out.stdout.lower()
+
+
+def system_is_dark(app: QApplication) -> bool:
+    """True si el sistema está en modo oscuro.
+
+    Prioriza el aviso de Qt; si Qt dice claro (o no soporta la API), consulta el
+    portal XDG y gsettings, que en sesiones xcb suelen ser más fiables que Qt.
+    """
+    hints = app.styleHints()
+    if hasattr(hints, "colorScheme"):
+        try:
+            if hints.colorScheme() == Qt.ColorScheme.Dark:
+                return True
+        except Exception:  # noqa: BLE001 - APIs viejas/raras: caer al fallback
+            pass
+    for probe in (_portal_is_dark, _gsettings_is_dark):
+        val = probe()
+        if val is not None:
+            return val
+    return app.palette().color(QPalette.Window).lightness() < 128
+
+
+def _dark_palette() -> QPalette:
+    p = QPalette()
+    window = QColor(0x2b, 0x2b, 0x2b)
+    base = QColor(0x1e, 0x1e, 0x1e)
+    alt = QColor(0x35, 0x35, 0x35)
+    text = QColor(0xdc, 0xdc, 0xdc)
+    disabled = QColor(0x7f, 0x7f, 0x7f)
+    highlight = QColor(0x2a, 0x82, 0xda)
+
+    p.setColor(QPalette.Window, window)
+    p.setColor(QPalette.WindowText, text)
+    p.setColor(QPalette.Base, base)
+    p.setColor(QPalette.AlternateBase, alt)
+    p.setColor(QPalette.ToolTipBase, window)
+    p.setColor(QPalette.ToolTipText, text)
+    p.setColor(QPalette.Text, text)
+    p.setColor(QPalette.Button, alt)
+    p.setColor(QPalette.ButtonText, text)
+    p.setColor(QPalette.BrightText, Qt.red)
+    p.setColor(QPalette.Link, highlight)
+    p.setColor(QPalette.Highlight, highlight)
+    p.setColor(QPalette.HighlightedText, Qt.black)
+    p.setColor(QPalette.PlaceholderText, disabled)
+    for role in (QPalette.WindowText, QPalette.Text, QPalette.ButtonText):
+        p.setColor(QPalette.Disabled, role, disabled)
+    return p
+
+
+def resolve_is_dark(app: QApplication, mode: str) -> bool:
+    """Decide si pintar oscuro según el modo elegido (system/light/dark)."""
+    if mode == THEME_DARK:
+        return True
+    if mode == THEME_LIGHT:
+        return False
+    return system_is_dark(app)  # THEME_SYSTEM (o valor desconocido)
+
+
+def _repolish_all(app: QApplication) -> None:
+    """Re-poliza todos los widgets para que adopten la nueva paleta en caliente.
+
+    ``setPalette`` por sí solo no repinta los widgets ya creados: los que tienen
+    stylesheet (pills) no re-resuelven ``palette(...)`` y algunos fondos base (la
+    consola de log) no se redibujan. unpolish→polish→update fuerza ese refresco.
+    """
+    for widget in app.allWidgets():
+        style = widget.style()
+        style.unpolish(widget)
+        style.polish(widget)
+        widget.update()
+
+
+def apply_theme(app: QApplication, mode: str = THEME_SYSTEM) -> None:
+    """Aplica estilo Fusion + paleta clara/oscura según el modo elegido."""
+    app.setStyle("Fusion")
+    if resolve_is_dark(app, mode):
+        app.setPalette(_dark_palette())
+    else:
+        app.setPalette(app.style().standardPalette())
+    _repolish_all(app)
+
+
+def watch_system_theme(app: QApplication, should_follow: Callable[[], bool]) -> None:
+    """Re-aplica el tema al cambiar el esquema del sistema, solo si seguimos al sistema.
+
+    ``should_follow`` se consulta en cada cambio: devuelve True cuando el modo activo
+    es 'system' (si el usuario ha forzado claro/oscuro, ignoramos el cambio del SO).
+    """
+    hints = app.styleHints()
+    if hasattr(hints, "colorSchemeChanged"):
+        hints.colorSchemeChanged.connect(
+            lambda _scheme: apply_theme(app, THEME_SYSTEM) if should_follow() else None
+        )

jail_launcher/workers.py

@@ -0,0 +1,121 @@
+"""Workers QThread para no congelar la GUI durante git/build/run.
+
+Cada worker es un QRunnable que ejecuta una operación bloqueante (download o run) y
+emite señales hacia la UI a través de un objeto de señales propio.
+"""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+from PySide6.QtCore import QObject, QRunnable, Signal
+
+from . import gitops, runner
+from .config import Game
+from .metadata import GameMeta
+
+
+class _Signals(QObject):
+    log = Signal(str)            # línea de log
+    finished = Signal(object)    # payload según el worker (GameMeta o int exit code)
+    error = Signal(str)          # mensaje de error
+    result = Signal(str, bool)   # (game_id, has_update) — CheckUpdatesWorker
+    progress = Signal(int, int)  # (done, total) — CheckUpdatesWorker
+
+
+class DownloadWorker(QRunnable):
+    """Clona o actualiza (forzado) y refresca la metadata de un juego."""
+
+    def __init__(
+        self,
+        root: Path,
+        game: Game,
+        token: str = "",
+        net: gitops.NetConfig = gitops.DEFAULT_NET,
+    ) -> None:
+        super().__init__()
+        self.root = root
+        self.game = game
+        self.token = token
+        self.net = net
+        self.signals = _Signals()
+
+    def run(self) -> None:  # noqa: D401 - API de QRunnable
+        try:
+            meta: GameMeta = gitops.download(
+                self.root,
+                self.game,
+                log=self.signals.log.emit,
+                token=self.token,
+                net=self.net,
+            )
+        except Exception as exc:  # noqa: BLE001 - reportar a la UI
+            self.signals.error.emit(str(exc))
+            return
+        self.signals.finished.emit(meta)
+
+
+class RunWorker(QRunnable):
+    """Compila (si procede) y ejecuta el juego."""
+
+    def __init__(self, root: Path, game: Game) -> None:
+        super().__init__()
+        self.root = root
+        self.game = game
+        self.signals = _Signals()
+
+    def run(self) -> None:  # noqa: D401 - API de QRunnable
+        try:
+            code = runner.run_game(self.root, self.game, log=self.signals.log.emit)
+        except Exception as exc:  # noqa: BLE001 - reportar a la UI
+            self.signals.error.emit(str(exc))
+            return
+        self.signals.finished.emit(code)
+
+
+class CheckUpdatesWorker(QRunnable):
+    """Comprueba actualizaciones pendientes de los juegos ya descargados.
+
+    Emite `result(game_id, has_update)` por cada juego instalado y `finished` al final.
+    """
+
+    def __init__(
+        self,
+        root: Path,
+        games: list[Game],
+        token: str = "",
+        net: gitops.NetConfig = gitops.DEFAULT_NET,
+    ) -> None:
+        super().__init__()
+        self.root = root
+        self.games = games
+        self.token = token
+        self.net = net
+        self.signals = _Signals()
+
+    def run(self) -> None:  # noqa: D401 - API de QRunnable
+        try:
+            # Total = juegos descargados (los no instalados no se comprueban). Emitimos
+            # progress por cada juego *intentado*, éxito o error, para que la barra
+            # llegue siempre al final aunque algún repo dé timeout.
+            installed = [g for g in self.games if gitops.is_installed(self.root, g)]
+            total = len(installed)
+            self.signals.progress.emit(0, total)
+            for done, game in enumerate(installed, start=1):
+                try:
+                    has_update = gitops.check_update(
+                        self.root,
+                        game,
+                        log=self.signals.log.emit,
+                        token=self.token,
+                        net=self.net,
+                    )
+                except Exception as exc:  # noqa: BLE001 - no abortar el resto
+                    self.signals.log.emit(f"check {game.id}: {exc}")
+                else:
+                    self.signals.result.emit(game.id, has_update)
+                self.signals.progress.emit(done, total)
+        except Exception as exc:  # noqa: BLE001 - reportar a la UI
+            self.signals.error.emit(str(exc))
+            return
+        self.signals.finished.emit(None)