better error messagge on connection

Author: buzzqw

gtk3/PCM.py

@@ -700,6 +700,7 @@ def _cleanup_askpass(path=_askpass):
         widget = TerminalWidget.da_profilo(dati, log_dir=log_dir)
         widget.comando_display   = nome
         widget.comando_originale = cmd
+        widget._tipo_sessione    = dati.get("protocol", "ssh")
 
         # SFTP browser laterale (solo SSH con sftp_browser attivo)
         if dati.get("sftp_browser") and dati.get("protocol") == "ssh":

gtk3/terminal_widget.py

@@ -74,6 +74,8 @@ def __init__(self, bg="#1e1e1e", fg="#cccccc", font="Monospace",
         self._t_connessione = None
         self._char_inviati = 0
         self._comandi_inviati: list = []
+        self._tipo_sessione = "locale"
+        self._exit_code: int | None = None
 
         self._init_ui()
 
@@ -349,10 +351,34 @@ def _on_child_exited(self, terminal, status):
             GLib.source_remove(self._keepalive_source)
             self._keepalive_source = None
 
-        self._stato_testo = t("terminal.session_ended")
+        if os.WIFEXITED(status):
+            self._exit_code = os.WEXITSTATUS(status)
+        elif os.WIFSIGNALED(status):
+            self._exit_code = -(os.WTERMSIG(status))
+        else:
+            self._exit_code = None
+
+        if self._exit_code and self._exit_code != 0 and self._tipo_sessione != "locale":
+            msg = self._exit_msg(self._exit_code)
+            self._vte.feed(f"\r\n\x1b[1;33m[PCM] {msg}\x1b[0m\r\n".encode("utf-8"))
+            self._stato_testo = f"✖  {msg}"
+        else:
+            self._stato_testo = t("terminal.session_ended")
+
         self._stato_terminato = True
         self.emit("processo-terminato")
 
+    def _exit_msg(self, code: int) -> str:
+        if self._tipo_sessione == "ssh":
+            if code == 255:
+                return t("terminal.exit.ssh_connection_error")
+            if code < 0:
+                return t("terminal.exit.signal", sig=-code)
+            return t("terminal.exit.error_code", code=code)
+        if code < 0:
+            return t("terminal.exit.signal", sig=-code)
+        return t("terminal.exit.error_code", code=code)
+
     # ------------------------------------------------------------------
     # Cleanup
     # ------------------------------------------------------------------

gtk3/translations.py

@@ -375,6 +375,9 @@ def init_from_settings() -> None:
 
     # ── Terminale (VTE) ───────────────────────────────────────────────────────
     "terminal.session_ended":      {"it": "  ✖  Sessione terminata — clicca 'Riconnetti' o chiudi il tab", "en": "  ✖  Session ended — click 'Reconnect' or close the tab", "de": "  ✖  Sitzung beendet — 'Neu verbinden' klicken oder Tab schließen", "fr": "  ✖  Session terminée — cliquez sur 'Reconnecter' ou fermez l'onglet", "es": "  ✖  Sesión terminada — haz clic en 'Reconectar' o cierra la pestaña"},
+    "terminal.exit.ssh_connection_error": {"it": "Errore di connessione — host irraggiungibile, porta chiusa o autenticazione fallita", "en": "Connection error — host unreachable, port closed, or authentication failed", "de": "Verbindungsfehler — Host nicht erreichbar, Port geschlossen oder Authentifizierung fehlgeschlagen", "fr": "Erreur de connexion — hôte inaccessible, port fermé ou authentification échouée", "es": "Error de conexión — host inalcanzable, puerto cerrado o autenticación fallida"},
+    "terminal.exit.error_code":          {"it": "Sessione terminata con errore (codice {code})", "en": "Session ended with error (code {code})", "de": "Sitzung mit Fehler beendet (Code {code})", "fr": "Session terminée avec erreur (code {code})", "es": "Sesión terminada con error (código {code})"},
+    "terminal.exit.signal":              {"it": "Processo terminato da segnale {sig}", "en": "Process killed by signal {sig}", "de": "Prozess durch Signal {sig} beendet", "fr": "Processus tué par le signal {sig}", "es": "Proceso terminado por señal {sig}"},
     "terminal.reconnect":          {"it": "🔄  Riconnetti", "en": "🔄  Reconnect", "de": "🔄  Neu verbinden", "fr": "🔄  Reconnecter", "es": "🔄  Reconectar"},
     "terminal.vte_missing":        {"it": "VTE non trovato. Installa gir1.2-vte-2.91", "en": "VTE not found. Install gir1.2-vte-2.91", "de": "VTE nicht gefunden. Installiere gir1.2-vte-2.91", "fr": "VTE introuvable. Installez gir1.2-vte-2.91", "es": "VTE no encontrado. Instala gir1.2-vte-2.91"},
     "terminal.deps_missing":       {"it": "Dipendenze mancanti", "en": "Missing dependencies", "de": "Fehlende Abhängigkeiten", "fr": "Dépendances manquantes", "es": "Dependencias faltantes"},