update

AzA march 2026/translate.py

@@ -617,10 +617,55 @@ def save_main_languages(lang_in: str, lang_out: str):
         pass
 
 
+_MAIN_ROOT = None
+
+
+def _clear_main_root(widget=None) -> None:
+    global _MAIN_ROOT
+    if _MAIN_ROOT is widget or widget is None:
+        _MAIN_ROOT = None
+
+
+def focus_existing_translator(parent=None):
+    """Vorhandenes Übersetzerfenster nach vorne holen (Singleton)."""
+    global _MAIN_ROOT
+    root = _MAIN_ROOT
+    if root is None:
+        return None
+    try:
+        if not root.winfo_exists():
+            _MAIN_ROOT = None
+            return None
+    except Exception:
+        _MAIN_ROOT = None
+        return None
+    try:
+        root.deiconify()
+        root.wm_state("normal")
+    except Exception:
+        pass
+    try:
+        from aza_ui_helpers import bring_tool_window_to_front, center_tool_window
+
+        center_tool_window(root, parent=parent, vertical_center=True)
+        bring_tool_window_to_front(root, flash_ms=1200)
+    except Exception:
+        pass
+    try:
+        root.focus_force()
+    except Exception:
+        pass
+    return root
+
+
 def main(parent=None):
     """Startet das Übersetzer-Modul.
     parent: Wenn angegeben (Tk-Window), wird ein Toplevel statt eigenem Tk() erstellt
             und kein eigener mainloop() aufgerufen (Embedded-Modus)."""
+    global _MAIN_ROOT
+    existing = focus_existing_translator(parent)
+    if existing is not None:
+        return existing
     load_dotenv()
     try:
         from aza_ai_client import get_ai_client
@@ -694,6 +739,7 @@ def main(parent=None):
             save_main_languages(lin, lou)
         except Exception:
             pass
+        _clear_main_root(root)
         root.destroy()
 
     root.protocol("WM_DELETE_WINDOW", on_main_close)
@@ -924,8 +970,8 @@ def main(parent=None):
         lang_in_var.set(out_val)
         lang_out_var.set(in_val)
 
-    umkehr_row = tk.Frame(root, bg=_BG, padx=14, pady=(0, 4))
-    umkehr_row.pack(fill="x")
+    umkehr_row = tk.Frame(root, bg=_BG)
+    umkehr_row.pack(fill="x", padx=14, pady=(0, 4))
     btn_swap = _make_feedback_btn(umkehr_row, text="Umkehren", command=swap_languages,
                                   bg=_BTN_SEC, fg=_BTN_PRI, active_bg="#E8F4FA",
                                   font_spec=("Segoe UI", 9, "bold"), padx=12, pady=4)
@@ -979,8 +1025,8 @@ def main(parent=None):
                        bg=_BTN_SEC, fg=_BTN_PRI, active_bg="#E8F4FA", font_spec=("Segoe UI", 9),
                        padx=10, pady=4).pack(anchor="center")
 
-    btn_frame = tk.Frame(root, bg=_BG, padx=14, pady=(0, 8))
-    btn_frame.pack(fill="x")
+    btn_frame = tk.Frame(root, bg=_BG)
+    btn_frame.pack(fill="x", padx=14, pady=(0, 8))
     status_var = tk.StringVar(value="Bereit.")
     status_row = ttk.Frame(btn_frame)
     status_row.pack(fill="x", pady=(0, 4))
@@ -2556,8 +2602,22 @@ def main(parent=None):
 
     ttk.Sizegrip(root).place(relx=1.0, rely=1.0, anchor="se")
 
+    _MAIN_ROOT = root
+    try:
+        root.bind("<Destroy>", lambda e: _clear_main_root(e.widget) if e.widget is root else None, add="+")
+    except Exception:
+        pass
+    try:
+        from aza_ui_helpers import bring_tool_window_to_front, center_tool_window
+
+        center_tool_window(root, parent=parent if _embedded else None, vertical_center=True)
+        bring_tool_window_to_front(root, flash_ms=1200)
+    except Exception:
+        pass
+
     if not _embedded:
         root.mainloop()
+    return root
 
 
 if __name__ == "__main__":