Open QR login in window when possible

core/client.py

@@ -3,6 +3,8 @@ from __future__ import annotations
 import asyncio
 import subprocess
 import sys
+import threading
+import webbrowser
 from pathlib import Path
 from typing import Any, Optional
 
@@ -145,7 +147,7 @@ class ClientWrapper:
         except Exception:
             pass
         if qr_open and saved_path:
-            self._open_file(saved_path)
+            self._open_qr_window(saved_path)
 
     def _save_qr_image(self, url: str, qr_path: str) -> Optional[Path]:
         try:
@@ -160,6 +162,34 @@ class ClientWrapper:
         logger.info("QR image saved to %s", path)
         return path
 
+    def _open_qr_window(self, path: Path) -> None:
+        if self._try_tk_window(path):
+            return
+        self._open_file(path)
+
+    def _try_tk_window(self, path: Path) -> bool:
+        try:
+            import tkinter as tk
+        except Exception:
+            return False
+
+        def run_window() -> None:
+            try:
+                root = tk.Tk()
+                root.title("OverUB QR Login")
+                root.attributes("-topmost", True)
+                image = tk.PhotoImage(file=str(path))
+                label = tk.Label(root, image=image)
+                label.image = image
+                label.pack()
+                root.mainloop()
+            except Exception:
+                return
+
+        thread = threading.Thread(target=run_window, daemon=True)
+        thread.start()
+        return True
+
     def _open_file(self, path: Path) -> None:
         try:
             if sys.platform.startswith("darwin"):
@@ -169,7 +199,10 @@ class ClientWrapper:
             else:
                 subprocess.run(["xdg-open", str(path)], check=False)
         except Exception:
-            logger.warning("Failed to open QR image automatically")
+            try:
+                webbrowser.open(path.as_uri())
+            except Exception:
+                logger.warning("Failed to open QR image automatically")
 
     async def _prompt(self, prompt: str) -> str:
         loop = asyncio.get_event_loop()