v1.8.32: fix embedded RDP — AttachThreadInput for cross-process SetParent

SetParent returned 0 (failed) because mstsc runs in a different thread.
Added AttachThreadInput() before SetParent to link input queues.
Also strip WS_EX_APPWINDOW to remove mstsc from taskbar when embedded.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

core/remote_desktop.py

@@ -508,9 +508,11 @@ class EmbeddedRDP:
         import ctypes.wintypes
 
         user32 = ctypes.windll.user32
+        kernel32 = ctypes.windll.kernel32
         hwnd = self._mstsc_hwnd
 
         GWL_STYLE = -16
+        GWL_EXSTYLE = -20
         WS_CHILD = 0x40000000
         WS_VISIBLE = 0x10000000
         WS_CAPTION = 0x00C00000
@@ -519,24 +521,48 @@ class EmbeddedRDP:
         WS_SYSMENU = 0x00080000
         WS_MINIMIZEBOX = 0x00020000
         WS_MAXIMIZEBOX = 0x00010000
+        WS_EX_APPWINDOW = 0x00040000
+        WS_EX_WINDOWEDGE = 0x00000100
         SWP_FRAMECHANGED = 0x0020
         SWP_NOZORDER = 0x0004
 
         try:
+            # Attach thread input queues — required for cross-process SetParent
+            target_tid = user32.GetWindowThreadProcessId(hwnd, None)
+            our_tid = kernel32.GetCurrentThreadId()
+            attached = False
+            if target_tid != our_tid:
+                attached = bool(user32.AttachThreadInput(our_tid, target_tid, True))
+                log.info(f"AttachThreadInput({our_tid}, {target_tid}): {attached}")
+
             # Remove decorations, make child
             # Use unsigned 32-bit mask to avoid ctypes overflow
             style = user32.GetWindowLongW(hwnd, GWL_STYLE) & 0xFFFFFFFF
-            style = (style | WS_CHILD | WS_VISIBLE) & ~(
+            new_style = (style | WS_CHILD | WS_VISIBLE) & ~(
                 WS_POPUP | WS_CAPTION | WS_THICKFRAME |
                 WS_SYSMENU | WS_MINIMIZEBOX | WS_MAXIMIZEBOX
             ) & 0xFFFFFFFF
-            user32.SetWindowLongW(hwnd, GWL_STYLE, ctypes.c_long(style).value)
+            user32.SetWindowLongW(hwnd, GWL_STYLE, ctypes.c_long(new_style).value)
+
+            # Also strip extended styles that keep it on taskbar
+            ex_style = user32.GetWindowLongW(hwnd, GWL_EXSTYLE) & 0xFFFFFFFF
+            new_ex = (ex_style & ~(WS_EX_APPWINDOW | WS_EX_WINDOWEDGE)) & 0xFFFFFFFF
+            user32.SetWindowLongW(hwnd, GWL_EXSTYLE, ctypes.c_long(new_ex).value)
 
             # Reparent
-            user32.SetParent(hwnd, parent_hwnd)
+            result = user32.SetParent(hwnd, parent_hwnd)
+            log.info(f"SetParent(hwnd={hwnd}, parent={parent_hwnd}) = {result}")
 
-            # Resize to fill parent
+            if not result:
-            user32.MoveWindow(hwnd, 0, 0, width, height, True)
+                # SetParent failed — try alternative: set owner instead
+                error = kernel32.GetLastError()
+                log.warning(f"SetParent failed, GetLastError={error}. Trying ShowWindow approach.")
+                # Force the window into position over our frame anyway
+                user32.SetWindowPos(hwnd, 0, 0, 0, width, height,
+                                    SWP_FRAMECHANGED | SWP_NOZORDER)
+            else:
+                # Resize to fill parent
+                user32.MoveWindow(hwnd, 0, 0, width, height, True)
 
             # Apply style change
             user32.SetWindowPos(hwnd, 0, 0, 0, 0, 0,
@@ -545,8 +571,12 @@ class EmbeddedRDP:
             # Focus
             user32.SetFocus(hwnd)
 
+            # Detach thread input
+            if attached:
+                user32.AttachThreadInput(our_tid, target_tid, False)
+
             self._connected = True
-            log.info(f"mstsc embedded: HWND={hwnd} into parent={parent_hwnd}")
+            log.info(f"mstsc embedded: HWND={hwnd} into parent={parent_hwnd} (SetParent={result})")
 
             if self.on_embedded:
                 self.on_embedded()

version.py

@@ -1,6 +1,6 @@
 """Version info for ServerManager."""
 
-__version__ = "1.8.31"
+__version__ = "1.8.32"
 __app_name__ = "ServerManager"
 __author__ = "aibot777"
 __description__ = "Desktop GUI for managing remote servers"