Reparenting a window with SetParent in Windows should cause the child

window being re-parented to be moved up to the topmost in the z-order, and WM_WINDOWPOSCHANGING and WM_WINDOWPOSCHANGED messages to be sent.

Reparenting a window with SetParent in Windows should cause the child
463eb294 · Noel Borthwick · Alexandre Julliard · fc43f81f · 463eb294
Commit 463eb294 authored Jan 20, 1999 by Noel Borthwick Committed by Alexandre Julliard Jan 20, 1999
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win.c windows/win.c +6 -0

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--- a/windows/win.c
+++ b/windows/win.c
@@ -1908,6 +1908,12 @@ HWND32 WINAPI SetParent32( HWND32 hwndChild, HWND32 hwndNewParent )
  WND *pWndOldParent =
    (wndPtr)?(*wndPtr->pDriver->pSetParent)(wndPtr, pWndNewParent):NULL;

+  /* SetParent32 additionally needs to make hwndChild the topmost window
+     in the x-order and send the expected WM_WINDOWPOSCHANGING and
+     WM_WINDOWPOSCHANGED notification messages. 
+  */
+  SetWindowPos32( hwndChild, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE);
+                              
  return pWndOldParent?pWndOldParent->hwndSelf:0;
 }