From e069cf1476e709115162fe6435606bc5d4506577 Mon Sep 17 00:00:00 2001
From: Dmitry Timoshkov <dmitry@codeweavers.com>
Date: Tue, 25 May 2004 18:03:32 +0000
Subject: [PATCH] Do not activate an MDI child if the child is invisible.

---
 windows/mdi.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/windows/mdi.c b/windows/mdi.c
index e716adde2da..8345f5edf5f 100644
--- a/windows/mdi.c
+++ b/windows/mdi.c
@@ -1469,7 +1469,8 @@ LRESULT WINAPI DefMDIChildProcW( HWND hwnd, UINT message,
         return 0;
 
     case WM_SETFOCUS:
-        if (ci->hwndActiveChild != hwnd) MDI_ChildActivate( client, hwnd );
+        if (ci->hwndActiveChild != hwnd && IsWindowVisible(hwnd))
+            MDI_ChildActivate( client, hwnd );
         break;
 
     case WM_CHILDACTIVATE: