Added user32-alttab-focus patchset

patches/user32-alttab-focus/0001-Send-WM_NCPOINTERUP-on-focus-regain.patch

@@ -0,0 +1,26 @@
+From 068536823c008835d9d96af2ae2cb030e753dd7f Mon Sep 17 00:00:00 2001
+From: David Torok <dt@zeroitlab.com>
+Date: Sun, 17 Nov 2019 19:08:12 +0100
+Subject: [PATCH] Send WM_NCPOINTERUP on focus regain
+
+---
+ dlls/win32u/input.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/dlls/win32u/input.c b/dlls/win32u/input.c
+index dda2a750275..05efec915b2 100644
+--- a/dlls/win32u/input.c
++++ b/dlls/win32u/input.c
+@@ -1375,6 +1375,9 @@ static BOOL set_active_window( HWND hwnd, HWND *prev, BOOL mouse, BOOL focus )
+         send_message( hwnd, WM_ACTIVATE,
+                       MAKEWPARAM( mouse ? WA_CLICKACTIVE : WA_ACTIVE, is_iconic(hwnd) ),
+                       (LPARAM)previous );
++
++        send_message( hwnd, WM_NCPOINTERUP, 0, 0);
++
+         if (NtUserGetAncestor( hwnd, GA_PARENT ) == get_desktop_window())
+             NtUserPostMessage( get_desktop_window(), WM_PARENTNOTIFY, WM_NCACTIVATE, (LPARAM)hwnd );
+ 
+-- 
+2.35.1
+

patches/user32-alttab-focus/definition

@@ -0,0 +1,5 @@
+Fixes: [48121] Improve Alt+tab for unity games.
+Depends: winex11-_NET_ACTIVE_WINDOW
+# The other patches on this bug are other solutions but
+# might cause errors if they dont recieve the HTCAPTION
+# message.