Arkadiusz Hiler : win32u: Don't affect nonclient area unless requested.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d4b2865eb7f2612e52b3fee6ae121e59c2d28296
URL:    https://gitlab.winehq.org/wine/wine/-/commit/d4b2865eb7f2612e52b3fee6ae121e5...

Author: Arkadiusz Hiler <ahiler(a)codeweavers.com>
Date:   Tue Jun 27 23:01:34 2023 +0300

win32u: Don't affect nonclient area unless requested.

The state of the caption / nonclient area should be only changed when
FLASHW_CAPTION or FLASHW_STOP are used.

---

 dlls/win32u/window.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/dlls/win32u/window.c b/dlls/win32u/window.c
index 871227645a7..f008735f2e3 100644
--- a/dlls/win32u/window.c
+++ b/dlls/win32u/window.c
@@ -4511,11 +4511,11 @@ BOOL WINAPI NtUserFlashWindowEx( FLASHWINFO *info )
 
         win = get_win_ptr( info->hwnd );
         if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
-        if (info->dwFlags && !(win->flags & WIN_NCACTIVATED))
+        if (info->dwFlags & FLASHW_CAPTION && !(win->flags & WIN_NCACTIVATED))
         {
             win->flags |= WIN_NCACTIVATED;
         }
-        else
+        else if (!info->dwFlags)
         {
             win->flags &= ~WIN_NCACTIVATED;
         }
@@ -4536,7 +4536,10 @@ BOOL WINAPI NtUserFlashWindowEx( FLASHWINFO *info )
         else wparam = (hwnd == NtUserGetForegroundWindow());
 
         release_win_ptr( win );
-        send_message( hwnd, WM_NCACTIVATE, wparam, 0 );
+
+        if (!info->dwFlags || info->dwFlags & FLASHW_CAPTION)
+            send_message( hwnd, WM_NCACTIVATE, wparam, 0 );
+
         user_driver->pFlashWindowEx( info );
         return wparam;
     }