[PATCH v5 0/1] MR2853: win32u: Implement EVENT_SYSTEM_FOREGROUND

[Esme Povirk (＠madewokherd)]

I expect this is going to be tricky to get in. I ran into the following issues:
 * test_ShowWindow behaves very strangely on Windows. It seems this isn't typical behavior, and is caused by an interaction with test_SetFocus, but I'm not sure exactly what it does to the thread state that causes this.
 * Many of the SetWindowPos flag combinations tested don't actually show the window on Windows, therefore they don't send EVENT_SYSTEM_FOREGROUND. I was able to reproduce this with a stand-alone test, so it seems to be normal behavior.
 * Windows can show a window without activating it, and Wine on X11 can't do that reliably for managed windows.
 * There are a couple of cases where Windows sends an event and Wine doesn't. I figure it's OK to not cover every case, but I can go back and investigate those if needed.

This interacts with https://gitlab.winehq.org/wine/wine/-/merge_requests/2314, in that the tests don't really test much without it. I applied that MR for my own testing.

--
  v5: win32u: Implement EVENT_SYSTEM_FOREGROUND.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/2853

[PATCH v5 1/1] win32u: Implement EVENT_SYSTEM_FOREGROUND.

[Esme Povirk]

From: Esme Povirk <esme(a)codeweavers.com>

---
 dlls/user32/tests/msg.c | 47 +++++++++++++++++++++++------------------
 dlls/win32u/input.c     |  2 ++
 2 files changed, 29 insertions(+), 20 deletions(-)

diff --git a/dlls/user32/tests/msg.c b/dlls/user32/tests/msg.c
index 786babb1b5b..bcb376cb14b 100644
--- a/dlls/user32/tests/msg.c
+++ b/dlls/user32/tests/msg.c
@@ -200,7 +200,7 @@ static const struct message WmSWP_ShowOverlappedSeq[] = {
     { WM_GETTEXT, sent|defwinproc|optional },
     { WM_ERASEBKGND, sent|optional },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_NOTIFYFORMAT, sent|optional },
     { WM_QUERYUISTATE, sent|optional },
     { WM_QUERYNEWPALETTE, sent|wparam|lparam|optional, 0, 0 },
@@ -751,7 +751,7 @@ static const struct message WmCreateMaxPopupSeq[] = {
     { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_QUERYNEWPALETTE, sent|wparam|lparam|optional, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE },
     { WM_NCPAINT, sent|wparam|optional, 1 },
@@ -801,7 +801,7 @@ static const struct message WmShowMaxPopupResizedSeq[] = {
     { WM_NCCALCSIZE, sent|wparam, TRUE },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_QUERYNEWPALETTE, sent|wparam|lparam|optional, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE },
     { WM_NCPAINT, sent|wparam|optional, 1 },
@@ -833,7 +833,7 @@ static const struct message WmShowMaxPopupSeq[] = {
     { WM_NCCALCSIZE, sent|wparam, TRUE },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_QUERYNEWPALETTE, sent|wparam|lparam|optional, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE },
     { WM_NCPAINT, sent|wparam|optional, 1 },
@@ -871,7 +871,7 @@ static const struct message WmCreatePopupSeq[] = {
     { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_QUERYNEWPALETTE, sent|wparam|lparam|optional, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE },
     { WM_NCPAINT, sent|wparam|optional, 1 },
@@ -1110,7 +1110,7 @@ static const struct message WmShowVisiblePopupSeq_2[] = {
 static const struct message WmShowVisiblePopupSeq_3[] = {
     { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_QUERYNEWPALETTE, sent|wparam|lparam|optional, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE },
     { WM_NCACTIVATE, sent },
@@ -1140,7 +1140,7 @@ static const struct message WmShowPopupExtremeLocationSeq[] = {
     { WM_WINDOWPOSCHANGING, sent },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|optional },
     { WM_QUERYNEWPALETTE, sent|optional },
 
@@ -1181,7 +1181,7 @@ static const struct message WmShowPopupFirstDrawSeq_1[] = {
     { WM_WINDOWPOSCHANGING, sent },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|optional },
     { WM_QUERYNEWPALETTE, sent|optional },
     { WM_ACTIVATEAPP, sent },
@@ -1219,7 +1219,7 @@ static const struct message WmShowPopupFirstDrawSeq_2[] = {
     { WM_NCCALCSIZE, sent|wparam, TRUE },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|optional },
     { WM_NCPAINT, sent|optional|wparam, 1 },
     { WM_ERASEBKGND, sent|optional },
@@ -1258,7 +1258,7 @@ static const struct message WmFirstDrawSetWindowPosSeq1[] = {
     { WM_WINDOWPOSCHANGING, sent },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|optional },
     { WM_QUERYNEWPALETTE, sent|optional },
     { WM_ACTIVATEAPP, sent },
@@ -1289,7 +1289,7 @@ static const struct message WmFirstDrawSetWindowPosSeq2[] = {
     { WM_WINDOWPOSCHANGING, sent },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam|optional, 0, 0 }, /* Not always sent. */
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_QUERYNEWPALETTE, sent|optional },
     { WM_WINDOWPOSCHANGING, sent|optional },
     { WM_ACTIVATEAPP, sent },
@@ -1317,6 +1317,7 @@ static const struct message WmFirstDrawSetWindowPosSeq3[] = {
     { WM_MOVE, sent },
     { EVENT_OBJECT_SHOW, winevent_hook|wine_only },
     { HCBT_ACTIVATE, hook|wine_only },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|wine_only, 0, 0 },
     { WM_QUERYNEWPALETTE, sent|wine_only },
     { WM_ACTIVATEAPP, sent|wine_only },
     { WM_NCACTIVATE, sent|wine_only },
@@ -1336,7 +1337,7 @@ static const struct message WmFirstDrawSetWindowPosSeq4[] = {
     { WM_WINDOWPOSCHANGING, sent },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|optional },
     { WM_QUERYNEWPALETTE, sent|optional },
     { WM_ACTIVATEAPP, sent },
@@ -1365,7 +1366,7 @@ static const struct message WmFirstDrawSetWindowPosSeq5[] = {
     { WM_WINDOWPOSCHANGING, sent },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|optional },
     { WM_QUERYNEWPALETTE, sent|optional },
     { WM_ACTIVATEAPP, sent },
@@ -1728,7 +1729,7 @@ static const struct message WmEndCustomDialogSeq[] = {
     { WM_GETTEXT, sent|optional|defwinproc },
     { WM_GETTEXT, sent|optional|defwinproc },
     { WM_ACTIVATE, sent|wparam, 0 },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE },
     { WM_WINDOWPOSCHANGED, sent|wparam|optional, SWP_NOACTIVATE|SWP_NOREDRAW|SWP_NOSIZE|SWP_NOMOVE|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
     { WM_GETTEXT, sent|optional|defwinproc },
@@ -2960,7 +2961,7 @@ static const struct message WmCreateMDIframeSeq[] = {
     { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_QUERYNEWPALETTE, sent|wparam|lparam|optional, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE }, /* XP */
     { WM_ACTIVATEAPP, sent|wparam|optional, 1 }, /* Win9x doesn't send it */
@@ -14964,7 +14965,7 @@ static const struct message WmShowNormal[] = {
     { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE }, /* win2003 doesn't send it */
     { HCBT_SETFOCUS, hook },
     { EVENT_OBJECT_FOCUS, winevent_hook|wparam|lparam|msg_todo, OBJID_CLIENT, 0 },
@@ -14977,6 +14978,7 @@ static const struct message WmShow[] = {
     { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook|optional }, /* win2000 doesn't send it */
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|wine_only, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE }, /* win2000 doesn't send it */
     { HCBT_SETFOCUS, hook|optional }, /* win2000 doesn't send it */
     { WM_WINDOWPOSCHANGED, sent|wparam, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
@@ -15010,6 +15012,7 @@ static const struct message WmShowNoActivate_2[] = {
     { WM_SIZE, sent|wparam|defwinproc, SIZE_RESTORED },
     { HCBT_SETFOCUS, hook|optional },
     { HCBT_ACTIVATE, hook|optional }, /* win2003 doesn't send it */
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|wine_only, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE }, /* win2003 doesn't send it */
     { WM_WINDOWPOSCHANGED, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
     { HCBT_SETFOCUS, hook|optional }, /* win2003 doesn't send it */
@@ -15037,6 +15040,7 @@ static const struct message WmRestore_1[] = {
     { EVENT_OBJECT_REORDER, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook|optional }, /* win2000 doesn't send it */
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|wine_only, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE }, /* win2000 doesn't send it */
     { HCBT_SETFOCUS, hook|optional }, /* win2000 doesn't send it */
     { WM_WINDOWPOSCHANGED, sent|wparam, SWP_SHOWWINDOW|SWP_FRAMECHANGED|SWP_NOCOPYBITS|SWP_STATECHANGED },
@@ -15054,6 +15058,7 @@ static const struct message WmRestore_2[] = {
     { WM_WINDOWPOSCHANGING, sent|wparam, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook|optional }, /* win2000 doesn't send it */
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|wine_only, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE }, /* win2000 doesn't send it */
     { HCBT_SETFOCUS, hook|optional }, /* win2000 doesn't send it */
     { WM_WINDOWPOSCHANGED, sent|wparam, SWP_SHOWWINDOW|SWP_NOSIZE|SWP_NOMOVE|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE },
@@ -15134,6 +15139,7 @@ static const struct message WmShowMinimized_1[] = {
     { EVENT_OBJECT_REORDER, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook|optional }, /* win2000 doesn't send it */
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|wine_only, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE }, /* win2000 doesn't send it */
     { WM_WINDOWPOSCHANGED, sent|wparam, SWP_SHOWWINDOW|SWP_FRAMECHANGED|SWP_NOCOPYBITS|SWP_STATECHANGED },
     { WM_MOVE, sent|defwinproc },
@@ -15234,6 +15240,7 @@ static const struct message WmShowMaximized_1[] = {
     { EVENT_OBJECT_REORDER, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
     { EVENT_OBJECT_SHOW, winevent_hook|wparam|lparam, 0, 0 },
     { HCBT_ACTIVATE, hook|optional }, /* win2000 doesn't send it */
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|wine_only, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE }, /* win2000 doesn't send it */
     { HCBT_SETFOCUS, hook|optional }, /* win2000 doesn't send it */
     { WM_WINDOWPOSCHANGED, sent|wparam, SWP_SHOWWINDOW|SWP_FRAMECHANGED|SWP_NOCOPYBITS|SWP_STATECHANGED },
@@ -15678,7 +15685,7 @@ static const struct message WmCreateDialogParamSeq_1[] = {
     { WM_GETDLGCODE, sent|wparam|lparam|msg_todo, 0, 0 }, /* FIXME: Wine doesn't send it */
     { HCBT_SETFOCUS, hook },
     { HCBT_ACTIVATE, hook },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_QUERYNEWPALETTE, sent|optional },
     { WM_PALETTEISCHANGING, sent|optional },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE },
@@ -15958,7 +15965,7 @@ static void test_enddialog_seq(HWND dialog, HWND owner)
         { HCBT_ACTIVATE, hook|wparam, (WPARAM)owner },
         { WM_NCACTIVATE, sent|wparam|lparam, WA_INACTIVE, (LPARAM)owner },
         { WM_ACTIVATE, sent|wparam|lparam, WA_INACTIVE, (LPARAM)owner },
-        { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+        { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
         /* FIXME: Following two are optional because Wine sends WM_QUERYNEWPALETTE instead of WM_WINDOWPOSCHANGING */
         { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE },
         { WM_QUERYNEWPALETTE, sent|optional },
@@ -15986,7 +15993,7 @@ static void test_enddialog_seq2(HWND dialog, HWND owner)
         { HCBT_ACTIVATE, hook|wparam, (WPARAM)owner },
         { WM_NCACTIVATE, sent|wparam|lparam, WA_INACTIVE, (LPARAM)owner },
         { WM_ACTIVATE, sent|wparam|lparam, WA_INACTIVE, (LPARAM)owner },
-        { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+        { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
         { WM_WINDOWPOSCHANGING, sent|optional|wparam, SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE },
         { WM_WINDOWPOSCHANGING, sent|optional|wparam, SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOMOVE },
         { HCBT_SETFOCUS, hook|wparam, (WPARAM)owner },
@@ -16171,7 +16178,7 @@ static const struct message SetActiveWindowSeq2[] =
     { WM_NCACTIVATE, sent|wparam, 0 },
     { WM_GETTEXT, sent|defwinproc|optional },
     { WM_ACTIVATE, sent|wparam, 0 },
-    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam|msg_todo, 0, 0 },
+    { EVENT_SYSTEM_FOREGROUND, winevent_hook|wparam|lparam, 0, 0 },
     { WM_QUERYNEWPALETTE, sent|wparam|lparam|optional, 0, 0 },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE },
     { WM_WINDOWPOSCHANGING, sent|wparam|optional, SWP_NOSIZE|SWP_NOMOVE|SWP_NOACTIVATE },
diff --git a/dlls/win32u/input.c b/dlls/win32u/input.c
index 84bd26379f5..b305e00b1a3 100644
--- a/dlls/win32u/input.c
+++ b/dlls/win32u/input.c
@@ -1911,6 +1911,8 @@ static BOOL set_active_window( HWND hwnd, HWND *prev, BOOL mouse, BOOL focus )
 
     if (hwnd)
     {
+        NtUserNotifyWinEvent( EVENT_SYSTEM_FOREGROUND, hwnd, 0, 0 );
+
         /* send palette messages */
         if (send_message( hwnd, WM_QUERYNEWPALETTE, 0, 0 ))
             send_message_timeout( HWND_BROADCAST, WM_PALETTEISCHANGING, (WPARAM)hwnd, 0,
-- 
GitLab

https://gitlab.winehq.org/wine/wine/-/merge_requests/2853

[PATCH v5 0/1] MR2853: win32u: Implement EVENT_SYSTEM_FOREGROUND - approved

[Rémi Bernon]

This merge request was approved by Rémi Bernon.
-- 
https://gitlab.winehq.org/wine/wine/-/merge_requests/2853