win32u: Return LRESULT from NtUserMessageCall.

dlls/user32/user_main.c

@@ -377,5 +377,6 @@ void SPY_EnterMessage( INT flag, HWND hwnd, UINT msg, WPARAM wparam, LPARAM lpar
 
 void SPY_ExitMessage( INT flag, HWND hwnd, UINT msg, LRESULT lreturn, WPARAM wparam, LPARAM lparam )
 {
-    if (TRACE_ON(message)) NtUserMessageCall( hwnd, msg, wparam, lparam, lreturn, FNID_SPYEXIT, flag );
+    if (TRACE_ON(message)) NtUserMessageCall( hwnd, msg, wparam, lparam, (void *)lreturn,
+                                              FNID_SPYEXIT, flag );
 }

dlls/user32/winproc.c

@@ -1332,7 +1332,7 @@ LRESULT WINAPI CallWindowProcA( WNDPROC func, HWND hwnd, UINT msg, WPARAM wParam
 
     params.func = func;
     params.result = &result;
-    if (!NtUserMessageCall( hwnd, msg, wParam, lParam, (ULONG_PTR)&params, FNID_CALLWNDPROC, TRUE ))
+    if (!NtUserMessageCall( hwnd, msg, wParam, lParam, &params, FNID_CALLWNDPROC, TRUE ))
         return 0;
     dispatch_win_proc_params( &params );
     return result;
@@ -1351,7 +1351,7 @@ LRESULT WINAPI CallWindowProcW( WNDPROC func, HWND hwnd, UINT msg, WPARAM wParam
 
     params.func = func;
     params.result = &result;
-    if (!NtUserMessageCall( hwnd, msg, wParam, lParam, (ULONG_PTR)&params, FNID_CALLWNDPROC, FALSE ))
+    if (!NtUserMessageCall( hwnd, msg, wParam, lParam, &params, FNID_CALLWNDPROC, FALSE ))
         return 0;
     dispatch_win_proc_params( &params );
     return result;

dlls/win32u/message.c

@@ -2133,23 +2133,19 @@ BOOL kill_system_timer( HWND hwnd, UINT_PTR id )
     return ret;
 }
 
-static BOOL send_window_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
-                                 LRESULT *result, BOOL ansi )
+static LRESULT send_window_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam, BOOL ansi )
 {
     /* FIXME: move implementation from user32 */
     if (!user_callbacks) return FALSE;
-    *result = ansi
+    return ansi
         ? user_callbacks->pSendMessageA( hwnd, msg, wparam, lparam )
         : user_callbacks->pSendMessageW( hwnd, msg, wparam, lparam );
-    return TRUE;
 }
 
 /* see SendMessageW */
 LRESULT send_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 {
-    LRESULT result = 0;
-    send_window_message( hwnd, msg, wparam, lparam, &result, FALSE );
-    return result;
+    return send_window_message( hwnd, msg, wparam, lparam, FALSE );
 }
 
 /* see SendNotifyMessageW */
@@ -2166,8 +2162,8 @@ LRESULT post_message( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
     return user_callbacks->pPostMessageW( hwnd, msg, wparam, lparam );
 }
 
-BOOL WINAPI NtUserMessageCall( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
-                               ULONG_PTR result_info, DWORD type, BOOL ansi )
+LRESULT WINAPI NtUserMessageCall( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
+                                  void *result_info, DWORD type, BOOL ansi )
 {
     switch (type)
     {
@@ -2175,17 +2171,17 @@ BOOL WINAPI NtUserMessageCall( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam
         return init_win_proc_params( (struct win_proc_params *)result_info, hwnd, msg,
                                      wparam, lparam, ansi );
     case FNID_SENDMESSAGE:
-        return send_window_message( hwnd, msg, wparam, lparam, (LRESULT *)result_info, ansi );
+        return send_window_message( hwnd, msg, wparam, lparam, ansi );
     case FNID_SENDNOTIFYMESSAGE:
         return send_notify_message( hwnd, msg, wparam, lparam, ansi );
     case FNID_SPYENTER:
         spy_enter_message( ansi, hwnd, msg, wparam, lparam );
         return 0;
     case FNID_SPYEXIT:
-        spy_exit_message( ansi, hwnd, msg, result_info, wparam, lparam );
+        spy_exit_message( ansi, hwnd, msg, (LPARAM)result_info, wparam, lparam );
         return 0;
     default:
-        FIXME( "%p %x %lx %lx %lx %x %x\n", hwnd, msg, wparam, lparam, result_info, type, ansi );
+        FIXME( "%p %x %lx %lx %p %x %x\n", hwnd, msg, wparam, lparam, result_info, type, ansi );
     }
     return 0;
 }

dlls/win32u/tests/win32u.c

@@ -381,6 +381,102 @@ static void test_cursoricon(void)
     ok(ret, "Destroy icon failed, error %lu.\n", GetLastError());
 }
 
+static LRESULT WINAPI test_message_call_proc( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
+{
+    switch (msg)
+    {
+    case WM_SETTEXT:
+        ok( !wcscmp( (const WCHAR *)lparam, L"test" ),
+            "lparam = %s\n", wine_dbgstr_w( (const WCHAR *)lparam ));
+        return 6;
+    case WM_USER:
+        ok( wparam == 1, "wparam = %Iu\n", wparam );
+        ok( lparam == 2, "lparam = %Iu\n", lparam );
+        return 3;
+    case WM_USER + 1:
+        return lparam;
+    }
+
+    return DefWindowProcW( hwnd, msg, wparam, lparam );
+}
+
+static void WINAPI test_message_callback( HWND hwnd, UINT msg, ULONG_PTR data, LRESULT result )
+{
+    ok( msg == WM_USER, "msg = %u\n", msg );
+    ok( data == 10, "data = %Iu\n", data );
+    ok( result == 3, "result = %Iu\n", result );
+}
+
+static void test_message_call(void)
+{
+    const LPARAM large_lparam = (LPARAM)(3 + ((ULONGLONG)1 << 60));
+    struct send_message_callback_params callback_params = {
+        .callback = test_message_callback,
+        .data = 10,
+    };
+    struct send_message_timeout_params smp;
+    WNDCLASSW cls = { 0 };
+    LRESULT res;
+    HWND hwnd;
+
+    cls.lpfnWndProc = test_message_call_proc;
+    cls.lpszClassName = L"TestClass";
+    RegisterClassW( &cls );
+
+    hwnd = CreateWindowExW( 0, L"TestClass", NULL, WS_POPUP, 0,0,0,0,0,0,0, NULL );
+
+    res = NtUserMessageCall( hwnd, WM_USER, 1, 2, (void *)0xdeadbeef, FNID_SENDMESSAGE, FALSE );
+    ok( res == 3, "res = %Iu\n", res );
+
+    res = NtUserMessageCall( hwnd, WM_USER, 1, 2, (void *)0xdeadbeef, FNID_SENDMESSAGE, TRUE );
+    ok( res == 3, "res = %Iu\n", res );
+
+    res = NtUserMessageCall( hwnd, WM_SETTEXT, 0, (LPARAM)L"test", NULL, FNID_SENDMESSAGE, FALSE );
+    ok( res == 6, "res = %Iu\n", res );
+
+    res = NtUserMessageCall( hwnd, WM_SETTEXT, 0, (LPARAM)"test", NULL, FNID_SENDMESSAGE, TRUE );
+    ok( res == 6, "res = %Iu\n", res );
+
+    SetLastError( 0xdeadbeef );
+    res = NtUserMessageCall( UlongToHandle(0xdeadbeef), WM_USER, 1, 2, 0, FNID_SENDMESSAGE, TRUE );
+    ok( !res, "res = %Iu\n", res );
+    ok( GetLastError() == ERROR_INVALID_WINDOW_HANDLE, "GetLastError() = %lu\n", GetLastError());
+
+    res = NtUserMessageCall( hwnd, WM_USER + 1, 0, large_lparam, 0, FNID_SENDMESSAGE, FALSE );
+    ok( res == large_lparam, "res = %Iu\n", res );
+
+    smp.flags = 0;
+    smp.timeout = 10;
+    smp.result = 0xdeadbeef;
+    res = NtUserMessageCall( hwnd, WM_USER, 1, 2, &smp, FNID_SENDMESSAGEWTOOPTION, FALSE );
+    todo_wine
+    ok( res == 3, "res = %Iu\n", res );
+    todo_wine
+    ok( smp.result == 1, "smp.result = %Iu\n", smp.result );
+
+    smp.flags = 0;
+    smp.timeout = 10;
+    smp.result = 0xdeadbeef;
+    res = NtUserMessageCall( hwnd, WM_USER + 1, 0, large_lparam,
+                             &smp, FNID_SENDMESSAGEWTOOPTION, FALSE );
+    todo_wine
+    ok( res == large_lparam, "res = %Iu\n", res );
+    todo_wine
+    ok( smp.result == 1, "smp.result = %Iu\n", smp.result );
+
+    res = NtUserMessageCall( hwnd, WM_USER, 1, 2, (void *)0xdeadbeef,
+                             FNID_SENDNOTIFYMESSAGE, FALSE );
+    ok( res == 1, "res = %Iu\n", res );
+
+    res = NtUserMessageCall( hwnd, WM_USER, 1, 2, &callback_params,
+                             FNID_SENDMESSAGECALLBACK, FALSE );
+    todo_wine
+    ok( res == 1, "res = %Iu\n", res );
+
+    DestroyWindow( hwnd );
+    UnregisterClassW( L"TestClass", NULL );
+}
+
 START_TEST(win32u)
 {
     /* native win32u.dll fails if user32 is not loaded, so make sure it's fully initialized */
@@ -391,6 +487,7 @@ START_TEST(win32u)
     test_class();
     test_NtUserBuildHwndList();
     test_cursoricon();
+    test_message_call();
 
     test_NtUserCloseWindowStation();
 }

dlls/win32u/win32u_private.h

@@ -236,8 +236,8 @@ struct unix_funcs
     BOOL     (WINAPI *pNtUserGetUpdatedClipboardFormats)( UINT *formats, UINT size, UINT *out_size );
     BOOL     (WINAPI *pNtUserIsClipboardFormatAvailable)( UINT format );
     UINT     (WINAPI *pNtUserMapVirtualKeyEx)( UINT code, UINT type, HKL layout );
-    BOOL     (WINAPI *pNtUserMessageCall)( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
-                                           ULONG_PTR result_info, DWORD type, BOOL ansi );
+    LRESULT  (WINAPI *pNtUserMessageCall)( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
+                                           void *result_info, DWORD type, BOOL ansi );
     BOOL     (WINAPI *pNtUserMoveWindow)( HWND hwnd, INT x, INT y, INT cx, INT cy, BOOL repaint );
     DWORD    (WINAPI *pNtUserMsgWaitForMultipleObjectsEx)( DWORD count, const HANDLE *handles,
                                                            DWORD timeout, DWORD mask, DWORD flags );

dlls/win32u/window.c

@@ -4667,7 +4667,6 @@ HWND WINAPI NtUserCreateWindowEx( DWORD ex_style, UNICODE_STRING *class_name,
     DPI_AWARENESS_CONTEXT context;
     HWND hwnd, owner = 0;
     INT sw = SW_SHOW;
-    LRESULT result;
     RECT rect;
     WND *win;
 
@@ -4846,8 +4845,7 @@ HWND WINAPI NtUserCreateWindowEx( DWORD ex_style, UNICODE_STRING *class_name,
 
     TRACE( "hwnd %p cs %d,%d %dx%d %s\n", hwnd, cs.x, cs.y, cs.cx, cs.cy, wine_dbgstr_rect(&rect) );
     *client_cs = cs;
-    if (!NtUserMessageCall( hwnd, WM_NCCREATE, 0, (LPARAM)client_cs, (ULONG_PTR)&result,
-                            FNID_SENDMESSAGE, ansi ) || !result)
+    if (!NtUserMessageCall( hwnd, WM_NCCREATE, 0, (LPARAM)client_cs, NULL, FNID_SENDMESSAGE, ansi ))
     {
         WARN( "%p: aborted by WM_NCCREATE\n", hwnd );
         goto failed;
@@ -4879,8 +4877,8 @@ HWND WINAPI NtUserCreateWindowEx( DWORD ex_style, UNICODE_STRING *class_name,
     else goto failed;
 
     /* send WM_CREATE */
-    if (!NtUserMessageCall( hwnd, WM_CREATE, 0, (LPARAM)client_cs, (ULONG_PTR)&result,
-                            FNID_SENDMESSAGE, ansi ) || result == -1) goto failed;
+    if (NtUserMessageCall( hwnd, WM_CREATE, 0, (LPARAM)client_cs, 0, FNID_SENDMESSAGE, ansi ) == -1)
+        goto failed;
     cs = *client_cs;
 
     /* call the driver */

dlls/win32u/wrappers.c

@@ -957,8 +957,8 @@ UINT WINAPI NtUserMapVirtualKeyEx( UINT code, UINT type, HKL layout )
     return unix_funcs->pNtUserMapVirtualKeyEx( code, type, layout );
 }
 
-BOOL WINAPI NtUserMessageCall( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
-                               ULONG_PTR result_info, DWORD type, BOOL ansi )
+LRESULT WINAPI NtUserMessageCall( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
+                                  void *result_info, DWORD type, BOOL ansi )
 {
     if (!unix_funcs) return 0;
     return unix_funcs->pNtUserMessageCall( hwnd, msg, wparam, lparam, result_info, type, ansi );

include/ntuser.h

@@ -239,12 +239,27 @@ enum
 /* NtUserMessageCall codes */
 enum
 {
-    FNID_CALLWNDPROC        = 0x02ab,
-    FNID_SENDMESSAGE        = 0x02b1,
-    FNID_SENDNOTIFYMESSAGE  = 0x02b7,
+    FNID_CALLWNDPROC          = 0x02ab,
+    FNID_SENDMESSAGE          = 0x02b1,
+    FNID_SENDMESSAGEWTOOPTION = 0x02b3,
+    FNID_SENDNOTIFYMESSAGE    = 0x02b7,
+    FNID_SENDMESSAGECALLBACK  = 0x02b8,
     /* Wine-specific exports */
-    FNID_SPYENTER           = 0x0300,
-    FNID_SPYEXIT            = 0x0301,
+    FNID_SPYENTER             = 0x0300,
+    FNID_SPYEXIT              = 0x0301,
+};
+
+struct send_message_timeout_params
+{
+    UINT flags;
+    UINT timeout;
+    DWORD_PTR result;
+};
+
+struct send_message_callback_params
+{
+    SENDASYNCPROC callback;
+    ULONG_PTR data;
 };
 
 /* color index used to retrieve system 55aa brush */
@@ -582,8 +597,8 @@ INT     WINAPI NtUserInternalGetWindowText( HWND hwnd, WCHAR *text, INT count );
 BOOL    WINAPI NtUserIsClipboardFormatAvailable( UINT format );
 BOOL    WINAPI NtUserKillTimer( HWND hwnd, UINT_PTR id );
 UINT    WINAPI NtUserMapVirtualKeyEx( UINT code, UINT type, HKL layout );
-BOOL    WINAPI NtUserMessageCall( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
-                                  ULONG_PTR result_info, DWORD type, BOOL ansi );
+LRESULT WINAPI NtUserMessageCall( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam,
+                                  void *result_info, DWORD type, BOOL ansi );
 BOOL    WINAPI NtUserMoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy, BOOL repaint );
 DWORD   WINAPI NtUserMsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
                                                   DWORD timeout, DWORD mask, DWORD flags );