From cf32c7cb5e8087f7c5ce40b8e9f7b4ac90897c80 Mon Sep 17 00:00:00 2001
From: Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
Date: Thu, 10 Feb 2022 15:05:59 +0900
Subject: [PATCH] [IMM32] Implement ImmSendMessageToActiveDefImeWndW

CORE-11700
---
 dll/win32/imm32/imm32.spec |  2 +-
 dll/win32/imm32/keymsg.c   | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/dll/win32/imm32/imm32.spec b/dll/win32/imm32/imm32.spec
index 956b8a7cee2..59fb8f37956 100644
--- a/dll/win32/imm32/imm32.spec
+++ b/dll/win32/imm32/imm32.spec
@@ -91,7 +91,7 @@
 @ stdcall ImmRequestMessageW(ptr ptr ptr)
 @ stdcall ImmSendIMEMessageExA(ptr ptr)
 @ stdcall ImmSendIMEMessageExW(ptr ptr)
-@ stub ImmSendMessageToActiveDefImeWndW
+@ stdcall ImmSendMessageToActiveDefImeWndW(long ptr ptr)
 @ stdcall ImmSetActiveContext(ptr ptr long)
 @ stdcall ImmSetActiveContextConsoleIME(ptr long)
 @ stdcall ImmSetCandidateWindow(ptr ptr)
diff --git a/dll/win32/imm32/keymsg.c b/dll/win32/imm32/keymsg.c
index 4273220d24b..a8fa1d84b83 100644
--- a/dll/win32/imm32/keymsg.c
+++ b/dll/win32/imm32/keymsg.c
@@ -1048,3 +1048,21 @@ LRESULT WINAPI ImmRequestMessageW(HIMC hIMC, WPARAM wParam, LPARAM lParam)
     TRACE("(%p, %p, %p)\n", hIMC, wParam, lParam);
     return Imm32RequestMessageAW(hIMC, wParam, lParam, FALSE);
 }
+
+/***********************************************************************
+ *              ImmSendMessageToActiveDefImeWndW (IMM32.@)
+ */
+LRESULT WINAPI
+ImmSendMessageToActiveDefImeWndW(UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+    HWND hwndIME;
+
+    if (uMsg != WM_COPYDATA)
+        return 0;
+
+    hwndIME = (HWND)NtUserQueryWindow((HWND)wParam, QUERY_WINDOW_DEFAULT_IME);
+    if (!hwndIME)
+        return 0;
+
+    return SendMessageW(hwndIME, uMsg, wParam, lParam);
+}