From d7289cf2e969844a210e6a1cdca84e1599cfed42 Mon Sep 17 00:00:00 2001
From: Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
Date: Wed, 10 Jul 2024 00:05:28 +0900
Subject: [PATCH] [BROWSEUI] AutoComplete: Close before opening IME candidates
 (#7115)

The auto-complete window and
the IME candidate window were
conflicting each other.
JIRA issue: CORE-19268
Call HideDropDown method
when processing
IMN_OPENCANDIDATE message.
---
 dll/win32/browseui/CAutoComplete.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dll/win32/browseui/CAutoComplete.cpp b/dll/win32/browseui/CAutoComplete.cpp
index 6bb970c87f8..434351c9365 100644
--- a/dll/win32/browseui/CAutoComplete.cpp
+++ b/dll/win32/browseui/CAutoComplete.cpp
@@ -21,6 +21,7 @@
  */
 
 #include "precomp.h"
+#include <imm.h> // For IMN_OPENCANDIDATE
 #include <process.h> // _beginthreadex
 
 /*
@@ -344,6 +345,10 @@ LRESULT CAutoComplete::EditWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM l
             if (hwndGotFocus != m_hwndEdit && hwndGotFocus != m_hWnd)
                 HideDropDown();
             break;
+        case WM_IME_NOTIFY:
+            if (wParam == IMN_OPENCANDIDATE)
+                HideDropDown();
+            break;
         case WM_SETTEXT:
             if (!m_bInSetText)
                 HideDropDown(); // it's mechanical WM_SETTEXT