[reactos] 01/01: [IMM32] Implement CtfImmTIMCreateInputContext

[Katayama Hirofumi MZ]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=90e17817fed7be025617c…

commit 90e17817fed7be025617c296ee66ca0240b3f700
Author:     Katayama Hirofumi MZ <katayama.hirofumi.mz(a)gmail.com>
AuthorDate: Sun Nov 26 09:20:07 2023 +0900
Commit:     Katayama Hirofumi MZ <katayama.hirofumi.mz(a)gmail.com>
CommitDate: Sun Nov 26 09:20:07 2023 +0900

    [IMM32] Implement CtfImmTIMCreateInputContext
    
    CORE-19268
---
 dll/win32/imm32/ctf.c | 46 +++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 45 insertions(+), 1 deletion(-)

diff --git a/dll/win32/imm32/ctf.c b/dll/win32/imm32/ctf.c
index a1768d2d659..dd325d472f7 100644
--- a/dll/win32/imm32/ctf.c
+++ b/dll/win32/imm32/ctf.c
@@ -410,8 +410,52 @@ HRESULT
 CtfImmTIMCreateInputContext(
     _In_ HIMC hIMC)
 {
+    PCLIENTIMC pClientImc;
+    DWORD_PTR dwImeThreadId, dwCurrentThreadId;
+    HRESULT hr = S_FALSE;
+
     TRACE("(%p)\n", hIMC);
-    return E_NOTIMPL;
+
+    pClientImc = ImmLockClientImc(hIMC);
+    if (!pClientImc)
+        return E_FAIL;
+
+    if (GetWin32ClientInfo()->CI_flags & CI_AIMMACTIVATED)
+    {
+        if (!pClientImc->bUnknown4)
+        {
+            dwImeThreadId = NtUserQueryInputContext(hIMC, QIC_INPUTTHREADID);
+            dwCurrentThreadId = GetCurrentThreadId();
+            if (dwImeThreadId == dwCurrentThreadId)
+            {
+                pClientImc->bUnknown4 = 1;
+                hr = CtfImeCreateInputContext(hIMC);
+                if (FAILED(hr))
+                    pClientImc->bUnknown4 = 0;
+            }
+        }
+    }
+    else
+    {
+        if (!(GetWin32ClientInfo()->CI_flags & 0x100))
+            return S_OK;
+
+        if (!pClientImc->bUnknown4)
+        {
+            dwImeThreadId = NtUserQueryInputContext(hIMC, QIC_INPUTTHREADID);
+            dwCurrentThreadId = GetCurrentThreadId();
+            if ((dwImeThreadId == dwCurrentThreadId) && IS_CICERO_MODE()
&& !IS_16BIT_MODE())
+            {
+                pClientImc->bUnknown4 = 1;
+                hr = CtfImeCreateInputContext(hIMC);
+                if (FAILED(hr))
+                    pClientImc->bUnknown4 = 0;
+            }
+        }
+    }
+
+    ImmUnlockClientImc(pClientImc);
+    return hr;
 }
 
 /***********************************************************************