Rémi Bernon : imm32: Update HIMC private data when selecting IME.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: de4323611a232fd0cd25c59625ff08af91c75a8f
URL:    https://gitlab.winehq.org/wine/wine/-/commit/de4323611a232fd0cd25c59625ff08a...

Author: Rémi Bernon 
Date:   Tue Mar 28 09:27:28 2023 +0200

imm32: Update HIMC private data when selecting IME.

---

dlls/imm32/imm.c | 30 +++++++++---------------------
 1 file changed, 9 insertions(+), 21 deletions(-)

diff --git a/dlls/imm32/imm.c b/dlls/imm32/imm.c
index 473f1927753..04bfc461658 100644
--- a/dlls/imm32/imm.c
+++ b/dlls/imm32/imm.c
@@ -571,6 +571,7 @@ static void imc_select_hkl( struct imc *imc, HKL hkl )
         if (imc->ime->hkl == hkl) return;
         imc->ime->pImeSelect( imc->handle, FALSE );
         ime_release( imc->ime );
+        ImmDestroyIMCC( imc->IMC.hPrivate );
     }

if (!hkl)
@@ -578,7 +579,13 @@ static void imc_select_hkl( struct imc *imc, HKL hkl )
     else if (!(imc->ime = ime_acquire( hkl )))
         WARN( "Failed to acquire IME for HKL %p\n", hkl );
     else
+    {
+        if (!(imc->IMC.hPrivate = ImmCreateIMCC( imc->ime->info.dwPrivateDataSize )))
+            WARN( "Failed to allocate IME private data for IMC %p\n", imc );
+        imc->IMC.fdwConversion = imc->ime->info.fdwConversionCaps;
+        imc->IMC.fdwSentence = imc->ime->info.fdwSentenceCaps;
         imc->ime->pImeSelect( imc->handle, TRUE );
+    }
 }

static BOOL CALLBACK enum_activate_layout( HIMC himc, LPARAM lparam )
@@ -872,15 +879,7 @@ static struct imc *create_input_context( HIMC default_imc )
     LPCANDIDATEINFO ci;
     int i;

-    new_context = calloc( 1, sizeof(*new_context) );
-
-    /* Load the IME */
-    if (!(new_context->ime = ime_acquire( GetKeyboardLayout( 0 ) )))
-    {
-        TRACE("IME dll could not be loaded\n");
-        free( new_context );
-        return 0;
-    }
+    if (!(new_context = calloc( 1, sizeof(*new_context) ))) return NULL;

/* the HIMCCs are never NULL */
     new_context->IMC.hCompStr = ImmCreateBlankCompStr();
@@ -899,12 +898,6 @@ static struct imc *create_input_context( HIMC default_imc )
     for (i = 0; i < ARRAY_SIZE(new_context->IMC.cfCandForm); i++)
         new_context->IMC.cfCandForm[i].dwIndex = ~0u;

-    /* Initialize the IME Private */
-    new_context->IMC.hPrivate = ImmCreateIMCC( new_context->ime->info.dwPrivateDataSize );
-
-    new_context->IMC.fdwConversion = new_context->ime->info.fdwConversionCaps;
-    new_context->IMC.fdwSentence = new_context->ime->info.fdwSentenceCaps;
-
     if (!default_imc)
         new_context->handle = NtUserCreateInputContext((UINT_PTR)new_context);
     else if (NtUserUpdateInputContext(default_imc, NtUserInputContextClientPtr, (UINT_PTR)new_context))
@@ -915,12 +908,7 @@ static struct imc *create_input_context( HIMC default_imc )
         return 0;
     }

-    if (!new_context->ime->pImeSelect( new_context->handle, TRUE ))
-    {
-        TRACE("Selection of IME failed\n");
-        IMM_DestroyContext(new_context);
-        return 0;
-    }
+    imc_select_hkl( new_context, GetKeyboardLayout( 0 ) );
     SendMessageW( GetFocus(), WM_IME_SELECT, TRUE, (LPARAM)new_context->ime );

TRACE("Created context %p\n", new_context);