[reactos] 01/01: [NTUSER] Support SM_DBCSENABLED and SM_IMMENABLED (#4806)

[Katayama Hirofumi MZ]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=7a8ddbf1479f67f93225a…

commit 7a8ddbf1479f67f93225abf6c2a57a8aef6efcf5
Author:     Katayama Hirofumi MZ <katayama.hirofumi.mz(a)gmail.com>
AuthorDate: Thu Oct 27 21:53:58 2022 +0900
Commit:     GitHub <noreply(a)github.com>
CommitDate: Thu Oct 27 21:53:58 2022 +0900

    [NTUSER] Support SM_DBCSENABLED and SM_IMMENABLED (#4806)
    
    - Don't set SRVINFO_CICERO_ENABLED flag because we don't have Cicero support.
    - Improve UserGetSystemMetrics for SM_DBCSENABLED and SM_IMMENABLED.
    - Delete useless UserIsDBCSEnabled function.
    CORE-11700
---
 win32ss/user/ntuser/metric.c | 31 +++++++++++++------------------
 1 file changed, 13 insertions(+), 18 deletions(-)

diff --git a/win32ss/user/ntuser/metric.c b/win32ss/user/ntuser/metric.c
index a50d10df4c8..b9801486024 100644
--- a/win32ss/user/ntuser/metric.c
+++ b/win32ss/user/ntuser/metric.c
@@ -14,20 +14,6 @@ static BOOL Setup = FALSE;
 
 /* FUNCTIONS *****************************************************************/
 
-BOOL APIENTRY UserIsDBCSEnabled(VOID)
-{
-    switch (PRIMARYLANGID(gusLanguageID))
-    {
-        case LANG_CHINESE:
-        case LANG_JAPANESE:
-        case LANG_KOREAN:
-            return TRUE;
-
-        default:
-            return FALSE;
-    }
-}
-
 BOOL
 NTAPI
 InitMetrics(VOID)
@@ -164,12 +150,12 @@ InitMetrics(VOID)
     piSysMet[SM_NETWORK] = 3;
     piSysMet[SM_SLOWMACHINE] = 0;
     piSysMet[SM_SECURE] = 0;
-    piSysMet[SM_DBCSENABLED] = UserIsDBCSEnabled();
+    piSysMet[SM_DBCSENABLED] = NLS_MB_CODE_PAGE_TAG;
     piSysMet[SM_SHOWSOUNDS] = gspv.bShowSounds;
     piSysMet[SM_MIDEASTENABLED] = 0;
     piSysMet[SM_CMONITORS] = 1;
     piSysMet[SM_SAMEDISPLAYFORMAT] = 1;
-    piSysMet[SM_IMMENABLED] = 0;
+    piSysMet[SM_IMMENABLED] = NLS_MB_CODE_PAGE_TAG;
 
     /* Reserved */
     piSysMet[SM_RESERVED1] = 0;
@@ -183,7 +169,13 @@ InitMetrics(VOID)
     piSysMet[90] = 0;
 #endif
 
-    gpsi->dwSRVIFlags |= SRVINFO_CICERO_ENABLED;
+    /*gpsi->dwSRVIFlags |= SRVINFO_CICERO_ENABLED;*/ /* Cicero is not supported yet
*/
+
+    if (NLS_MB_CODE_PAGE_TAG) /* Is the system multi-byte codepage? */
+    {
+        gpsi->dwSRVIFlags |= (SRVINFO_DBCSENABLED | SRVINFO_IMM32); /* DBCS+IME
Support */
+    }
+
     Setup = TRUE;
 
     return TRUE;
@@ -198,7 +190,10 @@ UserGetSystemMetrics(ULONG Index)
     TRACE("UserGetSystemMetrics(%lu)\n", Index);
 
     if (Index == SM_DBCSENABLED)
-        return UserIsDBCSEnabled();
+        return !!(gpsi->dwSRVIFlags & SRVINFO_DBCSENABLED);
+
+    if (Index == SM_IMMENABLED)
+        return !!(gpsi->dwSRVIFlags & SRVINFO_IMM32);
 
     /* Get metrics from array */
     if (Index < SM_CMETRICS)