[PATCH 2/2] user32: Set font charset to DEFAULT_CHARSET to support locale change.

[Dmitry Timoshkov]

Otherwise when the prefix was created with one locale and later an application
in the prefix is running with a different locale values cached in the registry
lead to broken UI.

Signed-off-by: Dmitry Timoshkov 
---
 dlls/user32/tests/sysparams.c | 4 ++--
 dlls/win32u/sysparams.c       | 4 ++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/dlls/user32/tests/sysparams.c b/dlls/user32/tests/sysparams.c
index e354ef69a94..6ab7010c4ed 100644
--- a/dlls/user32/tests/sysparams.c
+++ b/dlls/user32/tests/sysparams.c
@@ -4139,14 +4139,13 @@ static void test_LOGFONT_charset(void)

ret = SystemParametersInfoA(SPI_GETICONTITLELOGFONT, sizeof(lf), &lf, FALSE);
     ok(ret, "SystemParametersInfoW error %lu\n", GetLastError());
-    todo_wine
     ok(lf.lfCharSet == DEFAULT_CHARSET, "got %d\n", lf.lfCharSet);

ncm.cbSize = FIELD_OFFSET(NONCLIENTMETRICSA, iPaddedBorderWidth);
     ret = SystemParametersInfoA(SPI_GETNONCLIENTMETRICS, 0, &ncm, 0);
     ok(ret, "SystemParametersInfoW error %lu\n", GetLastError());
-    todo_wine
     ok(ncm.lfCaptionFont.lfCharSet == DEFAULT_CHARSET, "got %d\n", ncm.lfCaptionFont.lfCharSet);
+    ok(ncm.lfSmCaptionFont.lfCharSet == DEFAULT_CHARSET, "got %d\n", ncm.lfSmCaptionFont.lfCharSet);
 }

START_TEST(sysparams)
diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c
index 52665f7a641..879dffb58e2 100644
--- a/dlls/win32u/sysparams.c
+++ b/dlls/win32u/sysparams.c
@@ -3039,12 +3039,14 @@ static BOOL get_font_entry( union sysparam_all_entry *entry, UINT int_param, voi
         switch (load_entry( &entry->hdr, &font, sizeof(font) ))
         {
         case sizeof(font):
+            font.lfCharSet = DEFAULT_CHARSET; /* Support locale change */
             if (font.lfHeight > 0) /* positive height value means points ( inch/72 ) */
                 font.lfHeight = -muldiv( font.lfHeight, USER_DEFAULT_SCREEN_DPI, 72 );
             entry->font.val = font;
             break;
         case sizeof(LOGFONT16): /* win9x-winME format */
             logfont16to32( (LOGFONT16 *)&font, &entry->font.val );
+            entry->font.val.lfCharSet = DEFAULT_CHARSET; /* Support locale change */
             if (entry->font.val.lfHeight > 0)
                 entry->font.val.lfHeight = -muldiv( entry->font.val.lfHeight, USER_DEFAULT_SCREEN_DPI, 72 );
             break;
@@ -3055,6 +3057,7 @@ static BOOL get_font_entry( union sysparam_all_entry *entry, UINT int_param, voi
             /* fall through */
         case 0: /* use the default GUI font */
             NtGdiExtGetObjectW( GetStockObject( DEFAULT_GUI_FONT ), sizeof(font), &font );
+            font.lfCharSet = DEFAULT_CHARSET; /* Support locale change */
             font.lfHeight = map_from_system_dpi( font.lfHeight );
             font.lfWeight = entry->font.weight;
             entry->font.val = font;
@@ -3094,6 +3097,7 @@ static BOOL set_font_entry( union sysparam_all_entry *entry, UINT int_param, voi
 static BOOL init_font_entry( union sysparam_all_entry *entry )
 {
     NtGdiExtGetObjectW( GetStockObject( DEFAULT_GUI_FONT ), sizeof(entry->font.val), &entry->font.val );
+    entry->font.val.lfCharSet = DEFAULT_CHARSET; /* Support locale change */
     entry->font.val.lfHeight = map_from_system_dpi( entry->font.val.lfHeight );
     entry->font.val.lfWeight = entry->font.weight;
     get_real_fontname( &entry->font.val, entry->font.fullname );