hhctrl.ocx: Add support for the CHM code page.

dlls/hhctrl.ocx/chm.c

diff --git a/dlls/hhctrl.ocx/chm.c b/dlls/hhctrl.ocx/chm.c
index f040e5d..f051feb 100644
--- a/dlls/hhctrl.ocx/chm.c
+++ b/dlls/hhctrl.ocx/chm.c
@@ -133,6 +133,13 @@
             heap_free(chm->defTitle);
             chm->defTitle = strdupnAtoW(buf, entry.len);
             break;
+        case 0x4:
+            /* TODO: Currently only the Locale ID is loaded from this field */
+            TRACE("Locale is: %d\n", *(LCID*)&buf[0]);
+            if(!GetLocaleInfoW(*(LCID*)&buf[0], LOCALE_IDEFAULTANSICODEPAGE|LOCALE_RETURN_NUMBER,
+                               (WCHAR *)&chm->codePage, sizeof(chm->codePage)/sizeof(WCHAR)))
+                chm->codePage = CP_ACP;
+            break;
         case 0x5:
             TRACE("Default window is %s\n", debugstr_an(buf, entry.len));
             break;
@@ -416,6 +423,7 @@
 
     if (!(ret = heap_alloc_zero(sizeof(CHMInfo))))
         return NULL;
+    ret->codePage = CP_ACP;
 
     if (!(ret->szFile = strdupW(szFile))) {
         heap_free(ret);

dlls/hhctrl.ocx/content.c

diff --git a/dlls/hhctrl.ocx/content.c b/dlls/hhctrl.ocx/content.c
index e0ec794..d246c49 100644
--- a/dlls/hhctrl.ocx/content.c
+++ b/dlls/hhctrl.ocx/content.c
@@ -50,7 +50,7 @@
     }
 }
 
-static void parse_obj_node_param(ContentItem *item, ContentItem *hhc_root, const char *text)
+static void parse_obj_node_param(ContentItem *item, ContentItem *hhc_root, const char *text, UINT code_page)
 {
     const char *ptr;
     LPWSTR *param, merge;
@@ -89,11 +89,11 @@
         const char *local = strstr(ptr, "::")+2;
         int local_len = len-(local-ptr);
 
-        item->local = decode_html(local, local_len);
+        item->local = decode_html(local, local_len, code_page);
         param = &merge;
     }
 
-    *param = decode_html(ptr, len);
+    *param = decode_html(ptr, len, code_page);
 
     if(param == &merge) {
         SetChmPath(&item->merge, hhc_root->merge.chm_file, merge);
@@ -151,7 +151,7 @@
         if(!strcasecmp(node_name.buf, "/object"))
             break;
         if(!strcasecmp(node_name.buf, "param"))
-            parse_obj_node_param(item, hhc_root, node.buf);
+            parse_obj_node_param(item, hhc_root, node.buf, info->pCHMInfo->codePage);
 
         strbuf_zero(&node);
     }

dlls/hhctrl.ocx/help.c

diff --git a/dlls/hhctrl.ocx/help.c b/dlls/hhctrl.ocx/help.c
index 1726f05..ef41ec2 100644
--- a/dlls/hhctrl.ocx/help.c
+++ b/dlls/hhctrl.ocx/help.c
@@ -1793,7 +1793,7 @@
 /*
  * Decode a string containing HTML encoded characters into a unicode string.
  */
-WCHAR *decode_html(const char *html_fragment, int html_fragment_len)
+WCHAR *decode_html(const char *html_fragment, int html_fragment_len, UINT code_page)
 {
     const char *h = html_fragment;
     char *amp, *sem, symbol, *tmp;
@@ -1850,9 +1850,9 @@
     tmp_len += len;
     tmp[tmp_len++] = 0; /* NULL-terminate the string */
 
-    len = MultiByteToWideChar(CP_ACP, 0, tmp, tmp_len, NULL, 0);
+    len = MultiByteToWideChar(code_page, 0, tmp, tmp_len, NULL, 0);
     unicode_text = heap_alloc(len*sizeof(WCHAR));
-    MultiByteToWideChar(CP_ACP, 0, tmp, tmp_len, unicode_text, len);
+    MultiByteToWideChar(code_page, 0, tmp, tmp_len, unicode_text, len);
     heap_free(tmp);
     return unicode_text;
 }

dlls/hhctrl.ocx/hhctrl.h

diff --git a/dlls/hhctrl.ocx/hhctrl.h b/dlls/hhctrl.ocx/hhctrl.h
index 599b6a5..73b2a6b 100644
--- a/dlls/hhctrl.ocx/hhctrl.h
+++ b/dlls/hhctrl.ocx/hhctrl.h
@@ -106,6 +106,8 @@
     WCHAR *defTopic;
     WCHAR *defTitle;
     WCHAR *defToc;
+
+    UINT codePage;
 } CHMInfo;
 
 #define TAB_CONTENTS   0
@@ -193,7 +195,7 @@
 
 LPCWSTR skip_schema(LPCWSTR url) DECLSPEC_HIDDEN;
 
-WCHAR *decode_html(const char *html_fragment, int html_fragment_len);
+WCHAR *decode_html(const char *html_fragment, int html_fragment_len, UINT code_page);
 
 /* memory allocation functions */
 

dlls/hhctrl.ocx/index.c

diff --git a/dlls/hhctrl.ocx/index.c b/dlls/hhctrl.ocx/index.c
index 3b5053a..3cf69de 100644
--- a/dlls/hhctrl.ocx/index.c
+++ b/dlls/hhctrl.ocx/index.c
@@ -62,7 +62,7 @@
  * sub-topic then there isn't really a sub-topic, the index will jump
  * directly to the requested item.
  */
-static void parse_index_obj_node_param(IndexItem *item, const char *text)
+static void parse_index_obj_node_param(IndexItem *item, const char *text, UINT code_page)
 {
     const char *ptr;
     LPWSTR *param;
@@ -109,7 +109,7 @@
         return;
     }
 
-    *param = decode_html(ptr, len);
+    *param = decode_html(ptr, len, code_page);
 }
 
 /* Parse the object tag corresponding to a list item.
@@ -137,7 +137,7 @@
         TRACE("%s\n", node.buf);
 
         if(!strcasecmp(node_name.buf, "param")) {
-            parse_index_obj_node_param(item, node.buf);
+            parse_index_obj_node_param(item, node.buf, info->pCHMInfo->codePage);
         }else if(!strcasecmp(node_name.buf, "/object")) {
             break;
         }else {