dll/cpl/input/locale_list.c

   1 /*
   2  * PROJECT:         input.dll
   3  * FILE:            dll/cpl/input/locale_list.c
   4  * PURPOSE:         input.dll
   5  * PROGRAMMER:      Dmitry Chapyshev (dmitry@reactos.org)
   6  */
   7
   8 #include "locale_list.h"
   9
  10
  11 static LOCALE_LIST_NODE *_LocaleList = NULL;
  12
  13
  14 static LOCALE_LIST_NODE*
  15 LocaleList_Append(DWORD dwId, const WCHAR *pszName)
  16 {
  17     LOCALE_LIST_NODE *pCurrent;
  18     LOCALE_LIST_NODE *pNew;
  19
  20     if (pszName == NULL)
  21         return NULL;
  22
  23     pCurrent = _LocaleList;
  24
  25     pNew = (LOCALE_LIST_NODE*)malloc(sizeof(LOCALE_LIST_NODE));
  26     if (pNew == NULL)
  27         return NULL;
  28
  29     ZeroMemory(pNew, sizeof(LOCALE_LIST_NODE));
  30
  31     pNew->pszName = _wcsdup(pszName);
  32     if (pNew->pszName == NULL)
  33     {
  34         free(pNew);
  35         return NULL;
  36     }
  37
  38     pNew->dwId = dwId;
  39
  40     if (pCurrent == NULL)
  41     {
  42         _LocaleList = pNew;
  43     }
  44     else
  45     {
  46         while (pCurrent->pNext != NULL)
  47         {
  48             pCurrent = pCurrent->pNext;
  49         }
  50
  51         pNew->pPrev = pCurrent;
  52         pCurrent->pNext = pNew;
  53     }
  54
  55     return pNew;
  56 }
  57
  58
  59 VOID
  60 LocaleList_Destroy(VOID)
  61 {
  62     LOCALE_LIST_NODE *pCurrent;
  63
  64     if (_LocaleList == NULL)
  65         return;
  66
  67     pCurrent = _LocaleList;
  68
  69     while (pCurrent != NULL)
  70     {
  71         LOCALE_LIST_NODE *pNext = pCurrent->pNext;
  72
  73         free(pCurrent->pszName);
  74         free(pCurrent);
  75
  76         pCurrent = pNext;
  77     }
  78
  79     _LocaleList = NULL;
  80 }
  81
  82
  83 LOCALE_LIST_NODE*
  84 LocaleList_Create(VOID)
  85 {
  86     WCHAR szValue[MAX_PATH];
  87     DWORD dwIndex;
  88     DWORD dwSize;
  89     HKEY hKey;
  90
  91     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
  92                       L"SYSTEM\\CurrentControlSet\\Control\\Nls\\Language",
  93                       0,
  94                       KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE,
  95                       &hKey) != ERROR_SUCCESS)
  96     {
  97         return NULL;
  98     }
  99
 100     dwSize = ARRAYSIZE(szValue);
 101     dwIndex = 0;
 102
 103     while (RegEnumValueW(hKey, dwIndex, szValue, &dwSize,
 104                          NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
 105     {
 106         WCHAR szName[MAX_STR_LEN];
 107         DWORD dwId;
 108
 109         dwId = DWORDfromString(szValue);
 110
 111         if (GetLocaleInfoW(LOWORD(dwId),
 112                            LOCALE_SLANGUAGE,
 113                            szName, ARRAYSIZE(szName)))
 114         {
 115             LocaleList_Append(dwId, szName);
 116         }
 117
 118         dwSize = ARRAYSIZE(szValue);
 119         ++dwIndex;
 120     }
 121
 122     RegCloseKey(hKey);
 123
 124     return _LocaleList;
 125 }
 126
 127
 128 LOCALE_LIST_NODE*
 129 LocaleList_GetByHkl(HKL hkl)
 130 {
 131     LOCALE_LIST_NODE *pCurrent;
 132
 133     for (pCurrent = _LocaleList; pCurrent != NULL; pCurrent = pCurrent->pNext)
 134     {
 135         if (LOWORD(pCurrent->dwId) == LOWORD(hkl))
 136         {
 137             return pCurrent;
 138         }
 139     }
 140
 141     return NULL;
 142 }
 143
 144
 145 LOCALE_LIST_NODE*
 146 LocaleList_GetFirst(VOID)
 147 {
 148     return _LocaleList;
 149 }