dll/cpl/intl/kblayouts.c

   1 /*
   2  * PROJECT:         ReactOS International Control Panel
   3  * FILE:            dll/cpl/intl/kblayouts.c
   4  * PURPOSE:         Functions for manipulation with keyboard layouts
   5  * PROGRAMMER:      Dmitry Chapyshev (dmitry@reactos.org)
   6  */
   7
   8 #include "intl.h"
   9
  10 /* Character Count of a layout ID like "00000409" */
  11 #define CCH_LAYOUT_ID    8
  12
  13 /* Maximum Character Count of a ULONG in decimal */
  14 #define CCH_ULONG_DEC    10
  15
  16
  17 /* szLayoutID like 00000409, szLangID like 00000409 */
  18 static BOOL
  19 IsLayoutExists(PWSTR szLayoutID, PWSTR szLangID)
  20 {
  21     HKEY hKey, hSubKey;
  22     WCHAR szPreload[CCH_LAYOUT_ID + 1], szLayoutNum[3 + 1],
  23           szTmp[CCH_LAYOUT_ID + 1], szOldLangID[CCH_LAYOUT_ID + 1];
  24     DWORD dwIndex = 0, dwType, dwSize;
  25     BOOL IsLangExists = FALSE;
  26     LANGID langid;
  27
  28     if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Keyboard Layout\\Preload",
  29         0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
  30     {
  31         dwSize = sizeof(szLayoutNum);
  32
  33         while (RegEnumValueW(hKey, dwIndex, szLayoutNum, &dwSize, NULL, &dwType, NULL, NULL) == ERROR_SUCCESS)
  34         {
  35             dwSize = sizeof(szPreload);
  36             if (RegQueryValueExW(hKey, szLayoutNum, NULL, NULL, (LPBYTE)szPreload, &dwSize) != ERROR_SUCCESS)
  37             {
  38                 RegCloseKey(hKey);
  39                 return FALSE;
  40             }
  41
  42             langid = (LANGID)wcstoul(szPreload, NULL, 16);
  43             GetLocaleInfoW(langid, LOCALE_ILANGUAGE, szTmp, sizeof(szTmp) / sizeof(WCHAR));
  44             wsprintf(szOldLangID, L"0000%s", szTmp);
  45
  46             if (wcscmp(szOldLangID, szLangID) == 0)
  47                 IsLangExists = TRUE;
  48             else
  49                 IsLangExists = FALSE;
  50
  51             if (szPreload[0] == 'd')
  52             {
  53                 if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Keyboard Layout\\Substitutes",
  54                                  0, KEY_QUERY_VALUE, &hSubKey) == ERROR_SUCCESS)
  55                 {
  56                     dwSize = sizeof(szTmp);
  57                     RegQueryValueExW(hSubKey, szPreload, NULL, NULL, (LPBYTE)szTmp, &dwSize);
  58
  59                     if ((wcscmp(szTmp, szLayoutID) == 0)&&(IsLangExists))
  60                     {
  61                         RegCloseKey(hSubKey);
  62                         RegCloseKey(hKey);
  63                         return TRUE;
  64                     }
  65                 }
  66             }
  67             else
  68             {
  69                 if ((wcscmp(szPreload, szLayoutID) == 0) && (IsLangExists))
  70                 {
  71                     RegCloseKey(hKey);
  72                     return TRUE;
  73                 }
  74             }
  75
  76             IsLangExists = FALSE;
  77             dwSize = sizeof(szLayoutNum);
  78             dwIndex++;
  79         }
  80
  81         RegCloseKey(hKey);
  82     }
  83
  84     return FALSE;
  85 }
  86
  87 static INT
  88 GetLayoutCount(PWSTR szLang)
  89 {
  90     HKEY hKey;
  91     WCHAR szLayoutID[3 + 1], szPreload[CCH_LAYOUT_ID + 1], szLOLang[MAX_PATH];
  92     DWORD dwIndex = 0, dwType, dwSize;
  93     UINT Count = 0, i, j;
  94
  95     if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Keyboard Layout\\Preload",
  96         0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
  97     {
  98         dwSize = sizeof(szLayoutID);
  99
 100         while (RegEnumValue(hKey, dwIndex, szLayoutID, &dwSize, NULL, &dwType, NULL, NULL) == ERROR_SUCCESS)
 101         {
 102             dwSize = sizeof(szPreload);
 103             RegQueryValueExW(hKey, szLayoutID, NULL, NULL, (LPBYTE)szPreload, &dwSize);
 104
 105             for (i = 4, j = 0; i < wcslen(szPreload)+1; i++, j++)
 106                 szLOLang[j] = szPreload[i];
 107
 108             if (wcscmp(szLOLang, szLang) == 0) Count += 1;
 109
 110             dwSize = sizeof(szLayoutID);
 111             dwIndex++;
 112         }
 113
 114         RegCloseKey(hKey);
 115     }
 116
 117     return Count;
 118 }
 119
 120 /* szLayoutID like 00000409, szLangID like 00000409 */
 121 static BOOL
 122 AddNewLayout(PWSTR szLayoutID, PWSTR szLangID)
 123 {
 124     WCHAR NewLayout[CCH_ULONG_DEC + 1], Lang[MAX_PATH],
 125           LangID[CCH_LAYOUT_ID + 1], SubPath[CCH_LAYOUT_ID + 1];
 126     HKEY hKey, hSubKey;
 127     DWORD cValues;
 128     LCID lcid;
 129
 130     if (RegOpenKeyExW(HKEY_CURRENT_USER, L"Keyboard Layout\\Preload", 0, KEY_ALL_ACCESS, &hKey) == ERROR_SUCCESS)
 131     {
 132         if (RegQueryInfoKey(hKey, NULL, NULL, NULL, NULL, NULL, NULL, &cValues, NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
 133         {
 134             _ultow(cValues + 1, NewLayout, 10);
 135
 136             lcid = wcstoul(szLangID, NULL, 16);
 137
 138             GetLocaleInfoW(MAKELCID(lcid, SORT_DEFAULT), LOCALE_ILANGUAGE, Lang, sizeof(Lang) / sizeof(WCHAR));
 139             wsprintf(LangID, L"0000%s", Lang);
 140
 141             if (IsLayoutExists(szLayoutID, LangID))
 142             {
 143                 RegCloseKey(hKey);
 144                 return FALSE;
 145             }
 146
 147             if (GetLayoutCount(Lang) >= 1)
 148             {
 149                 wsprintf(SubPath, L"d%03d%s", GetLayoutCount(Lang), Lang);
 150             }
 151             else if ((wcscmp(LangID, szLayoutID) != 0) && (GetLayoutCount(Lang) == 0))
 152             {
 153                 wsprintf(SubPath, L"d%03d%s", 0, Lang);
 154             }
 155             else SubPath[0] = L'\0';
 156
 157             if (wcslen(SubPath) != 0)
 158             {
 159                 if (RegCreateKeyExW(HKEY_CURRENT_USER, L"Keyboard Layout\\Substitutes", 0, NULL,
 160                                     REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS,
 161                                     NULL, &hSubKey, NULL) == ERROR_SUCCESS)
 162                 {
 163                     if (RegSetValueExW(hSubKey, SubPath, 0, REG_SZ, (LPBYTE)szLayoutID,
 164                                        (DWORD)((CCH_LAYOUT_ID + 1) * sizeof(WCHAR))) != ERROR_SUCCESS)
 165                     {
 166                         RegCloseKey(hSubKey);
 167                         RegCloseKey(hKey);
 168                         return FALSE;
 169                     }
 170                     RegCloseKey(hSubKey);
 171                 }
 172                 lstrcpy(szLayoutID, SubPath);
 173             }
 174
 175             RegSetValueExW(hKey,
 176                            NewLayout,
 177                            0,
 178                            REG_SZ,
 179                            (LPBYTE)szLayoutID,
 180                            (DWORD)((CCH_LAYOUT_ID + 1) * sizeof(WCHAR)));
 181         }
 182         RegCloseKey(hKey);
 183     }
 184
 185     return TRUE;
 186 }
 187
 188 VOID
 189 AddNewKbLayoutsByLcid(LCID Lcid)
 190 {
 191     HINF hIntlInf;
 192     WCHAR szLang[CCH_LAYOUT_ID + 1], szLangID[CCH_LAYOUT_ID + 1];
 193     WCHAR szLangStr[MAX_STR_SIZE], szLayoutStr[MAX_STR_SIZE], szStr[MAX_STR_SIZE];
 194     INFCONTEXT InfContext;
 195     LONG Count;
 196     DWORD FieldCount, Index;
 197
 198     GetLocaleInfoW(MAKELCID(Lcid, SORT_DEFAULT), LOCALE_ILANGUAGE, szLang, sizeof(szLang) / sizeof(WCHAR));
 199     wsprintf(szLangID, L"0000%s", szLang);
 200
 201     hIntlInf = SetupOpenInfFileW(L"intl.inf", NULL, INF_STYLE_WIN4, NULL);
 202
 203     if (hIntlInf == INVALID_HANDLE_VALUE)
 204         return;
 205
 206     if (!SetupOpenAppendInfFile(NULL, hIntlInf, NULL))
 207     {
 208         SetupCloseInfFile(hIntlInf);
 209         hIntlInf = NULL;
 210         return;
 211     }
 212
 213     Count = SetupGetLineCount(hIntlInf, L"Locales");
 214     if (Count <= 0) return;
 215
 216     if (SetupFindFirstLine(hIntlInf, L"Locales", szLangID, &InfContext))
 217     {
 218         FieldCount = SetupGetFieldCount(&InfContext);
 219
 220         if (FieldCount != 0)
 221         {
 222             for (Index = 5; Index <= FieldCount; Index++)
 223             {
 224                 if (SetupGetStringField(&InfContext, Index, szStr, MAX_STR_SIZE, NULL))
 225                 {
 226                     INT i, j;
 227
 228                     if (wcslen(szStr) != 13) continue;
 229
 230                     wsprintf(szLangStr, L"0000%s", szStr);
 231                     szLangStr[8] = L'\0';
 232
 233                     for (i = 5, j = 0; i <= wcslen(szStr); i++, j++)
 234                         szLayoutStr[j] = szStr[i];
 235
 236                     AddNewLayout(szLayoutStr, szLangStr);
 237                 }
 238             }
 239         }
 240     }
 241     SetupCloseInfFile(hIntlInf);
 242 }