reactos/dll/cpl/input/layout_list.c

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/*
* PROJECT: input.dll
* FILE: dll/cpl/input/layout_list.c
* PURPOSE: input.dll
* PROGRAMMER: Dmitry Chapyshev (dmitry@reactos.org)
*/
#include "layout_list.h"
static LAYOUT_LIST_NODE *_LayoutList = NULL;
static LAYOUT_LIST_NODE*
LayoutList_AppendNode(DWORD dwId, DWORD dwSpecialId, const WCHAR *pszName)
{
LAYOUT_LIST_NODE *pCurrent;
LAYOUT_LIST_NODE *pNew;
if (pszName == NULL)
return NULL;
pCurrent = _LayoutList;
pNew = (LAYOUT_LIST_NODE*)malloc(sizeof(LAYOUT_LIST_NODE));
if (pNew == NULL)
return NULL;
ZeroMemory(pNew, sizeof(LAYOUT_LIST_NODE));
pNew->pszName = _wcsdup(pszName);
if (pNew->pszName == NULL)
{
free(pNew);
return NULL;
}
pNew->dwId = dwId;
pNew->dwSpecialId = dwSpecialId;
if (pCurrent == NULL)
{
_LayoutList = pNew;
}
else
{
while (pCurrent->pNext != NULL)
{
pCurrent = pCurrent->pNext;
}
pNew->pPrev = pCurrent;
pCurrent->pNext = pNew;
}
return pNew;
}
VOID
LayoutList_Destroy(VOID)
{
LAYOUT_LIST_NODE *pCurrent;
if (_LayoutList == NULL)
return;
pCurrent = _LayoutList;
while (pCurrent != NULL)
{
LAYOUT_LIST_NODE *pNext = pCurrent->pNext;
free(pCurrent->pszName);
free(pCurrent);
pCurrent = pNext;
}
_LayoutList = NULL;
}
VOID
LayoutList_Create(VOID)
{
WCHAR szSystemDirectory[MAX_PATH];
WCHAR szLayoutId[MAX_PATH];
DWORD dwIndex = 0;
DWORD dwSize;
HKEY hKey;
if (!GetSystemDirectoryW(szSystemDirectory, ARRAYSIZE(szSystemDirectory)))
{
return;
}
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
L"SYSTEM\\CurrentControlSet\\Control\\Keyboard Layouts",
0,
KEY_ENUMERATE_SUB_KEYS,
&hKey) != ERROR_SUCCESS)
{
return;
}
dwSize = ARRAYSIZE(szLayoutId);
while (RegEnumKeyExW(hKey, dwIndex, szLayoutId, &dwSize,
NULL, NULL, NULL, NULL) == ERROR_SUCCESS)
{
HKEY hLayoutKey;
if (RegOpenKeyExW(hKey,
szLayoutId,
0,
KEY_QUERY_VALUE,
&hLayoutKey) == ERROR_SUCCESS)
{
WCHAR szBuffer[MAX_PATH];
dwSize = sizeof(szBuffer);
if (RegQueryValueExW(hLayoutKey,
L"Layout File",
NULL, NULL,
(LPBYTE)szBuffer, &dwSize) == ERROR_SUCCESS)
{
WCHAR szFilePath[MAX_PATH];
StringCchPrintfW(szFilePath, ARRAYSIZE(szFilePath),
L"%s\\%s", szSystemDirectory, szBuffer);
if (GetFileAttributesW(szFilePath) != INVALID_FILE_ATTRIBUTES)
{
DWORD dwSpecialId = 0;
dwSize = sizeof(szBuffer);
if (RegQueryValueExW(hLayoutKey,
L"Layout Id",
NULL, NULL,
(LPBYTE)szBuffer, &dwSize) == ERROR_SUCCESS)
{
dwSpecialId = DWORDfromString(szBuffer);
}
dwSize = sizeof(szBuffer);
if (RegQueryValueExW(hLayoutKey,
L"Layout Display Name",
NULL, NULL,
(LPBYTE)szBuffer, &dwSize) == ERROR_SUCCESS &&
szBuffer[0] == L'@')
{
WCHAR *pBuffer;
WCHAR *pIndex;
/* Move to the position after the character "@" */
pBuffer = szBuffer + 1;
/* Get a pointer to the beginning ",-" */
pIndex = wcsstr(pBuffer, L",-");
if (pIndex != NULL)
{
WCHAR szPath[MAX_PATH];
INT iIndex;
/* Convert the number in the string after the ",-" */
iIndex = _wtoi(pIndex + 2);
pIndex[0] = 0;
if (ExpandEnvironmentStringsW(pBuffer, szPath, ARRAYSIZE(szPath)) != 0)
{
HANDLE hHandle;
hHandle = LoadLibraryW(szPath);
if (hHandle != NULL)
{
INT iLength = LoadStringW(hHandle, iIndex, szBuffer, ARRAYSIZE(szBuffer));
FreeLibrary(hHandle);
if (iLength != 0)
{
DWORD dwLayoutId = DWORDfromString(szLayoutId);
LayoutList_AppendNode(dwLayoutId, dwSpecialId, szBuffer);
}
else
{
goto NotTranslated;
}
}
else
{
goto NotTranslated;
}
}
else
{
goto NotTranslated;
}
}
else
{
goto NotTranslated;
}
}
else
{
NotTranslated:
dwSize = sizeof(szBuffer);
if (RegQueryValueExW(hLayoutKey,
L"Layout Text",
NULL, NULL,
(LPBYTE)szBuffer, &dwSize) == ERROR_SUCCESS)
{
DWORD dwLayoutId = DWORDfromString(szLayoutId);
LayoutList_AppendNode(dwLayoutId, dwSpecialId, szBuffer);
}
}
}
}
RegCloseKey(hLayoutKey);
}
dwSize = ARRAYSIZE(szLayoutId);
++dwIndex;
}
RegCloseKey(hKey);
}
LAYOUT_LIST_NODE*
LayoutList_GetByHkl(HKL hkl)
{
LAYOUT_LIST_NODE *pCurrent;
if ((HIWORD(hkl) & 0xF000) == 0xF000)
{
DWORD dwSpecialId = (HIWORD(hkl) & 0x0FFF);
for (pCurrent = _LayoutList; pCurrent != NULL; pCurrent = pCurrent->pNext)
{
if (dwSpecialId == pCurrent->dwSpecialId)
{
return pCurrent;
}
}
}
else
{
for (pCurrent = _LayoutList; pCurrent != NULL; pCurrent = pCurrent->pNext)
{
if (HIWORD(hkl) == LOWORD(pCurrent->dwId))
{
return pCurrent;
}
}
}
return NULL;
}
LAYOUT_LIST_NODE*
LayoutList_GetFirst(VOID)
{
return _LayoutList;
}