reactos/base/applications/msconfig_new/utils.c

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/*
* PROJECT: ReactOS Applications
* LICENSE: LGPL - See COPYING in the top level directory
* FILE: base/applications/msconfig_new/utils.c
* PURPOSE: Memory Management, Resources, ... Utility Functions
* COPYRIGHT: Copyright 2011-2012 Hermes BELUSCA - MAITO <hermes.belusca@sfr.fr>
*/
#include "precomp.h"
#include "utils.h"
#include "stringutils.h"
// HANDLE g_hHeap = GetProcessHeap();
#define g_hHeap GetProcessHeap()
#if 0
VOID
MemInit(IN HANDLE Heap)
{
/* Save the heap handle */
g_hHeap = Heap;
}
#endif
BOOL
MemFree(IN PVOID lpMem)
{
/* Free memory back into the heap */
return HeapFree(g_hHeap, 0, lpMem);
}
PVOID
MemAlloc(IN DWORD dwFlags,
IN DWORD dwBytes)
{
/* Allocate memory from the heap */
return HeapAlloc(g_hHeap, dwFlags, dwBytes);
}
LPWSTR
FormatDateTime(IN LPSYSTEMTIME pDateTime)
{
LPWSTR lpszDateTime = NULL;
int iDateBufSize, iTimeBufSize;
if (pDateTime == NULL) return NULL;
iDateBufSize = GetDateFormatW(LOCALE_USER_DEFAULT,
/* Only for Windows 7 : DATE_AUTOLAYOUT | */ DATE_SHORTDATE,
pDateTime,
NULL,
NULL,
0);
iTimeBufSize = GetTimeFormatW(LOCALE_USER_DEFAULT,
0,
pDateTime,
NULL,
NULL,
0);
if ( (iDateBufSize > 0) && (iTimeBufSize > 0) )
{
lpszDateTime = (LPWSTR)MemAlloc(0, (iDateBufSize + iTimeBufSize) * sizeof(WCHAR));
GetDateFormatW(LOCALE_USER_DEFAULT,
/* Only for Windows 7 : DATE_AUTOLAYOUT | */ DATE_SHORTDATE,
pDateTime,
NULL,
lpszDateTime,
iDateBufSize);
if (iDateBufSize > 0) lpszDateTime[iDateBufSize-1] = L' ';
GetTimeFormatW(LOCALE_USER_DEFAULT,
0,
pDateTime,
NULL,
lpszDateTime + iDateBufSize,
iTimeBufSize);
}
return lpszDateTime;
}
VOID
FreeDateTime(IN LPWSTR lpszDateTime)
{
if (lpszDateTime)
MemFree(lpszDateTime);
}
LPWSTR
LoadResourceStringEx(IN HINSTANCE hInstance,
IN UINT uID,
OUT size_t* pSize OPTIONAL)
{
LPWSTR lpszDestBuf = NULL, lpszResourceString = NULL;
size_t iStrSize = 0;
// When passing a zero-length buffer size, LoadString(...) returns a
// read-only pointer buffer to the program's resource string.
iStrSize = LoadStringW(hInstance, uID, (LPWSTR)&lpszResourceString, 0);
if ( lpszResourceString && ( (lpszDestBuf = (LPWSTR)MemAlloc(0, (iStrSize + 1) * sizeof(WCHAR))) != NULL ) )
{
wcsncpy(lpszDestBuf, lpszResourceString, iStrSize);
lpszDestBuf[iStrSize] = L'\0'; // NULL-terminate the string
if (pSize)
*pSize = iStrSize + 1;
}
else
{
if (pSize)
*pSize = 0;
}
return lpszDestBuf;
}
LPWSTR
LoadConditionalResourceStringEx(IN HINSTANCE hInstance,
IN BOOL bCondition,
IN UINT uIDifTrue,
IN UINT uIDifFalse,
IN size_t* pSize OPTIONAL)
{
return LoadResourceStringEx(hInstance,
(bCondition ? uIDifTrue : uIDifFalse),
pSize);
}
DWORD
RunCommand(IN LPCWSTR lpszCommand,
IN LPCWSTR lpszParameters,
IN INT nShowCmd)
{
DWORD dwRes;
DWORD dwNumOfChars;
LPWSTR lpszExpandedCommand;
dwNumOfChars = ExpandEnvironmentStringsW(lpszCommand, NULL, 0);
lpszExpandedCommand = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
ExpandEnvironmentStringsW(lpszCommand, lpszExpandedCommand, dwNumOfChars);
dwRes = (DWORD)ShellExecuteW(NULL, NULL /* and not L"open" !! */,
lpszExpandedCommand,
lpszParameters,
NULL, nShowCmd);
MemFree(lpszExpandedCommand);
return dwRes;
}
//////////////////// The following comes from MSDN samples ///////////////////
// https://msdn.microsoft.com/en-us/library/windows/desktop/dd162826(v=vs.85).aspx
//
//
// ClipOrCenterRectToMonitor
//
// The most common problem apps have when running on a
// multimonitor system is that they "clip" or "pin" windows
// based on the SM_CXSCREEN and SM_CYSCREEN system metrics.
// Because of app compatibility reasons these system metrics
// return the size of the primary monitor.
//
// This shows how you use the multi-monitor functions
// to do the same thing.
//
VOID ClipOrCenterRectToMonitor(LPRECT prc, UINT flags)
{
HMONITOR hMonitor;
MONITORINFO mi;
RECT rc;
int w = prc->right - prc->left;
int h = prc->bottom - prc->top;
//
// Get the nearest monitor to the passed rect.
//
hMonitor = MonitorFromRect(prc, MONITOR_DEFAULTTONEAREST);
//
// Get the work area or entire monitor rect.
//
mi.cbSize = sizeof(mi);
GetMonitorInfo(hMonitor, &mi);
if (flags & MONITOR_WORKAREA)
rc = mi.rcWork;
else
rc = mi.rcMonitor;
//
// Center or clip the passed rect to the monitor rect.
//
if (flags & MONITOR_CENTER)
{
prc->left = rc.left + (rc.right - rc.left - w) / 2;
prc->top = rc.top + (rc.bottom - rc.top - h) / 2;
prc->right = prc->left + w;
prc->bottom = prc->top + h;
}
else
{
prc->left = max(rc.left, min(rc.right-w, prc->left));
prc->top = max(rc.top, min(rc.bottom-h, prc->top));
prc->right = prc->left + w;
prc->bottom = prc->top + h;
}
}
VOID ClipOrCenterWindowToMonitor(HWND hWnd, UINT flags)
{
RECT rc;
GetWindowRect(hWnd, &rc);
ClipOrCenterRectToMonitor(&rc, flags);
SetWindowPos(hWnd, NULL, rc.left, rc.top, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
}
////////////////////////////////////////////////////////////////////////////////
BOOL IsWindowsOS(VOID)
{
BOOL bIsWindowsOS = FALSE;
OSVERSIONINFOW osvi = {0};
osvi.dwOSVersionInfoSize = sizeof(osvi);
if (!GetVersionExW(&osvi))
return FALSE;
if (osvi.dwPlatformId != VER_PLATFORM_WIN32_NT)
return FALSE;
/* ReactOS reports as Windows NT 5.2 */
if ( (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion >= 2) ||
(osvi.dwMajorVersion > 5) )
{
HKEY hKey = NULL;
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
{
LONG ret;
DWORD dwType = 0, dwBufSize = 0;
ret = RegQueryValueExW(hKey, L"ProductName", NULL, &dwType, NULL, &dwBufSize);
if (ret == ERROR_SUCCESS && dwType == REG_SZ)
{
LPTSTR lpszProductName = (LPTSTR)MemAlloc(0, dwBufSize);
RegQueryValueExW(hKey, L"ProductName", NULL, &dwType, (LPBYTE)lpszProductName, &dwBufSize);
bIsWindowsOS = (FindSubStrI(lpszProductName, _T("Windows")) != NULL);
MemFree(lpszProductName);
}
RegCloseKey(hKey);
}
}
else
{
bIsWindowsOS = TRUE;
}
return bIsWindowsOS;
}
BOOL IsPreVistaOSVersion(VOID)
{
OSVERSIONINFOW osvi = {0};
osvi.dwOSVersionInfoSize = sizeof(osvi);
if (!GetVersionExW(&osvi))
return FALSE;
/* Vista+-class OSes are NT >= 6 */
return ( (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) ? (osvi.dwMajorVersion < 6) : FALSE );
}
LPWSTR
GetExecutableVendor(IN LPCWSTR lpszFilename)
{
LPWSTR lpszVendor = NULL;
DWORD dwHandle = 0;
DWORD dwLen;
LPVOID lpData;
LPVOID pvData = NULL;
UINT BufLen = 0;
WORD wCodePage = 0, wLangID = 0;
LPWSTR lpszStrFileInfo = NULL;
LPWSTR lpszData = NULL;
if (lpszFilename == NULL) return NULL;
dwLen = GetFileVersionInfoSizeW(lpszFilename, &dwHandle);
if (dwLen == 0) return NULL;
lpData = MemAlloc(0, dwLen);
if (!lpData) return NULL;
GetFileVersionInfoW(lpszFilename, dwHandle, dwLen, lpData);
if (VerQueryValueW(lpData, L"\\VarFileInfo\\Translation", &pvData, &BufLen))
{
wCodePage = LOWORD(*(DWORD*)pvData);
wLangID = HIWORD(*(DWORD*)pvData);
lpszStrFileInfo = FormatString(L"StringFileInfo\\%04X%04X\\CompanyName",
wCodePage,
wLangID);
}
VerQueryValueW(lpData, lpszStrFileInfo, (LPVOID*)&lpszData, &BufLen);
if (lpszData)
{
lpszVendor = (LPWSTR)MemAlloc(0, BufLen * sizeof(WCHAR));
if (lpszVendor)
wcscpy(lpszVendor, lpszData);
}
else
{
lpszVendor = NULL;
}
MemFree(lpszStrFileInfo);
MemFree(lpData);
return lpszVendor;
}