base/applications/msconfig_new/utils.c

   1 /*
   2  * PROJECT:     ReactOS Applications
   3  * LICENSE:     LGPL - See COPYING in the top level directory
   4  * FILE:        base/applications/msconfig_new/utils.c
   5  * PURPOSE:     Memory Management, Resources, ... Utility Functions
   6  * COPYRIGHT:   Copyright 2011-2012 Hermes BELUSCA - MAITO <hermes.belusca@sfr.fr>
   7  */
   8
   9 #include "precomp.h"
  10 #include "utils.h"
  11 #include "stringutils.h"
  12
  13 // HANDLE g_hHeap = GetProcessHeap();
  14 #define g_hHeap GetProcessHeap()
  15
  16 #if 0
  17 VOID
  18 MemInit(IN HANDLE Heap)
  19 {
  20     /* Save the heap handle */
  21     g_hHeap = Heap;
  22 }
  23 #endif
  24
  25 BOOL
  26 MemFree(IN PVOID lpMem)
  27 {
  28     /* Free memory back into the heap */
  29     return HeapFree(g_hHeap, 0, lpMem);
  30 }
  31
  32 PVOID
  33 MemAlloc(IN DWORD dwFlags,
  34          IN DWORD dwBytes)
  35 {
  36     /* Allocate memory from the heap */
  37     return HeapAlloc(g_hHeap, dwFlags, dwBytes);
  38 }
  39
  40 LPWSTR
  41 FormatDateTime(IN LPSYSTEMTIME pDateTime)
  42 {
  43     LPWSTR lpszDateTime = NULL;
  44     int iDateBufSize, iTimeBufSize;
  45
  46     if (pDateTime == NULL) return NULL;
  47
  48     iDateBufSize = GetDateFormatW(LOCALE_USER_DEFAULT,
  49                                   /* Only for Windows 7 : DATE_AUTOLAYOUT | */ DATE_SHORTDATE,
  50                                   pDateTime,
  51                                   NULL,
  52                                   NULL,
  53                                   0);
  54     iTimeBufSize = GetTimeFormatW(LOCALE_USER_DEFAULT,
  55                                   0,
  56                                   pDateTime,
  57                                   NULL,
  58                                   NULL,
  59                                   0);
  60
  61     if ( (iDateBufSize > 0) && (iTimeBufSize > 0) )
  62     {
  63         lpszDateTime = (LPWSTR)MemAlloc(0, (iDateBufSize + iTimeBufSize) * sizeof(WCHAR));
  64
  65         GetDateFormatW(LOCALE_USER_DEFAULT,
  66                        /* Only for Windows 7 : DATE_AUTOLAYOUT | */ DATE_SHORTDATE,
  67                        pDateTime,
  68                        NULL,
  69                        lpszDateTime,
  70                        iDateBufSize);
  71         if (iDateBufSize > 0) lpszDateTime[iDateBufSize-1] = L' ';
  72         GetTimeFormatW(LOCALE_USER_DEFAULT,
  73                        0,
  74                        pDateTime,
  75                        NULL,
  76                        lpszDateTime + iDateBufSize,
  77                        iTimeBufSize);
  78     }
  79
  80     return lpszDateTime;
  81 }
  82
  83 VOID
  84 FreeDateTime(IN LPWSTR lpszDateTime)
  85 {
  86     if (lpszDateTime)
  87         MemFree(lpszDateTime);
  88 }
  89
  90 LPWSTR
  91 LoadResourceStringEx(IN HINSTANCE hInstance,
  92                      IN UINT uID,
  93                      OUT size_t* pSize OPTIONAL)
  94 {
  95     LPWSTR lpszDestBuf = NULL, lpszResourceString = NULL;
  96     size_t iStrSize    = 0;
  97
  98     // When passing a zero-length buffer size, LoadString(...) returns a
  99     // read-only pointer buffer to the program's resource string.
 100     iStrSize = LoadStringW(hInstance, uID, (LPWSTR)&lpszResourceString, 0);
 101
 102     if ( lpszResourceString && ( (lpszDestBuf = (LPWSTR)MemAlloc(0, (iStrSize + 1) * sizeof(WCHAR))) != NULL ) )
 103     {
 104         wcsncpy(lpszDestBuf, lpszResourceString, iStrSize);
 105         lpszDestBuf[iStrSize] = L'\0'; // NULL-terminate the string
 106
 107         if (pSize)
 108             *pSize = iStrSize + 1;
 109     }
 110     else
 111     {
 112         if (pSize)
 113             *pSize = 0;
 114     }
 115
 116     return lpszDestBuf;
 117 }
 118
 119 LPWSTR
 120 LoadConditionalResourceStringEx(IN HINSTANCE hInstance,
 121                                 IN BOOL bCondition,
 122                                 IN UINT uIDifTrue,
 123                                 IN UINT uIDifFalse,
 124                                 IN size_t* pSize OPTIONAL)
 125 {
 126     return LoadResourceStringEx(hInstance,
 127                                 (bCondition ? uIDifTrue : uIDifFalse),
 128                                 pSize);
 129 }
 130
 131 DWORD
 132 RunCommand(IN LPCWSTR lpszCommand,
 133            IN LPCWSTR lpszParameters,
 134            IN INT nShowCmd)
 135 {
 136     DWORD dwRes;
 137
 138     DWORD dwNumOfChars;
 139     LPWSTR lpszExpandedCommand;
 140
 141     dwNumOfChars = ExpandEnvironmentStringsW(lpszCommand, NULL, 0);
 142     lpszExpandedCommand = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
 143     ExpandEnvironmentStringsW(lpszCommand, lpszExpandedCommand, dwNumOfChars);
 144
 145     dwRes = (DWORD)ShellExecuteW(NULL, NULL /* and not L"open" !! */,
 146                                  lpszExpandedCommand,
 147                                  lpszParameters,
 148                                  NULL, nShowCmd);
 149     MemFree(lpszExpandedCommand);
 150
 151     return dwRes;
 152 }
 153
 154
 155 ////////////////////  The following comes from MSDN samples  ///////////////////
 156 // https://msdn.microsoft.com/en-us/library/windows/desktop/dd162826(v=vs.85).aspx
 157 //
 158
 159 //
 160 //  ClipOrCenterRectToMonitor
 161 //
 162 //  The most common problem apps have when running on a
 163 //  multimonitor system is that they "clip" or "pin" windows
 164 //  based on the SM_CXSCREEN and SM_CYSCREEN system metrics.
 165 //  Because of app compatibility reasons these system metrics
 166 //  return the size of the primary monitor.
 167 //
 168 //  This shows how you use the multi-monitor functions
 169 //  to do the same thing.
 170 //
 171 VOID ClipOrCenterRectToMonitor(LPRECT prc, UINT flags)
 172 {
 173     HMONITOR    hMonitor;
 174     MONITORINFO mi;
 175     RECT        rc;
 176     int         w = prc->right  - prc->left;
 177     int         h = prc->bottom - prc->top;
 178
 179     //
 180     // Get the nearest monitor to the passed rect.
 181     //
 182     hMonitor = MonitorFromRect(prc, MONITOR_DEFAULTTONEAREST);
 183
 184     //
 185     // Get the work area or entire monitor rect.
 186     //
 187     mi.cbSize = sizeof(mi);
 188     GetMonitorInfo(hMonitor, &mi);
 189
 190     if (flags & MONITOR_WORKAREA)
 191         rc = mi.rcWork;
 192     else
 193         rc = mi.rcMonitor;
 194
 195     //
 196     // Center or clip the passed rect to the monitor rect.
 197     //
 198     if (flags & MONITOR_CENTER)
 199     {
 200         prc->left   = rc.left + (rc.right  - rc.left - w) / 2;
 201         prc->top    = rc.top  + (rc.bottom - rc.top  - h) / 2;
 202         prc->right  = prc->left + w;
 203         prc->bottom = prc->top  + h;
 204     }
 205     else
 206     {
 207         prc->left   = max(rc.left, min(rc.right-w,  prc->left));
 208         prc->top    = max(rc.top,  min(rc.bottom-h, prc->top));
 209         prc->right  = prc->left + w;
 210         prc->bottom = prc->top  + h;
 211     }
 212 }
 213
 214 VOID ClipOrCenterWindowToMonitor(HWND hWnd, UINT flags)
 215 {
 216     RECT rc;
 217     GetWindowRect(hWnd, &rc);
 218     ClipOrCenterRectToMonitor(&rc, flags);
 219     SetWindowPos(hWnd, NULL, rc.left, rc.top, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
 220 }
 221 ////////////////////////////////////////////////////////////////////////////////
 222
 223
 224 BOOL IsWindowsOS(VOID)
 225 {
 226     BOOL bIsWindowsOS = FALSE;
 227
 228     OSVERSIONINFOW osvi = {0};
 229     osvi.dwOSVersionInfoSize = sizeof(osvi);
 230
 231     if (!GetVersionExW(&osvi))
 232         return FALSE;
 233
 234     if (osvi.dwPlatformId != VER_PLATFORM_WIN32_NT)
 235         return FALSE;
 236
 237     /* ReactOS reports as Windows NT 5.2 */
 238
 239     if ( (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion >= 2) ||
 240          (osvi.dwMajorVersion  > 5) )
 241     {
 242         HKEY hKey = NULL;
 243
 244         if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
 245                           L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
 246                           0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
 247         {
 248             LONG ret;
 249             DWORD dwType = 0, dwBufSize = 0;
 250
 251             ret = RegQueryValueExW(hKey, L"ProductName", NULL, &dwType, NULL, &dwBufSize);
 252             if (ret == ERROR_SUCCESS && dwType == REG_SZ)
 253             {
 254                 LPTSTR lpszProductName = (LPTSTR)MemAlloc(0, dwBufSize);
 255                 RegQueryValueExW(hKey, L"ProductName", NULL, &dwType, (LPBYTE)lpszProductName, &dwBufSize);
 256
 257                 bIsWindowsOS = (FindSubStrI(lpszProductName, _T("Windows")) != NULL);
 258
 259                 MemFree(lpszProductName);
 260             }
 261
 262             RegCloseKey(hKey);
 263         }
 264     }
 265     else
 266     {
 267         bIsWindowsOS = TRUE;
 268     }
 269
 270     return bIsWindowsOS;
 271 }
 272
 273 BOOL IsPreVistaOSVersion(VOID)
 274 {
 275     OSVERSIONINFOW osvi = {0};
 276     osvi.dwOSVersionInfoSize = sizeof(osvi);
 277
 278     if (!GetVersionExW(&osvi))
 279         return FALSE;
 280
 281     /* Vista+-class OSes are NT >= 6 */
 282     return ( (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) ? (osvi.dwMajorVersion < 6) : FALSE );
 283 }
 284
 285 LPWSTR
 286 GetExecutableVendor(IN LPCWSTR lpszFilename)
 287 {
 288     LPWSTR lpszVendor = NULL;
 289     DWORD dwHandle = 0;
 290     DWORD dwLen;
 291
 292     LPVOID lpData;
 293
 294     LPVOID pvData = NULL;
 295     UINT BufLen = 0;
 296     WORD wCodePage = 0, wLangID = 0;
 297     LPWSTR lpszStrFileInfo = NULL;
 298
 299     LPWSTR lpszData = NULL;
 300
 301     if (lpszFilename == NULL) return NULL;
 302
 303     dwLen = GetFileVersionInfoSizeW(lpszFilename, &dwHandle);
 304     if (dwLen == 0) return NULL;
 305
 306     lpData = MemAlloc(0, dwLen);
 307     if (!lpData) return NULL;
 308
 309     GetFileVersionInfoW(lpszFilename, dwHandle, dwLen, lpData);
 310
 311     if (VerQueryValueW(lpData, L"\\VarFileInfo\\Translation", &pvData, &BufLen))
 312     {
 313         wCodePage = LOWORD(*(DWORD*)pvData);
 314         wLangID   = HIWORD(*(DWORD*)pvData);
 315
 316         lpszStrFileInfo = FormatString(L"StringFileInfo\\%04X%04X\\CompanyName",
 317                                        wCodePage,
 318                                        wLangID);
 319     }
 320
 321     VerQueryValueW(lpData, lpszStrFileInfo, (LPVOID*)&lpszData, &BufLen);
 322     if (lpszData)
 323     {
 324         lpszVendor = (LPWSTR)MemAlloc(0, BufLen * sizeof(WCHAR));
 325         if (lpszVendor)
 326             wcscpy(lpszVendor, lpszData);
 327     }
 328     else
 329     {
 330         lpszVendor = NULL;
 331     }
 332
 333     MemFree(lpszStrFileInfo);
 334     MemFree(lpData);
 335
 336     return lpszVendor;
 337 }