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
MemFree(IN PVOID lpMem)26 MemFree(IN PVOID lpMem)
27 {
28 /* Free memory back into the heap */
29 return HeapFree(g_hHeap, 0, lpMem);
30 }
31
32 PVOID
MemAlloc(IN DWORD dwFlags,IN SIZE_T dwBytes)33 MemAlloc(IN DWORD dwFlags,
34 IN SIZE_T dwBytes)
35 {
36 /* Allocate memory from the heap */
37 return HeapAlloc(g_hHeap, dwFlags, dwBytes);
38 }
39
40 LPWSTR
FormatDateTime(IN LPSYSTEMTIME pDateTime)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
FreeDateTime(IN LPWSTR lpszDateTime)84 FreeDateTime(IN LPWSTR lpszDateTime)
85 {
86 if (lpszDateTime)
87 MemFree(lpszDateTime);
88 }
89
90 LPWSTR
LoadResourceStringEx(IN HINSTANCE hInstance,IN UINT uID,OUT size_t * pSize OPTIONAL)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
LoadConditionalResourceStringEx(IN HINSTANCE hInstance,IN BOOL bCondition,IN UINT uIDifTrue,IN UINT uIDifFalse,IN size_t * pSize OPTIONAL)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
RunCommand(IN LPCWSTR lpszCommand,IN LPCWSTR lpszParameters,IN INT nShowCmd)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_PTR)ShellExecuteW(NULL,
146 NULL /* and not L"open" !! */,
147 lpszExpandedCommand,
148 lpszParameters,
149 NULL,
150 nShowCmd);
151 MemFree(lpszExpandedCommand);
152
153 return dwRes;
154 }
155
156
157 //////////////////// The following comes from MSDN samples ///////////////////
158 // https://msdn.microsoft.com/en-us/library/windows/desktop/dd162826(v=vs.85).aspx
159 //
160
161 //
162 // ClipOrCenterRectToMonitor
163 //
164 // The most common problem apps have when running on a
165 // multimonitor system is that they "clip" or "pin" windows
166 // based on the SM_CXSCREEN and SM_CYSCREEN system metrics.
167 // Because of app compatibility reasons these system metrics
168 // return the size of the primary monitor.
169 //
170 // This shows how you use the multi-monitor functions
171 // to do the same thing.
172 //
ClipOrCenterRectToMonitor(LPRECT prc,UINT flags)173 VOID ClipOrCenterRectToMonitor(LPRECT prc, UINT flags)
174 {
175 HMONITOR hMonitor;
176 MONITORINFO mi;
177 RECT rc;
178 int w = prc->right - prc->left;
179 int h = prc->bottom - prc->top;
180
181 //
182 // Get the nearest monitor to the passed rect.
183 //
184 hMonitor = MonitorFromRect(prc, MONITOR_DEFAULTTONEAREST);
185
186 //
187 // Get the work area or entire monitor rect.
188 //
189 mi.cbSize = sizeof(mi);
190 GetMonitorInfo(hMonitor, &mi);
191
192 if (flags & MONITOR_WORKAREA)
193 rc = mi.rcWork;
194 else
195 rc = mi.rcMonitor;
196
197 //
198 // Center or clip the passed rect to the monitor rect.
199 //
200 if (flags & MONITOR_CENTER)
201 {
202 prc->left = rc.left + (rc.right - rc.left - w) / 2;
203 prc->top = rc.top + (rc.bottom - rc.top - h) / 2;
204 prc->right = prc->left + w;
205 prc->bottom = prc->top + h;
206 }
207 else
208 {
209 prc->left = max(rc.left, min(rc.right-w, prc->left));
210 prc->top = max(rc.top, min(rc.bottom-h, prc->top));
211 prc->right = prc->left + w;
212 prc->bottom = prc->top + h;
213 }
214 }
215
ClipOrCenterWindowToMonitor(HWND hWnd,UINT flags)216 VOID ClipOrCenterWindowToMonitor(HWND hWnd, UINT flags)
217 {
218 RECT rc;
219 GetWindowRect(hWnd, &rc);
220 ClipOrCenterRectToMonitor(&rc, flags);
221 SetWindowPos(hWnd, NULL, rc.left, rc.top, 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
222 }
223 ////////////////////////////////////////////////////////////////////////////////
224
225
IsWindowsOS(VOID)226 BOOL IsWindowsOS(VOID)
227 {
228 BOOL bIsWindowsOS = FALSE;
229
230 OSVERSIONINFOW osvi = {0};
231 osvi.dwOSVersionInfoSize = sizeof(osvi);
232
233 if (!GetVersionExW(&osvi))
234 return FALSE;
235
236 if (osvi.dwPlatformId != VER_PLATFORM_WIN32_NT)
237 return FALSE;
238
239 /* ReactOS reports as Windows NT 5.2 */
240
241 if ( (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion >= 2) ||
242 (osvi.dwMajorVersion > 5) )
243 {
244 HKEY hKey = NULL;
245
246 if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
247 L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
248 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
249 {
250 LONG ret;
251 DWORD dwType = 0, dwBufSize = 0;
252
253 ret = RegQueryValueExW(hKey, L"ProductName", NULL, &dwType, NULL, &dwBufSize);
254 if (ret == ERROR_SUCCESS && dwType == REG_SZ)
255 {
256 LPTSTR lpszProductName = (LPTSTR)MemAlloc(0, dwBufSize);
257 RegQueryValueExW(hKey, L"ProductName", NULL, &dwType, (LPBYTE)lpszProductName, &dwBufSize);
258
259 bIsWindowsOS = (FindSubStrI(lpszProductName, _T("Windows")) != NULL);
260
261 MemFree(lpszProductName);
262 }
263
264 RegCloseKey(hKey);
265 }
266 }
267 else
268 {
269 bIsWindowsOS = TRUE;
270 }
271
272 return bIsWindowsOS;
273 }
274
IsPreVistaOSVersion(VOID)275 BOOL IsPreVistaOSVersion(VOID)
276 {
277 OSVERSIONINFOW osvi = {0};
278 osvi.dwOSVersionInfoSize = sizeof(osvi);
279
280 if (!GetVersionExW(&osvi))
281 return FALSE;
282
283 /* Vista+-class OSes are NT >= 6 */
284 return ( (osvi.dwPlatformId == VER_PLATFORM_WIN32_NT) ? (osvi.dwMajorVersion < 6) : FALSE );
285 }
286
287 LPWSTR
GetExecutableVendor(IN LPCWSTR lpszFilename)288 GetExecutableVendor(IN LPCWSTR lpszFilename)
289 {
290 LPWSTR lpszVendor = NULL;
291 DWORD dwHandle = 0;
292 DWORD dwLen;
293
294 LPVOID lpData;
295
296 LPVOID pvData = NULL;
297 UINT BufLen = 0;
298 WORD wCodePage = 0, wLangID = 0;
299 LPWSTR lpszStrFileInfo = NULL;
300
301 LPWSTR lpszData = NULL;
302
303 if (lpszFilename == NULL) return NULL;
304
305 dwLen = GetFileVersionInfoSizeW(lpszFilename, &dwHandle);
306 if (dwLen == 0) return NULL;
307
308 lpData = MemAlloc(0, dwLen);
309 if (!lpData) return NULL;
310
311 GetFileVersionInfoW(lpszFilename, dwHandle, dwLen, lpData);
312
313 if (VerQueryValueW(lpData, L"\\VarFileInfo\\Translation", &pvData, &BufLen))
314 {
315 wCodePage = LOWORD(*(DWORD*)pvData);
316 wLangID = HIWORD(*(DWORD*)pvData);
317
318 lpszStrFileInfo = FormatString(L"StringFileInfo\\%04X%04X\\CompanyName",
319 wCodePage,
320 wLangID);
321 }
322
323 VerQueryValueW(lpData, lpszStrFileInfo, (LPVOID*)&lpszData, &BufLen);
324 if (lpszData)
325 {
326 lpszVendor = (LPWSTR)MemAlloc(0, BufLen * sizeof(WCHAR));
327 if (lpszVendor)
328 wcscpy(lpszVendor, lpszData);
329 }
330 else
331 {
332 lpszVendor = NULL;
333 }
334
335 MemFree(lpszStrFileInfo);
336 MemFree(lpData);
337
338 return lpszVendor;
339 }
340