src/Global.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2012 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "Global.h"
  23
  24 //Qt includes
  25 #include <QApplication>
  26 #include <QMessageBox>
  27 #include <QDir>
  28 #include <QUuid>
  29 #include <QMap>
  30 #include <QDate>
  31 #include <QIcon>
  32 #include <QPlastiqueStyle>
  33 #include <QImageReader>
  34 #include <QSharedMemory>
  35 #include <QSysInfo>
  36 #include <QStringList>
  37 #include <QSystemSemaphore>
  38 #include <QMutex>
  39 #include <QTextCodec>
  40 #include <QLibrary>
  41 #include <QRegExp>
  42 #include <QResource>
  43 #include <QTranslator>
  44 #include <QEventLoop>
  45 #include <QTimer>
  46 #include <QLibraryInfo>
  47 #include <QEvent>
  48
  49 //LameXP includes
  50 #include "Resource.h"
  51 #include "LockedFile.h"
  52
  53 //CRT includes
  54 #include <iostream>
  55 #include <fstream>
  56 #include <io.h>
  57 #include <fcntl.h>
  58 #include <intrin.h>
  59 #include <math.h>
  60 #include <time.h>
  61 #include <process.h>
  62
  63 //COM includes
  64 #include <Objbase.h>
  65 #include <PowrProf.h>
  66
  67 //Debug only includes
  68 #if LAMEXP_DEBUG
  69 #include <Psapi.h>
  70 #endif
  71
  72 //Initialize static Qt plugins
  73 #ifdef QT_NODLL
  74 Q_IMPORT_PLUGIN(qico)
  75 Q_IMPORT_PLUGIN(qsvg)
  76 #endif
  77
  78 ///////////////////////////////////////////////////////////////////////////////
  79 // TYPES
  80 ///////////////////////////////////////////////////////////////////////////////
  81
  82 static const size_t g_lamexp_ipc_slots = 128;
  83
  84 typedef struct
  85 {
  86         unsigned int command;
  87         unsigned int reserved_1;
  88         unsigned int reserved_2;
  89         char parameter[4096];
  90 }
  91 lamexp_ipc_data_t;
  92
  93 typedef struct
  94 {
  95         unsigned int pos_write;
  96         unsigned int pos_read;
  97         lamexp_ipc_data_t data[g_lamexp_ipc_slots];
  98 }
  99 lamexp_ipc_t;
 100
 101 ///////////////////////////////////////////////////////////////////////////////
 102 // GLOBAL VARS
 103 ///////////////////////////////////////////////////////////////////////////////
 104
 105 //Build version
 106 static const struct
 107 {
 108         unsigned int ver_major;
 109         unsigned int ver_minor;
 110         unsigned int ver_build;
 111         char *ver_release_name;
 112 }
 113 g_lamexp_version =
 114 {
 115         VER_LAMEXP_MAJOR,
 116         VER_LAMEXP_MINOR,
 117         VER_LAMEXP_BUILD,
 118         VER_LAMEXP_RNAME
 119 };
 120
 121 //Build date
 122 static QDate g_lamexp_version_date;
 123 static const char *g_lamexp_months[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
 124 static const char *g_lamexp_version_raw_date = __DATE__;
 125 static const char *g_lamexp_version_raw_time = __TIME__;
 126
 127 //Console attached flag
 128 static bool g_lamexp_console_attached = false;
 129
 130 //Compiler detection
 131 //The following code was borrowed from MPC-HC project: http://mpc-hc.sf.net/
 132 #if defined(__INTEL_COMPILER)
 133         #if (__INTEL_COMPILER >= 1200)
 134                 static const char *g_lamexp_version_compiler = "ICL 12.x";
 135         #elif (__INTEL_COMPILER >= 1100)
 136                 static const char *g_lamexp_version_compiler = = "ICL 11.x";
 137         #elif (__INTEL_COMPILER >= 1000)
 138                 static const char *g_lamexp_version_compiler = = "ICL 10.x";
 139         #else
 140                 #error Compiler is not supported!
 141         #endif
 142 #elif defined(_MSC_VER)
 143         #if (_MSC_VER == 1600)
 144                 #if (_MSC_FULL_VER >= 160040219)
 145                         static const char *g_lamexp_version_compiler = "MSVC 2010-SP1";
 146                 #else
 147                         static const char *g_lamexp_version_compiler = "MSVC 2010";
 148                 #endif
 149         #elif (_MSC_VER == 1500)
 150                 #if (_MSC_FULL_VER >= 150030729)
 151                         static const char *g_lamexp_version_compiler = "MSVC 2008-SP1";
 152                 #else
 153                         static const char *g_lamexp_version_compiler = "MSVC 2008";
 154                 #endif
 155         #else
 156                 #error Compiler is not supported!
 157         #endif
 158
 159         // Note: /arch:SSE and /arch:SSE2 are only available for the x86 platform
 160         #if !defined(_M_X64) && defined(_M_IX86_FP)
 161                 #if (_M_IX86_FP == 1)
 162                         LAMEXP_COMPILER_WARNING("SSE instruction set is enabled!")
 163                 #elif (_M_IX86_FP == 2)
 164                         LAMEXP_COMPILER_WARNING("SSE2 instruction set is enabled!")
 165                 #endif
 166         #endif
 167 #else
 168         #error Compiler is not supported!
 169 #endif
 170
 171 //Architecture detection
 172 #if defined(_M_X64)
 173         static const char *g_lamexp_version_arch = "x64";
 174 #elif defined(_M_IX86)
 175         static const char *g_lamexp_version_arch = "x86";
 176 #else
 177         #error Architecture is not supported!
 178 #endif
 179
 180 //Official web-site URL
 181 static const char *g_lamexp_website_url = "http://lamexp.sourceforge.net/";
 182 static const char *g_lamexp_support_url = "http://forum.doom9.org/showthread.php?t=157726";
 183
 184 //Tool versions (expected versions!)
 185 static const unsigned int g_lamexp_toolver_neroaac = VER_LAMEXP_TOOL_NEROAAC;
 186 static const unsigned int g_lamexp_toolver_fhgaacenc = VER_LAMEXP_TOOL_FHGAACENC;
 187 static const unsigned int g_lamexp_toolver_qaacenc = VER_LAMEXP_TOOL_QAAC;
 188 static const unsigned int g_lamexp_toolver_coreaudio = VER_LAMEXP_TOOL_COREAUDIO;
 189
 190 //Special folders
 191 static QString g_lamexp_temp_folder;
 192
 193 //Tools
 194 static QMap<QString, LockedFile*> g_lamexp_tool_registry;
 195 static QMap<QString, unsigned int> g_lamexp_tool_versions;
 196
 197 //Languages
 198 static struct
 199 {
 200         QMap<QString, QString> files;
 201         QMap<QString, QString> names;
 202         QMap<QString, unsigned int> sysid;
 203         QMap<QString, unsigned int> cntry;
 204 }
 205 g_lamexp_translation;
 206
 207 //Translator
 208 static QTranslator *g_lamexp_currentTranslator = NULL;
 209
 210 //Shared memory
 211 static const struct
 212 {
 213         char *sharedmem;
 214         char *semaphore_read;
 215         char *semaphore_read_mutex;
 216         char *semaphore_write;
 217         char *semaphore_write_mutex;
 218 }
 219 g_lamexp_ipc_uuid =
 220 {
 221         "{21A68A42-6923-43bb-9CF6-64BF151942EE}",
 222         "{7A605549-F58C-4d78-B4E5-06EFC34F405B}",
 223         "{60AA8D04-F6B8-497d-81EB-0F600F4A65B5}",
 224         "{726061D5-1615-4B82-871C-75FD93458E46}",
 225         "{1A616023-AA6A-4519-8AF3-F7736E899977}"
 226 };
 227 static struct
 228 {
 229         QSharedMemory *sharedmem;
 230         QSystemSemaphore *semaphore_read;
 231         QSystemSemaphore *semaphore_read_mutex;
 232         QSystemSemaphore *semaphore_write;
 233         QSystemSemaphore *semaphore_write_mutex;
 234 }
 235 g_lamexp_ipc_ptr =
 236 {
 237         NULL, NULL, NULL
 238 };
 239
 240 //Image formats
 241 static const char *g_lamexp_imageformats[] = {"png", "jpg", "gif", "ico", "svg", NULL};
 242
 243 //Global locks
 244 static QMutex g_lamexp_message_mutex;
 245
 246 //Main thread ID
 247 static const DWORD g_main_thread_id = GetCurrentThreadId();
 248
 249 //Log file
 250 static FILE *g_lamexp_log_file = NULL;
 251
 252 ///////////////////////////////////////////////////////////////////////////////
 253 // GLOBAL FUNCTIONS
 254 ///////////////////////////////////////////////////////////////////////////////
 255
 256 /*
 257  * Version getters
 258  */
 259 unsigned int lamexp_version_major(void) { return g_lamexp_version.ver_major; }
 260 unsigned int lamexp_version_minor(void) { return g_lamexp_version.ver_minor; }
 261 unsigned int lamexp_version_build(void) { return g_lamexp_version.ver_build; }
 262 const char *lamexp_version_release(void) { return g_lamexp_version.ver_release_name; }
 263 const char *lamexp_version_time(void) { return g_lamexp_version_raw_time; }
 264 const char *lamexp_version_compiler(void) { return g_lamexp_version_compiler; }
 265 const char *lamexp_version_arch(void) { return g_lamexp_version_arch; }
 266 unsigned int lamexp_toolver_neroaac(void) { return g_lamexp_toolver_neroaac; }
 267 unsigned int lamexp_toolver_fhgaacenc(void) { return g_lamexp_toolver_fhgaacenc; }
 268 unsigned int lamexp_toolver_qaacenc(void) { return g_lamexp_toolver_qaacenc; }
 269 unsigned int lamexp_toolver_coreaudio(void) { return g_lamexp_toolver_coreaudio; }
 270
 271 /*
 272  * URL getters
 273  */
 274 const char *lamexp_website_url(void) { return g_lamexp_website_url; }
 275 const char *lamexp_support_url(void) { return g_lamexp_support_url; }
 276
 277 /*
 278  * Check for Demo (pre-release) version
 279  */
 280 bool lamexp_version_demo(void)
 281 {
 282         char buffer[128];
 283         bool releaseVersion = false;
 284         if(!strncpy_s(buffer, 128, g_lamexp_version.ver_release_name, _TRUNCATE))
 285         {
 286                 char *context, *prefix = strtok_s(buffer, "-,; ", &context);
 287                 if(prefix)
 288                 {
 289                         releaseVersion = (!_stricmp(prefix, "Final")) || (!_stricmp(prefix, "Hotfix"));
 290                 }
 291         }
 292         return LAMEXP_DEBUG || (!releaseVersion);
 293 }
 294
 295 /*
 296  * Calculate expiration date
 297  */
 298 QDate lamexp_version_expires(void)
 299 {
 300         return lamexp_version_date().addDays(LAMEXP_DEBUG ? 2 : 30);
 301 }
 302
 303 /*
 304  * Get build date date
 305  */
 306 const QDate &lamexp_version_date(void)
 307 {
 308         if(!g_lamexp_version_date.isValid())
 309         {
 310                 int date[3] = {0, 0, 0}; char temp[12] = {'\0'};
 311                 strncpy_s(temp, 12, g_lamexp_version_raw_date, _TRUNCATE);
 312
 313                 if(strlen(temp) == 11)
 314                 {
 315                         temp[3] = temp[6] = '\0';
 316                         date[2] = atoi(&temp[4]);
 317                         date[0] = atoi(&temp[7]);
 318
 319                         for(int j = 0; j < 12; j++)
 320                         {
 321                                 if(!_strcmpi(&temp[0], g_lamexp_months[j]))
 322                                 {
 323                                         date[1] = j+1;
 324                                         break;
 325                                 }
 326                         }
 327
 328                         g_lamexp_version_date = QDate(date[0], date[1], date[2]);
 329                 }
 330
 331                 if(!g_lamexp_version_date.isValid())
 332                 {
 333                         qFatal("Internal error: Date format could not be recognized!");
 334                 }
 335         }
 336
 337         return g_lamexp_version_date;
 338 }
 339
 340 /*
 341  * Get the native operating system version
 342  */
 343 DWORD lamexp_get_os_version(void)
 344 {
 345         static DWORD osVersion = 0;
 346
 347         if(!osVersion)
 348         {
 349                 OSVERSIONINFO osVerInfo;
 350                 memset(&osVerInfo, 0, sizeof(OSVERSIONINFO));
 351                 osVerInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
 352
 353                 if(GetVersionEx(&osVerInfo) == TRUE)
 354                 {
 355                         if(osVerInfo.dwPlatformId != VER_PLATFORM_WIN32_NT)
 356                         {
 357                                 throw "Ouuups: Not running under Windows NT. This is not supposed to happen!";
 358                         }
 359                         osVersion = (DWORD)((osVerInfo.dwMajorVersion << 16) | (osVerInfo.dwMinorVersion & 0xffff));
 360                 }
 361         }
 362
 363         return osVersion;
 364 }
 365
 366 /*
 367  * Check if we are running under wine
 368  */
 369 bool lamexp_detect_wine(void)
 370 {
 371         static bool isWine = false;
 372         static bool isWine_initialized = false;
 373
 374         if(!isWine_initialized)
 375         {
 376                 QLibrary ntdll("ntdll.dll");
 377                 if(ntdll.load())
 378                 {
 379                         if(ntdll.resolve("wine_nt_to_unix_file_name") != NULL) isWine = true;
 380                         if(ntdll.resolve("wine_get_version") != NULL) isWine = true;
 381                         ntdll.unload();
 382                 }
 383                 isWine_initialized = true;
 384         }
 385
 386         return isWine;
 387 }
 388
 389 /*
 390  * Global exception handler
 391  */
 392 LONG WINAPI lamexp_exception_handler(__in struct _EXCEPTION_POINTERS *ExceptionInfo)
 393 {
 394         if(GetCurrentThreadId() != g_main_thread_id)
 395         {
 396                 HANDLE mainThread = OpenThread(THREAD_TERMINATE, FALSE, g_main_thread_id);
 397                 if(mainThread) TerminateThread(mainThread, ULONG_MAX);
 398         }
 399
 400         FatalAppExit(0, L"Unhandeled exception handler invoked, application will exit!");
 401         TerminateProcess(GetCurrentProcess(), -1);
 402         return LONG_MAX;
 403 }
 404
 405 /*
 406  * Invalid parameters handler
 407  */
 408 void lamexp_invalid_param_handler(const wchar_t*, const wchar_t*, const wchar_t*, unsigned int, uintptr_t)
 409 {
 410         if(GetCurrentThreadId() != g_main_thread_id)
 411         {
 412                 HANDLE mainThread = OpenThread(THREAD_TERMINATE, FALSE, g_main_thread_id);
 413                 if(mainThread) TerminateThread(mainThread, ULONG_MAX);
 414
 415         }
 416
 417         FatalAppExit(0, L"Invalid parameter handler invoked, application will exit!");
 418         TerminateProcess(GetCurrentProcess(), -1);
 419 }
 420
 421 /*
 422  * Change console text color
 423  */
 424 static void lamexp_console_color(FILE* file, WORD attributes)
 425 {
 426         const HANDLE hConsole = (HANDLE)(_get_osfhandle(_fileno(file)));
 427         if((hConsole != NULL) && (hConsole != INVALID_HANDLE_VALUE))
 428         {
 429                 SetConsoleTextAttribute(hConsole, attributes);
 430         }
 431 }
 432
 433 /*
 434  * Qt message handler
 435  */
 436 void lamexp_message_handler(QtMsgType type, const char *msg)
 437 {
 438         static const char *GURU_MEDITATION = "\n\nGURU MEDITATION !!!\n\n";
 439
 440         QMutexLocker lock(&g_lamexp_message_mutex);
 441
 442         if(g_lamexp_log_file)
 443         {
 444                 static char prefix[] = "DWCF";
 445                 int index = qBound(0, static_cast<int>(type), 3);
 446                 unsigned int timestamp = static_cast<unsigned int>(_time64(NULL) % 3600I64);
 447                 QString str = QString::fromUtf8(msg).trimmed().replace('\n', '\t');
 448                 fprintf(g_lamexp_log_file, "[%c][%04u] %s\r\n", prefix[index], timestamp, str.toUtf8().constData());
 449                 fflush(g_lamexp_log_file);
 450         }
 451
 452         if(g_lamexp_console_attached)
 453         {
 454                 UINT oldOutputCP = GetConsoleOutputCP();
 455                 if(oldOutputCP != CP_UTF8) SetConsoleOutputCP(CP_UTF8);
 456
 457                 switch(type)
 458                 {
 459                 case QtCriticalMsg:
 460                 case QtFatalMsg:
 461                         fflush(stdout);
 462                         fflush(stderr);
 463                         lamexp_console_color(stderr, FOREGROUND_RED | FOREGROUND_INTENSITY);
 464                         fprintf(stderr, GURU_MEDITATION);
 465                         fprintf(stderr, "%s\n", msg);
 466                         fflush(stderr);
 467                         break;
 468                 case QtWarningMsg:
 469                         lamexp_console_color(stderr, FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY);
 470                         fprintf(stderr, "%s\n", msg);
 471                         fflush(stderr);
 472                         break;
 473                 default:
 474                         lamexp_console_color(stderr, FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY);
 475                         fprintf(stderr, "%s\n", msg);
 476                         fflush(stderr);
 477                         break;
 478                 }
 479
 480                 lamexp_console_color(stderr, FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED);
 481                 if(oldOutputCP != CP_UTF8) SetConsoleOutputCP(oldOutputCP);
 482         }
 483         else
 484         {
 485                 QString temp("[LameXP][%1] %2");
 486
 487                 switch(type)
 488                 {
 489                 case QtCriticalMsg:
 490                 case QtFatalMsg:
 491                         temp = temp.arg("C", QString::fromUtf8(msg));
 492                         break;
 493                 case QtWarningMsg:
 494                         temp = temp.arg("W", QString::fromUtf8(msg));
 495                         break;
 496                 default:
 497                         temp = temp.arg("I", QString::fromUtf8(msg));
 498                         break;
 499                 }
 500
 501                 temp.replace("\n", "\t").append("\n");
 502                 OutputDebugStringA(temp.toLatin1().constData());
 503         }
 504
 505         if(type == QtCriticalMsg || type == QtFatalMsg)
 506         {
 507                 lock.unlock();
 508
 509                 if(GetCurrentThreadId() != g_main_thread_id)
 510                 {
 511                         HANDLE mainThread = OpenThread(THREAD_TERMINATE, FALSE, g_main_thread_id);
 512                         if(mainThread) TerminateThread(mainThread, ULONG_MAX);
 513                 }
 514
 515                 MessageBoxW(NULL, QWCHAR(QString::fromUtf8(msg)), L"LameXP - GURU MEDITATION", MB_ICONERROR | MB_TOPMOST | MB_TASKMODAL);
 516                 FatalAppExit(0, L"The application has encountered a critical error and will exit now!");
 517                 TerminateProcess(GetCurrentProcess(), -1);
 518         }
 519 }
 520
 521 /*
 522  * Initialize the console
 523  */
 524 void lamexp_init_console(int argc, char* argv[])
 525 {
 526         bool enableConsole = lamexp_version_demo();
 527
 528         if(_environ)
 529         {
 530                 wchar_t *logfile = NULL;
 531                 size_t logfile_len = 0;
 532                 if(!_wdupenv_s(&logfile, &logfile_len, L"LAMEXP_LOGFILE"))
 533                 {
 534                         if(logfile && (logfile_len > 0))
 535                         {
 536                                 FILE *temp = NULL;
 537                                 if(!_wfopen_s(&temp, logfile, L"wb"))
 538                                 {
 539                                         fprintf(temp, "%c%c%c", 0xEF, 0xBB, 0xBF);
 540                                         g_lamexp_log_file = temp;
 541                                 }
 542                                 free(logfile);
 543                         }
 544                 }
 545         }
 546
 547         if(!LAMEXP_DEBUG)
 548         {
 549                 for(int i = 0; i < argc; i++)
 550                 {
 551                         if(!_stricmp(argv[i], "--console"))
 552                         {
 553                                 enableConsole = true;
 554                         }
 555                         else if(!_stricmp(argv[i], "--no-console"))
 556                         {
 557                                 enableConsole = false;
 558                         }
 559                 }
 560         }
 561
 562         if(enableConsole)
 563         {
 564                 if(!g_lamexp_console_attached)
 565                 {
 566                         if(AllocConsole() != FALSE)
 567                         {
 568                                 SetConsoleCtrlHandler(NULL, TRUE);
 569                                 SetConsoleTitle(L"LameXP - Audio Encoder Front-End | Debug Console");
 570                                 SetConsoleOutputCP(CP_UTF8);
 571                                 g_lamexp_console_attached = true;
 572                         }
 573                 }
 574
 575                 if(g_lamexp_console_attached)
 576                 {
 577                         //-------------------------------------------------------------------
 578                         //See: http://support.microsoft.com/default.aspx?scid=kb;en-us;105305
 579                         //-------------------------------------------------------------------
 580                         const int flags = _O_WRONLY | _O_U8TEXT;
 581                         int hCrtStdOut = _open_osfhandle((intptr_t) GetStdHandle(STD_OUTPUT_HANDLE), flags);
 582                         int hCrtStdErr = _open_osfhandle((intptr_t) GetStdHandle(STD_ERROR_HANDLE), flags);
 583                         FILE *hfStdOut = (hCrtStdOut >= 0) ? _fdopen(hCrtStdOut, "wb") : NULL;
 584                         FILE *hfStdErr = (hCrtStdErr >= 0) ? _fdopen(hCrtStdErr, "wb") : NULL;
 585                         if(hfStdOut) { *stdout = *hfStdOut; std::cout.rdbuf(new std::filebuf(hfStdOut)); }
 586                         if(hfStdErr) { *stderr = *hfStdErr; std::cerr.rdbuf(new std::filebuf(hfStdErr)); }
 587                 }
 588
 589                 HWND hwndConsole = GetConsoleWindow();
 590
 591                 if((hwndConsole != NULL) && (hwndConsole != INVALID_HANDLE_VALUE))
 592                 {
 593                         HMENU hMenu = GetSystemMenu(hwndConsole, 0);
 594                         EnableMenuItem(hMenu, SC_CLOSE, MF_BYCOMMAND | MF_GRAYED);
 595                         RemoveMenu(hMenu, SC_CLOSE, MF_BYCOMMAND);
 596
 597                         SetWindowPos(hwndConsole, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED);
 598                         SetWindowLong(hwndConsole, GWL_STYLE, GetWindowLong(hwndConsole, GWL_STYLE) & (~WS_MAXIMIZEBOX) & (~WS_MINIMIZEBOX));
 599                         SetWindowPos(hwndConsole, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED);
 600                 }
 601         }
 602 }
 603
 604 /*
 605  * Detect CPU features
 606  */
 607 lamexp_cpu_t lamexp_detect_cpu_features(int argc, char **argv)
 608 {
 609         typedef BOOL (WINAPI *IsWow64ProcessFun)(__in HANDLE hProcess, __out PBOOL Wow64Process);
 610         typedef VOID (WINAPI *GetNativeSystemInfoFun)(__out LPSYSTEM_INFO lpSystemInfo);
 611
 612         static IsWow64ProcessFun IsWow64ProcessPtr = NULL;
 613         static GetNativeSystemInfoFun GetNativeSystemInfoPtr = NULL;
 614
 615         lamexp_cpu_t features;
 616         SYSTEM_INFO systemInfo;
 617         int CPUInfo[4] = {-1};
 618         char CPUIdentificationString[0x40];
 619         char CPUBrandString[0x40];
 620
 621         memset(&features, 0, sizeof(lamexp_cpu_t));
 622         memset(&systemInfo, 0, sizeof(SYSTEM_INFO));
 623         memset(CPUIdentificationString, 0, sizeof(CPUIdentificationString));
 624         memset(CPUBrandString, 0, sizeof(CPUBrandString));
 625
 626         __cpuid(CPUInfo, 0);
 627         memcpy(CPUIdentificationString, &CPUInfo[1], sizeof(int));
 628         memcpy(CPUIdentificationString + 4, &CPUInfo[3], sizeof(int));
 629         memcpy(CPUIdentificationString + 8, &CPUInfo[2], sizeof(int));
 630         features.intel = (_stricmp(CPUIdentificationString, "GenuineIntel") == 0);
 631         strncpy_s(features.vendor, 0x40, CPUIdentificationString, _TRUNCATE);
 632
 633         if(CPUInfo[0] >= 1)
 634         {
 635                 __cpuid(CPUInfo, 1);
 636                 features.mmx = (CPUInfo[3] & 0x800000) || false;
 637                 features.sse = (CPUInfo[3] & 0x2000000) || false;
 638                 features.sse2 = (CPUInfo[3] & 0x4000000) || false;
 639                 features.ssse3 = (CPUInfo[2] & 0x200) || false;
 640                 features.sse3 = (CPUInfo[2] & 0x1) || false;
 641                 features.ssse3 = (CPUInfo[2] & 0x200) || false;
 642                 features.stepping = CPUInfo[0] & 0xf;
 643                 features.model = ((CPUInfo[0] >> 4) & 0xf) + (((CPUInfo[0] >> 16) & 0xf) << 4);
 644                 features.family = ((CPUInfo[0] >> 8) & 0xf) + ((CPUInfo[0] >> 20) & 0xff);
 645         }
 646
 647         __cpuid(CPUInfo, 0x80000000);
 648         int nExIds = qMax<int>(qMin<int>(CPUInfo[0], 0x80000004), 0x80000000);
 649
 650         for(int i = 0x80000002; i <= nExIds; ++i)
 651         {
 652                 __cpuid(CPUInfo, i);
 653                 switch(i)
 654                 {
 655                 case 0x80000002:
 656                         memcpy(CPUBrandString, CPUInfo, sizeof(CPUInfo));
 657                         break;
 658                 case 0x80000003:
 659                         memcpy(CPUBrandString + 16, CPUInfo, sizeof(CPUInfo));
 660                         break;
 661                 case 0x80000004:
 662                         memcpy(CPUBrandString + 32, CPUInfo, sizeof(CPUInfo));
 663                         break;
 664                 }
 665         }
 666
 667         strncpy_s(features.brand, 0x40, CPUBrandString, _TRUNCATE);
 668
 669         if(strlen(features.brand) < 1) strncpy_s(features.brand, 0x40, "Unknown", _TRUNCATE);
 670         if(strlen(features.vendor) < 1) strncpy_s(features.vendor, 0x40, "Unknown", _TRUNCATE);
 671
 672 #if !defined(_M_X64 ) && !defined(_M_IA64)
 673         if(!IsWow64ProcessPtr || !GetNativeSystemInfoPtr)
 674         {
 675                 QLibrary Kernel32Lib("kernel32.dll");
 676                 IsWow64ProcessPtr = (IsWow64ProcessFun) Kernel32Lib.resolve("IsWow64Process");
 677                 GetNativeSystemInfoPtr = (GetNativeSystemInfoFun) Kernel32Lib.resolve("GetNativeSystemInfo");
 678         }
 679         if(IsWow64ProcessPtr)
 680         {
 681                 BOOL x64 = FALSE;
 682                 if(IsWow64ProcessPtr(GetCurrentProcess(), &x64))
 683                 {
 684                         features.x64 = x64;
 685                 }
 686         }
 687         if(GetNativeSystemInfoPtr)
 688         {
 689                 GetNativeSystemInfoPtr(&systemInfo);
 690         }
 691         else
 692         {
 693                 GetSystemInfo(&systemInfo);
 694         }
 695         features.count = qBound(1UL, systemInfo.dwNumberOfProcessors, 64UL);
 696 #else
 697         GetNativeSystemInfo(&systemInfo);
 698         features.count = systemInfo.dwNumberOfProcessors;
 699         features.x64 = true;
 700 #endif
 701
 702         if((argv != NULL) && (argc > 0))
 703         {
 704                 bool flag = false;
 705                 for(int i = 0; i < argc; i++)
 706                 {
 707                         if(!_stricmp("--force-cpu-no-64bit", argv[i])) { flag = true; features.x64 = false; }
 708                         if(!_stricmp("--force-cpu-no-sse", argv[i])) { flag = true; features.sse = features.sse2 = features.sse3 = features.ssse3 = false; }
 709                         if(!_stricmp("--force-cpu-no-intel", argv[i])) { flag = true; features.intel = false; }
 710                 }
 711                 if(flag) qWarning("CPU flags overwritten by user-defined parameters. Take care!\n");
 712         }
 713
 714         return features;
 715 }
 716
 717 /*
 718  * Check for debugger (detect routine)
 719  */
 720 static __forceinline bool lamexp_check_for_debugger(void)
 721 {
 722         if(IsDebuggerPresent())
 723         {
 724                 return true;
 725         }
 726
 727         __try
 728         {
 729                 CloseHandle((HANDLE) 0x7FFFFFFF);
 730         }
 731         __except(EXCEPTION_EXECUTE_HANDLER)
 732         {
 733                 return true;
 734         }
 735
 736         __try
 737         {
 738                 DebugBreak();
 739         }
 740         __except(EXCEPTION_EXECUTE_HANDLER)
 741         {
 742                 return false;
 743         }
 744
 745         return true;
 746 }
 747
 748 /*
 749  * Check for debugger (thread proc)
 750  */
 751 static unsigned int __stdcall lamexp_debug_thread_proc(LPVOID lpParameter)
 752 {
 753         while(!lamexp_check_for_debugger())
 754         {
 755                 Sleep(32);
 756         }
 757         if(HANDLE thrd = OpenThread(THREAD_TERMINATE, FALSE, g_main_thread_id))
 758         {
 759                 if(TerminateThread(thrd, -1))
 760                 {
 761                         FatalAppExit(0, L"Not a debug build. Please unload debugger and try again!");
 762                 }
 763                 CloseHandle(thrd);
 764         }
 765         TerminateProcess(GetCurrentProcess(), -1);
 766         return 666;
 767 }
 768
 769 /*
 770  * Check for debugger (startup routine)
 771  */
 772 static HANDLE lamexp_debug_thread_init(void)
 773 {
 774         if(lamexp_check_for_debugger())
 775         {
 776                 FatalAppExit(0, L"Not a debug build. Please unload debugger and try again!");
 777                 TerminateProcess(GetCurrentProcess(), -1);
 778         }
 779
 780         return (HANDLE) _beginthreadex(NULL, 0, lamexp_debug_thread_proc, NULL, 0, NULL);
 781 }
 782
 783 /*
 784  * Check for compatibility mode
 785  */
 786 static bool lamexp_check_compatibility_mode(const char *exportName, const char *executableName)
 787 {
 788         QLibrary kernel32("kernel32.dll");
 789
 790         if(exportName != NULL)
 791         {
 792                 if(kernel32.resolve(exportName) != NULL)
 793                 {
 794                         qWarning("Function '%s' exported from 'kernel32.dll' -> Windows compatibility mode!", exportName);
 795                         qFatal("%s", QApplication::tr("Executable '%1' doesn't support Windows compatibility mode.").arg(QString::fromLatin1(executableName)).toLatin1().constData());
 796                         return false;
 797                 }
 798         }
 799
 800         return true;
 801 }
 802
 803 /*
 804  * Computus according to H. Lichtenberg
 805  */
 806 static bool lamexp_computus(const QDate &date)
 807 {
 808         int X = date.year();
 809         int A = X % 19;
 810         int K = X / 100;
 811         int M = 15 + (3*K + 3) / 4 - (8*K + 13) / 25;
 812         int D = (19*A + M) % 30;
 813         int S = 2 - (3*K + 3) / 4;
 814         int R = D / 29 + (D / 28 - D / 29) * (A / 11);
 815         int OG = 21 + D - R;
 816         int SZ = 7 - (X + X / 4 + S) % 7;
 817         int OE = 7 - (OG - SZ) % 7;
 818         int OS = (OG + OE);
 819
 820         if(OS > 31)
 821         {
 822                 return (date.month() == 4) && (date.day() == (OS - 31));
 823         }
 824         else
 825         {
 826                 return (date.month() == 3) && (date.day() == OS);
 827         }
 828 }
 829
 830 /*
 831  * Check for Thanksgiving
 832  */
 833 static bool lamexp_thanksgiving(const QDate &date)
 834 {
 835         int day = 0;
 836
 837         switch(QDate(date.year(), 11, 1).dayOfWeek())
 838         {
 839                 case 1: day = 25; break;
 840                 case 2: day = 24; break;
 841                 case 3: day = 23; break;
 842                 case 4: day = 22; break;
 843                 case 5: day = 28; break;
 844                 case 6: day = 27; break;
 845                 case 7: day = 26; break;
 846         }
 847
 848         return (date.month() == 11) && (date.day() == day);
 849 }
 850
 851 /*
 852  * Initialize app icon
 853  */
 854 QIcon lamexp_app_icon(const QDate *date, const QTime *time)
 855 {
 856         QDate currentDate = (date) ? QDate(*date) : QDate::currentDate();
 857         QTime currentTime = (time) ? QTime(*time) : QTime::currentTime();
 858
 859         if(lamexp_thanksgiving(currentDate))
 860         {
 861                 return QIcon(":/MainIcon6.png");
 862         }
 863         else if(((currentDate.month() == 12) && (currentDate.day() == 31) && (currentTime.hour() >= 20)) || ((currentDate.month() == 1) && (currentDate.day() == 1)  && (currentTime.hour() <= 19)))
 864         {
 865                 return QIcon(":/MainIcon5.png");
 866         }
 867         else if(((currentDate.month() == 10) && (currentDate.day() == 31) && (currentTime.hour() >= 12)) || ((currentDate.month() == 11) && (currentDate.day() == 1)  && (currentTime.hour() <= 11)))
 868         {
 869                 return QIcon(":/MainIcon4.png");
 870         }
 871         else if((currentDate.month() == 12) && (currentDate.day() >= 24) && (currentDate.day() <= 26))
 872         {
 873                 return QIcon(":/MainIcon3.png");
 874         }
 875         else if(lamexp_computus(currentDate))
 876         {
 877                 return QIcon(":/MainIcon2.png");
 878         }
 879         else
 880         {
 881                 return QIcon(":/MainIcon1.png");
 882         }
 883 }
 884
 885 /*
 886  * Broadcast event to all windows
 887  */
 888 static bool lamexp_broadcast(int eventType, bool onlyToVisible)
 889 {
 890         if(QApplication *app = dynamic_cast<QApplication*>(QApplication::instance()))
 891         {
 892                 qDebug("Broadcasting %d", eventType);
 893
 894                 bool allOk = true;
 895                 QEvent poEvent(static_cast<QEvent::Type>(eventType));
 896                 QWidgetList list = app->topLevelWidgets();
 897
 898                 while(!list.isEmpty())
 899                 {
 900                         QWidget *widget = list.takeFirst();
 901                         if(!onlyToVisible || widget->isVisible())
 902                         {
 903                                 if(!app->sendEvent(widget, &poEvent))
 904                                 {
 905                                         allOk = false;
 906                                 }
 907                         }
 908                 }
 909
 910                 qDebug("Broadcast %d done (%s)", eventType, (allOk ? "OK" : "Stopped"));
 911                 return allOk;
 912         }
 913         else
 914         {
 915                 qWarning("Broadcast failed, could not get QApplication instance!");
 916                 return false;
 917         }
 918 }
 919
 920 /*
 921  * Qt event filter
 922  */
 923 static bool lamexp_event_filter(void *message, long *result)
 924 {
 925         if((!(LAMEXP_DEBUG)) && lamexp_check_for_debugger())
 926         {
 927                 FatalAppExit(0, L"Not a debug build. Please unload debugger and try again!");
 928                 TerminateProcess(GetCurrentProcess(), -1);
 929         }
 930
 931         switch(reinterpret_cast<MSG*>(message)->message)
 932         {
 933         case WM_QUERYENDSESSION:
 934                 qWarning("WM_QUERYENDSESSION message received!");
 935                 *result = lamexp_broadcast(lamexp_event_queryendsession, false) ? TRUE : FALSE;
 936                 return true;
 937         case WM_ENDSESSION:
 938                 qWarning("WM_ENDSESSION message received!");
 939                 if(reinterpret_cast<MSG*>(message)->wParam == TRUE)
 940                 {
 941                         lamexp_broadcast(lamexp_event_endsession, false);
 942                         if(QApplication *app = reinterpret_cast<QApplication*>(QApplication::instance()))
 943                         {
 944                                 app->closeAllWindows();
 945                                 app->quit();
 946                         }
 947                         lamexp_finalization();
 948                         exit(1);
 949                 }
 950                 *result = 0;
 951                 return true;
 952         default:
 953                 /*ignore this message and let Qt handle it*/
 954                 return false;
 955         }
 956 }
 957
 958 /*
 959  * Check for process elevation
 960  */
 961 static bool lamexp_check_elevation(void)
 962 {
 963         typedef enum { lamexp_token_elevationType_class = 18, lamexp_token_elevation_class = 20 } LAMEXP_TOKEN_INFORMATION_CLASS;
 964         typedef enum { lamexp_elevationType_default = 1, lamexp_elevationType_full, lamexp_elevationType_limited } LAMEXP_TOKEN_ELEVATION_TYPE;
 965
 966         HANDLE hToken = NULL;
 967         bool bIsProcessElevated = false;
 968
 969         if(OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
 970         {
 971                 LAMEXP_TOKEN_ELEVATION_TYPE tokenElevationType;
 972                 DWORD returnLength;
 973                 if(GetTokenInformation(hToken, (TOKEN_INFORMATION_CLASS) lamexp_token_elevationType_class, &tokenElevationType, sizeof(LAMEXP_TOKEN_ELEVATION_TYPE), &returnLength))
 974                 {
 975                         if(returnLength == sizeof(LAMEXP_TOKEN_ELEVATION_TYPE))
 976                         {
 977                                 switch(tokenElevationType)
 978                                 {
 979                                 case lamexp_elevationType_default:
 980                                         qDebug("Process token elevation type: Default -> UAC is disabled.\n");
 981                                         break;
 982                                 case lamexp_elevationType_full:
 983                                         qWarning("Process token elevation type: Full -> potential security risk!\n");
 984                                         bIsProcessElevated = true;
 985                                         break;
 986                                 case lamexp_elevationType_limited:
 987                                         qDebug("Process token elevation type: Limited -> not elevated.\n");
 988                                         break;
 989                                 }
 990                         }
 991                 }
 992                 CloseHandle(hToken);
 993         }
 994         else
 995         {
 996                 qWarning("Failed to open process token!");
 997         }
 998
 999         return !bIsProcessElevated;
1000 }
1001
1002 /*
1003  * Initialize Qt framework
1004  */
1005 bool lamexp_init_qt(int argc, char* argv[])
1006 {
1007         static bool qt_initialized = false;
1008         typedef BOOL (WINAPI *SetDllDirectoryProc)(WCHAR *lpPathName);
1009
1010         //Don't initialized again, if done already
1011         if(qt_initialized)
1012         {
1013                 return true;
1014         }
1015
1016         //Secure DLL loading
1017         QLibrary kernel32("kernel32.dll");
1018         if(kernel32.load())
1019         {
1020                 SetDllDirectoryProc pSetDllDirectory = (SetDllDirectoryProc) kernel32.resolve("SetDllDirectoryW");
1021                 if(pSetDllDirectory != NULL) pSetDllDirectory(L"");
1022                 kernel32.unload();
1023         }
1024
1025         //Extract executable name from argv[] array
1026         char *executableName = argv[0];
1027         while(char *temp = strpbrk(executableName, "\\/:?"))
1028         {
1029                 executableName = temp + 1;
1030         }
1031
1032         //Check Qt version
1033         qDebug("Using Qt v%s [%s], %s, %s", qVersion(), QLibraryInfo::buildDate().toString(Qt::ISODate).toLatin1().constData(), (qSharedBuild() ? "DLL" : "Static"), QLibraryInfo::buildKey().toLatin1().constData());
1034         qDebug("Compiled with Qt v%s [%s], %s\n", QT_VERSION_STR, QT_PACKAGEDATE_STR, QT_BUILD_KEY);
1035         if(_stricmp(qVersion(), QT_VERSION_STR))
1036         {
1037                 qFatal("%s", QApplication::tr("Executable '%1' requires Qt v%2, but found Qt v%3.").arg(QString::fromLatin1(executableName), QString::fromLatin1(QT_VERSION_STR), QString::fromLatin1(qVersion())).toLatin1().constData());
1038                 return false;
1039         }
1040         if(QLibraryInfo::buildKey().compare(QString::fromLatin1(QT_BUILD_KEY), Qt::CaseInsensitive))
1041         {
1042                 qFatal("%s", QApplication::tr("Executable '%1' was built for Qt '%2', but found Qt '%3'.").arg(QString::fromLatin1(executableName), QString::fromLatin1(QT_BUILD_KEY), QLibraryInfo::buildKey()).toLatin1().constData());
1043                 return false;
1044         }
1045
1046         //Check the Windows version
1047         switch(QSysInfo::windowsVersion() & QSysInfo::WV_NT_based)
1048         {
1049         case 0:
1050         case QSysInfo::WV_NT:
1051                 qFatal("%s", QApplication::tr("Executable '%1' requires Windows 2000 or later.").arg(QString::fromLatin1(executableName)).toLatin1().constData());
1052                 break;
1053         case QSysInfo::WV_2000:
1054                 qDebug("Running on Windows 2000 (not officially supported!).\n");
1055                 lamexp_check_compatibility_mode("GetNativeSystemInfo", executableName);
1056                 break;
1057         case QSysInfo::WV_XP:
1058                 qDebug("Running on Windows XP.\n");
1059                 lamexp_check_compatibility_mode("GetLargePageMinimum", executableName);
1060                 break;
1061         case QSysInfo::WV_2003:
1062                 qDebug("Running on Windows Server 2003 or Windows XP x64-Edition.\n");
1063                 lamexp_check_compatibility_mode("GetLocaleInfoEx", executableName);
1064                 break;
1065         case QSysInfo::WV_VISTA:
1066                 qDebug("Running on Windows Vista or Windows Server 2008.\n");
1067                 lamexp_check_compatibility_mode("CreateRemoteThreadEx", executableName);
1068                 break;
1069         case QSysInfo::WV_WINDOWS7:
1070                 qDebug("Running on Windows 7 or Windows Server 2008 R2.\n");
1071                 lamexp_check_compatibility_mode(NULL, executableName);
1072                 break;
1073         default:
1074                 {
1075                         DWORD osVersionNo = lamexp_get_os_version();
1076                         qWarning("Running on an unknown/untested WinNT-based OS (v%u.%u).\n", HIWORD(osVersionNo), LOWORD(osVersionNo));
1077                 }
1078                 break;
1079         }
1080
1081         //Check for Wine
1082         if(lamexp_detect_wine())
1083         {
1084                 qWarning("It appears we are running under Wine, unexpected things might happen!\n");
1085         }
1086
1087
1088         //Create Qt application instance and setup version info
1089         QApplication *application = new QApplication(argc, argv);
1090         application->setApplicationName("LameXP - Audio Encoder Front-End");
1091         application->setApplicationVersion(QString().sprintf("%d.%02d.%04d", lamexp_version_major(), lamexp_version_minor(), lamexp_version_build()));
1092         application->setOrganizationName("LoRd_MuldeR");
1093         application->setOrganizationDomain("mulder.at.gg");
1094         application->setWindowIcon(lamexp_app_icon());
1095         application->setEventFilter(lamexp_event_filter);
1096
1097         //Set text Codec for locale
1098         QTextCodec::setCodecForLocale(QTextCodec::codecForName("UTF-8"));
1099
1100         //Load plugins from application directory
1101         QCoreApplication::setLibraryPaths(QStringList() << QApplication::applicationDirPath());
1102         qDebug("Library Path:\n%s\n", QApplication::libraryPaths().first().toUtf8().constData());
1103
1104         //Check for supported image formats
1105         QList<QByteArray> supportedFormats = QImageReader::supportedImageFormats();
1106         for(int i = 0; g_lamexp_imageformats[i]; i++)
1107         {
1108                 if(!supportedFormats.contains(g_lamexp_imageformats[i]))
1109                 {
1110                         qFatal("Qt initialization error: QImageIOHandler for '%s' missing!", g_lamexp_imageformats[i]);
1111                         return false;
1112                 }
1113         }
1114
1115         //Add default translations
1116         g_lamexp_translation.files.insert(LAMEXP_DEFAULT_LANGID, "");
1117         g_lamexp_translation.names.insert(LAMEXP_DEFAULT_LANGID, "English");
1118
1119         //Check for process elevation
1120         if((!lamexp_check_elevation()) && (!lamexp_detect_wine()))
1121         {
1122                 if(QMessageBox::warning(NULL, "LameXP", "<nobr>LameXP was started with elevated rights. This is a potential security risk!</nobr>", "Quit Program (Recommended)", "Ignore") == 0)
1123                 {
1124                         return false;
1125                 }
1126         }
1127
1128         //Update console icon, if a console is attached
1129         if(g_lamexp_console_attached && (!lamexp_detect_wine()))
1130         {
1131                 typedef DWORD (__stdcall *SetConsoleIconFun)(HICON);
1132                 QLibrary kernel32("kernel32.dll");
1133                 if(kernel32.load())
1134                 {
1135                         SetConsoleIconFun SetConsoleIconPtr = (SetConsoleIconFun) kernel32.resolve("SetConsoleIcon");
1136                         if(SetConsoleIconPtr != NULL) SetConsoleIconPtr(QIcon(":/icons/sound.png").pixmap(16, 16).toWinHICON());
1137                         kernel32.unload();
1138                 }
1139         }
1140
1141         //Done
1142         qt_initialized = true;
1143         return true;
1144 }
1145
1146 /*
1147  * Initialize IPC
1148  */
1149 int lamexp_init_ipc(void)
1150 {
1151         if(g_lamexp_ipc_ptr.sharedmem && g_lamexp_ipc_ptr.semaphore_read && g_lamexp_ipc_ptr.semaphore_write && g_lamexp_ipc_ptr.semaphore_read_mutex && g_lamexp_ipc_ptr.semaphore_write_mutex)
1152         {
1153                 return 0;
1154         }
1155
1156         g_lamexp_ipc_ptr.semaphore_read = new QSystemSemaphore(QString(g_lamexp_ipc_uuid.semaphore_read), 0);
1157         g_lamexp_ipc_ptr.semaphore_write = new QSystemSemaphore(QString(g_lamexp_ipc_uuid.semaphore_write), 0);
1158         g_lamexp_ipc_ptr.semaphore_read_mutex = new QSystemSemaphore(QString(g_lamexp_ipc_uuid.semaphore_read_mutex), 0);
1159         g_lamexp_ipc_ptr.semaphore_write_mutex = new QSystemSemaphore(QString(g_lamexp_ipc_uuid.semaphore_write_mutex), 0);
1160
1161         if(g_lamexp_ipc_ptr.semaphore_read->error() != QSystemSemaphore::NoError)
1162         {
1163                 QString errorMessage = g_lamexp_ipc_ptr.semaphore_read->errorString();
1164                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read);
1165                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write);
1166                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read_mutex);
1167                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write_mutex);
1168                 qFatal("Failed to create system smaphore: %s", errorMessage.toUtf8().constData());
1169                 return -1;
1170         }
1171         if(g_lamexp_ipc_ptr.semaphore_write->error() != QSystemSemaphore::NoError)
1172         {
1173                 QString errorMessage = g_lamexp_ipc_ptr.semaphore_write->errorString();
1174                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read);
1175                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write);
1176                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read_mutex);
1177                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write_mutex);
1178                 qFatal("Failed to create system smaphore: %s", errorMessage.toUtf8().constData());
1179                 return -1;
1180         }
1181         if(g_lamexp_ipc_ptr.semaphore_read_mutex->error() != QSystemSemaphore::NoError)
1182         {
1183                 QString errorMessage = g_lamexp_ipc_ptr.semaphore_read_mutex->errorString();
1184                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read);
1185                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write);
1186                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read_mutex);
1187                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write_mutex);
1188                 qFatal("Failed to create system smaphore: %s", errorMessage.toUtf8().constData());
1189                 return -1;
1190         }
1191         if(g_lamexp_ipc_ptr.semaphore_write_mutex->error() != QSystemSemaphore::NoError)
1192         {
1193                 QString errorMessage = g_lamexp_ipc_ptr.semaphore_write_mutex->errorString();
1194                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read);
1195                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write);
1196                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read_mutex);
1197                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write_mutex);
1198                 qFatal("Failed to create system smaphore: %s", errorMessage.toUtf8().constData());
1199                 return -1;
1200         }
1201
1202         g_lamexp_ipc_ptr.sharedmem = new QSharedMemory(QString(g_lamexp_ipc_uuid.sharedmem), NULL);
1203
1204         if(!g_lamexp_ipc_ptr.sharedmem->create(sizeof(lamexp_ipc_t)))
1205         {
1206                 if(g_lamexp_ipc_ptr.sharedmem->error() == QSharedMemory::AlreadyExists)
1207                 {
1208                         g_lamexp_ipc_ptr.sharedmem->attach();
1209                         if(g_lamexp_ipc_ptr.sharedmem->error() == QSharedMemory::NoError)
1210                         {
1211                                 return 1;
1212                         }
1213                         else
1214                         {
1215                                 QString errorMessage = g_lamexp_ipc_ptr.sharedmem->errorString();
1216                                 LAMEXP_DELETE(g_lamexp_ipc_ptr.sharedmem);
1217                                 qFatal("Failed to attach to shared memory: %s", errorMessage.toUtf8().constData());
1218                                 return -1;
1219                         }
1220                 }
1221                 else
1222                 {
1223                         QString errorMessage = g_lamexp_ipc_ptr.sharedmem->errorString();
1224                         LAMEXP_DELETE(g_lamexp_ipc_ptr.sharedmem);
1225                         qFatal("Failed to create shared memory: %s", errorMessage.toUtf8().constData());
1226                         return -1;
1227                 }
1228         }
1229
1230         memset(g_lamexp_ipc_ptr.sharedmem->data(), 0, sizeof(lamexp_ipc_t));
1231         g_lamexp_ipc_ptr.semaphore_write->release(g_lamexp_ipc_slots);
1232         g_lamexp_ipc_ptr.semaphore_read_mutex->release();
1233         g_lamexp_ipc_ptr.semaphore_write_mutex->release();
1234
1235         return 0;
1236 }
1237
1238 /*
1239  * IPC send message
1240  */
1241 void lamexp_ipc_send(unsigned int command, const char* message)
1242 {
1243         if(!g_lamexp_ipc_ptr.sharedmem || !g_lamexp_ipc_ptr.semaphore_read || !g_lamexp_ipc_ptr.semaphore_write || !g_lamexp_ipc_ptr.semaphore_read_mutex || !g_lamexp_ipc_ptr.semaphore_write_mutex)
1244         {
1245                 throw "Shared memory for IPC not initialized yet.";
1246         }
1247
1248         lamexp_ipc_data_t ipc_data;
1249         memset(&ipc_data, 0, sizeof(lamexp_ipc_data_t));
1250         ipc_data.command = command;
1251
1252         if(message)
1253         {
1254                 strncpy_s(ipc_data.parameter, 4096, message, _TRUNCATE);
1255         }
1256
1257         if(g_lamexp_ipc_ptr.semaphore_write->acquire())
1258         {
1259                 if(g_lamexp_ipc_ptr.semaphore_write_mutex->acquire())
1260                 {
1261                         lamexp_ipc_t *ptr = reinterpret_cast<lamexp_ipc_t*>(g_lamexp_ipc_ptr.sharedmem->data());
1262                         memcpy(&ptr->data[ptr->pos_write], &ipc_data, sizeof(lamexp_ipc_data_t));
1263                         ptr->pos_write = (ptr->pos_write + 1) % g_lamexp_ipc_slots;
1264                         g_lamexp_ipc_ptr.semaphore_read->release();
1265                         g_lamexp_ipc_ptr.semaphore_write_mutex->release();
1266                 }
1267         }
1268 }
1269
1270 /*
1271  * IPC read message
1272  */
1273 void lamexp_ipc_read(unsigned int *command, char* message, size_t buffSize)
1274 {
1275         *command = 0;
1276         message[0] = '\0';
1277
1278         if(!g_lamexp_ipc_ptr.sharedmem || !g_lamexp_ipc_ptr.semaphore_read || !g_lamexp_ipc_ptr.semaphore_write || !g_lamexp_ipc_ptr.semaphore_read_mutex || !g_lamexp_ipc_ptr.semaphore_write_mutex)
1279         {
1280                 throw "Shared memory for IPC not initialized yet.";
1281         }
1282
1283         lamexp_ipc_data_t ipc_data;
1284         memset(&ipc_data, 0, sizeof(lamexp_ipc_data_t));
1285
1286         if(g_lamexp_ipc_ptr.semaphore_read->acquire())
1287         {
1288                 if(g_lamexp_ipc_ptr.semaphore_read_mutex->acquire())
1289                 {
1290                         lamexp_ipc_t *ptr = reinterpret_cast<lamexp_ipc_t*>(g_lamexp_ipc_ptr.sharedmem->data());
1291                         memcpy(&ipc_data, &ptr->data[ptr->pos_read], sizeof(lamexp_ipc_data_t));
1292                         ptr->pos_read = (ptr->pos_read + 1) % g_lamexp_ipc_slots;
1293                         g_lamexp_ipc_ptr.semaphore_write->release();
1294                         g_lamexp_ipc_ptr.semaphore_read_mutex->release();
1295
1296                         if(!(ipc_data.reserved_1 || ipc_data.reserved_2))
1297                         {
1298                                 *command = ipc_data.command;
1299                                 strncpy_s(message, buffSize, ipc_data.parameter, _TRUNCATE);
1300                         }
1301                         else
1302                         {
1303                                 qWarning("Malformed IPC message, will be ignored");
1304                         }
1305                 }
1306         }
1307 }
1308
1309 /*
1310  * Check for LameXP "portable" mode
1311  */
1312 bool lamexp_portable_mode(void)
1313 {
1314         QString baseName = QFileInfo(QApplication::applicationFilePath()).completeBaseName();
1315         int idx1 = baseName.indexOf("lamexp", 0, Qt::CaseInsensitive);
1316         int idx2 = baseName.lastIndexOf("portable", -1, Qt::CaseInsensitive);
1317         return (idx1 >= 0) && (idx2 >= 0) && (idx1 < idx2);
1318 }
1319
1320 /*
1321  * Get a random string
1322  */
1323 QString lamexp_rand_str(void)
1324 {
1325         QRegExp regExp("\\{(\\w+)-(\\w+)-(\\w+)-(\\w+)-(\\w+)\\}");
1326         QString uuid = QUuid::createUuid().toString();
1327
1328         if(regExp.indexIn(uuid) >= 0)
1329         {
1330                 return QString().append(regExp.cap(1)).append(regExp.cap(2)).append(regExp.cap(3)).append(regExp.cap(4)).append(regExp.cap(5));
1331         }
1332
1333         throw "The RegExp didn't match on the UUID string. This shouldn't happen ;-)";
1334 }
1335
1336 /*
1337  * Get LameXP temp folder
1338  */
1339 const QString &lamexp_temp_folder2(void)
1340 {
1341         static const char *TEMP_STR = "Temp";
1342         const QString WRITE_TEST_DATA = lamexp_rand_str();
1343         const QString SUB_FOLDER = lamexp_rand_str();
1344
1345         //Already initialized?
1346         if(!g_lamexp_temp_folder.isEmpty())
1347         {
1348                 if(QDir(g_lamexp_temp_folder).exists())
1349                 {
1350                         return g_lamexp_temp_folder;
1351                 }
1352                 else
1353                 {
1354                         g_lamexp_temp_folder.clear();
1355                 }
1356         }
1357
1358         //Try the %TMP% or %TEMP% directory first
1359         QDir temp = QDir::temp();
1360         if(temp.exists())
1361         {
1362                 temp.mkdir(SUB_FOLDER);
1363                 if(temp.cd(SUB_FOLDER) && temp.exists())
1364                 {
1365                         QFile testFile(QString("%1/~%2.tmp").arg(temp.canonicalPath(), lamexp_rand_str()));
1366                         if(testFile.open(QIODevice::ReadWrite))
1367                         {
1368                                 if(testFile.write(WRITE_TEST_DATA.toLatin1().constData()) >= strlen(WRITE_TEST_DATA.toLatin1().constData()))
1369                                 {
1370                                         g_lamexp_temp_folder = temp.canonicalPath();
1371                                 }
1372                                 testFile.remove();
1373                         }
1374                 }
1375                 if(!g_lamexp_temp_folder.isEmpty())
1376                 {
1377                         return g_lamexp_temp_folder;
1378                 }
1379         }
1380
1381         //Create TEMP folder in %LOCALAPPDATA%
1382         QDir localAppData = QDir(lamexp_known_folder(lamexp_folder_localappdata));
1383         if(!localAppData.path().isEmpty())
1384         {
1385                 if(!localAppData.exists())
1386                 {
1387                         localAppData.mkpath(".");
1388                 }
1389                 if(localAppData.exists())
1390                 {
1391                         if(!localAppData.entryList(QDir::AllDirs).contains(TEMP_STR, Qt::CaseInsensitive))
1392                         {
1393                                 localAppData.mkdir(TEMP_STR);
1394                         }
1395                         if(localAppData.cd(TEMP_STR) && localAppData.exists())
1396                         {
1397                                 localAppData.mkdir(SUB_FOLDER);
1398                                 if(localAppData.cd(SUB_FOLDER) && localAppData.exists())
1399                                 {
1400                                         QFile testFile(QString("%1/~%2.tmp").arg(localAppData.canonicalPath(), lamexp_rand_str()));
1401                                         if(testFile.open(QIODevice::ReadWrite))
1402                                         {
1403                                                 if(testFile.write(WRITE_TEST_DATA.toLatin1().constData()) >= strlen(WRITE_TEST_DATA.toLatin1().constData()))
1404                                                 {
1405                                                         g_lamexp_temp_folder = localAppData.canonicalPath();
1406                                                 }
1407                                                 testFile.remove();
1408                                         }
1409                                 }
1410                         }
1411                 }
1412                 if(!g_lamexp_temp_folder.isEmpty())
1413                 {
1414                         return g_lamexp_temp_folder;
1415                 }
1416         }
1417
1418         //Failed to create TEMP folder!
1419         qFatal("Temporary directory could not be initialized!\n\nFirst attempt:\n%s\n\nSecond attempt:\n%s", temp.canonicalPath().toUtf8().constData(), localAppData.canonicalPath().toUtf8().constData());
1420         return g_lamexp_temp_folder;
1421 }
1422
1423 /*
1424  * Clean folder
1425  */
1426 bool lamexp_clean_folder(const QString &folderPath)
1427 {
1428         QDir tempFolder(folderPath);
1429         QFileInfoList entryList = tempFolder.entryInfoList(QDir::AllEntries | QDir::NoDotAndDotDot);
1430
1431         for(int i = 0; i < entryList.count(); i++)
1432         {
1433                 if(entryList.at(i).isDir())
1434                 {
1435                         lamexp_clean_folder(entryList.at(i).canonicalFilePath());
1436                 }
1437                 else
1438                 {
1439                         for(int j = 0; j < 3; j++)
1440                         {
1441                                 if(lamexp_remove_file(entryList.at(i).canonicalFilePath()))
1442                                 {
1443                                         break;
1444                                 }
1445                         }
1446                 }
1447         }
1448
1449         tempFolder.rmdir(".");
1450         return !tempFolder.exists();
1451 }
1452
1453 /*
1454  * Register tool
1455  */
1456 void lamexp_register_tool(const QString &toolName, LockedFile *file, unsigned int version)
1457 {
1458         if(g_lamexp_tool_registry.contains(toolName.toLower()))
1459         {
1460                 throw "lamexp_register_tool: Tool is already registered!";
1461         }
1462
1463         g_lamexp_tool_registry.insert(toolName.toLower(), file);
1464         g_lamexp_tool_versions.insert(toolName.toLower(), version);
1465 }
1466
1467 /*
1468  * Check for tool
1469  */
1470 bool lamexp_check_tool(const QString &toolName)
1471 {
1472         return g_lamexp_tool_registry.contains(toolName.toLower());
1473 }
1474
1475 /*
1476  * Lookup tool path
1477  */
1478 const QString lamexp_lookup_tool(const QString &toolName)
1479 {
1480         if(g_lamexp_tool_registry.contains(toolName.toLower()))
1481         {
1482                 return g_lamexp_tool_registry.value(toolName.toLower())->filePath();
1483         }
1484         else
1485         {
1486                 return QString();
1487         }
1488 }
1489
1490 /*
1491  * Lookup tool version
1492  */
1493 unsigned int lamexp_tool_version(const QString &toolName)
1494 {
1495         if(g_lamexp_tool_versions.contains(toolName.toLower()))
1496         {
1497                 return g_lamexp_tool_versions.value(toolName.toLower());
1498         }
1499         else
1500         {
1501                 return UINT_MAX;
1502         }
1503 }
1504
1505 /*
1506  * Version number to human-readable string
1507  */
1508 const QString lamexp_version2string(const QString &pattern, unsigned int version, const QString &defaultText)
1509 {
1510         if(version == UINT_MAX)
1511         {
1512                 return defaultText;
1513         }
1514
1515         QString result = pattern;
1516         int digits = result.count("?", Qt::CaseInsensitive);
1517
1518         if(digits < 1)
1519         {
1520                 return result;
1521         }
1522
1523         int pos = 0;
1524         QString versionStr = QString().sprintf(QString().sprintf("%%0%du", digits).toLatin1().constData(), version);
1525         int index = result.indexOf("?", Qt::CaseInsensitive);
1526
1527         while(index >= 0 && pos < versionStr.length())
1528         {
1529                 result[index] = versionStr[pos++];
1530                 index = result.indexOf("?", Qt::CaseInsensitive);
1531         }
1532
1533         return result;
1534 }
1535
1536 /*
1537  * Register a new translation
1538  */
1539 bool lamexp_translation_register(const QString &langId, const QString &qmFile, const QString &langName, unsigned int &systemId, unsigned int &country)
1540 {
1541         if(qmFile.isEmpty() || langName.isEmpty() || systemId < 1)
1542         {
1543                 return false;
1544         }
1545
1546         g_lamexp_translation.files.insert(langId, qmFile);
1547         g_lamexp_translation.names.insert(langId, langName);
1548         g_lamexp_translation.sysid.insert(langId, systemId);
1549         g_lamexp_translation.cntry.insert(langId, country);
1550
1551         return true;
1552 }
1553
1554 /*
1555  * Get list of all translations
1556  */
1557 QStringList lamexp_query_translations(void)
1558 {
1559         return g_lamexp_translation.files.keys();
1560 }
1561
1562 /*
1563  * Get translation name
1564  */
1565 QString lamexp_translation_name(const QString &langId)
1566 {
1567         return g_lamexp_translation.names.value(langId.toLower(), QString());
1568 }
1569
1570 /*
1571  * Get translation system id
1572  */
1573 unsigned int lamexp_translation_sysid(const QString &langId)
1574 {
1575         return g_lamexp_translation.sysid.value(langId.toLower(), 0);
1576 }
1577
1578 /*
1579  * Get translation script id
1580  */
1581 unsigned int lamexp_translation_country(const QString &langId)
1582 {
1583         return g_lamexp_translation.cntry.value(langId.toLower(), 0);
1584 }
1585
1586 /*
1587  * Install a new translator
1588  */
1589 bool lamexp_install_translator(const QString &langId)
1590 {
1591         bool success = false;
1592
1593         if(langId.isEmpty() || langId.toLower().compare(LAMEXP_DEFAULT_LANGID) == 0)
1594         {
1595                 success = lamexp_install_translator_from_file(QString());
1596         }
1597         else
1598         {
1599                 QString qmFile = g_lamexp_translation.files.value(langId.toLower(), QString());
1600                 if(!qmFile.isEmpty())
1601                 {
1602                         success = lamexp_install_translator_from_file(QString(":/localization/%1").arg(qmFile));
1603                 }
1604                 else
1605                 {
1606                         qWarning("Translation '%s' not available!", langId.toLatin1().constData());
1607                 }
1608         }
1609
1610         return success;
1611 }
1612
1613 /*
1614  * Install a new translator from file
1615  */
1616 bool lamexp_install_translator_from_file(const QString &qmFile)
1617 {
1618         bool success = false;
1619
1620         if(!g_lamexp_currentTranslator)
1621         {
1622                 g_lamexp_currentTranslator = new QTranslator();
1623         }
1624
1625         if(!qmFile.isEmpty())
1626         {
1627                 QString qmPath = QFileInfo(qmFile).canonicalFilePath();
1628                 QApplication::removeTranslator(g_lamexp_currentTranslator);
1629                 success = g_lamexp_currentTranslator->load(qmPath);
1630                 QApplication::installTranslator(g_lamexp_currentTranslator);
1631                 if(!success)
1632                 {
1633                         qWarning("Failed to load translation:\n\"%s\"", qmPath.toLatin1().constData());
1634                 }
1635         }
1636         else
1637         {
1638                 QApplication::removeTranslator(g_lamexp_currentTranslator);
1639                 success = true;
1640         }
1641
1642         return success;
1643 }
1644
1645 /*
1646  * Locate known folder on local system
1647  */
1648 QString lamexp_known_folder(lamexp_known_folder_t folder_id)
1649 {
1650         typedef HRESULT (WINAPI *SHGetKnownFolderPathFun)(__in const GUID &rfid, __in DWORD dwFlags, __in HANDLE hToken, __out PWSTR *ppszPath);
1651         typedef HRESULT (WINAPI *SHGetFolderPathFun)(__in HWND hwndOwner, __in int nFolder, __in HANDLE hToken, __in DWORD dwFlags, __out LPWSTR pszPath);
1652
1653         static const int CSIDL_LOCAL_APPDATA = 0x001c;
1654         static const int CSIDL_PROGRAM_FILES = 0x0026;
1655         static const int CSIDL_SYSTEM_FOLDER = 0x0025;
1656         static const GUID GUID_LOCAL_APPDATA = {0xF1B32785,0x6FBA,0x4FCF,{0x9D,0x55,0x7B,0x8E,0x7F,0x15,0x70,0x91}};
1657         static const GUID GUID_LOCAL_APPDATA_LOW = {0xA520A1A4,0x1780,0x4FF6,{0xBD,0x18,0x16,0x73,0x43,0xC5,0xAF,0x16}};
1658         static const GUID GUID_PROGRAM_FILES = {0x905e63b6,0xc1bf,0x494e,{0xb2,0x9c,0x65,0xb7,0x32,0xd3,0xd2,0x1a}};
1659         static const GUID GUID_SYSTEM_FOLDER = {0x1AC14E77,0x02E7,0x4E5D,{0xB7,0x44,0x2E,0xB1,0xAE,0x51,0x98,0xB7}};
1660
1661         static QLibrary *Kernel32Lib = NULL;
1662         static SHGetKnownFolderPathFun SHGetKnownFolderPathPtr = NULL;
1663         static SHGetFolderPathFun SHGetFolderPathPtr = NULL;
1664
1665         if((!SHGetKnownFolderPathPtr) && (!SHGetFolderPathPtr))
1666         {
1667                 if(!Kernel32Lib) Kernel32Lib = new QLibrary("shell32.dll");
1668                 SHGetKnownFolderPathPtr = (SHGetKnownFolderPathFun) Kernel32Lib->resolve("SHGetKnownFolderPath");
1669                 SHGetFolderPathPtr = (SHGetFolderPathFun) Kernel32Lib->resolve("SHGetFolderPathW");
1670         }
1671
1672         int folderCSIDL = -1;
1673         GUID folderGUID = {0x0000,0x0000,0x0000,{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}};
1674
1675         switch(folder_id)
1676         {
1677         case lamexp_folder_localappdata:
1678                 folderCSIDL = CSIDL_LOCAL_APPDATA;
1679                 folderGUID = GUID_LOCAL_APPDATA;
1680                 break;
1681         case lamexp_folder_programfiles:
1682                 folderCSIDL = CSIDL_PROGRAM_FILES;
1683                 folderGUID = GUID_PROGRAM_FILES;
1684                 break;
1685         case lamexp_folder_systemfolder:
1686                 folderCSIDL = CSIDL_SYSTEM_FOLDER;
1687                 folderGUID = GUID_SYSTEM_FOLDER;
1688                 break;
1689         default:
1690                 return QString();
1691                 break;
1692         }
1693
1694         QString folder;
1695
1696         if(SHGetKnownFolderPathPtr)
1697         {
1698                 WCHAR *path = NULL;
1699                 if(SHGetKnownFolderPathPtr(folderGUID, 0x00008000, NULL, &path) == S_OK)
1700                 {
1701                         //MessageBoxW(0, path, L"SHGetKnownFolderPath", MB_TOPMOST);
1702                         QDir folderTemp = QDir(QDir::fromNativeSeparators(QString::fromUtf16(reinterpret_cast<const unsigned short*>(path))));
1703                         if(!folderTemp.exists())
1704                         {
1705                                 folderTemp.mkpath(".");
1706                         }
1707                         if(folderTemp.exists())
1708                         {
1709                                 folder = folderTemp.canonicalPath();
1710                         }
1711                         CoTaskMemFree(path);
1712                 }
1713         }
1714         else if(SHGetFolderPathPtr)
1715         {
1716                 WCHAR *path = new WCHAR[4096];
1717                 if(SHGetFolderPathPtr(NULL, folderCSIDL, NULL, NULL, path) == S_OK)
1718                 {
1719                         //MessageBoxW(0, path, L"SHGetFolderPathW", MB_TOPMOST);
1720                         QDir folderTemp = QDir(QDir::fromNativeSeparators(QString::fromUtf16(reinterpret_cast<const unsigned short*>(path))));
1721                         if(!folderTemp.exists())
1722                         {
1723                                 folderTemp.mkpath(".");
1724                         }
1725                         if(folderTemp.exists())
1726                         {
1727                                 folder = folderTemp.canonicalPath();
1728                         }
1729                 }
1730                 delete [] path;
1731         }
1732
1733         return folder;
1734 }
1735
1736 /*
1737  * Safely remove a file
1738  */
1739 bool lamexp_remove_file(const QString &filename)
1740 {
1741         if(!QFileInfo(filename).exists() || !QFileInfo(filename).isFile())
1742         {
1743                 return true;
1744         }
1745         else
1746         {
1747                 if(!QFile::remove(filename))
1748                 {
1749                         DWORD attributes = GetFileAttributesW(QWCHAR(filename));
1750                         SetFileAttributesW(QWCHAR(filename), (attributes & (~FILE_ATTRIBUTE_READONLY)));
1751                         if(!QFile::remove(filename))
1752                         {
1753                                 qWarning("Could not delete \"%s\"", filename.toLatin1().constData());
1754                                 return false;
1755                         }
1756                         else
1757                         {
1758                                 return true;
1759                         }
1760                 }
1761                 else
1762                 {
1763                         return true;
1764                 }
1765         }
1766 }
1767
1768 /*
1769  * Check if visual themes are enabled (WinXP and later)
1770  */
1771 bool lamexp_themes_enabled(void)
1772 {
1773         typedef int (WINAPI *IsAppThemedFun)(void);
1774
1775         bool isAppThemed = false;
1776         QLibrary uxTheme(QString("%1/UxTheme.dll").arg(lamexp_known_folder(lamexp_folder_systemfolder)));
1777         IsAppThemedFun IsAppThemedPtr = (IsAppThemedFun) uxTheme.resolve("IsAppThemed");
1778
1779         if(IsAppThemedPtr)
1780         {
1781                 isAppThemed = IsAppThemedPtr();
1782                 if(!isAppThemed)
1783                 {
1784                         qWarning("Theme support is disabled for this process!");
1785                 }
1786         }
1787
1788         return isAppThemed;
1789 }
1790
1791 /*
1792  * Get number of free bytes on disk
1793  */
1794 unsigned __int64 lamexp_free_diskspace(const QString &path, bool *ok)
1795 {
1796         ULARGE_INTEGER freeBytesAvailable, totalNumberOfBytes, totalNumberOfFreeBytes;
1797         if(GetDiskFreeSpaceExW(reinterpret_cast<const wchar_t*>(QDir::toNativeSeparators(path).utf16()), &freeBytesAvailable, &totalNumberOfBytes, &totalNumberOfFreeBytes))
1798         {
1799                 if(ok) *ok = true;
1800                 return freeBytesAvailable.QuadPart;
1801         }
1802         else
1803         {
1804                 if(ok) *ok = false;
1805                 return 0;
1806         }
1807 }
1808
1809 /*
1810  * Check if computer does support hibernation
1811  */
1812 bool lamexp_is_hibernation_supported(void)
1813 {
1814         bool hibernationSupported = false;
1815
1816         SYSTEM_POWER_CAPABILITIES pwrCaps;
1817         SecureZeroMemory(&pwrCaps, sizeof(SYSTEM_POWER_CAPABILITIES));
1818
1819         if(GetPwrCapabilities(&pwrCaps))
1820         {
1821                 hibernationSupported = pwrCaps.SystemS4 && pwrCaps.HiberFilePresent;
1822         }
1823
1824         return hibernationSupported;
1825 }
1826
1827 /*
1828  * Shutdown the computer
1829  */
1830 bool lamexp_shutdown_computer(const QString &message, const unsigned long timeout, const bool forceShutdown, const bool hibernate)
1831 {
1832         HANDLE hToken = NULL;
1833
1834         if(OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
1835         {
1836                 TOKEN_PRIVILEGES privileges;
1837                 memset(&privileges, 0, sizeof(TOKEN_PRIVILEGES));
1838                 privileges.PrivilegeCount = 1;
1839                 privileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
1840
1841                 if(LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &privileges.Privileges[0].Luid))
1842                 {
1843                         if(AdjustTokenPrivileges(hToken, FALSE, &privileges, NULL, NULL, NULL))
1844                         {
1845                                 if(hibernate)
1846                                 {
1847                                         if(SetSuspendState(TRUE, TRUE, TRUE))
1848                                         {
1849                                                 return true;
1850                                         }
1851                                 }
1852                                 const DWORD reason = SHTDN_REASON_MAJOR_APPLICATION | SHTDN_REASON_FLAG_PLANNED;
1853                                 return InitiateSystemShutdownEx(NULL, const_cast<wchar_t*>(QWCHAR(message)), timeout, forceShutdown ? TRUE : FALSE, FALSE, reason);
1854                         }
1855                 }
1856         }
1857
1858         return false;
1859 }
1860
1861 /*
1862  * Make a window blink (to draw user's attention)
1863  */
1864 void lamexp_blink_window(QWidget *poWindow, unsigned int count, unsigned int delay)
1865 {
1866         static QMutex blinkMutex;
1867
1868         const double maxOpac = 1.0;
1869         const double minOpac = 0.3;
1870         const double delOpac = 0.1;
1871
1872         if(!blinkMutex.tryLock())
1873         {
1874                 qWarning("Blinking is already in progress, skipping!");
1875                 return;
1876         }
1877
1878         try
1879         {
1880                 const int steps = static_cast<int>(ceil(maxOpac - minOpac) / delOpac);
1881                 const int sleep = static_cast<int>(floor(static_cast<double>(delay) / static_cast<double>(steps)));
1882                 const double opacity = poWindow->windowOpacity();
1883
1884                 for(unsigned int i = 0; i < count; i++)
1885                 {
1886                         for(double x = maxOpac; x >= minOpac; x -= delOpac)
1887                         {
1888                                 poWindow->setWindowOpacity(x);
1889                                 QApplication::processEvents();
1890                                 Sleep(sleep);
1891                         }
1892
1893                         for(double x = minOpac; x <= maxOpac; x += delOpac)
1894                         {
1895                                 poWindow->setWindowOpacity(x);
1896                                 QApplication::processEvents();
1897                                 Sleep(sleep);
1898                         }
1899                 }
1900
1901                 poWindow->setWindowOpacity(opacity);
1902                 QApplication::processEvents();
1903                 blinkMutex.unlock();
1904         }
1905         catch (...)
1906         {
1907                 blinkMutex.unlock();
1908                 qWarning("Exception error while blinking!");
1909         }
1910 }
1911
1912 /*
1913  * Remove forbidden characters from a filename
1914  */
1915 const QString lamexp_clean_filename(const QString &str)
1916 {
1917         QString newStr(str);
1918
1919         newStr.replace("\\", "-");
1920         newStr.replace(" / ", ", ");
1921         newStr.replace("/", ",");
1922         newStr.replace(":", "-");
1923         newStr.replace("*", "x");
1924         newStr.replace("?", "");
1925         newStr.replace("<", "[");
1926         newStr.replace(">", "]");
1927         newStr.replace("|", "!");
1928
1929         return newStr.simplified();
1930 }
1931
1932 /*
1933  * Remove forbidden characters from a file path
1934  */
1935 const QString lamexp_clean_filepath(const QString &str)
1936 {
1937         QStringList parts = QString(str).replace("\\", "/").split("/");
1938
1939         for(int i = 0; i < parts.count(); i++)
1940         {
1941                 parts[i] = lamexp_clean_filename(parts[i]);
1942         }
1943
1944         return parts.join("/");
1945 }
1946
1947 /*
1948  * Get a list of all available Qt Text Codecs
1949  */
1950 QStringList lamexp_available_codepages(bool noAliases)
1951 {
1952         QStringList codecList;
1953
1954         QList<QByteArray> availableCodecs = QTextCodec::availableCodecs();
1955         while(!availableCodecs.isEmpty())
1956         {
1957                 QByteArray current = availableCodecs.takeFirst();
1958                 if(!(current.startsWith("system") || current.startsWith("System")))
1959                 {
1960                         codecList << QString::fromLatin1(current.constData(), current.size());
1961                         if(noAliases)
1962                         {
1963                                 if(QTextCodec *currentCodec = QTextCodec::codecForName(current.constData()))
1964                                 {
1965
1966                                         QList<QByteArray> aliases = currentCodec->aliases();
1967                                         while(!aliases.isEmpty()) availableCodecs.removeAll(aliases.takeFirst());
1968                                 }
1969                         }
1970                 }
1971         }
1972
1973         return codecList;
1974 }
1975
1976 /*
1977  * Finalization function (final clean-up)
1978  */
1979 void lamexp_finalization(void)
1980 {
1981         qDebug("lamexp_finalization()");
1982
1983         //Free all tools
1984         if(!g_lamexp_tool_registry.isEmpty())
1985         {
1986                 QStringList keys = g_lamexp_tool_registry.keys();
1987                 for(int i = 0; i < keys.count(); i++)
1988                 {
1989                         LAMEXP_DELETE(g_lamexp_tool_registry[keys.at(i)]);
1990                 }
1991                 g_lamexp_tool_registry.clear();
1992                 g_lamexp_tool_versions.clear();
1993         }
1994
1995         //Delete temporary files
1996         if(!g_lamexp_temp_folder.isEmpty())
1997         {
1998                 for(int i = 0; i < 100; i++)
1999                 {
2000                         if(lamexp_clean_folder(g_lamexp_temp_folder))
2001                         {
2002                                 break;
2003                         }
2004                         Sleep(125);
2005                 }
2006                 g_lamexp_temp_folder.clear();
2007         }
2008
2009         //Clear languages
2010         if(g_lamexp_currentTranslator)
2011         {
2012                 QApplication::removeTranslator(g_lamexp_currentTranslator);
2013                 LAMEXP_DELETE(g_lamexp_currentTranslator);
2014         }
2015         g_lamexp_translation.files.clear();
2016         g_lamexp_translation.names.clear();
2017
2018         //Destroy Qt application object
2019         QApplication *application = dynamic_cast<QApplication*>(QApplication::instance());
2020         LAMEXP_DELETE(application);
2021
2022         //Detach from shared memory
2023         if(g_lamexp_ipc_ptr.sharedmem) g_lamexp_ipc_ptr.sharedmem->detach();
2024         LAMEXP_DELETE(g_lamexp_ipc_ptr.sharedmem);
2025         LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read);
2026         LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write);
2027
2028         //Close log file
2029         if(g_lamexp_log_file)
2030         {
2031                 fclose(g_lamexp_log_file);
2032                 g_lamexp_log_file = NULL;
2033         }
2034 }
2035
2036 /*
2037  * Initialize debug thread
2038  */
2039 static const HANDLE g_debug_thread = LAMEXP_DEBUG ? NULL : lamexp_debug_thread_init();
2040
2041 /*
2042  * Get number private bytes [debug only]
2043  */
2044 SIZE_T lamexp_dbg_private_bytes(void)
2045 {
2046 #if LAMEXP_DEBUG
2047         PROCESS_MEMORY_COUNTERS_EX memoryCounters;
2048         memoryCounters.cb = sizeof(PROCESS_MEMORY_COUNTERS_EX);
2049         GetProcessMemoryInfo(GetCurrentProcess(), (PPROCESS_MEMORY_COUNTERS) &memoryCounters, sizeof(PROCESS_MEMORY_COUNTERS_EX));
2050         return memoryCounters.PrivateUsage;
2051 #else
2052         throw "Cannot call this function in a non-debug build!";
2053 #endif //LAMEXP_DEBUG
2054 }