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Merge branch 'master' of github.com:lordmulder/LameXP
[lamexp/LameXP.git] / src / Global.cpp
1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2011 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
47 //LameXP includes
48 #include "Resource.h"
49 #include "LockedFile.h"
50
51 //CRT includes
52 #include <iostream>
53 #include <fstream>
54 #include <io.h>
55 #include <fcntl.h>
56 #include <intrin.h>
57 #include <math.h>
58
59 //COM includes
60 #include <Objbase.h>
61
62 //Debug only includes
63 #if LAMEXP_DEBUG
64 #include <Psapi.h>
65 #endif
66
67 //Initialize static Qt plugins
68 #ifdef QT_NODLL
69 Q_IMPORT_PLUGIN(qgif)
70 Q_IMPORT_PLUGIN(qico)
71 Q_IMPORT_PLUGIN(qsvg)
72 #endif
73
74 ///////////////////////////////////////////////////////////////////////////////
75 // TYPES
76 ///////////////////////////////////////////////////////////////////////////////
77
78 typedef struct
79 {
80         unsigned int command;
81         unsigned int reserved_1;
82         unsigned int reserved_2;
83         char parameter[4096];
84 } lamexp_ipc_t;
85
86 ///////////////////////////////////////////////////////////////////////////////
87 // GLOBAL VARS
88 ///////////////////////////////////////////////////////////////////////////////
89
90 //Build version
91 static const struct
92 {
93         unsigned int ver_major;
94         unsigned int ver_minor;
95         unsigned int ver_build;
96         char *ver_release_name;
97 }
98 g_lamexp_version =
99 {
100         VER_LAMEXP_MAJOR,
101         VER_LAMEXP_MINOR,
102         VER_LAMEXP_BUILD,
103         VER_LAMEXP_RNAME
104 };
105
106 //Build date
107 static QDate g_lamexp_version_date;
108 static const char *g_lamexp_months[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
109 static const char *g_lamexp_version_raw_date = __DATE__;
110 static const char *g_lamexp_version_raw_time = __TIME__;
111
112 //Console attached flag
113 static bool g_lamexp_console_attached = false;
114
115 //Compiler detection
116 //The following code was borrowed from MPC-HC project: http://mpc-hc.sf.net/
117 #if defined(__INTEL_COMPILER)
118         #if (__INTEL_COMPILER >= 1200)
119                 static const char *g_lamexp_version_compiler = "ICL 12.x";
120         #elif (__INTEL_COMPILER >= 1100)
121                 static const char *g_lamexp_version_compiler = = "ICL 11.x";
122         #elif (__INTEL_COMPILER >= 1000)
123                 static const char *g_lamexp_version_compiler = = "ICL 10.x";
124         #else
125                 #error Compiler is not supported!
126         #endif
127 #elif defined(_MSC_VER)
128         #if (_MSC_VER == 1600)
129                 #if (_MSC_FULL_VER >= 160040219)
130                         static const char *g_lamexp_version_compiler = "MSVC 2010-SP1";
131                 #else
132                         static const char *g_lamexp_version_compiler = "MSVC 2010";
133                 #endif
134         #elif (_MSC_VER == 1500)
135                 #if (_MSC_FULL_VER >= 150030729)
136                         static const char *g_lamexp_version_compiler = "MSVC 2008-SP1";
137                 #else
138                         static const char *g_lamexp_version_compiler = "MSVC 2008";
139                 #endif
140         #else
141                 #error Compiler is not supported!
142         #endif
143
144         // Note: /arch:SSE and /arch:SSE2 are only available for the x86 platform
145         #if !defined(_M_X64) && defined(_M_IX86_FP)
146                 #if (_M_IX86_FP == 1)
147                         LAMEXP_COMPILER_WARNING("SSE instruction set is enabled!")
148                 #elif (_M_IX86_FP == 2)
149                         LAMEXP_COMPILER_WARNING("SSE2 instruction set is enabled!")
150                 #endif
151         #endif
152 #else
153         #error Compiler is not supported!
154 #endif
155
156 //Architecture detection
157 #if defined(_M_X64)
158         static const char *g_lamexp_version_arch = "x64";
159 #elif defined(_M_IX86)
160         static const char *g_lamexp_version_arch = "x86";
161 #else
162         #error Architecture is not supported!
163 #endif
164
165 //Official web-site URL
166 static const char *g_lamexp_website_url = "http://lamexp.sourceforge.net/";
167 static const char *g_lamexp_support_url = "http://forum.doom9.org/showthread.php?t=157726";
168
169 //Tool versions (expected versions!)
170 static const unsigned int g_lamexp_toolver_neroaac = VER_LAMEXP_TOOL_NEROAAC;
171 static const unsigned int g_lamexp_toolver_fhgaacenc = VER_LAMEXP_TOOL_FHGAACENC;
172
173 //Special folders
174 static QString g_lamexp_temp_folder;
175
176 //Tools
177 static QMap<QString, LockedFile*> g_lamexp_tool_registry;
178 static QMap<QString, unsigned int> g_lamexp_tool_versions;
179
180 //Languages
181 static struct
182 {
183         QMap<QString, QString> files;
184         QMap<QString, QString> names;
185         QMap<QString, unsigned int> sysid;
186 }
187 g_lamexp_translation;
188
189 //Translator
190 static QTranslator *g_lamexp_currentTranslator = NULL;
191
192 //Shared memory
193 static const struct
194 {
195         char *sharedmem;
196         char *semaphore_read;
197         char *semaphore_write;
198 }
199 g_lamexp_ipc_uuid =
200 {
201         "{21A68A42-6923-43bb-9CF6-64BF151942EE}",
202         "{7A605549-F58C-4d78-B4E5-06EFC34F405B}",
203         "{60AA8D04-F6B8-497d-81EB-0F600F4A65B5}"
204 };
205 static struct
206 {
207         QSharedMemory *sharedmem;
208         QSystemSemaphore *semaphore_read;
209         QSystemSemaphore *semaphore_write;
210 }
211 g_lamexp_ipc_ptr =
212 {
213         NULL, NULL, NULL
214 };
215
216 //Image formats
217 static const char *g_lamexp_imageformats[] = {"png", "jpg", "gif", "ico", "svg", NULL};
218
219 //Global locks
220 static QMutex g_lamexp_message_mutex;
221
222 //Main thread ID
223 static const DWORD g_main_thread_id = GetCurrentThreadId();
224
225
226 ///////////////////////////////////////////////////////////////////////////////
227 // GLOBAL FUNCTIONS
228 ///////////////////////////////////////////////////////////////////////////////
229
230 /*
231  * Version getters
232  */
233 unsigned int lamexp_version_major(void) { return g_lamexp_version.ver_major; }
234 unsigned int lamexp_version_minor(void) { return g_lamexp_version.ver_minor; }
235 unsigned int lamexp_version_build(void) { return g_lamexp_version.ver_build; }
236 const char *lamexp_version_release(void) { return g_lamexp_version.ver_release_name; }
237 const char *lamexp_version_time(void) { return g_lamexp_version_raw_time; }
238 const char *lamexp_version_compiler(void) { return g_lamexp_version_compiler; }
239 const char *lamexp_version_arch(void) { return g_lamexp_version_arch; }
240 unsigned int lamexp_toolver_neroaac(void) { return g_lamexp_toolver_neroaac; }
241 unsigned int lamexp_toolver_fhgaacenc(void) { return g_lamexp_toolver_fhgaacenc; }
242
243 /*
244  * URL getters
245  */
246 const char *lamexp_website_url(void) { return g_lamexp_website_url; }
247 const char *lamexp_support_url(void) { return g_lamexp_support_url; }
248
249 /*
250  * Check for Demo (pre-release) version
251  */
252 bool lamexp_version_demo(void)
253 {
254         char buffer[128];
255         bool releaseVersion = false;
256         if(!strncpy_s(buffer, 128, g_lamexp_version.ver_release_name, _TRUNCATE))
257         {
258                 char *context, *prefix = strtok_s(buffer, "-,; ", &context);
259                 if(prefix)
260                 {
261                         releaseVersion = (!_stricmp(prefix, "Final")) || (!_stricmp(prefix, "Hotfix"));
262                 }
263         }
264         return LAMEXP_DEBUG || (!releaseVersion);
265 }
266
267 /*
268  * Calculate expiration date
269  */
270 QDate lamexp_version_expires(void)
271 {
272         return lamexp_version_date().addDays(LAMEXP_DEBUG ? 2 : 30);
273 }
274
275 /*
276  * Get build date date
277  */
278 const QDate &lamexp_version_date(void)
279 {
280         if(!g_lamexp_version_date.isValid())
281         {
282                 char temp[32];
283                 int date[3];
284
285                 char *this_token = NULL;
286                 char *next_token = NULL;
287
288                 strncpy_s(temp, 32, g_lamexp_version_raw_date, _TRUNCATE);
289                 this_token = strtok_s(temp, " ", &next_token);
290
291                 for(int i = 0; i < 3; i++)
292                 {
293                         date[i] = -1;
294                         if(this_token)
295                         {
296                                 for(int j = 0; j < 12; j++)
297                                 {
298                                         if(!_strcmpi(this_token, g_lamexp_months[j]))
299                                         {
300                                                 date[i] = j+1;
301                                                 break;
302                                         }
303                                 }
304                                 if(date[i] < 0)
305                                 {
306                                         date[i] = atoi(this_token);
307                                 }
308                                 this_token = strtok_s(NULL, " ", &next_token);
309                         }
310                 }
311
312                 if(date[0] >= 0 && date[1] >= 0 && date[2] >= 0)
313                 {
314                         g_lamexp_version_date = QDate(date[2], date[0], date[1]);
315                 }
316         }
317
318         return g_lamexp_version_date;
319 }
320
321 /*
322  * Global exception handler
323  */
324 LONG WINAPI lamexp_exception_handler(__in struct _EXCEPTION_POINTERS *ExceptionInfo)
325 {
326         if(GetCurrentThreadId() != g_main_thread_id)
327         {
328                 HANDLE mainThread = OpenThread(THREAD_TERMINATE, FALSE, g_main_thread_id);
329                 if(mainThread) TerminateThread(mainThread, ULONG_MAX);
330         }
331         
332         FatalAppExit(0, L"Unhandeled exception handler invoked, application will exit!");
333         TerminateProcess(GetCurrentProcess(), -1);
334         return LONG_MAX;
335 }
336
337 /*
338  * Invalid parameters handler
339  */
340 void lamexp_invalid_param_handler(const wchar_t*, const wchar_t*, const wchar_t*, unsigned int, uintptr_t)
341 {
342         if(GetCurrentThreadId() != g_main_thread_id)
343         {
344                 HANDLE mainThread = OpenThread(THREAD_TERMINATE, FALSE, g_main_thread_id);
345                 if(mainThread) TerminateThread(mainThread, ULONG_MAX);
346                 
347         }
348         
349         FatalAppExit(0, L"Invalid parameter handler invoked, application will exit!");
350         TerminateProcess(GetCurrentProcess(), -1);
351 }
352
353 /*
354  * Change console text color
355  */
356 static void lamexp_console_color(FILE* file, WORD attributes)
357 {
358         const HANDLE hConsole = (HANDLE)(_get_osfhandle(_fileno(file)));
359         if((hConsole != NULL) && (hConsole != INVALID_HANDLE_VALUE))
360         {
361                 SetConsoleTextAttribute(hConsole, attributes);
362         }
363 }
364
365 /*
366  * Qt message handler
367  */
368 void lamexp_message_handler(QtMsgType type, const char *msg)
369 {
370         static const char *GURU_MEDITATION = "\n\nGURU MEDITATION !!!\n\n";
371         
372         QMutexLocker lock(&g_lamexp_message_mutex);
373
374         //if((strlen(msg) > 8) && (_strnicmp(msg, "@BASE64@", 8) == 0))
375         //{
376         //      buffer = _strdup(QByteArray::fromBase64(msg + 8).constData());
377         //      if(buffer) text = buffer;
378         //}
379
380         if(g_lamexp_console_attached)
381         {
382                 UINT oldOutputCP = GetConsoleOutputCP();
383                 if(oldOutputCP != CP_UTF8) SetConsoleOutputCP(CP_UTF8);
384
385                 switch(type)
386                 {
387                 case QtCriticalMsg:
388                 case QtFatalMsg:
389                         fflush(stdout);
390                         fflush(stderr);
391                         lamexp_console_color(stderr, FOREGROUND_RED | FOREGROUND_INTENSITY);
392                         fprintf(stderr, GURU_MEDITATION);
393                         fprintf(stderr, "%s\n", msg);
394                         fflush(stderr);
395                         break;
396                 case QtWarningMsg:
397                         lamexp_console_color(stderr, FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY);
398                         fprintf(stderr, "%s\n", msg);
399                         fflush(stderr);
400                         break;
401                 default:
402                         lamexp_console_color(stderr, FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY);
403                         fprintf(stderr, "%s\n", msg);
404                         fflush(stderr);
405                         break;
406                 }
407         
408                 lamexp_console_color(stderr, FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED);
409                 if(oldOutputCP != CP_UTF8) SetConsoleOutputCP(oldOutputCP);
410         }
411         else
412         {
413                 QString temp("[LameXP][%1] %2");
414                 
415                 switch(type)
416                 {
417                 case QtCriticalMsg:
418                 case QtFatalMsg:
419                         temp = temp.arg("C", QString::fromUtf8(msg));
420                         break;
421                 case QtWarningMsg:
422                         temp = temp.arg("W", QString::fromUtf8(msg));
423                         break;
424                 default:
425                         temp = temp.arg("I", QString::fromUtf8(msg));
426                         break;
427                 }
428
429                 temp.replace("\n", "\t").append("\n");
430                 OutputDebugStringA(temp.toLatin1().constData());
431         }
432
433         if(type == QtCriticalMsg || type == QtFatalMsg)
434         {
435                 lock.unlock();
436                 MessageBoxW(NULL, QWCHAR(QString::fromUtf8(msg)), L"LameXP - GURU MEDITATION", MB_ICONERROR | MB_TOPMOST | MB_TASKMODAL);
437                 FatalAppExit(0, L"The application has encountered a critical error and will exit now!");
438                 TerminateProcess(GetCurrentProcess(), -1);
439         }
440 }
441
442 /*
443  * Initialize the console
444  */
445 void lamexp_init_console(int argc, char* argv[])
446 {
447         bool enableConsole = lamexp_version_demo();
448
449         if(!LAMEXP_DEBUG)
450         {
451                 for(int i = 0; i < argc; i++)
452                 {
453                         if(!_stricmp(argv[i], "--console"))
454                         {
455                                 enableConsole = true;
456                         }
457                         else if(!_stricmp(argv[i], "--no-console"))
458                         {
459                                 enableConsole = false;
460                         }
461                 }
462         }
463
464         if(enableConsole)
465         {
466                 if(!g_lamexp_console_attached)
467                 {
468                         if(AllocConsole() != FALSE)
469                         {
470                                 SetConsoleCtrlHandler(NULL, TRUE);
471                                 SetConsoleTitle(L"LameXP - Audio Encoder Front-End | Debug Console");
472                                 SetConsoleOutputCP(CP_UTF8);
473                                 g_lamexp_console_attached = true;
474                         }
475                 }
476                 
477                 if(g_lamexp_console_attached)
478                 {
479                         //-------------------------------------------------------------------
480                         //See: http://support.microsoft.com/default.aspx?scid=kb;en-us;105305
481                         //-------------------------------------------------------------------
482                         const int flags = _O_WRONLY | _O_U8TEXT;
483                         int hCrtStdOut = _open_osfhandle((intptr_t) GetStdHandle(STD_OUTPUT_HANDLE), flags);
484                         int hCrtStdErr = _open_osfhandle((intptr_t) GetStdHandle(STD_ERROR_HANDLE), flags);
485                         FILE *hfStdOut = (hCrtStdOut >= 0) ? _fdopen(hCrtStdOut, "wb") : NULL;
486                         FILE *hfStdErr = (hCrtStdErr >= 0) ? _fdopen(hCrtStdErr, "wb") : NULL;
487                         if(hfStdOut) { *stdout = *hfStdOut; std::cout.rdbuf(new std::filebuf(hfStdOut)); }
488                         if(hfStdErr) { *stderr = *hfStdErr; std::cerr.rdbuf(new std::filebuf(hfStdErr)); }
489                 }
490
491                 HWND hwndConsole = GetConsoleWindow();
492
493                 if((hwndConsole != NULL) && (hwndConsole != INVALID_HANDLE_VALUE))
494                 {
495                         HMENU hMenu = GetSystemMenu(hwndConsole, 0);
496                         EnableMenuItem(hMenu, SC_CLOSE, MF_BYCOMMAND | MF_GRAYED);
497                         RemoveMenu(hMenu, SC_CLOSE, MF_BYCOMMAND);
498
499                         SetWindowPos(hwndConsole, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED);
500                         SetWindowLong(hwndConsole, GWL_STYLE, GetWindowLong(hwndConsole, GWL_STYLE) & (~WS_MAXIMIZEBOX) & (~WS_MINIMIZEBOX));
501                         SetWindowPos(hwndConsole, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED);
502                 }
503         }
504 }
505
506 /*
507  * Detect CPU features
508  */
509 lamexp_cpu_t lamexp_detect_cpu_features(int argc, char **argv)
510 {
511         typedef BOOL (WINAPI *IsWow64ProcessFun)(__in HANDLE hProcess, __out PBOOL Wow64Process);
512         typedef VOID (WINAPI *GetNativeSystemInfoFun)(__out LPSYSTEM_INFO lpSystemInfo);
513         
514         static IsWow64ProcessFun IsWow64ProcessPtr = NULL;
515         static GetNativeSystemInfoFun GetNativeSystemInfoPtr = NULL;
516
517         lamexp_cpu_t features;
518         SYSTEM_INFO systemInfo;
519         int CPUInfo[4] = {-1};
520         char CPUIdentificationString[0x40];
521         char CPUBrandString[0x40];
522
523         memset(&features, 0, sizeof(lamexp_cpu_t));
524         memset(&systemInfo, 0, sizeof(SYSTEM_INFO));
525         memset(CPUIdentificationString, 0, sizeof(CPUIdentificationString));
526         memset(CPUBrandString, 0, sizeof(CPUBrandString));
527         
528         __cpuid(CPUInfo, 0);
529         memcpy(CPUIdentificationString, &CPUInfo[1], sizeof(int));
530         memcpy(CPUIdentificationString + 4, &CPUInfo[3], sizeof(int));
531         memcpy(CPUIdentificationString + 8, &CPUInfo[2], sizeof(int));
532         features.intel = (_stricmp(CPUIdentificationString, "GenuineIntel") == 0);
533         strncpy_s(features.vendor, 0x40, CPUIdentificationString, _TRUNCATE);
534
535         if(CPUInfo[0] >= 1)
536         {
537                 __cpuid(CPUInfo, 1);
538                 features.mmx = (CPUInfo[3] & 0x800000) || false;
539                 features.sse = (CPUInfo[3] & 0x2000000) || false;
540                 features.sse2 = (CPUInfo[3] & 0x4000000) || false;
541                 features.ssse3 = (CPUInfo[2] & 0x200) || false;
542                 features.sse3 = (CPUInfo[2] & 0x1) || false;
543                 features.ssse3 = (CPUInfo[2] & 0x200) || false;
544                 features.stepping = CPUInfo[0] & 0xf;
545                 features.model = ((CPUInfo[0] >> 4) & 0xf) + (((CPUInfo[0] >> 16) & 0xf) << 4);
546                 features.family = ((CPUInfo[0] >> 8) & 0xf) + ((CPUInfo[0] >> 20) & 0xff);
547         }
548
549         __cpuid(CPUInfo, 0x80000000);
550         int nExIds = max(min(CPUInfo[0], 0x80000004), 0x80000000);
551
552         for(int i = 0x80000002; i <= nExIds; ++i)
553         {
554                 __cpuid(CPUInfo, i);
555                 switch(i)
556                 {
557                 case 0x80000002:
558                         memcpy(CPUBrandString, CPUInfo, sizeof(CPUInfo));
559                         break;
560                 case 0x80000003:
561                         memcpy(CPUBrandString + 16, CPUInfo, sizeof(CPUInfo));
562                         break;
563                 case 0x80000004:
564                         memcpy(CPUBrandString + 32, CPUInfo, sizeof(CPUInfo));
565                         break;
566                 }
567         }
568
569         strncpy_s(features.brand, 0x40, CPUBrandString, _TRUNCATE);
570
571         if(strlen(features.brand) < 1) strncpy_s(features.brand, 0x40, "Unknown", _TRUNCATE);
572         if(strlen(features.vendor) < 1) strncpy_s(features.vendor, 0x40, "Unknown", _TRUNCATE);
573
574 #if !defined(_M_X64 ) && !defined(_M_IA64)
575         if(!IsWow64ProcessPtr || !GetNativeSystemInfoPtr)
576         {
577                 QLibrary Kernel32Lib("kernel32.dll");
578                 IsWow64ProcessPtr = (IsWow64ProcessFun) Kernel32Lib.resolve("IsWow64Process");
579                 GetNativeSystemInfoPtr = (GetNativeSystemInfoFun) Kernel32Lib.resolve("GetNativeSystemInfo");
580         }
581         if(IsWow64ProcessPtr)
582         {
583                 BOOL x64 = FALSE;
584                 if(IsWow64ProcessPtr(GetCurrentProcess(), &x64))
585                 {
586                         features.x64 = x64;
587                 }
588         }
589         if(GetNativeSystemInfoPtr)
590         {
591                 GetNativeSystemInfoPtr(&systemInfo);
592         }
593         else
594         {
595                 GetSystemInfo(&systemInfo);
596         }
597         features.count = systemInfo.dwNumberOfProcessors;
598 #else
599         GetNativeSystemInfo(&systemInfo);
600         features.count = systemInfo.dwNumberOfProcessors;
601         features.x64 = true;
602 #endif
603
604         if(argv)
605         {
606                 for(int i = 0; i < argc; i++)
607                 {
608                         if(!_stricmp("--force-cpu-no-64bit", argv[i])) features.x64 = false;
609                         if(!_stricmp("--force-cpu-no-sse", argv[i])) features.sse = features.sse2 = features.sse3 = features.ssse3 = false;
610                         if(!_stricmp("--force-cpu-no-intel", argv[i])) features.intel = false;
611                 }
612         }
613
614         return features;
615 }
616
617 /*
618  * Check for debugger (detect routine)
619  */
620 static bool lamexp_check_for_debugger(void)
621 {
622         __try 
623         {
624                 DebugBreak();
625         }
626         __except(GetExceptionCode() == EXCEPTION_BREAKPOINT ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH) 
627         {
628                 return false;
629         }
630         return true;
631 }
632
633 /*
634  * Check for debugger (thread proc)
635  */
636 static void WINAPI lamexp_debug_thread_proc(__in LPVOID lpParameter)
637 {
638         while(!(IsDebuggerPresent() || lamexp_check_for_debugger()))
639         {
640                 Sleep(333);
641         }
642         TerminateProcess(GetCurrentProcess(), -1);
643 }
644
645 /*
646  * Check for debugger (startup routine)
647  */
648 static HANDLE lamexp_debug_thread_init(void)
649 {
650         if(IsDebuggerPresent() || lamexp_check_for_debugger())
651         {
652                 FatalAppExit(0, L"Not a debug build. Please unload debugger and try again!");
653                 TerminateProcess(GetCurrentProcess(), -1);
654         }
655
656         return CreateThread(NULL, NULL, reinterpret_cast<LPTHREAD_START_ROUTINE>(&lamexp_debug_thread_proc), NULL, NULL, NULL);
657 }
658
659 /*
660  * Check for compatibility mode
661  */
662 static bool lamexp_check_compatibility_mode(const char *exportName, const char *executableName)
663 {
664         QLibrary kernel32("kernel32.dll");
665
666         if(exportName != NULL)
667         {
668                 if(kernel32.resolve(exportName) != NULL)
669                 {
670                         qWarning("Function '%s' exported from 'kernel32.dll' -> Windows compatibility mode!", exportName);
671                         qFatal("%s", QApplication::tr("Executable '%1' doesn't support Windows compatibility mode.").arg(QString::fromLatin1(executableName)).toLatin1().constData());
672                         return false;
673                 }
674         }
675
676         return true;
677 }
678
679 /*
680  * Check for process elevation
681  */
682 static bool lamexp_check_elevation(void)
683 {
684         typedef enum { lamexp_token_elevationType_class = 18, lamexp_token_elevation_class = 20 } LAMEXP_TOKEN_INFORMATION_CLASS;
685         typedef enum { lamexp_elevationType_default = 1, lamexp_elevationType_full, lamexp_elevationType_limited } LAMEXP_TOKEN_ELEVATION_TYPE;
686
687         HANDLE hToken = NULL;
688         bool bIsProcessElevated = false;
689         
690         if(OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hToken))
691         {
692                 LAMEXP_TOKEN_ELEVATION_TYPE tokenElevationType;
693                 DWORD returnLength;
694                 if(GetTokenInformation(hToken, (TOKEN_INFORMATION_CLASS) lamexp_token_elevationType_class, &tokenElevationType, sizeof(LAMEXP_TOKEN_ELEVATION_TYPE), &returnLength))
695                 {
696                         if(returnLength == sizeof(LAMEXP_TOKEN_ELEVATION_TYPE))
697                         {
698                                 switch(tokenElevationType)
699                                 {
700                                 case lamexp_elevationType_default:
701                                         qDebug("Process token elevation type: Default -> UAC is disabled.\n");
702                                         break;
703                                 case lamexp_elevationType_full:
704                                         qWarning("Process token elevation type: Full -> potential security risk!\n");
705                                         bIsProcessElevated = true;
706                                         break;
707                                 case lamexp_elevationType_limited:
708                                         qDebug("Process token elevation type: Limited -> not elevated.\n");
709                                         break;
710                                 }
711                         }
712                 }
713                 CloseHandle(hToken);
714         }
715         else
716         {
717                 qWarning("Failed to open process token!");
718         }
719
720         return !bIsProcessElevated;
721 }
722
723 /*
724  * Initialize Qt framework
725  */
726 bool lamexp_init_qt(int argc, char* argv[])
727 {
728         static bool qt_initialized = false;
729         bool isWine = false;
730         typedef BOOL (WINAPI *SetDllDirectoryProc)(WCHAR *lpPathName);
731
732         //Don't initialized again, if done already
733         if(qt_initialized)
734         {
735                 return true;
736         }
737         
738         //Secure DLL loading
739         QLibrary kernel32("kernel32.dll");
740         if(kernel32.load())
741         {
742                 SetDllDirectoryProc pSetDllDirectory = (SetDllDirectoryProc) kernel32.resolve("SetDllDirectoryW");
743                 if(pSetDllDirectory != NULL) pSetDllDirectory(L"");
744                 kernel32.unload();
745         }
746
747         //Extract executable name from argv[] array
748         char *executableName = argv[0];
749         while(char *temp = strpbrk(executableName, "\\/:?"))
750         {
751                 executableName = temp + 1;
752         }
753
754         //Check Qt version
755         qDebug("Using Qt Framework v%s, compiled with Qt v%s [%s]", qVersion(), QT_VERSION_STR, QT_PACKAGEDATE_STR);
756         if(_stricmp(qVersion(), QT_VERSION_STR))
757         {
758                 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());
759                 return false;
760         }
761
762         //Check the Windows version
763         switch(QSysInfo::windowsVersion() & QSysInfo::WV_NT_based)
764         {
765         case 0:
766         case QSysInfo::WV_NT:
767                 qFatal("%s", QApplication::tr("Executable '%1' requires Windows 2000 or later.").arg(QString::fromLatin1(executableName)).toLatin1().constData());
768                 break;
769         case QSysInfo::WV_2000:
770                 qDebug("Running on Windows 2000 (not officially supported!).\n");
771                 lamexp_check_compatibility_mode("GetNativeSystemInfo", executableName);
772                 break;
773         case QSysInfo::WV_XP:
774                 qDebug("Running on Windows XP.\n");
775                 lamexp_check_compatibility_mode("GetLargePageMinimum", executableName);
776                 break;
777         case QSysInfo::WV_2003:
778                 qDebug("Running on Windows Server 2003 or Windows XP x64-Edition.\n");
779                 lamexp_check_compatibility_mode("GetLocaleInfoEx", executableName);
780                 break;
781         case QSysInfo::WV_VISTA:
782                 qDebug("Running on Windows Vista or Windows Server 2008.\n");
783                 lamexp_check_compatibility_mode("CreateRemoteThreadEx", executableName);
784                 break;
785         case QSysInfo::WV_WINDOWS7:
786                 qDebug("Running on Windows 7 or Windows Server 2008 R2.\n");
787                 lamexp_check_compatibility_mode(NULL, executableName);
788                 break;
789         default:
790                 qWarning("Running on an unknown/untested WinNT-based OS.\n");
791                 break;
792         }
793
794         //Check for Wine
795         QLibrary ntdll("ntdll.dll");
796         if(ntdll.load())
797         {
798                 if(ntdll.resolve("wine_nt_to_unix_file_name") != NULL) isWine = true;
799                 if(ntdll.resolve("wine_get_version") != NULL) isWine = true;
800                 if(isWine) qWarning("It appears we are running under Wine, unexpected things might happen!\n");
801                 ntdll.unload();
802         }
803
804         //Create Qt application instance and setup version info
805         QDate date = QDate::currentDate();
806         QApplication *application = new QApplication(argc, argv);
807         application->setApplicationName("LameXP - Audio Encoder Front-End");
808         application->setApplicationVersion(QString().sprintf("%d.%02d.%04d", lamexp_version_major(), lamexp_version_minor(), lamexp_version_build())); 
809         application->setOrganizationName("LoRd_MuldeR");
810         application->setOrganizationDomain("mulder.at.gg");
811         application->setWindowIcon((date.month() == 12 && date.day() >= 24 && date.day() <= 26) ? QIcon(":/MainIcon2.png") : QIcon(":/MainIcon.png"));
812         
813         //Set text Codec for locale
814         QTextCodec::setCodecForLocale(QTextCodec::codecForName("UTF-8"));
815
816         //Load plugins from application directory
817         QCoreApplication::setLibraryPaths(QStringList() << QApplication::applicationDirPath());
818         qDebug("Library Path:\n%s\n", QApplication::libraryPaths().first().toUtf8().constData());
819
820         //Check for supported image formats
821         QList<QByteArray> supportedFormats = QImageReader::supportedImageFormats();
822         for(int i = 0; g_lamexp_imageformats[i]; i++)
823         {
824                 if(!supportedFormats.contains(g_lamexp_imageformats[i]))
825                 {
826                         qFatal("Qt initialization error: QImageIOHandler for '%s' missing!", g_lamexp_imageformats[i]);
827                         return false;
828                 }
829         }
830
831         //Add default translations
832         g_lamexp_translation.files.insert(LAMEXP_DEFAULT_LANGID, "");
833         g_lamexp_translation.names.insert(LAMEXP_DEFAULT_LANGID, "English");
834
835         //Check for process elevation
836         if(!lamexp_check_elevation())
837         {
838                 if(QMessageBox::warning(NULL, "LameXP", "<nobr>LameXP was started with elevated rights. This is a potential security risk!</nobr>", "Quit Program (Recommended)", "Ignore") == 0)
839                 {
840                         return false;
841                 }
842         }
843
844         //Update console icon, if a console is attached
845         if(g_lamexp_console_attached && !isWine)
846         {
847                 typedef DWORD (__stdcall *SetConsoleIconFun)(HICON);
848                 QLibrary kernel32("kernel32.dll");
849                 if(kernel32.load())
850                 {
851                         SetConsoleIconFun SetConsoleIconPtr = (SetConsoleIconFun) kernel32.resolve("SetConsoleIcon");
852                         if(SetConsoleIconPtr != NULL) SetConsoleIconPtr(QIcon(":/icons/sound.png").pixmap(16, 16).toWinHICON());
853                         kernel32.unload();
854                 }
855         }
856
857         //Done
858         qt_initialized = true;
859         return true;
860 }
861
862 /*
863  * Initialize IPC
864  */
865 int lamexp_init_ipc(void)
866 {
867         if(g_lamexp_ipc_ptr.sharedmem && g_lamexp_ipc_ptr.semaphore_read && g_lamexp_ipc_ptr.semaphore_write)
868         {
869                 return 0;
870         }
871
872         g_lamexp_ipc_ptr.semaphore_read = new QSystemSemaphore(QString(g_lamexp_ipc_uuid.semaphore_read), 0);
873         g_lamexp_ipc_ptr.semaphore_write = new QSystemSemaphore(QString(g_lamexp_ipc_uuid.semaphore_write), 0);
874
875         if(g_lamexp_ipc_ptr.semaphore_read->error() != QSystemSemaphore::NoError)
876         {
877                 QString errorMessage = g_lamexp_ipc_ptr.semaphore_read->errorString();
878                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read);
879                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write);
880                 qFatal("Failed to create system smaphore: %s", errorMessage.toUtf8().constData());
881                 return -1;
882         }
883         if(g_lamexp_ipc_ptr.semaphore_write->error() != QSystemSemaphore::NoError)
884         {
885                 QString errorMessage = g_lamexp_ipc_ptr.semaphore_write->errorString();
886                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read);
887                 LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write);
888                 qFatal("Failed to create system smaphore: %s", errorMessage.toUtf8().constData());
889                 return -1;
890         }
891
892         g_lamexp_ipc_ptr.sharedmem = new QSharedMemory(QString(g_lamexp_ipc_uuid.sharedmem), NULL);
893         
894         if(!g_lamexp_ipc_ptr.sharedmem->create(sizeof(lamexp_ipc_t)))
895         {
896                 if(g_lamexp_ipc_ptr.sharedmem->error() == QSharedMemory::AlreadyExists)
897                 {
898                         g_lamexp_ipc_ptr.sharedmem->attach();
899                         if(g_lamexp_ipc_ptr.sharedmem->error() == QSharedMemory::NoError)
900                         {
901                                 return 1;
902                         }
903                         else
904                         {
905                                 QString errorMessage = g_lamexp_ipc_ptr.sharedmem->errorString();
906                                 qFatal("Failed to attach to shared memory: %s", errorMessage.toUtf8().constData());
907                                 return -1;
908                         }
909                 }
910                 else
911                 {
912                         QString errorMessage = g_lamexp_ipc_ptr.sharedmem->errorString();
913                         qFatal("Failed to create shared memory: %s", errorMessage.toUtf8().constData());
914                         return -1;
915                 }
916         }
917
918         memset(g_lamexp_ipc_ptr.sharedmem->data(), 0, sizeof(lamexp_ipc_t));
919         g_lamexp_ipc_ptr.semaphore_write->release();
920
921         return 0;
922 }
923
924 /*
925  * IPC send message
926  */
927 void lamexp_ipc_send(unsigned int command, const char* message)
928 {
929         if(!g_lamexp_ipc_ptr.sharedmem || !g_lamexp_ipc_ptr.semaphore_read || !g_lamexp_ipc_ptr.semaphore_write)
930         {
931                 throw "Shared memory for IPC not initialized yet.";
932         }
933
934         lamexp_ipc_t *lamexp_ipc = new lamexp_ipc_t;
935         memset(lamexp_ipc, 0, sizeof(lamexp_ipc_t));
936         lamexp_ipc->command = command;
937         if(message)
938         {
939                 strncpy_s(lamexp_ipc->parameter, 4096, message, _TRUNCATE);
940         }
941
942         if(g_lamexp_ipc_ptr.semaphore_write->acquire())
943         {
944                 memcpy(g_lamexp_ipc_ptr.sharedmem->data(), lamexp_ipc, sizeof(lamexp_ipc_t));
945                 g_lamexp_ipc_ptr.semaphore_read->release();
946         }
947
948         LAMEXP_DELETE(lamexp_ipc);
949 }
950
951 /*
952  * IPC read message
953  */
954 void lamexp_ipc_read(unsigned int *command, char* message, size_t buffSize)
955 {
956         *command = 0;
957         message[0] = '\0';
958         
959         if(!g_lamexp_ipc_ptr.sharedmem || !g_lamexp_ipc_ptr.semaphore_read || !g_lamexp_ipc_ptr.semaphore_write)
960         {
961                 throw "Shared memory for IPC not initialized yet.";
962         }
963
964         lamexp_ipc_t *lamexp_ipc = new lamexp_ipc_t;
965         memset(lamexp_ipc, 0, sizeof(lamexp_ipc_t));
966
967         if(g_lamexp_ipc_ptr.semaphore_read->acquire())
968         {
969                 memcpy(lamexp_ipc, g_lamexp_ipc_ptr.sharedmem->data(), sizeof(lamexp_ipc_t));
970                 g_lamexp_ipc_ptr.semaphore_write->release();
971
972                 if(!(lamexp_ipc->reserved_1 || lamexp_ipc->reserved_2))
973                 {
974                         *command = lamexp_ipc->command;
975                         strncpy_s(message, buffSize, lamexp_ipc->parameter, _TRUNCATE);
976                 }
977                 else
978                 {
979                         qWarning("Malformed IPC message, will be ignored");
980                 }
981         }
982
983         LAMEXP_DELETE(lamexp_ipc);
984 }
985
986 /*
987  * Check for LameXP "portable" mode
988  */
989 bool lamexp_portable_mode(void)
990 {
991         QString baseName = QFileInfo(QApplication::applicationFilePath()).completeBaseName();
992         int idx1 = baseName.indexOf("lamexp", 0, Qt::CaseInsensitive);
993         int idx2 = baseName.lastIndexOf("portable", -1, Qt::CaseInsensitive);
994         return (idx1 >= 0) && (idx2 >= 0) && (idx1 < idx2);
995 }
996
997 /*
998  * Get a random string
999  */
1000 QString lamexp_rand_str(void)
1001 {
1002         QRegExp regExp("\\{(\\w+)-(\\w+)-(\\w+)-(\\w+)-(\\w+)\\}");
1003         QString uuid = QUuid::createUuid().toString();
1004
1005         if(regExp.indexIn(uuid) >= 0)
1006         {
1007                 return QString().append(regExp.cap(1)).append(regExp.cap(2)).append(regExp.cap(3)).append(regExp.cap(4)).append(regExp.cap(5));
1008         }
1009
1010         throw "The RegExp didn't match on the UUID string. This shouldn't happen ;-)";
1011 }
1012
1013 /*
1014  * Get LameXP temp folder
1015  */
1016 const QString &lamexp_temp_folder2(void)
1017 {
1018         static const char *TEMP_STR = "Temp";
1019         const QString WRITE_TEST_DATA = lamexp_rand_str();
1020         const QString SUB_FOLDER = lamexp_rand_str();
1021
1022         //Already initialized?
1023         if(!g_lamexp_temp_folder.isEmpty())
1024         {
1025                 if(QDir(g_lamexp_temp_folder).exists())
1026                 {
1027                         return g_lamexp_temp_folder;
1028                 }
1029                 else
1030                 {
1031                         g_lamexp_temp_folder.clear();
1032                 }
1033         }
1034         
1035         //Try the %TMP% or %TEMP% directory first
1036         QDir temp = QDir::temp();
1037         if(temp.exists())
1038         {
1039                 temp.mkdir(SUB_FOLDER);
1040                 if(temp.cd(SUB_FOLDER) && temp.exists())
1041                 {
1042                         QFile testFile(QString("%1/~%2.tmp").arg(temp.canonicalPath(), lamexp_rand_str()));
1043                         if(testFile.open(QIODevice::ReadWrite))
1044                         {
1045                                 if(testFile.write(WRITE_TEST_DATA.toLatin1().constData()) >= strlen(WRITE_TEST_DATA.toLatin1().constData()))
1046                                 {
1047                                         g_lamexp_temp_folder = temp.canonicalPath();
1048                                 }
1049                                 testFile.remove();
1050                         }
1051                 }
1052                 if(!g_lamexp_temp_folder.isEmpty())
1053                 {
1054                         return g_lamexp_temp_folder;
1055                 }
1056         }
1057
1058         //Create TEMP folder in %LOCALAPPDATA%
1059         QDir localAppData = QDir(lamexp_known_folder(lamexp_folder_localappdata));
1060         if(!localAppData.path().isEmpty())
1061         {
1062                 if(!localAppData.exists())
1063                 {
1064                         localAppData.mkpath(".");
1065                 }
1066                 if(localAppData.exists())
1067                 {
1068                         if(!localAppData.entryList(QDir::AllDirs).contains(TEMP_STR, Qt::CaseInsensitive))
1069                         {
1070                                 localAppData.mkdir(TEMP_STR);
1071                         }
1072                         if(localAppData.cd(TEMP_STR) && localAppData.exists())
1073                         {
1074                                 localAppData.mkdir(SUB_FOLDER);
1075                                 if(localAppData.cd(SUB_FOLDER) && localAppData.exists())
1076                                 {
1077                                         QFile testFile(QString("%1/~%2.tmp").arg(localAppData.canonicalPath(), lamexp_rand_str()));
1078                                         if(testFile.open(QIODevice::ReadWrite))
1079                                         {
1080                                                 if(testFile.write(WRITE_TEST_DATA.toLatin1().constData()) >= strlen(WRITE_TEST_DATA.toLatin1().constData()))
1081                                                 {
1082                                                         g_lamexp_temp_folder = localAppData.canonicalPath();
1083                                                 }
1084                                                 testFile.remove();
1085                                         }
1086                                 }
1087                         }
1088                 }
1089                 if(!g_lamexp_temp_folder.isEmpty())
1090                 {
1091                         return g_lamexp_temp_folder;
1092                 }
1093         }
1094
1095         //Failed to create TEMP folder!
1096         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());
1097         return g_lamexp_temp_folder;
1098 }
1099
1100 /*
1101  * Clean folder
1102  */
1103 bool lamexp_clean_folder(const QString &folderPath)
1104 {
1105         QDir tempFolder(folderPath);
1106         QFileInfoList entryList = tempFolder.entryInfoList(QDir::AllEntries | QDir::NoDotAndDotDot);
1107
1108         for(int i = 0; i < entryList.count(); i++)
1109         {
1110                 if(entryList.at(i).isDir())
1111                 {
1112                         lamexp_clean_folder(entryList.at(i).canonicalFilePath());
1113                 }
1114                 else
1115                 {
1116                         for(int j = 0; j < 3; j++)
1117                         {
1118                                 if(lamexp_remove_file(entryList.at(i).canonicalFilePath()))
1119                                 {
1120                                         break;
1121                                 }
1122                         }
1123                 }
1124         }
1125         
1126         tempFolder.rmdir(".");
1127         return !tempFolder.exists();
1128 }
1129
1130 /*
1131  * Register tool
1132  */
1133 void lamexp_register_tool(const QString &toolName, LockedFile *file, unsigned int version)
1134 {
1135         if(g_lamexp_tool_registry.contains(toolName.toLower()))
1136         {
1137                 throw "lamexp_register_tool: Tool is already registered!";
1138         }
1139
1140         g_lamexp_tool_registry.insert(toolName.toLower(), file);
1141         g_lamexp_tool_versions.insert(toolName.toLower(), version);
1142 }
1143
1144 /*
1145  * Check for tool
1146  */
1147 bool lamexp_check_tool(const QString &toolName)
1148 {
1149         return g_lamexp_tool_registry.contains(toolName.toLower());
1150 }
1151
1152 /*
1153  * Lookup tool path
1154  */
1155 const QString lamexp_lookup_tool(const QString &toolName)
1156 {
1157         if(g_lamexp_tool_registry.contains(toolName.toLower()))
1158         {
1159                 return g_lamexp_tool_registry.value(toolName.toLower())->filePath();
1160         }
1161         else
1162         {
1163                 return QString();
1164         }
1165 }
1166
1167 /*
1168  * Lookup tool version
1169  */
1170 unsigned int lamexp_tool_version(const QString &toolName)
1171 {
1172         if(g_lamexp_tool_versions.contains(toolName.toLower()))
1173         {
1174                 return g_lamexp_tool_versions.value(toolName.toLower());
1175         }
1176         else
1177         {
1178                 return UINT_MAX;
1179         }
1180 }
1181
1182 /*
1183  * Version number to human-readable string
1184  */
1185 const QString lamexp_version2string(const QString &pattern, unsigned int version, const QString &defaultText)
1186 {
1187         if(version == UINT_MAX)
1188         {
1189                 return defaultText;
1190         }
1191         
1192         QString result = pattern;
1193         int digits = result.count("?", Qt::CaseInsensitive);
1194         
1195         if(digits < 1)
1196         {
1197                 return result;
1198         }
1199         
1200         int pos = 0;
1201         QString versionStr = QString().sprintf(QString().sprintf("%%0%du", digits).toLatin1().constData(), version);
1202         int index = result.indexOf("?", Qt::CaseInsensitive);
1203         
1204         while(index >= 0 && pos < versionStr.length())
1205         {
1206                 result[index] = versionStr[pos++];
1207                 index = result.indexOf("?", Qt::CaseInsensitive);
1208         }
1209
1210         return result;
1211 }
1212
1213 /*
1214  * Register a new translation
1215  */
1216 bool lamexp_translation_register(const QString &langId, const QString &qmFile, const QString &langName, unsigned int &systemId)
1217 {
1218         if(qmFile.isEmpty() || langName.isEmpty() || systemId < 1)
1219         {
1220                 return false;
1221         }
1222
1223         g_lamexp_translation.files.insert(langId, qmFile);
1224         g_lamexp_translation.names.insert(langId, langName);
1225         g_lamexp_translation.sysid.insert(langId, systemId);
1226
1227         return true;
1228 }
1229
1230 /*
1231  * Get list of all translations
1232  */
1233 QStringList lamexp_query_translations(void)
1234 {
1235         return g_lamexp_translation.files.keys();
1236 }
1237
1238 /*
1239  * Get translation name
1240  */
1241 QString lamexp_translation_name(const QString &langId)
1242 {
1243         return g_lamexp_translation.names.value(langId.toLower(), QString());
1244 }
1245
1246 /*
1247  * Get translation system id
1248  */
1249 unsigned int lamexp_translation_sysid(const QString &langId)
1250 {
1251         return g_lamexp_translation.sysid.value(langId.toLower(), 0);
1252 }
1253
1254 /*
1255  * Install a new translator
1256  */
1257 bool lamexp_install_translator(const QString &langId)
1258 {
1259         bool success = false;
1260
1261         if(langId.isEmpty() || langId.toLower().compare(LAMEXP_DEFAULT_LANGID) == 0)
1262         {
1263                 success = lamexp_install_translator_from_file(QString());
1264         }
1265         else
1266         {
1267                 QString qmFile = g_lamexp_translation.files.value(langId.toLower(), QString());
1268                 if(!qmFile.isEmpty())
1269                 {
1270                         success = lamexp_install_translator_from_file(QString(":/localization/%1").arg(qmFile));
1271                 }
1272                 else
1273                 {
1274                         qWarning("Translation '%s' not available!", langId.toLatin1().constData());
1275                 }
1276         }
1277
1278         return success;
1279 }
1280
1281 /*
1282  * Install a new translator from file
1283  */
1284 bool lamexp_install_translator_from_file(const QString &qmFile)
1285 {
1286         bool success = false;
1287
1288         if(!g_lamexp_currentTranslator)
1289         {
1290                 g_lamexp_currentTranslator = new QTranslator();
1291         }
1292
1293         if(!qmFile.isEmpty())
1294         {
1295                 QString qmPath = QFileInfo(qmFile).canonicalFilePath();
1296                 QApplication::removeTranslator(g_lamexp_currentTranslator);
1297                 success = g_lamexp_currentTranslator->load(qmPath);
1298                 QApplication::installTranslator(g_lamexp_currentTranslator);
1299                 if(!success)
1300                 {
1301                         qWarning("Failed to load translation:\n\"%s\"", qmPath.toLatin1().constData());
1302                 }
1303         }
1304         else
1305         {
1306                 QApplication::removeTranslator(g_lamexp_currentTranslator);
1307                 success = true;
1308         }
1309
1310         return success;
1311 }
1312
1313 /*
1314  * Locate known folder on local system
1315  */
1316 QString lamexp_known_folder(lamexp_known_folder_t folder_id)
1317 {
1318         typedef HRESULT (WINAPI *SHGetKnownFolderPathFun)(__in const GUID &rfid, __in DWORD dwFlags, __in HANDLE hToken, __out PWSTR *ppszPath);
1319         typedef HRESULT (WINAPI *SHGetFolderPathFun)(__in HWND hwndOwner, __in int nFolder, __in HANDLE hToken, __in DWORD dwFlags, __out LPWSTR pszPath);
1320
1321         static const int CSIDL_LOCAL_APPDATA = 0x001c;
1322         static const int CSIDL_PROGRAM_FILES = 0x0026;
1323         static const int CSIDL_SYSTEM_FOLDER = 0x0025;
1324         static const GUID GUID_LOCAL_APPDATA = {0xF1B32785,0x6FBA,0x4FCF,{0x9D,0x55,0x7B,0x8E,0x7F,0x15,0x70,0x91}};
1325         static const GUID GUID_LOCAL_APPDATA_LOW = {0xA520A1A4,0x1780,0x4FF6,{0xBD,0x18,0x16,0x73,0x43,0xC5,0xAF,0x16}};
1326         static const GUID GUID_PROGRAM_FILES = {0x905e63b6,0xc1bf,0x494e,{0xb2,0x9c,0x65,0xb7,0x32,0xd3,0xd2,0x1a}};
1327         static const GUID GUID_SYSTEM_FOLDER = {0x1AC14E77,0x02E7,0x4E5D,{0xB7,0x44,0x2E,0xB1,0xAE,0x51,0x98,0xB7}};
1328
1329         static QLibrary *Kernel32Lib = NULL;
1330         static SHGetKnownFolderPathFun SHGetKnownFolderPathPtr = NULL;
1331         static SHGetFolderPathFun SHGetFolderPathPtr = NULL;
1332
1333         if((!SHGetKnownFolderPathPtr) && (!SHGetFolderPathPtr))
1334         {
1335                 if(!Kernel32Lib) Kernel32Lib = new QLibrary("shell32.dll");
1336                 SHGetKnownFolderPathPtr = (SHGetKnownFolderPathFun) Kernel32Lib->resolve("SHGetKnownFolderPath");
1337                 SHGetFolderPathPtr = (SHGetFolderPathFun) Kernel32Lib->resolve("SHGetFolderPathW");
1338         }
1339
1340         int folderCSIDL = -1;
1341         GUID folderGUID = {0x0000,0x0000,0x0000,{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}};
1342
1343         switch(folder_id)
1344         {
1345         case lamexp_folder_localappdata:
1346                 folderCSIDL = CSIDL_LOCAL_APPDATA;
1347                 folderGUID = GUID_LOCAL_APPDATA;
1348                 break;
1349         case lamexp_folder_programfiles:
1350                 folderCSIDL = CSIDL_PROGRAM_FILES;
1351                 folderGUID = GUID_PROGRAM_FILES;
1352                 break;
1353         case lamexp_folder_systemfolder:
1354                 folderCSIDL = CSIDL_SYSTEM_FOLDER;
1355                 folderGUID = GUID_SYSTEM_FOLDER;
1356                 break;
1357         default:
1358                 return QString();
1359                 break;
1360         }
1361
1362         QString folder;
1363
1364         if(SHGetKnownFolderPathPtr)
1365         {
1366                 WCHAR *path = NULL;
1367                 if(SHGetKnownFolderPathPtr(folderGUID, 0x00008000, NULL, &path) == S_OK)
1368                 {
1369                         //MessageBoxW(0, path, L"SHGetKnownFolderPath", MB_TOPMOST);
1370                         QDir folderTemp = QDir(QDir::fromNativeSeparators(QString::fromUtf16(reinterpret_cast<const unsigned short*>(path))));
1371                         if(!folderTemp.exists())
1372                         {
1373                                 folderTemp.mkpath(".");
1374                         }
1375                         if(folderTemp.exists())
1376                         {
1377                                 folder = folderTemp.canonicalPath();
1378                         }
1379                         CoTaskMemFree(path);
1380                 }
1381         }
1382         else if(SHGetFolderPathPtr)
1383         {
1384                 WCHAR *path = new WCHAR[4096];
1385                 if(SHGetFolderPathPtr(NULL, folderCSIDL, NULL, NULL, path) == S_OK)
1386                 {
1387                         //MessageBoxW(0, path, L"SHGetFolderPathW", MB_TOPMOST);
1388                         QDir folderTemp = QDir(QDir::fromNativeSeparators(QString::fromUtf16(reinterpret_cast<const unsigned short*>(path))));
1389                         if(!folderTemp.exists())
1390                         {
1391                                 folderTemp.mkpath(".");
1392                         }
1393                         if(folderTemp.exists())
1394                         {
1395                                 folder = folderTemp.canonicalPath();
1396                         }
1397                 }
1398                 delete [] path;
1399         }
1400
1401         return folder;
1402 }
1403
1404 /*
1405  * Safely remove a file
1406  */
1407 bool lamexp_remove_file(const QString &filename)
1408 {
1409         if(!QFileInfo(filename).exists() || !QFileInfo(filename).isFile())
1410         {
1411                 return true;
1412         }
1413         else
1414         {
1415                 if(!QFile::remove(filename))
1416                 {
1417                         DWORD attributes = GetFileAttributesW(QWCHAR(filename));
1418                         SetFileAttributesW(QWCHAR(filename), (attributes & (~FILE_ATTRIBUTE_READONLY)));
1419                         if(!QFile::remove(filename))
1420                         {
1421                                 qWarning("Could not delete \"%s\"", filename.toLatin1().constData());
1422                                 return false;
1423                         }
1424                         else
1425                         {
1426                                 return true;
1427                         }
1428                 }
1429                 else
1430                 {
1431                         return true;
1432                 }
1433         }
1434 }
1435
1436 /*
1437  * Check if visual themes are enabled (WinXP and later)
1438  */
1439 bool lamexp_themes_enabled(void)
1440 {
1441         typedef int (WINAPI *IsAppThemedFun)(void);
1442         
1443         bool isAppThemed = false;
1444         QLibrary uxTheme(QString("%1/UxTheme.dll").arg(lamexp_known_folder(lamexp_folder_systemfolder)));
1445         IsAppThemedFun IsAppThemedPtr = (IsAppThemedFun) uxTheme.resolve("IsAppThemed");
1446
1447         if(IsAppThemedPtr)
1448         {
1449                 isAppThemed = IsAppThemedPtr();
1450                 if(!isAppThemed)
1451                 {
1452                         qWarning("Theme support is disabled for this process!");
1453                 }
1454         }
1455
1456         return isAppThemed;
1457 }
1458
1459 /*
1460  * Get number of free bytes on disk
1461  */
1462 __int64 lamexp_free_diskspace(const QString &path)
1463 {
1464         ULARGE_INTEGER freeBytesAvailable, totalNumberOfBytes, totalNumberOfFreeBytes;
1465         if(GetDiskFreeSpaceExW(reinterpret_cast<const wchar_t*>(QDir::toNativeSeparators(path).utf16()), &freeBytesAvailable, &totalNumberOfBytes, &totalNumberOfFreeBytes))
1466         {
1467                 return freeBytesAvailable.QuadPart;
1468         }
1469         else
1470         {
1471                 return 0;
1472         }
1473 }
1474
1475 /*
1476  * Shutdown the computer
1477  */
1478 bool lamexp_shutdown_computer(const QString &message, const unsigned long timeout, const bool forceShutdown)
1479 {
1480         HANDLE hToken = NULL;
1481
1482         if(OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken))
1483         {
1484                 TOKEN_PRIVILEGES privileges;
1485                 memset(&privileges, 0, sizeof(TOKEN_PRIVILEGES));
1486                 privileges.PrivilegeCount = 1;
1487                 privileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
1488                 
1489                 if(LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &privileges.Privileges[0].Luid))
1490                 {
1491                         if(AdjustTokenPrivileges(hToken, FALSE, &privileges, NULL, NULL, NULL))
1492                         {
1493                                 const DWORD reason = SHTDN_REASON_MAJOR_APPLICATION | SHTDN_REASON_FLAG_PLANNED;
1494                                 return InitiateSystemShutdownEx(NULL, const_cast<wchar_t*>(QWCHAR(message)), timeout, forceShutdown, FALSE, reason);
1495                         }
1496                 }
1497         }
1498         
1499         return false;
1500 }
1501
1502 /*
1503  * Make a window blink (to draw user's attention)
1504  */
1505 void lamexp_blink_window(QWidget *poWindow, unsigned int count, unsigned int delay)
1506 {
1507         static QMutex blinkMutex;
1508
1509         const double maxOpac = 1.0;
1510         const double minOpac = 0.3;
1511         const double delOpac = 0.1;
1512
1513         if(!blinkMutex.tryLock())
1514         {
1515                 qWarning("Blinking is already in progress, skipping!");
1516                 return;
1517         }
1518         
1519         try
1520         {
1521                 const int steps = static_cast<int>(ceil(maxOpac - minOpac) / delOpac);
1522                 const int sleep = static_cast<int>(floor(static_cast<double>(delay) / static_cast<double>(steps)));
1523                 const double opacity = poWindow->windowOpacity();
1524         
1525                 for(unsigned int i = 0; i < count; i++)
1526                 {
1527                         for(double x = maxOpac; x >= minOpac; x -= delOpac)
1528                         {
1529                                 poWindow->setWindowOpacity(x);
1530                                 QApplication::processEvents();
1531                                 Sleep(sleep);
1532                         }
1533
1534                         for(double x = minOpac; x <= maxOpac; x += delOpac)
1535                         {
1536                                 poWindow->setWindowOpacity(x);
1537                                 QApplication::processEvents();
1538                                 Sleep(sleep);
1539                         }
1540                 }
1541
1542                 poWindow->setWindowOpacity(opacity);
1543                 QApplication::processEvents();
1544                 blinkMutex.unlock();
1545         }
1546         catch (...)
1547         {
1548                 blinkMutex.unlock();
1549                 qWarning("Exception error while blinking!");
1550         }
1551 }
1552
1553 /*
1554  * Remove forbidden characters from a filename
1555  */
1556 const QString lamexp_clean_filename(const QString &str)
1557 {
1558         QString newStr(str);
1559         
1560         newStr.replace("\\", "-");
1561         newStr.replace(" / ", ", ");
1562         newStr.replace("/", ",");
1563         newStr.replace(":", "-");
1564         newStr.replace("*", "x");
1565         newStr.replace("?", "");
1566         newStr.replace("<", "[");
1567         newStr.replace(">", "]");
1568         newStr.replace("|", "!");
1569         
1570         return newStr.simplified();
1571 }
1572
1573 /*
1574  * Remove forbidden characters from a file path
1575  */
1576 const QString lamexp_clean_filepath(const QString &str)
1577 {
1578         QStringList parts = QString(str).replace("\\", "/").split("/");
1579
1580         for(int i = 0; i < parts.count(); i++)
1581         {
1582                 parts[i] = lamexp_clean_filename(parts[i]);
1583         }
1584
1585         return parts.join("/");
1586 }
1587
1588 /*
1589  * Finalization function (final clean-up)
1590  */
1591 void lamexp_finalization(void)
1592 {
1593         //Free all tools
1594         if(!g_lamexp_tool_registry.isEmpty())
1595         {
1596                 QStringList keys = g_lamexp_tool_registry.keys();
1597                 for(int i = 0; i < keys.count(); i++)
1598                 {
1599                         LAMEXP_DELETE(g_lamexp_tool_registry[keys.at(i)]);
1600                 }
1601                 g_lamexp_tool_registry.clear();
1602                 g_lamexp_tool_versions.clear();
1603         }
1604         
1605         //Delete temporary files
1606         if(!g_lamexp_temp_folder.isEmpty())
1607         {
1608                 for(int i = 0; i < 100; i++)
1609                 {
1610                         if(lamexp_clean_folder(g_lamexp_temp_folder))
1611                         {
1612                                 break;
1613                         }
1614                         Sleep(125);
1615                 }
1616                 g_lamexp_temp_folder.clear();
1617         }
1618
1619         //Clear languages
1620         if(g_lamexp_currentTranslator)
1621         {
1622                 QApplication::removeTranslator(g_lamexp_currentTranslator);
1623                 LAMEXP_DELETE(g_lamexp_currentTranslator);
1624         }
1625         g_lamexp_translation.files.clear();
1626         g_lamexp_translation.names.clear();
1627
1628         //Destroy Qt application object
1629         QApplication *application = dynamic_cast<QApplication*>(QApplication::instance());
1630         LAMEXP_DELETE(application);
1631
1632         //Detach from shared memory
1633         if(g_lamexp_ipc_ptr.sharedmem) g_lamexp_ipc_ptr.sharedmem->detach();
1634         LAMEXP_DELETE(g_lamexp_ipc_ptr.sharedmem);
1635         LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_read);
1636         LAMEXP_DELETE(g_lamexp_ipc_ptr.semaphore_write);
1637 }
1638
1639 /*
1640  * Initialize debug thread
1641  */
1642 static const HANDLE g_debug_thread = LAMEXP_DEBUG ? NULL : lamexp_debug_thread_init();
1643
1644 /*
1645  * Get number private bytes [debug only]
1646  */
1647 SIZE_T lamexp_dbg_private_bytes(void)
1648 {
1649 #if LAMEXP_DEBUG
1650         PROCESS_MEMORY_COUNTERS_EX memoryCounters;
1651         memoryCounters.cb = sizeof(PROCESS_MEMORY_COUNTERS_EX);
1652         GetProcessMemoryInfo(GetCurrentProcess(), (PPROCESS_MEMORY_COUNTERS) &memoryCounters, sizeof(PROCESS_MEMORY_COUNTERS_EX));
1653         return memoryCounters.PrivateUsage;
1654 #else
1655         throw "Cannot call this function in a non-debug build!";
1656 #endif //LAMEXP_DEBUG
1657 }