src/Terminal_Win32.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // MuldeR's Utilities for Qt
   3 // Copyright (C) 2004-2019 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, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 //Windows includes
  24 #define NOMINMAX
  25 #define WIN32_LEAN_AND_MEAN 1
  26 #include <Windows.h>
  27
  28 //Internal
  29 #include <MUtils/Terminal.h>
  30 #include <MUtils/Global.h>
  31 #include <MUtils/OSSupport.h>
  32 #include "Utils_Win32.h"
  33 #include "CriticalSection_Win32.h"
  34
  35 //Qt
  36 #include <QFile>
  37 #include <QStringList>
  38 #include <QIcon>
  39
  40 //CRT
  41 #include <iostream>
  42 #include <fstream>
  43 #include <ctime>
  44 #include <stdarg.h>
  45 #include <io.h>
  46 #include <fcntl.h>
  47
  48 #ifdef _MSC_VER
  49 #define stricmp(X,Y) _stricmp((X),(Y))
  50 #endif
  51
  52 #define VALID_HANLDE(X) (((X) != NULL) && ((X) != INVALID_HANDLE_VALUE))
  53
  54 ///////////////////////////////////////////////////////////////////////////////
  55 // TERMINAL VARIABLES
  56 ///////////////////////////////////////////////////////////////////////////////
  57
  58 //Critical section
  59 static MUtils::Internal::CriticalSection g_terminal_lock;
  60
  61 //Is terminal attached?
  62 static QAtomicInt g_terminal_attached;
  63
  64 //Terminal output buffer
  65 static const size_t BUFF_SIZE = 8192;
  66 static char g_conOutBuff[BUFF_SIZE] = { '\0' };
  67
  68 //Buffer objects
  69 static QScopedPointer<std::filebuf> g_fileBuf_stdout;
  70 static QScopedPointer<std::filebuf> g_fileBuf_stderr;
  71
  72 //The log file
  73 static QScopedPointer<QFile> g_terminal_log_file;
  74
  75 //Terminal icon
  76 static HICON g_terminal_icon = NULL;
  77
  78 ///////////////////////////////////////////////////////////////////////////////
  79 // HELPER FUNCTIONS
  80 ///////////////////////////////////////////////////////////////////////////////
  81
  82 static inline void make_timestamp(char *timestamp, const size_t &buffsize)
  83 {
  84         time_t rawtime;
  85         struct tm timeinfo;
  86
  87         time(&rawtime);
  88         if(localtime_s(&timeinfo, &rawtime) == 0)
  89         {
  90                 strftime(timestamp, buffsize, "%H:%M:%S", &timeinfo);
  91         }
  92         else
  93         {
  94                 timestamp[0] = '\0';
  95         }
  96 }
  97
  98 static inline bool null_or_whitespace(const char *const str)
  99 {
 100         if (str)
 101         {
 102                 size_t pos = 0;
 103                 while (str[pos])
 104                 {
 105                         if (!(isspace(str[pos]) || iscntrl(str[pos])))
 106                         {
 107                                 return false;
 108                         }
 109                         pos++;
 110                 }
 111         }
 112         return true;
 113 }
 114
 115 static inline size_t clean_string(char *const str)
 116 {
 117         bool space_flag = true;
 118         size_t src = 0, out = 0;
 119
 120         while (str[src])
 121         {
 122                 if (isspace(str[src]) || iscntrl(str[src])) /*replace any space-sequence with a single space character*/
 123                 {
 124                         src++;
 125                         if (!space_flag)
 126                         {
 127                                 space_flag = true;
 128                                 str[out++] = 0x20;
 129                         }
 130                 }
 131                 else /*otherwise we'll just copy over the current character*/
 132                 {
 133                         if (src != out)
 134                         {
 135                                 str[out] = str[src];
 136                         }
 137                         space_flag = false;
 138                         out++; src++;
 139                 }
 140         }
 141
 142         if (space_flag && (out > 0)) /*trim trailing space, if any*/
 143         {
 144                 out--;
 145         }
 146
 147         str[out] = NULL;
 148         return out;
 149 }
 150
 151 static inline void set_hicon(HICON *const ptr, const HICON val)
 152 {
 153         if (*ptr)
 154         {
 155                 DestroyIcon(*ptr);
 156         }
 157         *ptr = val;
 158 }
 159
 160 ///////////////////////////////////////////////////////////////////////////////
 161 // TERMINAL SETUP
 162 ///////////////////////////////////////////////////////////////////////////////
 163
 164 static inline std::filebuf *terminal_connect(FILE *const fs, std::ostream &os)
 165 {
 166         std::filebuf *result = NULL;
 167         FILE *temp;
 168         if (freopen_s(&temp, "CONOUT$", "wb", fs) == 0)
 169         {
 170                 os.rdbuf(result = new std::filebuf(temp));
 171         }
 172         return result;
 173 }
 174
 175 static void terminal_shutdown(void)
 176 {
 177         MUtils::Internal::CSLocker lock(g_terminal_lock);
 178
 179         if (g_terminal_attached.fetchAndStoreOrdered(0) > 0)
 180         {
 181                 g_fileBuf_stdout.reset();
 182                 g_fileBuf_stderr.reset();
 183                 FILE *temp[2];
 184                 if(stdout) freopen_s(&temp[0], "NUL", "wb", stdout);
 185                 if(stderr) freopen_s(&temp[1], "NUL", "wb", stderr);
 186                 FreeConsole();
 187                 set_hicon(&g_terminal_icon, NULL);
 188         }
 189 }
 190
 191 void MUtils::Terminal::setup(int &argc, char **argv, const char* const appName, const bool forceEnabled)
 192 {
 193         MUtils::Internal::CSLocker lock(g_terminal_lock);
 194         bool enableConsole = (MUTILS_DEBUG) || forceEnabled;
 195
 196         if(_environ)
 197         {
 198                 wchar_t *logfile = NULL; size_t logfile_len = 0;
 199                 if(!_wdupenv_s(&logfile, &logfile_len, L"MUTILS_LOGFILE"))
 200                 {
 201                         if(logfile && (logfile_len > 0))
 202                         {
 203                                 g_terminal_log_file.reset(new QFile(MUTILS_QSTR(logfile)));
 204                                 if(g_terminal_log_file->open(QIODevice::WriteOnly))
 205                                 {
 206                                         static const char MARKER[3] = { char(0xEF), char(0xBB), char(0xBF) };
 207                                         g_terminal_log_file->write(MARKER, 3);
 208                                 }
 209                                 free(logfile);
 210                         }
 211                 }
 212         }
 213
 214         if(!MUTILS_DEBUG)
 215         {
 216                 for(int i = 0; i < argc; i++)
 217                 {
 218                         if(!stricmp(argv[i], "--console"))
 219                         {
 220                                 enableConsole = true;
 221                         }
 222                         else if(!stricmp(argv[i], "--no-console"))
 223                         {
 224                                 enableConsole = false;
 225                         }
 226                 }
 227         }
 228
 229         if(enableConsole)
 230         {
 231                 if(!g_terminal_attached.fetchAndStoreOrdered(1))
 232                 {
 233                         if(AllocConsole() != FALSE)
 234                         {
 235                                 SetConsoleOutputCP(CP_UTF8);
 236                                 SetConsoleCtrlHandler(NULL, TRUE);
 237                                 if(appName && appName[0])
 238                                 {
 239                                         char title[128];
 240                                         _snprintf_s(title, 128, _TRUNCATE, "%s | Debug Console", appName);
 241                                         SetConsoleTitleA(title);
 242                                 }
 243                         }
 244                         else
 245                         {
 246                                 g_terminal_attached.fetchAndStoreOrdered(0); /*failed*/
 247                         }
 248                 }
 249
 250                 if(MUTILS_BOOLIFY(g_terminal_attached))
 251                 {
 252                         g_fileBuf_stdout.reset(terminal_connect(stdout, std::cout));
 253                         g_fileBuf_stderr.reset(terminal_connect(stderr, std::cerr));
 254
 255                         atexit(terminal_shutdown);
 256
 257                         const HWND hwndConsole = GetConsoleWindow();
 258                         if((hwndConsole != NULL) && (hwndConsole != INVALID_HANDLE_VALUE))
 259                         {
 260                                 HMENU hMenu = GetSystemMenu(hwndConsole, 0);
 261                                 EnableMenuItem(hMenu, SC_CLOSE, MF_BYCOMMAND | MF_GRAYED);
 262                                 RemoveMenu(hMenu, SC_CLOSE, MF_BYCOMMAND);
 263
 264                                 SetWindowPos (hwndConsole, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED);
 265                                 SetWindowLong(hwndConsole, GWL_STYLE, GetWindowLong(hwndConsole, GWL_STYLE) & (~WS_MAXIMIZEBOX) & (~WS_MINIMIZEBOX));
 266                                 SetWindowPos (hwndConsole, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED);
 267                         }
 268                 }
 269         }
 270 }
 271
 272 ///////////////////////////////////////////////////////////////////////////////
 273 // TERMINAL COLORS
 274 ///////////////////////////////////////////////////////////////////////////////
 275
 276 //Colors
 277 static const WORD COLOR_RED    = FOREGROUND_RED | FOREGROUND_INTENSITY;
 278 static const WORD COLOR_YELLOW = FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY;
 279 static const WORD COLOR_WHITE  = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY;
 280 static const WORD COLOR_DEFAULT= FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED;
 281
 282 static void set_terminal_color(FILE *const fp, const WORD &attributes)
 283 {
 284         if(_isatty(_fileno(fp)))
 285         {
 286                 const HANDLE hConsole = (HANDLE)(_get_osfhandle(_fileno(fp)));
 287                 if (VALID_HANLDE(hConsole))
 288                 {
 289                         SetConsoleTextAttribute(hConsole, attributes);
 290                 }
 291         }
 292 }
 293
 294 ///////////////////////////////////////////////////////////////////////////////
 295 // WRITE TO TERMINAL
 296 ///////////////////////////////////////////////////////////////////////////////
 297
 298 static const char *const FORMAT = "[%c][%s] %s\r\n";
 299 static const char *const GURU_MEDITATION = "\n\nGURU MEDITATION !!!\n\n";
 300
 301 static void write_to_logfile(QFile *const file, const int &type, const char *const message)
 302 {
 303         int len = -1;
 304
 305         if (null_or_whitespace(message))
 306         {
 307                 return; /*don't write empty message to log file*/
 308         }
 309
 310         static char timestamp[32];
 311         make_timestamp(timestamp, 32);
 312
 313         switch(type)
 314         {
 315         case QtCriticalMsg:
 316         case QtFatalMsg:
 317                 len = _snprintf_s(g_conOutBuff, BUFF_SIZE, _TRUNCATE, FORMAT, 'C', timestamp, message);
 318                 break;
 319         case QtWarningMsg:
 320                 len = _snprintf_s(g_conOutBuff, BUFF_SIZE, _TRUNCATE, FORMAT, 'W', timestamp, message);
 321                 break;
 322         default:
 323                 len = _snprintf_s(g_conOutBuff, BUFF_SIZE, _TRUNCATE, FORMAT, 'I', timestamp, message);
 324                 break;
 325         }
 326
 327         if (len > 0)
 328         {
 329                 if (clean_string(g_conOutBuff) > 0)
 330                 {
 331                         file->write(g_conOutBuff);
 332                         file->flush();
 333                 }
 334         }
 335 }
 336
 337 static void write_to_debugger(const int &type, const char *const message)
 338 {
 339         int len = -1;
 340
 341         if (null_or_whitespace(message))
 342         {
 343                 return; /*don't send empty message to debugger*/
 344         }
 345
 346         static char timestamp[32];
 347         make_timestamp(timestamp, 32);
 348
 349         switch(type)
 350         {
 351         case QtCriticalMsg:
 352         case QtFatalMsg:
 353                 len = _snprintf_s(g_conOutBuff, BUFF_SIZE, _TRUNCATE, FORMAT, 'C', timestamp, message);
 354                 break;
 355         case QtWarningMsg:
 356                 len = _snprintf_s(g_conOutBuff, BUFF_SIZE, _TRUNCATE, FORMAT, 'W', timestamp, message);
 357                 break;
 358         default:
 359                 len = _snprintf_s(g_conOutBuff, BUFF_SIZE, _TRUNCATE, FORMAT, 'I', timestamp, message);
 360                 break;
 361         }
 362
 363         if (len > 0)
 364         {
 365                 if (clean_string(g_conOutBuff) > 0)
 366                 {
 367                         OutputDebugStringA(g_conOutBuff);
 368                 }
 369         }
 370 }
 371
 372 static void write_to_terminal(const int &type, const char *const message)
 373 {
 374         switch(type)
 375         {
 376         case QtCriticalMsg:
 377         case QtFatalMsg:
 378                 set_terminal_color(stderr, COLOR_RED);
 379                 fprintf(stderr, GURU_MEDITATION);
 380                 fprintf(stderr, "%s\n", message);
 381                 break;
 382         case QtWarningMsg:
 383                 set_terminal_color(stderr, COLOR_YELLOW);
 384                 fprintf(stderr, "%s\n", message);
 385                 break;
 386         default:
 387                 set_terminal_color(stderr, COLOR_WHITE);
 388                 fprintf(stderr, "%s\n", message);
 389                 break;
 390         }
 391
 392         fflush(stderr);
 393 }
 394
 395 void MUtils::Terminal::write(const int &type, const char *const message)
 396 {
 397         MUtils::Internal::CSLocker lock(g_terminal_lock);
 398
 399         if(MUTILS_BOOLIFY(g_terminal_attached))
 400         {
 401                 write_to_terminal(type, message);
 402         }
 403         else
 404         {
 405                 write_to_debugger(type, message);
 406         }
 407
 408         if(!g_terminal_log_file.isNull())
 409         {
 410                 write_to_logfile(g_terminal_log_file.data(), type, message);
 411         }
 412 }
 413
 414 ///////////////////////////////////////////////////////////////////////////////
 415 // TERMINAL ICON
 416 ///////////////////////////////////////////////////////////////////////////////
 417
 418 void MUtils::Terminal::set_icon(const QIcon &icon)
 419 {
 420         MUtils::Internal::CSLocker lock(g_terminal_lock);
 421
 422         if(MUTILS_BOOLIFY(g_terminal_attached) && (!(icon.isNull() || MUtils::OS::running_on_wine())))
 423         {
 424                 if(const HICON hIcon = (HICON) MUtils::Win32Utils::qicon_to_hicon(&icon, 16, 16))
 425                 {
 426                         typedef BOOL(__stdcall *SetConsoleIconFun)(HICON);
 427                         bool success = false;
 428                         if (const SetConsoleIconFun pSetConsoleIconFun = MUtils::Win32Utils::resolve<SetConsoleIconFun>(QLatin1String("kernel32"), QLatin1String("SetConsoleIcon")))
 429                         {
 430                                 const DWORD before = GetLastError();
 431                                 if (pSetConsoleIconFun(hIcon))
 432                                 {
 433                                         success = true;
 434                                 }
 435                                 else
 436                                 {
 437                                         const DWORD error = GetLastError();
 438                                         qWarning("SetConsoleIcon() has failed! [Error: 0x%08X]", error);
 439                                 }
 440                         }
 441                         if (!success)
 442                         {
 443                                 const HWND hwndConsole = GetConsoleWindow();
 444                                 if ((hwndConsole != NULL) && (hwndConsole != INVALID_HANDLE_VALUE))
 445                                 {
 446                                         SendMessage(hwndConsole, WM_SETICON, ICON_SMALL, LPARAM(hIcon));
 447                                         success = true;
 448                                 }
 449                         }
 450                         if (success)
 451                         {
 452                                 set_hicon(&g_terminal_icon, hIcon);
 453                         }
 454                 }
 455         }
 456 }