void signal_handler(int sig)
{
if (sig == SIGTSTP)
handle_tstp();
if (sig == SIGCONT)
handle_cont();
if (sig == SIGWINCH)
handle_winch();
if (sig == SIGINT || sig == SIGTERM)
handle_killers();
}
char LibNcurses::HandleEvent()
{
int tmp;
char button;
tmp = getch();
button = 0;
if (tmp == KEY_ESC)
button = -1;
else if (tmp == KEY_LEFT)
button = 1;
else if (tmp == KEY_RIGHT)
button = 2;
else if (tmp == KEY_PAUSE)
button = 3;
else if (tmp == KEY_RESIZE)
handle_winch(maxX, maxY);
return (button);
}
/**
Initialize various subsystems. This also closes stdin and replaces
it with a copy of stderr, so the reading of completion strings must
be done before init is called.
*/
static void init( int mangle_descriptors, int out )
{
struct sigaction act;
static struct termios pager_modes;
char *term;
if( mangle_descriptors )
{
/*
Make fd 1 output to screen, and use some other fd for writing
the resulting output back to the caller
*/
int in;
out = dup( 1 );
close(1);
close(0);
/* OK to not use CLO_EXEC here because fish_pager is single threaded */
if( (in = open( ttyname(2), O_RDWR )) != -1 )
{
if( dup2( 2, 1 ) == -1 )
{
debug( 0, _(L"Could not set up output file descriptors for pager") );
exit( 1 );
}
if( dup2( in, 0 ) == -1 )
{
debug( 0, _(L"Could not set up input file descriptors for pager") );
exit( 1 );
}
}
else
{
debug( 0, _(L"Could not open tty for pager") );
exit( 1 );
}
}
if( !(out_file = fdopen( out, "w" )) )
{
debug( 0, _(L"Could not initialize result pipe" ) );
exit( 1 );
}
env_universal_init( 0, 0, 0, 0);
input_common_init( &interrupt_handler );
output_set_writer( &pager_buffered_writer );
sigemptyset( & act.sa_mask );
act.sa_flags=0;
act.sa_handler=SIG_DFL;
act.sa_flags = 0;
act.sa_handler= &handle_winch;
if( sigaction( SIGWINCH, &act, 0 ) )
{
wperror( L"sigaction" );
exit(1);
}
handle_winch( 0 ); /* Set handler for window change events */
tcgetattr(0,&pager_modes); /* get the current terminal modes */
memcpy( &saved_modes,
&pager_modes,
sizeof(saved_modes)); /* save a copy so we can reset the terminal later */
pager_modes.c_lflag &= ~ICANON; /* turn off canonical mode */
pager_modes.c_lflag &= ~ECHO; /* turn off echo mode */
pager_modes.c_cc[VMIN]=1;
pager_modes.c_cc[VTIME]=0;
/*
*/
if( tcsetattr(0,TCSANOW,&pager_modes)) /* set the new modes */
{
wperror(L"tcsetattr");
exit(1);
}
if( setupterm( 0, STDOUT_FILENO, 0) == ERR )
{
debug( 0, _(L"Could not set up terminal") );
exit(1);
}
term = getenv("TERM");
if( term )
{
wchar_t *wterm = str2wcs(term);
output_set_term( wterm );
free( wterm );
}
/* Infer term256 support */
char *fish_term256 = getenv("fish_term256");
bool support_term256;
if (fish_term256) {
support_term256 = from_string<bool>(fish_term256);
} else {
support_term256 = term && strstr(term, "256color");
}
output_set_supports_term256(support_term256);
}
bool InitSystem(void)
{
setlocale(LC_ALL, "");
systemData.locale = QLocale::system();
systemData.locale.setNumberOptions(QLocale::OmitGroupSeparator);
QLocale::setDefault(systemData.locale);
QTextStream out(stdout);
systemData.homedir = QDir::homePath() + QDir::separator();
#ifdef WIN32 /* WINDOWS */
systemData.sharedDir = (QDir::currentPath() + QDir::separator());
#else
systemData.sharedDir = QString(SHARED_DIR) + QDir::separator();
#endif /* WINDOWS */
//logfile
#ifdef WIN32 /* WINDOWS */
systemData.logfileName = systemData.homedir + "mandelbulber_log.txt";
#else
systemData.logfileName = systemData.homedir + ".mandelbulber_log.txt";
#endif
FILE *logfile = fopen(systemData.logfileName.toUtf8().constData(), "w");
fclose(logfile);
out << "Mandelbulber " << MANDELBULBER_VERSION_STRING << ", build date: " << QString(__DATE__) << "\n";
out << "Log file name: " << systemData.logfileName << endl;
WriteLogString("Mandelbulber version", QString(MANDELBULBER_VERSION_STRING));
WriteLogString("Mandelbulber compilation date", QString(__DATE__) + " " + QString(__TIME__));
//detecting number of CPU cores
systemData.numberOfThreads = get_cpu_count();
//NR_THREADS = 1;
printf("Detected %d CPUs\n", systemData.numberOfThreads);
WriteLogDouble("CPUs detected", systemData.numberOfThreads);
#ifdef ONETHREAD //for debugging
NR_THREADS = 1;
#endif
//data directory location
#ifdef WIN32 /* WINDOWS */
systemData.dataDirectory = systemData.homedir + "mandelbulber" + QDir::separator();
#else
systemData.dataDirectory = systemData.homedir + ".mandelbulber" + QDir::separator();
#endif
out << "Default data directory: " << systemData.dataDirectory << endl;
WriteLogString("Default data directory", systemData.dataDirectory);
systemData.thumbnailDir = systemData.dataDirectory + "thumbnails" + QDir::separator();
systemData.autosaveFile = systemData.dataDirectory + ".autosave.fract";
//*********** temporary set to false ************
systemData.noGui = false;
systemData.lastSettingsFile = systemData.dataDirectory + "settings" + QDir::separator() + QString("settings.fract");
systemData.lastImageFile = systemData.dataDirectory + "images" + QDir::separator() + QString("image.jpg");
systemData.lastImagePaletteFile = systemData.sharedDir + "textures" + QDir::separator() + QString("colour palette.jpg");
QLocale systemLocale = QLocale::system();
systemData.decimalPoint = systemLocale.decimalPoint();
WriteLogString("Decimal point", QString(systemData.decimalPoint));
systemData.supportedLanguages.insert("en_EN", "English");
systemData.supportedLanguages.insert("pl_PL", "Polski");
systemData.supportedLanguages.insert("de_DE", "Deutsch");
systemData.supportedLanguages.insert("it_IT", "Italiano");
//get number of columns of console
#ifdef WIN32
systemData.terminalWidth = 80;
#else
handle_winch(-1);
#endif
return true;
}
