MainProcess::MainProcess(QObject *parent) : QThread(parent) {
QString settingsFile = QCoreApplication::applicationDirPath() + "/settings.ini";
settings = new QSettings(settingsFile, QSettings::IniFormat);
parser = new LogParser(settings, this);
ctrl = new LCDController(this);
QString logfile = settings->value("main/logfile", "").toString();
file = new QFile(logfile);
if (logfile != "") {
keepRunning = file->open(QIODevice::ReadOnly | QIODevice::Text);
} else {
keepRunning = false;
}
if (!keepRunning) {
qDebug() << "error opening file!";
system("pause");
}
connect(this, SIGNAL(runAgain()), this, SLOT(run()));
connect(this, SIGNAL(lineRead(QString)), parser, SLOT(parseLine(QString)));
connect(parser, SIGNAL(setValues(LogParser::infopackage)), ctrl, SLOT(setValues(LogParser::infopackage)));
//TODO: non win-specific version
SetConsoleCtrlHandler((PHANDLER_ROUTINE) handleSIGINT, TRUE);
qDebug() << "up and running!";
}
void MainProcess::run(){
QString line;
if (keepRunning) {
if (file->bytesAvailable()) {
emit lineRead(file->readLine());
} else {
sleep(1);
}
emit runAgain();
}
emit done();
}
int main() {
double a, b, c, d;
double rootfloor, rootceil;
printf("This program will compute the roots of a cubic equation in the form:\n");
puts("Ax^3 + Bx^2 + Cx + D = 0");
printf("--------------------------------------------------------------------\n");
printf("Input the coefficients A, B, C, and the constant D separated by a space:\n");
scanf("%lf %lf %lf %lf", &a, &b, &c, &d);
printf("rootSearch Lower limit: ");
scanf("%lf", &rootfloor);
printf("rootSearch Upper limit: ");
scanf("%lf", &rootceil);
rootSearch(a, b, c, d, rootfloor, rootceil);
runAgain();
return 0;
}
