Updated README.md

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README.md

@@ -26,6 +26,11 @@ qmake RepRaptor.pro
 
 make
 ```
+And if you want to install system-wide
+```
+sudo make install
+```
+
 ## Links
 - [Binary release downloads (Windows, Linux)](https://github.com/NeoTheFox/RepRaptor/releases)
 - [RepRap wiki](http://reprap.org/wiki/RepRaptor)

main.cpp

@@ -5,10 +5,12 @@ int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
 
+    //Set some props in order to fetch and save QSettings
     QCoreApplication::setOrganizationName("NeoTheFox");
     QCoreApplication::setOrganizationDomain("https://github.com/NeoTheFox");
     QCoreApplication::setApplicationName("RepRaptor");
 
+    //Set the priority, so the OS would not mess up serial communication
     QThread::currentThread()->setPriority(QThread::HighestPriority);
 
     MainWindow w;

mainwindow.cpp

@@ -38,13 +38,24 @@ MainWindow::MainWindow(QWidget *parent) :
     ui->baudbox->addItem(QString::number(500000));
 
     //Create objects
+    //Timers need parent to be set up
+    //in order to be tied to its thread
+    //and stop right
     statusTimer = new QTimer(this);
     progressSDTimer = new QTimer(this);
+    //QElapsedTimers have no parents
     sinceLastTemp = new QElapsedTimer();
     sinceLastSDStatus = new QElapsedTimer();
+    //Workers would be moved to ther thread,
+    //so we should not set their parents. Instead,
+    //we should connect QThread's finished() to
+    //worker's deleteLater()
     parserWorker = new Parser();
-    parserThread = new QThread(this);
     senderWorker = new Sender();
+    //Setting the parent of QThread lets
+    //threads to stop right, and also makes
+    //them inherit parent's priority
+    parserThread = new QThread(this);
     senderThread = new QThread(this);
 
     //Restore settings