First triangle drawn in Qt Project

MeshViewerQt/Source/MainWindow.cpp

@@ -2,8 +2,12 @@
 #include "OpenGlViewer.h"
 #include "defines.h"
 #include <QKeyEvent>
+#include <QMessageBox>
 
 
+/////////////////////////////////////////////////////////////////////////
+// constructor/destructor
+
 MainWindow::MainWindow(QWidget *parent)
 	: QMainWindow(parent)
 	, ui (new Ui::MainWindowClass)
@@ -16,6 +20,10 @@ MainWindow::~MainWindow()
 	delete ui;
 }
 
+
+/////////////////////////////////////////////////////////////////////////
+// private functions
+
 void MainWindow::setupWindow()
 {
 	ui->setupUi(this);
@@ -26,11 +34,32 @@ void MainWindow::setupWindow()
 
 	this->setCentralWidget(new OpenGlViewer(this));
 
+	ui->mainToolBar->addAction("File Info", this, &MainWindow::aboutFile);
+
 	ui->statusBar->showMessage(DEFAULT_STATUS_MESSAGE);
-
-
 }
 
+
+/////////////////////////////////////////////////////////////////////////
+// private slots
+
+void MainWindow::openFile()
+{
+	//TODO: Open file
+}
+
+void MainWindow::aboutFile()
+{
+	//TODO: Open Window with file information
+	QMessageBox* dialog = new QMessageBox(QMessageBox::Information, WINDOW_NAME, "File Info", QMessageBox::StandardButton::Close, this, Qt::Dialog | Qt::MSWindowsFixedSizeDialogHint);
+	dialog->setDetailedText("This is the cool detailed text\n");
+	dialog->exec();
+}
+
+
+/////////////////////////////////////////////////////////////////////////
+// events
+
 void MainWindow::keyPressEvent(QKeyEvent * keyEvent)
 {
 	switch (keyEvent->key())