From 3cc2dcabb57e16e439d8f02aa85f48149deca058 Mon Sep 17 00:00:00 2001
From: NeoTheFox <soniczerops@gmail.com>
Date: Wed, 25 Mar 2015 22:36:49 +0300
Subject: [PATCH 1/2] Added check for empty filename

---
 mainwindow.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 2eb363f..1e33e0c 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -30,7 +30,7 @@ MainWindow::MainWindow(QWidget *parent) :
     ui->btmpspin->installEventFilter(this);
     recentMenu = new QMenu(this);
     trayIcon = new QSystemTrayIcon(this);
-    trayIcon->setIcon(QIcon(":icons/repraptor.png"));
+    trayIcon->setIcon(QIcon(QPixmap(":icons/repraptor.png")));
     trayIconMenu = new QMenu(this);
     trayIconMenu->addAction(ui->actionOpen);
     trayIconMenu->addAction(ui->actionExit);
@@ -210,6 +210,7 @@ void MainWindow::open()
                                             tr("Open GCODE"),
                                             home.home().absolutePath(),
                                             "GCODE (*.g *.gco *.gcode *.nc)");
+    if(filename.isEmpty() || filename.isNull()) return;
     gfile.setFileName(filename);
     if(!recentFiles.contains(filename))
     {

From 70963c8f59c1f6f71ef317f803f8a153e282be92 Mon Sep 17 00:00:00 2001
From: NeoTheFox <soniczerops@gmail.com>
Date: Wed, 25 Mar 2015 23:00:05 +0300
Subject: [PATCH 2/2] No need for QPixmap

---
 mainwindow.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 1e33e0c..de4cc3b 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -30,7 +30,7 @@ MainWindow::MainWindow(QWidget *parent) :
     ui->btmpspin->installEventFilter(this);
     recentMenu = new QMenu(this);
     trayIcon = new QSystemTrayIcon(this);
-    trayIcon->setIcon(QIcon(QPixmap(":icons/repraptor.png")));
+    trayIcon->setIcon(QIcon(":icons/repraptor.png"));
     trayIconMenu = new QMenu(this);
     trayIconMenu->addAction(ui->actionOpen);
     trayIconMenu->addAction(ui->actionExit);