More error messages

errorwindow.cpp

@@ -1,11 +1,26 @@
 #include "errorwindow.h"
 #include "ui_errorwindow.h"
 
-ErrorWindow::ErrorWindow(QWidget *parent, QString errorText) :
+using namespace RepRaptor;
+
+ErrorWindow::ErrorWindow(QWidget *parent, QString errorText, int errType):
     QDialog(parent),
     ui(new Ui::ErrorWindow)
 {
     ui->setupUi(this);
+    switch(errType)
+    {
+    case SerialPortError:
+        ui->label->setText("Serial port error:");
+        break;
+    case OpenFileError:
+        ui->label->setText("File open error:");
+        break;
+    default:
+        ui->label->setText("Unknown error type:");
+        break;
+    }
+
     ui->errorlabel->setText(errorText);
 }
 

errorwindow.h

@@ -4,6 +4,7 @@
 #include <QDialog>
 
 #include "erroricon.h"
+#include "repraptor.h"
 
 namespace Ui {
 class ErrorWindow;
@@ -14,7 +15,7 @@ class ErrorWindow : public QDialog
     Q_OBJECT
 
 public:
-    explicit ErrorWindow(QWidget *parent = 0, QString errorText = "Unknown error");
+    explicit ErrorWindow(QWidget *parent = 0, QString errorText = "Unknown error", int errType = 0);
     ~ErrorWindow();
 
 private:

mainwindow.cpp

@@ -222,6 +222,13 @@ void MainWindow::parseFile(QString filename)
         ui->filename->setText(gfile.fileName().split(QDir::separator()).last());
         ui->filelines->setText(QString::number(gcode.size()) + QString("/0 lines"));
     }
+    else
+    {
+        ErrorWindow window(this, "Can't open file", OpenFileError);
+        ui->filename->setText("");
+        ui->filelines->setText("");
+        window.exec();
+    }
 }
 
 void MainWindow::serialupdate()
@@ -691,7 +698,7 @@ void MainWindow::serialError(QSerialPort::SerialPortError error)
     }
 
     //Spawn the error message
-    ErrorWindow errorwindow(this, errorMsg);
+    ErrorWindow errorwindow(this, errorMsg, SerialPortError);
     errorwindow.exec();
 }
 
@@ -871,7 +878,7 @@ void MainWindow::baudrateSetFailed(int b)
 {
     ErrorWindow errorwindow(this, QString("Baudrate set failed:\n" +
                                   QString::number(b) +
-                                  " baud"));
+                                  " baud"), SerialPortError);
     errorwindow.show();
 }
 

repraptor.h

@@ -24,6 +24,12 @@ namespace RepRaptor
         OtherFirmware
     };
 
+    enum ErrorType
+    {
+        SerialPortError,
+        OpenFileError
+    };
+
     typedef struct
     {
         int T, P;