Return old spline path name -> SplPath.

--HG--
branch : develop

src/app/dialogs/app/dialogundo.cpp

@@ -50,6 +50,8 @@ DialogUndo::DialogUndo(QWidget *parent)
     }
     connect(ui->pushButtonFix, &QPushButton::clicked, this, &DialogUndo::Fix);
     connect(ui->pushButtonCancel, &QPushButton::clicked, this, &DialogUndo::Cancel);
+
+    setCursor(Qt::ArrowCursor);
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/options.cpp

@@ -169,7 +169,7 @@ const QString line_      = QStringLiteral("Line_");
 const QString angleLine_ = QStringLiteral("AngleLine_");
 const QString arc_       = QStringLiteral("Arc_");
 const QString spl_       = QStringLiteral("Spl_");
-const QString splPath    = QStringLiteral("splPath");
+const QString splPath    = QStringLiteral("SplPath");
 
 //functions
 const QString sin_F   = QStringLiteral("sin");

src/app/tools/drawTools/vdrawtool.cpp

@@ -183,6 +183,7 @@ void VDrawTool::SetFactor(qreal factor)
  */
 qreal VDrawTool::CheckFormula(QString &formula, VContainer *data)
 {
+    SCASSERT(data != nullptr)
     qreal result = 0;
     Calculator *cal = nullptr;
     try
@@ -193,7 +194,12 @@ qreal VDrawTool::CheckFormula(QString &formula, VContainer *data)
     }
     catch (qmu::QmuParserError &e)
     {
-        Q_UNUSED(e)
+        //Q_UNUSED(e)
+        qDebug() << "\nMath parser error:\n"
+                 << "--------------------------------------\n"
+                 << "Message:     " << e.GetMsg()  << "\n"
+                 << "Expression:  " << e.GetExpr() << "\n"
+                 << "--------------------------------------";
         delete cal;
 
         DialogUndo *dialogUndo = new DialogUndo(qApp->getMainWindow());

src/app/widgets/vapplication.cpp

@@ -1832,7 +1832,6 @@ QString VApplication::FormulaFromUser(const QString &formula)
     }
 
     return newFormula;
-
 }
 
 //---------------------------------------------------------------------------------------------------------------------