math: use operation by default for name

app/node/math/math/math.cpp

@@ -44,6 +44,14 @@ MathNode::MathNode()
 
 QString MathNode::Name() const
 {
+  // Default to naming after the operation
+  if (parent()) {
+    QString op_name = GetOperationName(GetOperation());
+    if (!op_name.isEmpty()) {
+      return op_name;
+    }
+  }
+
   return tr("Math");
 }
 
@@ -70,12 +78,12 @@ void MathNode::Retranslate()
   SetInputName(kParamAIn, tr("Value"));
   SetInputName(kParamBIn, tr("Value"));
 
-  QStringList operations = {tr("Add"),
-                            tr("Subtract"),
-                            tr("Multiply"),
-                            tr("Divide"),
+  QStringList operations = {GetOperationName(kOpAdd),
+                            GetOperationName(kOpSubtract),
+                            GetOperationName(kOpMultiply),
+                            GetOperationName(kOpDivide),
                             QString(),
-                            tr("Power")};
+                            GetOperationName(kOpPower)};
 
   SetComboBoxStrings(kMethodIn, operations);
 }

app/node/math/math/mathbase.cpp

@@ -167,6 +167,19 @@ void MathNodeBase::PushVector(NodeValueTable *output, olive::NodeValue::Type typ
   }
 }
 
+QString MathNodeBase::GetOperationName(Operation o)
+{
+  switch (o) {
+  case kOpAdd: return tr("Add");
+  case kOpSubtract: return tr("Subtract");
+  case kOpMultiply: return tr("Multiply");
+  case kOpDivide: return tr("Divide");
+  case kOpPower: return tr("Power");
+  }
+
+  return QString();
+}
+
 void MathNodeBase::PerformAllOnFloatBuffer(Operation operation, float *a, float b, int start, int end)
 {
   for (int j=start;j<end;j++) {

app/node/math/math/mathbase.h

@@ -38,6 +38,8 @@ public:
     kOpPower
   };
 
+  static QString GetOperationName(Operation o);
+
 protected:
   enum Pairing {
     kPairNone = -1,