From 09664666864174a7e10c4b76ecb3954be83d96a8 Mon Sep 17 00:00:00 2001
From: Bryan Paradis <bryan.paradis@gmail.com>
Date: Sun, 23 Feb 2025 10:01:00 -0800
Subject: [PATCH] validate math formula on text change

---
 .../PC_Application/LibreVNA-GUI/Traces/traceeditdialog.cpp     | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Software/PC_Application/LibreVNA-GUI/Traces/traceeditdialog.cpp b/Software/PC_Application/LibreVNA-GUI/Traces/traceeditdialog.cpp
index 852705a..fab0edb 100644
--- a/Software/PC_Application/LibreVNA-GUI/Traces/traceeditdialog.cpp
+++ b/Software/PC_Application/LibreVNA-GUI/Traces/traceeditdialog.cpp
@@ -147,8 +147,7 @@ TraceEditDialog::TraceEditDialog(Trace &t, QWidget *parent) :
 
     // Math source configuration
     if(t.getModel()) {
-        ui->lMathFormula->setText(t.getMathFormula());
-        connect(ui->lMathFormula, &QLineEdit::editingFinished, [&](){
+        connect(ui->lMathFormula, &QLineEdit::textChanged, [&](){
             t.setMathFormula(ui->lMathFormula->text());
             ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(t.mathFormularValid());
         });