From a559d511f93b7f2db84ff283f1b1b642dd541241 Mon Sep 17 00:00:00 2001
From: Allan Bazinet <allan.bazinet@gmail.com>
Date: Thu, 31 Oct 2024 06:26:44 -0700
Subject: [PATCH] Use scoped value for replot

---
 plotter.cpp | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/plotter.cpp b/plotter.cpp
index 98c178e0..96e382a1 100644
--- a/plotter.cpp
+++ b/plotter.cpp
@@ -185,7 +185,7 @@ CPlotter::draw(float      swide[],
 {
   // Move current data down one line (must do this before attaching a QPainter object)
 
-  if(bScroll && !m_replot)
+  if (bScroll && !m_replot)
   {
     m_WaterfallPixmap.scroll(0, 1, m_WaterfallPixmap.rect());
   }
@@ -205,7 +205,7 @@ CPlotter::draw(float      swide[],
   if(swide[0] > 1.e29 && swide[0] < 1.5e30) painter1.setPen(Qt::green); // horizontal line
   if(swide[0] > 1.4e30                    ) painter1.setPen(Qt::yellow);
 
-  if(!m_replot)
+  if (!m_replot)
   {
     m_j      =  0;
     int irow = -1;
@@ -338,7 +338,7 @@ CPlotter::replot()
   resizeEvent(nullptr);
   float swide[m_w];
 
-  m_replot = true;
+  QScopedValueRollback scoped(m_replot, true);
 
   for (int irow = 0; irow < m_h1; irow++)
   {
@@ -348,8 +348,6 @@ CPlotter::replot()
   }
 
   update();
-
-  m_replot = false;
 }
 
 void