From 15a3cf7504c923b2e964827144fd46970b89533f Mon Sep 17 00:00:00 2001
From: Bernd Porr <mail@berndporr.me.uk>
Date: Sun, 11 Feb 2024 23:42:01 +0000
Subject: [PATCH] Moved the mutex closer to the action!

---
 window.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/window.cpp b/window.cpp
index 86e52db..2cb6891 100644
--- a/window.cpp
+++ b/window.cpp
@@ -67,20 +67,21 @@ void Window::reset() {
 }
 
 
+// add the new input to the plot
 void Window::hasData(double inVal) {
     mtx.lock();
-    // add the new input to the plot
     std::move( yData, yData + plotDataSize - 1, yData+1 );
     yData[0] = inVal;
     mtx.unlock();
 }
 
+// screen refresh
 void Window::timerEvent( QTimerEvent * )
 {
     mtx.lock();
     curve->setSamples(xData, yData, plotDataSize);
     thermo->setValue( fabs(yData[0]) );
+    mtx.unlock();
     plot->replot();
     update();
-    mtx.unlock();
 }