From 314a8a0daab93058082398e766da1da19fd679c2 Mon Sep 17 00:00:00 2001
From: Dhanya Thattil <dhanya.thattil@psi.ch>
Date: Mon, 6 Nov 2023 16:11:52 +0100
Subject: [PATCH] handling inconsistent fnums to be -1 in gui, so when one sets
 0 (change of value) will also give an exception (#854)

---
 slsDetectorGui/src/qTabMeasurement.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/slsDetectorGui/src/qTabMeasurement.cpp b/slsDetectorGui/src/qTabMeasurement.cpp
index c3282d67e..0bcfb7111 100644
--- a/slsDetectorGui/src/qTabMeasurement.cpp
+++ b/slsDetectorGui/src/qTabMeasurement.cpp
@@ -803,8 +803,9 @@ void qTabMeasurement::GetNextFrameNumber() {
             "Inconsistent starting frame number for all detectors.");
         spinNextFrameNumber->setValue(retval);
     }
-    CATCH_DISPLAY("Could not get starting frame number.",
-                  "qTabMeasurement::GetNextFrameNumber")
+    CATCH_HANDLE("Could not get starting frame number.",
+                  "qTabMeasurement::GetNextFrameNumber", spinNextFrameNumber,
+            &QSpinBox::setValue, -1)
     connect(spinNextFrameNumber, SIGNAL(valueChanged(int)), this,
             SLOT(SetNextFrameNumber(int)));
 }