From 965e647e2df390c3bb08368c8e358bb996c6f1a7 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Sat, 18 Apr 2026 15:18:50 +0000
Subject: [PATCH] Improve freqdisplay polling diagnostics and font sizing
 guards

Agent-Logs-Url: https://github.com/srcejon/sdrangel/sessions/3b53c052-7f2b-4597-b509-d7cc17f3b0b0

Co-authored-by: srcejon <57259258+srcejon@users.noreply.github.com>
---
 plugins/feature/freqdisplay/freqdisplaygui.cpp | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/plugins/feature/freqdisplay/freqdisplaygui.cpp b/plugins/feature/freqdisplay/freqdisplaygui.cpp
index 941dc37eb..b5412f602 100644
--- a/plugins/feature/freqdisplay/freqdisplaygui.cpp
+++ b/plugins/feature/freqdisplay/freqdisplaygui.cpp
@@ -11,8 +11,8 @@
 #include "freqdisplaygui.h"
 
 namespace {
-// Derived empirically to keep the rendered frequency text large and readable while
-// avoiding clipping in typical feature window sizes.
+// For typical feature windows this keeps the text close to ~22% of the smallest
+// widget dimension, which yields large readable digits without clipping.
 constexpr double frequencyFontScale = 0.22;
 constexpr const char* rxTxKinds = "RT";
 constexpr int pollIntervalMs = 1000;
@@ -217,13 +217,18 @@ void FreqDisplayGUI::updateFrequencyText()
     double centerFrequencyHz = 0.0;
     int offsetHz = 0;
 
-    if (!ChannelWebAPIUtils::getCenterFrequency(selectedChannel.m_superIndex, centerFrequencyHz)
-        || !ChannelWebAPIUtils::getFrequencyOffset(selectedChannel.m_superIndex, selectedChannel.m_index, offsetHz))
+    if (!ChannelWebAPIUtils::getCenterFrequency(selectedChannel.m_superIndex, centerFrequencyHz))
     {
         ui->frequencyValue->setText(tr("Frequency unavailable"));
         updateFrequencyFont();
         return;
     }
+    if (!ChannelWebAPIUtils::getFrequencyOffset(selectedChannel.m_superIndex, selectedChannel.m_index, offsetHz))
+    {
+        ui->frequencyValue->setText(tr("Offset unavailable"));
+        updateFrequencyFont();
+        return;
+    }
 
     const qint64 centerFrequencyRounded = qRound64(centerFrequencyHz);
     const qint64 channelOffset = static_cast<qint64>(offsetHz);
@@ -235,6 +240,9 @@ void FreqDisplayGUI::updateFrequencyText()
 void FreqDisplayGUI::updateFrequencyFont()
 {
     const int minDimension = qMin(ui->frequencyValue->width(), ui->frequencyValue->height());
+    if (minDimension <= 0) {
+        return;
+    }
     const int pointSize = qMax(minimumFrequencyFontPointSize, static_cast<int>(minDimension * frequencyFontScale));
 
     QFont font = ui->frequencyValue->font();