From 3c75ac4f9e1d927b53d1e1f34461c3883eab2ef7 Mon Sep 17 00:00:00 2001
From: srcejon <jon@beniston.com>
Date: Thu, 4 Apr 2024 15:21:09 +0100
Subject: [PATCH] Add add and removed channels or features.

---
 sdrbase/availablechannelorfeaturehandler.cpp | 19 ++++++++++++++++++-
 sdrbase/availablechannelorfeaturehandler.h   |  2 +-
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/sdrbase/availablechannelorfeaturehandler.cpp b/sdrbase/availablechannelorfeaturehandler.cpp
index eb08af7ff..af0d82ad7 100644
--- a/sdrbase/availablechannelorfeaturehandler.cpp
+++ b/sdrbase/availablechannelorfeaturehandler.cpp
@@ -81,11 +81,28 @@ void AvailableChannelOrFeatureHandler::scanAvailableChannelsAndFeatures()
         }
     }
 
+    // Create lists of which channels and features have been added or removed
+    QStringList added;
+    QStringList removed;
+
+    for (const auto& channelOrFeature : availableChannelOrFeatureList)
+    {
+        if (m_availableChannelOrFeatureList.indexOfObject(channelOrFeature.m_object) < 0) {
+            added.append(channelOrFeature.getId());
+        }
+    }
+    for (const auto& channelOrFeature : m_availableChannelOrFeatureList)
+    {
+        if (availableChannelOrFeatureList.indexOfObject(channelOrFeature.m_object) < 0) {
+            removed.append(channelOrFeature.getId());
+        }
+    }
+
     m_availableChannelOrFeatureList = availableChannelOrFeatureList;
 
     // Signal if list has changed
     if (changes) {
-        emit channelsOrFeaturesChanged(renameFrom, renameTo);
+        emit channelsOrFeaturesChanged(renameFrom, renameTo, removed, added);
     }
 }
 
diff --git a/sdrbase/availablechannelorfeaturehandler.h b/sdrbase/availablechannelorfeaturehandler.h
index 6c94c7c50..5568799d5 100644
--- a/sdrbase/availablechannelorfeaturehandler.h
+++ b/sdrbase/availablechannelorfeaturehandler.h
@@ -78,7 +78,7 @@ private slots:
     void handleFeatureRemoved(int featureSetIndex, Feature *feature);
 
 signals:
-    void channelsOrFeaturesChanged(const QStringList& renameFrom, const QStringList& renameTo);  //!< Emitted when list of channels or features has changed
+    void channelsOrFeaturesChanged(const QStringList& renameFrom, const QStringList& renameTo, const QStringList& removed, const QStringList& added);  //!< Emitted when list of channels or features has changed
     void messageEnqueued(MessageQueue *messageQueue);   //!< Emitted when message enqueued to a pipe
 
 };