Add menu to enable/disable all rows.

plugins/channelrx/freqscanner/freqscannergui.cpp

@@ -784,7 +784,13 @@ void FreqScannerGUI::updateAnnotation(int row)
         const SpectrumAnnotationMarker* closest = nullptr;
         for (const auto& marker : markers)
         {
-            if ((marker.m_startFrequency <= frequency) && (frequency < marker.m_startFrequency + marker.m_bandwidth))
+            qint64 start1 = marker.m_startFrequency;
+            qint64 stop1 = marker.m_startFrequency + marker.m_bandwidth;
+            qint64 start2 = frequency - m_settings.m_channelBandwidth / 2;
+            qint64 stop2 = frequency + m_settings.m_channelBandwidth / 2;
+            if (   ((start2 >= start1) && (start2 <= stop1))
+                || ((stop2 >= start1) && (stop2 <= stop1))
+               )
             {
                 if (marker.m_bandwidth == (unsigned)m_settings.m_channelBandwidth) {
                     // Exact match
@@ -816,6 +822,13 @@ void FreqScannerGUI::updateAnnotations()
     }
 }
 
+void FreqScannerGUI::setAllEnabled(bool enable)
+{
+    for (int i = 0; i < ui->table->rowCount(); i++) {
+        ui->table->item(i, COL_ENABLE)->setCheckState(enable ? Qt::Checked : Qt::Unchecked);
+    }
+}
+
 void FreqScannerGUI::table_customContextMenuRequested(QPoint pos)
 {
     QTableWidgetItem* item = ui->table->itemAt(pos);
@@ -836,6 +849,24 @@ void FreqScannerGUI::table_customContextMenuRequested(QPoint pos)
             });
         tableContextMenu->addAction(copyAction);
 
+        tableContextMenu->addSeparator();
+
+        // Enable all
+
+        QAction* enableAllAction = new QAction("Enable all", tableContextMenu);
+        connect(enableAllAction, &QAction::triggered, this, [this]()->void {
+            setAllEnabled(true);
+            });
+        tableContextMenu->addAction(enableAllAction);
+
+        // Disable all
+
+        QAction* disableAllAction = new QAction("Disable all", tableContextMenu);
+        connect(disableAllAction, &QAction::triggered, this, [this]()->void {
+            setAllEnabled(false);
+            });
+        tableContextMenu->addAction(disableAllAction);
+
         // Remove selected rows
 
         QAction* removeAction = new QAction("Remove", tableContextMenu);

plugins/channelrx/freqscanner/freqscannergui.h

@@ -96,6 +96,7 @@ private:
     void updateAnnotation(int row);
     void updateAnnotations();
     void updateChannelsList(const QList<FreqScannerSettings::AvailableChannel>& channels);
+    void setAllEnabled(bool enable);
 
     void leaveEvent(QEvent*);
     void enterEvent(EnterEventType*);

plugins/channelrx/freqscanner/readme.md

@@ -4,6 +4,8 @@
 
 This plugin can be used to scan a range of frequencies looking for a transmission and then tune another channel (such as an AM or DSD Demod) to that frequency.
 
+[Tutorial Video](https://www.youtube.com/watch?v=IpKP3t4Bmmg)
+
 <h2>Interface</h2>
 
 The top and bottom bars of the channel window are described [here](../../../sdrgui/channel/readme.md)
@@ -101,6 +103,8 @@ When an active frequency is found after a scan, the corresponding row in the tab
 Right clicking on a cell will display a popup menu:
 
 - Copy contents of cell to clipboard.
+- Enable all rows.
+- Disable all rows.
 - Remove selected rows.
 - Tune selected channel (1) to the frequency in the row clicked on.