Handle the remove last device in main window with the new sampling device control

sdrbase/device/deviceenumerator.cpp

@@ -129,6 +129,26 @@ void DeviceEnumerator::changeTxSelection(int tabIndex, int deviceIndex)
     }
 }
 
+void DeviceEnumerator::removeRxSelection(int tabIndex)
+{
+    for (DevicesEnumeration::iterator it = m_rxEnumeration.begin(); it != m_rxEnumeration.end(); ++it)
+    {
+        if (it->m_samplingDevice.claimed == tabIndex) {
+            it->m_samplingDevice.claimed = -1;
+        }
+    }
+}
+
+void DeviceEnumerator::removeTxSelection(int tabIndex)
+{
+    for (DevicesEnumeration::iterator it = m_txEnumeration.begin(); it != m_txEnumeration.end(); ++it)
+    {
+        if (it->m_samplingDevice.claimed == tabIndex) {
+            it->m_samplingDevice.claimed = -1;
+        }
+    }
+}
+
 int DeviceEnumerator::getFileSourceDeviceIndex() const
 {
     for (DevicesEnumeration::const_iterator it = m_rxEnumeration.begin(); it != m_rxEnumeration.end(); ++it)

sdrbase/device/deviceenumerator.h

@@ -37,6 +37,8 @@ public:
     void listTxDeviceNames(QList<QString>& list, std::vector<int>& indexes) const;
     void changeRxSelection(int tabIndex, int deviceIndex);
     void changeTxSelection(int tabIndex, int deviceIndex);
+    void removeRxSelection(int tabIndex);
+    void removeTxSelection(int tabIndex);
     PluginInterface::SamplingDevice getRxSamplingDevice(int deviceIndex) const { return m_rxEnumeration[deviceIndex].m_samplingDevice; }
     PluginInterface::SamplingDevice getTxSamplingDevice(int deviceIndex) const { return m_txEnumeration[deviceIndex].m_samplingDevice; }
     PluginInterface *getRxPluginInterface(int deviceIndex) { return m_rxEnumeration[deviceIndex].m_pluginInterface; }

sdrgui/gui/samplingdevicecontrol.cpp

@@ -30,6 +30,7 @@ SamplingDeviceControl::SamplingDeviceControl(int tabIndex, bool rxElseTx, QWidge
     m_selectedDeviceIndex(-1)
 {
     ui->setupUi(this);
+    ui->deviceSelectedText->setText("None");
 }
 
 SamplingDeviceControl::~SamplingDeviceControl()
@@ -75,6 +76,22 @@ void SamplingDeviceControl::setSelectedDeviceIndex(int index)
     m_selectedDeviceIndex = index;
 }
 
+void SamplingDeviceControl::removeSelectedDeviceIndex()
+{
+    if (m_rxElseTx)
+    {
+        DeviceEnumerator::instance()->removeRxSelection(m_deviceTabIndex);
+        ui->deviceSelectedText->setText("None");
+    }
+    else
+    {
+        DeviceEnumerator::instance()->removeTxSelection(m_deviceTabIndex);
+        ui->deviceSelectedText->setText("None");
+    }
+
+    m_selectedDeviceIndex = -1;
+}
+
 QComboBox *SamplingDeviceControl::getChannelSelector()
 {
     return ui->channelSelect;

sdrgui/gui/samplingdevicecontrol.h

@@ -42,6 +42,7 @@ public:
 
     int getSelectedDeviceIndex() const { return m_selectedDeviceIndex; }
     void setSelectedDeviceIndex(int index);
+    void removeSelectedDeviceIndex();
 
     void setPluginManager(PluginManager *pluginManager) { m_pluginManager = pluginManager; }
     QComboBox *getChannelSelector();

sdrgui/mainwindow.cpp

@@ -360,6 +360,7 @@ void MainWindow::removeLastDevice()
         m_deviceUIs.back()->m_deviceSourceAPI->getPluginInterface()->deleteSampleSourcePluginInstanceInput(
                 m_deviceUIs.back()->m_deviceSourceAPI->getSampleSource());
         m_deviceUIs.back()->m_deviceSourceAPI->clearBuddiesLists(); // clear old API buddies lists
+        m_deviceUIs.back()->m_samplingDeviceControl->removeSelectedDeviceIndex(); // This releases the device in the device list
 
 	    ui->tabChannels->removeTab(ui->tabChannels->count() - 1);
 
@@ -398,6 +399,7 @@ void MainWindow::removeLastDevice()
 	    m_deviceUIs.back()->m_deviceSinkAPI->getPluginInterface()->deleteSampleSinkPluginInstanceOutput(
 	            m_deviceUIs.back()->m_deviceSinkAPI->getSampleSink());
         m_deviceUIs.back()->m_deviceSinkAPI->clearBuddiesLists(); // clear old API buddies lists
+        m_deviceUIs.back()->m_samplingDeviceControl->removeSelectedDeviceIndex(); // This releases the device in the device list
 
 	    ui->tabChannels->removeTab(ui->tabChannels->count() - 1);