2 files changed, 18 insertions, 0 deletions
diff --git a/qt-ui/downloadfromdivecomputer.cpp b/qt-ui/downloadfromdivecomputer.cpp
index 57415fac5..b7eb520c4 100644
--- a/qt-ui/downloadfromdivecomputer.cpp
+++ b/qt-ui/downloadfromdivecomputer.cpp
@@ -70,6 +70,7 @@ DownloadFromDCWidget::DownloadFromDCWidget(QWidget* parent, Qt::WindowFlags f) :
 		if (default_dive_computer_product)
 			ui.product->setCurrentIndex(ui.product->findText(default_dive_computer_product));
 	}
+	connect(ui.product, SIGNAL(currentIndexChanged(int)), this, SLOT(on_product_currentIndexChanged()), Qt::UniqueConnection);
 	if (default_dive_computer_device)
 		ui.device->setEditText(default_dive_computer_device);
 
@@ -168,6 +169,22 @@ void DownloadFromDCWidget::on_vendor_currentIndexChanged(const QString& vendor)
 	//currentModel->deleteLater();
 }
 
+void DownloadFromDCWidget::on_product_currentIndexChanged()
+{
+	// Set up the DC descriptor
+	dc_descriptor_t *descriptor = NULL;
+	descriptor = descriptorLookup[ui.vendor->currentText() + ui.product->currentText()];
+
+	// call dc_descriptor_get_transport to see if the dc_transport_t is DC_TRANSPORT_SERIAL
+	if (dc_descriptor_get_transport(descriptor) == DC_TRANSPORT_SERIAL) {
+		// if the dc_transport_t is DC_TRANSPORT_SERIAL, then enable the device node box.
+		ui.device->setEnabled(true);
+	} else {
+		// otherwise disable the device node box
+		ui.device->setEnabled(false);
+	}
+}
+
 void DownloadFromDCWidget::fill_computer_list()
 {
 	dc_iterator_t *iterator = NULL;
diff --git a/qt-ui/downloadfromdivecomputer.h b/qt-ui/downloadfromdivecomputer.h
index 943a1aa43..8f1f6aa2b 100644
--- a/qt-ui/downloadfromdivecomputer.h
+++ b/qt-ui/downloadfromdivecomputer.h
@@ -40,6 +40,7 @@ public slots:
 	void on_ok_clicked();
 	void on_cancel_clicked();
 	void on_vendor_currentIndexChanged(const QString& vendor);
+	void on_product_currentIndexChanged();
 
 	void onDownloadThreadFinished();
 	void updateProgressBar();