From 5ceddcfa92eb381704431b1223aee82fb4d44d64 Mon Sep 17 00:00:00 2001
From: "Charles J. Cliffe" <cj@cubicproductions.com>
Date: Sun, 16 Aug 2015 22:31:14 -0400
Subject: [PATCH] Activate demodulator from session if there's only one

---
 src/AppFrame.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/AppFrame.cpp b/src/AppFrame.cpp
index df7e79f..4ceeb81 100644
--- a/src/AppFrame.cpp
+++ b/src/AppFrame.cpp
@@ -843,6 +843,9 @@ bool AppFrame::loadSession(std::string fileName) {
 
         DataNode *demodulators = l.rootNode()->getNext("demodulators");
 
+        int numDemodulators = 0;
+        DemodulatorInstance *loadedDemod = NULL;
+        
         while (demodulators->hasAnother("demodulator")) {
             DataNode *demod = demodulators->getNext("demodulator");
 
@@ -860,6 +863,8 @@ bool AppFrame::loadSession(std::string fileName) {
             float gain = demod->hasAnother("gain") ? (float) *demod->getNext("gain") : 1.0;
 
             DemodulatorInstance *newDemod = wxGetApp().getDemodMgr().newThread();
+            loadedDemod = newDemod;
+            numDemodulators++;
             newDemod->setDemodulatorType(type);
             newDemod->setBandwidth(bandwidth);
             newDemod->setFrequency(freq);
@@ -897,6 +902,13 @@ bool AppFrame::loadSession(std::string fileName) {
             std::cout << "\t\tStereo: " << (stereo ? "true" : "false") << std::endl;
             std::cout << "\t\tOutput Device: " << output_device << std::endl;
         }
+        
+        if ((numDemodulators == 1) && loadedDemod) {
+            loadedDemod->setActive(true);
+            loadedDemod->setFollow(true);
+            loadedDemod->setTracking(true);
+            wxGetApp().getDemodMgr().setActiveDemodulator(loadedDemod);
+        }
     } catch (DataInvalidChildException &e) {
         std::cout << e.what() << std::endl;
         return false;