From 8ec6b75e54c03d5f104dd391d9471c1a7e49264f Mon Sep 17 00:00:00 2001
From: "Charles J. Cliffe" <cj@cubicproductions.com>
Date: Fri, 9 Jan 2015 17:17:56 -0500
Subject: [PATCH] Session save handler

---
 src/AppFrame.cpp   | 33 ++++++++++++++++++++++++++++++++-
 src/AppFrame.h     |  5 +++++
 src/CubicSDRDefs.h |  2 ++
 3 files changed, 39 insertions(+), 1 deletion(-)

diff --git a/src/AppFrame.cpp b/src/AppFrame.cpp
index d7bf65d..1dc2877 100644
--- a/src/AppFrame.cpp
+++ b/src/AppFrame.cpp
@@ -17,6 +17,7 @@
 #include "DemodulatorMgr.h"
 #include "AudioThread.h"
 #include "CubicSDR.h"
+#include "DataTree.h"
 
 #include <thread>
 
@@ -32,7 +33,7 @@ EVT_IDLE(AppFrame::OnIdle)
 wxEND_EVENT_TABLE()
 
 AppFrame::AppFrame() :
-        wxFrame(NULL, wxID_ANY, wxT("CubicSDR v0.1a by Charles J. Cliffe (@ccliffe)")), activeDemodulator(NULL) {
+        wxFrame(NULL, wxID_ANY, wxT("CubicSDR " CUBICSDR_VERSION " by Charles J. Cliffe (@ccliffe)")), activeDemodulator(NULL) {
 
     wxBoxSizer *vbox = new wxBoxSizer(wxVERTICAL);
     wxBoxSizer *demodOpts = new wxBoxSizer(wxVERTICAL);
@@ -282,3 +283,33 @@ void AppFrame::OnIdle(wxIdleEvent& event) {
         event.Skip();
     }
 }
+
+void AppFrame::saveSession(std::string fileName) {
+    DataTree s("cubicsdr_session");
+    DataNode &header = s.rootNode().newChild("header");
+    header.newChild("version") = std::string(CUBICSDR_VERSION);
+    header.newChild("center_freq") = wxGetApp().getFrequency();
+    header.newChild("offset") = wxGetApp().getOffset();
+
+    DataNode &demods = s.rootNode().newChild("demodulators");
+
+    std::vector<DemodulatorInstance *> &instances = wxGetApp().getDemodMgr().getDemodulators();
+    std::vector<DemodulatorInstance *>::iterator instance_i;
+    for (instance_i = instances.begin(); instance_i != instances.end(); instance_i++) {
+        DataNode &demod = demods.newChild("demodulator");
+        demod.newChild("bandwidth") = (long)(*instance_i)->getBandwidth();
+        demod.newChild("frequency") = (long long)(*instance_i)->getFrequency();
+        demod.newChild("type") = (int)(*instance_i)->getDemodulatorType();
+        if ((*instance_i)->isSquelchEnabled()) {
+            demod.newChild("squelch") = (*instance_i)->getSquelchLevel();
+            demod.newChild("squelch_enabled") = (char)1;
+        }
+        demod.newChild("stereo") = (char)(*instance_i)->isStereo();
+        demod.newChild("output_device") = outputDevices[(*instance_i)->getOutputDevice()].name;
+    }
+
+    s.SaveToFileXML(fileName);
+}
+
+bool AppFrame::loadSession(std::string fileName) {
+}
diff --git a/src/AppFrame.h b/src/AppFrame.h
index 4df734d..ca0df5b 100644
--- a/src/AppFrame.h
+++ b/src/AppFrame.h
@@ -23,6 +23,9 @@ public:
     void OnThread(wxCommandEvent& event);
     void OnEventInput(wxThreadEvent& event);
 
+    void saveSession(std::string fileName);
+    bool loadSession(std::string fileName);
+
 private:
     void OnMenu(wxCommandEvent& event);
     void OnClose(wxCommandEvent& event);
@@ -46,5 +49,7 @@ private:
     std::map<int,RtAudio::DeviceInfo> outputDevices;
     std::map<int,wxMenuItem *> outputDeviceMenuItems;
 
+    std::string currentSessionFile;
+
     wxDECLARE_EVENT_TABLE();
 };
diff --git a/src/CubicSDRDefs.h b/src/CubicSDRDefs.h
index 1a8fa98..1c0493b 100644
--- a/src/CubicSDRDefs.h
+++ b/src/CubicSDRDefs.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#define CUBICSDR_VERSION "v0.01a"
+
 #ifdef __APPLE__
 #define BUF_SIZE (16384*2)
 #define SRATE 2000000