Cleaned up UI code

core/src/gui/main_window.h

@@ -1,10 +1,58 @@
 #pragma once
-#include "imgui.h"
+#include <imgui/imgui.h>
+#include <fftw3.h>
+#include <dsp/types.h>
+#include <dsp/stream.h>
+#include <signal_path/vfo_manager.h>
+#include <string>
+#include <utils/event.h>
+#include <mutex>
+#include <gui/tuner.h>
 
 #define WINDOW_FLAGS    ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoBringToFrontOnFocus | ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoBackground
 
-void windowInit();
-void drawWindow();
-void setViewBandwidthSlider(float bandwidth);
-bool sdrIsRunning();
-void setFFTSize(int size);
+class MainWindow {
+public:
+    void init();
+    void draw();
+    void setViewBandwidthSlider(float bandwidth);
+    bool sdrIsRunning();
+    void setFFTSize(int size);
+
+    // TODO: Replace with it's own class 
+    void setVFO(double freq);
+
+private:
+    static void fftHandler(dsp::complex_t* samples, int count, void* ctx);
+    static void vfoAddedHandler(VFOManager::VFO* vfo, void* ctx);
+
+    // FFT Variables
+    int fftSize = 8192 * 8;
+    std::mutex fft_mtx;
+    fftwf_complex *fft_in, *fft_out;
+    fftwf_plan fftwPlan;
+    float* tempFFT;
+    float* FFTdata;
+    
+    // GUI Variables
+    bool firstMenuRender = true;
+    bool startedWithMenuClosed = false;
+    float fftMin = -70.0;
+    float fftMax = 0.0;
+    float bw = 8000000;
+    bool playing = false;
+    bool showCredits = false;
+    std::string audioStreamName = "";
+    std::string sourceName = "";
+    int menuWidth = 300;
+    bool grabbingMenu = false;
+    int newWidth = 300;
+    int fftHeight = 300;
+    bool showMenu = true;
+    int tuningMode = tuner::TUNER_MODE_NORMAL;
+    dsp::stream<dsp::complex_t> dummyStream;
+    bool demoWindow = false;
+
+    EventHandler<VFOManager::VFO*> vfoCreatedHandler;
+
+};