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SDRPlusPlus/core/src/gui/main_window.cpp

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#include <gui/main_window.h>
#include <gui/gui.h>
#include "imgui.h"
#include "imgui_impl_glfw.h"
#include "imgui_impl_opengl3.h"
#include <stdio.h>
#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include <imgui_plot.h>
#include <thread>
#include <complex>
#include <gui/widgets/waterfall.h>
#include <gui/widgets/frequency_select.h>
#include <fftw3.h>
#include <signal_path/dsp.h>
#include <gui/icons.h>
#include <gui/widgets/bandplan.h>
#include <watcher.h>
#include <signal_path/vfo_manager.h>
#include <gui/style.h>
#include <config.h>
#include <signal_path/signal_path.h>
#include <core.h>
#include <gui/menus/source.h>
#include <gui/menus/display.h>
#include <gui/menus/bandplan.h>
#include <gui/menus/sink.h>
#include <gui/menus/scripting.h>
#include <gui/dialogs/credits.h>
#include <filesystem>
#include <signal_path/source.h>
#include <gui/dialogs/loading_screen.h>
#include <options.h>
#include <gui/colormaps.h>
// const int FFTSizes[] = {
// 65536,
// 32768,
// 16384,
// 8192,
// 4096,
// 2048
// };
// const char* FFTSizesStr[] = {
// "65536",
// "32768",
// "16384",
// "8192",
// "4096",
// "2048"
// };
// int fftSizeId = 0;
int fftSize = 8192 * 8;
std::thread worker;
std::mutex fft_mtx;
fftwf_complex *fft_in, *fft_out;
fftwf_plan p;
float* tempFFT;
float* FFTdata;
char buf[1024];
void fftHandler(dsp::complex_t* samples, int count, void* ctx) {
memcpy(fft_in, samples, count * sizeof(dsp::complex_t));
fftwf_execute(p);
int half = count / 2;
volk_32fc_s32f_power_spectrum_32f(tempFFT, (lv_32fc_t*)fft_out, count, count);
volk_32f_s32f_multiply_32f(FFTdata, tempFFT, 0.5f, count);
memcpy(tempFFT, &FFTdata[half], half * sizeof(float));
memmove(&FFTdata[half], FFTdata, half * sizeof(float));
memcpy(FFTdata, tempFFT, half * sizeof(float));
float* fftBuf = gui::waterfall.getFFTBuffer();
if (fftBuf == NULL) {
gui::waterfall.pushFFT();
return;
}
float last = FFTdata[0];
for (int i = 0; i < count; i++) {
last = (FFTdata[i] * 0.1f) + (last * 0.9f);
fftBuf[i] = last;
}
gui::waterfall.pushFFT();
}
watcher<uint64_t> freq((uint64_t)90500000);
watcher<double> vfoFreq(92000000.0);
float fftMin = -70.0;
float fftMax = 0.0;
watcher<double> offset(0.0, true);
float bw = 8000000;
bool playing = false;
watcher<bool> dcbias(false, 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;
bool centerTuning = false;
dsp::stream<dsp::complex_t> dummyStream;
bool demoWindow = false;
void windowInit() {
LoadingScreen::show("Initializing UI");
gui::waterfall.init();
gui::waterfall.setRawFFTSize(fftSize);
tempFFT = new float[fftSize];
FFTdata = new float[fftSize];
credits::init();
core::configManager.aquire();
gui::menu.order = core::configManager.conf["menuOrder"].get<std::vector<std::string>>();
std::string modulesDir = core::configManager.conf["modulesDirectory"];
std::string resourcesDir = core::configManager.conf["resourcesDirectory"];
core::configManager.release();
gui::menu.registerEntry("Source", sourecmenu::draw, NULL);
gui::menu.registerEntry("Sinks", sinkmenu::draw, NULL);
gui::menu.registerEntry("Scripting", scriptingmenu::draw, NULL);
gui::menu.registerEntry("Band Plan", bandplanmenu::draw, NULL);
gui::menu.registerEntry("Display", displaymenu::draw, NULL);
gui::freqSelect.init();
// Set default values for waterfall in case no source init's it
gui::waterfall.setBandwidth(8000000);
gui::waterfall.setViewBandwidth(8000000);
fft_in = (fftwf_complex*) fftwf_malloc(sizeof(fftwf_complex) * fftSize);
fft_out = (fftwf_complex*) fftwf_malloc(sizeof(fftwf_complex) * fftSize);
p = fftwf_plan_dft_1d(fftSize, fft_in, fft_out, FFTW_FORWARD, FFTW_ESTIMATE);
sigpath::signalPath.init(8000000, 20, fftSize, &dummyStream, (dsp::complex_t*)fft_in, fftHandler);
sigpath::signalPath.start();
spdlog::info("Loading modules");
// Load modules from /module directory
if (std::filesystem::is_directory(modulesDir)) {
for (const auto & file : std::filesystem::directory_iterator(modulesDir)) {
std::string path = file.path().generic_string();
if (file.path().extension().generic_string() != SDRPP_MOD_EXTENTSION) {
continue;
}
if (!file.is_regular_file()) { continue; }
spdlog::info("Loading {0}", path);
LoadingScreen::show("Loading " + path);
core::moduleManager.loadModule(path);
}
}
else {
spdlog::warn("Module directory {0} does not exist, not loading modules from directory", modulesDir);
}
// Read module config
core::configManager.aquire();
std::vector<std::string> modules = core::configManager.conf["modules"];
std::map<std::string, std::string> modList = core::configManager.conf["moduleInstances"];
core::configManager.release();
// Load additional modules specified through config
for (auto const& path : modules) {
spdlog::info("Loading {0}", path);
LoadingScreen::show("Loading " + path);
core::moduleManager.loadModule(path);
}
// Create module instances
for (auto const& [name, module] : modList) {
spdlog::info("Initializing {0} ({1})", name, module);
LoadingScreen::show("Initializing " + name + " (" + module + ")");
core::moduleManager.createInstance(name, module);
}
// Load color maps
LoadingScreen::show("Loading color maps");
spdlog::info("Loading color maps");
if (std::filesystem::is_directory(resourcesDir + "/colormaps")) {
for (const auto & file : std::filesystem::directory_iterator(resourcesDir + "/colormaps")) {
std::string path = file.path().generic_string();
LoadingScreen::show("Loading " + path);
spdlog::info("Loading {0}", path);
if (file.path().extension().generic_string() != ".json") {
continue;
}
if (!file.is_regular_file()) { continue; }
colormaps::loadMap(path);
}
}
else {
spdlog::warn("Color map directory {0} does not exist, not loading modules from directory", modulesDir);
}
gui::waterfall.updatePalletteFromArray(colormaps::maps["Turbo"].map, colormaps::maps["Turbo"].entryCount);
sourecmenu::init();
sinkmenu::init();
scriptingmenu::init();
bandplanmenu::init();
displaymenu::init();
// TODO for 0.2.5
// Add "select file" option for the file source
// Have a good directory system on both linux and windows
// Switch to double buffering (should fix occassional underruns)
// Fix gain not updated on startup, soapysdr
// TODO for 0.2.6
// Add a module add/remove/change order menu
// Update UI settings
LoadingScreen::show("Loading configuration");
core::configManager.aquire();
fftMin = core::configManager.conf["min"];
fftMax = core::configManager.conf["max"];
gui::waterfall.setFFTMin(fftMin);
gui::waterfall.setWaterfallMin(fftMin);
gui::waterfall.setFFTMax(fftMax);
gui::waterfall.setWaterfallMax(fftMax);
double frequency = core::configManager.conf["frequency"];
gui::freqSelect.setFrequency(frequency);
gui::freqSelect.frequencyChanged = false;
sigpath::sourceManager.tune(frequency);
gui::waterfall.setCenterFrequency(frequency);
bw = gui::waterfall.getBandwidth();
gui::waterfall.vfoFreqChanged = false;
gui::waterfall.centerFreqMoved = false;
gui::waterfall.selectFirstVFO();
menuWidth = core::configManager.conf["menuWidth"];
newWidth = menuWidth;
fftHeight = core::configManager.conf["fftHeight"];
gui::waterfall.setFFTHeight(fftHeight);
centerTuning = core::configManager.conf["centerTuning"];
core::configManager.release();
}
void setVFO(double freq) {
double viewBW = gui::waterfall.getViewBandwidth();
double BW = gui::waterfall.getBandwidth();
if (gui::waterfall.selectedVFO == "") {
gui::waterfall.setViewOffset((BW / 2.0) - (viewBW / 2.0));
gui::waterfall.setCenterFrequency(freq);
sigpath::sourceManager.tune(freq);
return;
}
ImGui::WaterfallVFO* vfo = gui::waterfall.vfos[gui::waterfall.selectedVFO];
double currentOff = vfo->centerOffset;
double currentTune = gui::waterfall.getCenterFrequency() + vfo->generalOffset;
double delta = freq - currentTune;
double newVFO = currentOff + delta;
double vfoBW = vfo->bandwidth;
double vfoBottom = newVFO - (vfoBW / 2.0);
double vfoTop = newVFO + (vfoBW / 2.0);
double view = gui::waterfall.getViewOffset();
double viewBottom = view - (viewBW / 2.0);
double viewTop = view + (viewBW / 2.0);
double wholeFreq = gui::waterfall.getCenterFrequency();
double bottom = -(BW / 2.0);
double top = (BW / 2.0);
if (centerTuning) {
gui::waterfall.setViewOffset((BW / 2.0) - (viewBW / 2.0));
gui::waterfall.setCenterFrequency(freq);
gui::waterfall.setViewOffset(0);
sigpath::vfoManager.setOffset(gui::waterfall.selectedVFO, 0);
sigpath::sourceManager.tune(freq);
return;
}
// VFO still fints in the view
if (vfoBottom > viewBottom && vfoTop < viewTop) {
sigpath::vfoManager.setCenterOffset(gui::waterfall.selectedVFO, newVFO);
return;
}
// VFO too low for current SDR tuning
if (vfoBottom < bottom) {
gui::waterfall.setViewOffset((BW / 2.0) - (viewBW / 2.0));
double newVFOOffset = (BW / 2.0) - (vfoBW / 2.0) - (viewBW / 10.0);
sigpath::vfoManager.setCenterOffset(gui::waterfall.selectedVFO, newVFOOffset);
gui::waterfall.setCenterFrequency(freq - newVFOOffset);
sigpath::sourceManager.tune(freq - newVFOOffset);
return;
}
// VFO too high for current SDR tuning
if (vfoTop > top) {
gui::waterfall.setViewOffset((viewBW / 2.0) - (BW / 2.0));
double newVFOOffset = (vfoBW / 2.0) - (BW / 2.0) + (viewBW / 10.0);
sigpath::vfoManager.setCenterOffset(gui::waterfall.selectedVFO, newVFOOffset);
gui::waterfall.setCenterFrequency(freq - newVFOOffset);
sigpath::sourceManager.tune(freq - newVFOOffset);
return;
}
// VFO is still without the SDR's bandwidth
if (delta < 0) {
double newViewOff = vfoTop - (viewBW / 2.0) + (viewBW / 10.0);
double newViewBottom = newViewOff - (viewBW / 2.0);
double newViewTop = newViewOff + (viewBW / 2.0);
if (newViewBottom > bottom) {
gui::waterfall.setViewOffset(newViewOff);
sigpath::vfoManager.setCenterOffset(gui::waterfall.selectedVFO, newVFO);
return;
}
gui::waterfall.setViewOffset((BW / 2.0) - (viewBW / 2.0));
double newVFOOffset = (BW / 2.0) - (vfoBW / 2.0) - (viewBW / 10.0);
sigpath::vfoManager.setCenterOffset(gui::waterfall.selectedVFO, newVFOOffset);
gui::waterfall.setCenterFrequency(freq - newVFOOffset);
sigpath::sourceManager.tune(freq - newVFOOffset);
}
else {
double newViewOff = vfoBottom + (viewBW / 2.0) - (viewBW / 10.0);
double newViewBottom = newViewOff - (viewBW / 2.0);
double newViewTop = newViewOff + (viewBW / 2.0);
if (newViewTop < top) {
gui::waterfall.setViewOffset(newViewOff);
sigpath::vfoManager.setCenterOffset(gui::waterfall.selectedVFO, newVFO);
return;
}
gui::waterfall.setViewOffset((viewBW / 2.0) - (BW / 2.0));
double newVFOOffset = (vfoBW / 2.0) - (BW / 2.0) + (viewBW / 10.0);
sigpath::vfoManager.setCenterOffset(gui::waterfall.selectedVFO, newVFOOffset);
gui::waterfall.setCenterFrequency(freq - newVFOOffset);
sigpath::sourceManager.tune(freq - newVFOOffset);
}
}
void drawWindow() {
ImGui::Begin("Main", NULL, WINDOW_FLAGS);
ImGui::WaterfallVFO* vfo = NULL;
if (gui::waterfall.selectedVFO != "") {
vfo = gui::waterfall.vfos[gui::waterfall.selectedVFO];
}
if (vfo != NULL) {
if (vfo->centerOffsetChanged) {
if (centerTuning) {
setVFO(gui::waterfall.getCenterFrequency() + vfo->generalOffset);
}
gui::freqSelect.setFrequency(gui::waterfall.getCenterFrequency() + vfo->generalOffset);
gui::freqSelect.frequencyChanged = false;
core::configManager.aquire();
core::configManager.conf["frequency"] = gui::freqSelect.frequency;
core::configManager.release(true);
}
}
sigpath::vfoManager.updateFromWaterfall(&gui::waterfall);
if (gui::waterfall.selectedVFOChanged && vfo != NULL) {
gui::waterfall.selectedVFOChanged = false;
gui::freqSelect.setFrequency(vfo->generalOffset + gui::waterfall.getCenterFrequency());
gui::freqSelect.frequencyChanged = false;
core::configManager.aquire();
core::configManager.conf["frequency"] = gui::freqSelect.frequency;
core::configManager.release(true);
}
if (gui::freqSelect.frequencyChanged) {
gui::freqSelect.frequencyChanged = false;
setVFO(gui::freqSelect.frequency);
if (vfo != NULL) {
vfo->centerOffsetChanged = false;
vfo->lowerOffsetChanged = false;
vfo->upperOffsetChanged = false;
}
core::configManager.aquire();
core::configManager.conf["frequency"] = gui::freqSelect.frequency;
core::configManager.release(true);
}
if (gui::waterfall.centerFreqMoved) {
gui::waterfall.centerFreqMoved = false;
sigpath::sourceManager.tune(gui::waterfall.getCenterFrequency());
if (vfo != NULL) {
gui::freqSelect.setFrequency(gui::waterfall.getCenterFrequency() + vfo->generalOffset);
}
else {
gui::freqSelect.setFrequency(gui::waterfall.getCenterFrequency());
}
core::configManager.aquire();
core::configManager.conf["frequency"] = gui::freqSelect.frequency;
core::configManager.release(true);
}
int _fftHeight = gui::waterfall.getFFTHeight();
if (fftHeight != _fftHeight) {
fftHeight = _fftHeight;
core::configManager.aquire();
core::configManager.conf["fftHeight"] = fftHeight;
core::configManager.release(true);
}
ImVec2 vMin = ImGui::GetWindowContentRegionMin();
ImVec2 vMax = ImGui::GetWindowContentRegionMax();
int width = vMax.x - vMin.x;
int height = vMax.y - vMin.y;
// To Bar
ImGui::PushID(ImGui::GetID("sdrpp_menu_btn"));
if (ImGui::ImageButton(icons::MENU, ImVec2(30, 30), ImVec2(0, 0), ImVec2(1, 1), 5)) {
showMenu = !showMenu;
}
ImGui::PopID();
ImGui::SameLine();
if (playing) {
ImGui::PushID(ImGui::GetID("sdrpp_stop_btn"));
if (ImGui::ImageButton(icons::STOP, ImVec2(30, 30), ImVec2(0, 0), ImVec2(1, 1), 5)) {
sigpath::sourceManager.stop();
playing = false;
}
ImGui::PopID();
}
else { // TODO: Might need to check if there even is a device
ImGui::PushID(ImGui::GetID("sdrpp_play_btn"));
if (ImGui::ImageButton(icons::PLAY, ImVec2(30, 30), ImVec2(0, 0), ImVec2(1, 1), 5)) {
sigpath::sourceManager.start();
// TODO: tune in module instead
sigpath::sourceManager.tune(gui::waterfall.getCenterFrequency());
playing = true;
}
ImGui::PopID();
}
ImGui::SameLine();
//ImGui::SetCursorPosY(ImGui::GetCursorPosY() + 8);
sigpath::sinkManager.showVolumeSlider(gui::waterfall.selectedVFO, "##_sdrpp_main_volume_", 248, 30, 5, true);
ImGui::SameLine();
gui::freqSelect.draw();
//ImGui::SameLine();
ImGui::SetCursorPosY(ImGui::GetCursorPosY() - 9);
if (centerTuning) {
ImGui::PushID(ImGui::GetID("sdrpp_ena_st_btn"));
if (ImGui::ImageButton(icons::CENTER_TUNING, ImVec2(30, 30), ImVec2(0, 0), ImVec2(1, 1), 5)) {
centerTuning = false;
core::configManager.aquire();
core::configManager.conf["centerTuning"] = centerTuning;
core::configManager.release(true);
}
ImGui::PopID();
}
else { // TODO: Might need to check if there even is a device
ImGui::PushID(ImGui::GetID("sdrpp_dis_st_btn"));
if (ImGui::ImageButton(icons::NORMAL_TUNING, ImVec2(30, 30), ImVec2(0, 0), ImVec2(1, 1), 5)) {
centerTuning = true;
setVFO(gui::freqSelect.frequency);
core::configManager.aquire();
core::configManager.conf["centerTuning"] = centerTuning;
core::configManager.release(true);
}
ImGui::PopID();
}
ImGui::SameLine();
// Logo button
ImGui::SetCursorPosX(ImGui::GetWindowSize().x - 48);
ImGui::SetCursorPosY(10);
if (ImGui::ImageButton(icons::LOGO, ImVec2(32, 32), ImVec2(0, 0), ImVec2(1, 1), 0)) {
showCredits = true;
}
if (ImGui::IsMouseDown(ImGuiMouseButton_Left)) {
showCredits = false;
}
if (ImGui::IsKeyPressed(GLFW_KEY_ESCAPE)) {
showCredits = false;
}
// Handle menu resize
float curY = ImGui::GetCursorPosY();
ImVec2 winSize = ImGui::GetWindowSize();
ImVec2 mousePos = ImGui::GetMousePos();
bool click = ImGui::IsMouseClicked(ImGuiMouseButton_Left);
bool down = ImGui::IsMouseDown(ImGuiMouseButton_Left);
if (grabbingMenu) {
newWidth = mousePos.x;
newWidth = std::clamp<float>(newWidth, 250, winSize.x - 250);
ImGui::GetForegroundDrawList()->AddLine(ImVec2(newWidth, curY), ImVec2(newWidth, winSize.y - 10), ImGui::GetColorU32(ImGuiCol_SeparatorActive));
}
if (mousePos.x >= newWidth - 2 && mousePos.x <= newWidth + 2 && mousePos.y > curY) {
ImGui::SetMouseCursor(ImGuiMouseCursor_ResizeEW);
if (click) {
grabbingMenu = true;
}
}
else {
ImGui::SetMouseCursor(ImGuiMouseCursor_Arrow);
}
if(!down && grabbingMenu) {
grabbingMenu = false;
menuWidth = newWidth;
core::configManager.aquire();
core::configManager.conf["menuWidth"] = menuWidth;
core::configManager.release(true);
}
// Left Column
if (showMenu) {
ImGui::Columns(3, "WindowColumns", false);
ImGui::SetColumnWidth(0, menuWidth);
ImGui::SetColumnWidth(1, winSize.x - menuWidth - 60);
ImGui::SetColumnWidth(2, 60);
ImGui::BeginChild("Left Column");
float menuColumnWidth = ImGui::GetContentRegionAvailWidth();
gui::menu.draw();
if(ImGui::CollapsingHeader("Debug")) {
ImGui::Text("Frame time: %.3f ms/frame", 1000.0 / ImGui::GetIO().Framerate);
ImGui::Text("Framerate: %.1f FPS", ImGui::GetIO().Framerate);
ImGui::Text("Center Frequency: %.0f Hz", gui::waterfall.getCenterFrequency());
ImGui::Text("Source name: %s", sourceName.c_str());
if (ImGui::Checkbox("Test technique", &dcbias.val)) {
//sigpath::signalPath.setDCBiasCorrection(dcbias.val);
}
ImGui::Checkbox("Show demo window", &demoWindow);
ImGui::Spacing();
}
ImGui::EndChild();
}
else {
// When hiding the menu bar
ImGui::Columns(3, "WindowColumns", false);
ImGui::SetColumnWidth(0, 8);
ImGui::SetColumnWidth(1, winSize.x - 8 - 60);
ImGui::SetColumnWidth(2, 60);
}
// Right Column
ImGui::PushStyleVar(ImGuiStyleVar_ItemSpacing, ImVec2(0, 0));
ImGui::NextColumn();
ImGui::PopStyleVar();
ImGui::BeginChild("Waterfall");
gui::waterfall.draw();
ImGui::EndChild();
ImGui::NextColumn();
ImGui::BeginChild("WaterfallControls");
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - (ImGui::CalcTextSize("Zoom").x / 2.0));
ImGui::Text("Zoom");
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - 10);
if (ImGui::VSliderFloat("##_7_", ImVec2(20.0, 150.0), &bw, gui::waterfall.getBandwidth(), 1000.0, "")) {
gui::waterfall.setViewBandwidth(bw);
if (vfo != NULL) {
gui::waterfall.setViewOffset(vfo->centerOffset); // center vfo on screen
}
}
ImGui::NewLine();
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - (ImGui::CalcTextSize("Max").x / 2.0));
ImGui::Text("Max");
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - 10);
if (ImGui::VSliderFloat("##_8_", ImVec2(20.0, 150.0), &fftMax, 0.0, -100.0, "")) {
fftMax = std::max<float>(fftMax, fftMin + 10);
core::configManager.aquire();
core::configManager.conf["max"] = fftMax;
core::configManager.release(true);
}
ImGui::NewLine();
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - (ImGui::CalcTextSize("Min").x / 2.0));
ImGui::Text("Min");
ImGui::SetCursorPosX((ImGui::GetWindowSize().x / 2.0) - 10);
if (ImGui::VSliderFloat("##_9_", ImVec2(20.0, 150.0), &fftMin, 0.0, -100.0, "")) {
fftMin = std::min<float>(fftMax - 10, fftMin);
core::configManager.aquire();
core::configManager.conf["min"] = fftMin;
core::configManager.release(true);
}
ImGui::EndChild();
gui::waterfall.setFFTMin(fftMin);
gui::waterfall.setFFTMax(fftMax);
gui::waterfall.setWaterfallMin(fftMin);
gui::waterfall.setWaterfallMax(fftMax);
ImGui::End();
if (showCredits) {
credits::show();
}
if (demoWindow) {
ImGui::ShowDemoWindow();
}
}
void setViewBandwidthSlider(float bandwidth) {
bw = bandwidth;
}
bool sdrIsRunning() {
return playing;
}
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