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#ifndef WXMAIN_HPP_
#define WXMAIN_HPP_
#include "stmdsp.hpp"
#include <future>
#include <thread>
#include <wx/button.h>
#include <wx/combobox.h>
#include <wx/dcclient.h>
#include <wx/frame.h>
#include <wx/stattext.h>
#include <wx/timer.h>
class MainFrame : public wxFrame
{
enum Id {
Welcome = 1,
Single,
SelectDevice,
RenderTimer
};
bool m_is_rendering = false;
wxTimer *m_render_timer = nullptr;
wxComboBox *m_device_combo = nullptr;
const wxRect m_clipping_region = {20, 100, 600, 360};
stmdsp::device *m_device = nullptr;
std::future<std::vector<stmdsp::adcsample_t>> m_device_samples_future;
std::vector<stmdsp::adcsample_t> m_device_samples;
public:
MainFrame() : wxFrame(nullptr, -1, "Hello world", wxPoint(50, 50), wxSize(640, 480))
{
new wxStaticText(this, Id::Welcome, "Welcome to the GUI.", wxPoint(20, 20));
new wxButton(this, Id::Single, "Single", wxPoint(20, 60));
m_device_combo = new wxComboBox(this, Id::SelectDevice, "", wxPoint(470, 20), wxSize(150, 30));
m_device_combo->SetEditable(false);
stmdsp::scanner scanner;
for (auto& dev : scanner.scan())
m_device_combo->Append(dev);
if (m_device_combo->GetCount() > 0)
m_device_combo->SetSelection(0);
m_render_timer = new wxTimer(this, Id::RenderTimer);
Bind(wxEVT_BUTTON, &MainFrame::onSinglePressed, this, Id::Single);
Bind(wxEVT_PAINT, &MainFrame::onPaint, this, wxID_ANY);
Bind(wxEVT_TIMER, &MainFrame::onRenderTimer, this, Id::RenderTimer);
}
void onPaint([[maybe_unused]] wxPaintEvent& pe) {
auto *dc = new wxClientDC(this);
dc->SetClippingRegion(m_clipping_region);
dc->SetBrush(*wxBLACK_BRUSH);
dc->SetPen(*wxBLACK_PEN);
dc->DrawRectangle(m_clipping_region);
if (m_device_samples.size() > 0) {
dc->SetPen(*wxRED_PEN);
auto points = new wxPoint[m_device_samples.size()];
const float spacing = static_cast<float>(m_clipping_region.GetWidth()) / m_device_samples.size();
float x = 0;
for (auto ptr = points; auto sample : m_device_samples) {
*ptr++ = wxPoint {
static_cast<int>(x),
m_clipping_region.GetHeight() - sample * m_clipping_region.GetHeight() / 4096
};
x += spacing;
}
dc->DrawLines(m_device_samples.size(), points, m_clipping_region.GetX(), m_clipping_region.GetY());
delete[] points;
}
}
void doSingle() {
m_device_samples_future = std::async(std::launch::async,
[this]() { return m_device->continuous_read(); });
}
void onSinglePressed(wxCommandEvent& ce) {
auto button = dynamic_cast<wxButton *>(ce.GetEventObject());
if (!m_render_timer->IsRunning()) {
m_device = new stmdsp::device(m_device_combo->GetStringSelection().ToStdString());
if (m_device->connected()) {
m_device->continuous_start();
m_device_samples_future = std::async(std::launch::async,
[]() { return decltype(m_device_samples)(); });
m_render_timer->Start(1000);
button->SetLabel("Stop");
} else {
delete m_device;
m_device = nullptr;
}
} else {
m_render_timer->Stop();
m_device->continuous_stop();
button->SetLabel("Single");
delete m_device;
m_device = nullptr;
}
}
void onRenderTimer([[maybe_unused]] wxTimerEvent& te) {
updateDrawing();
}
void updateDrawing() {
if (m_device_samples = m_device_samples_future.get(); m_device_samples.size() > 0)
this->RefreshRect(m_clipping_region);
doSingle();
}
};
#endif // WXMAIN_HPP_
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