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/*
* Copyright © 2017-2020 Wellington Wallace
*
* This file is part of PulseEffects.
*
* PulseEffects is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PulseEffects is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with PulseEffects. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef SPECTRUM_UI_HPP
#define SPECTRUM_UI_HPP
#include <giomm/settings.h>
#include <gtkmm/box.h>
#include <gtkmm/builder.h>
#include <gtkmm/drawingarea.h>
#include <gtkmm/grid.h>
class SpectrumUi : public Gtk::Grid {
public:
SpectrumUi(BaseObjectType* cobject, const Glib::RefPtr<Gtk::Builder>& builder);
SpectrumUi(const SpectrumUi&) = delete;
auto operator=(const SpectrumUi&) -> SpectrumUi& = delete;
SpectrumUi(const SpectrumUi&&) = delete;
auto operator=(const SpectrumUi &&) -> SpectrumUi& = delete;
~SpectrumUi() override;
static auto add_to_box(Gtk::Box* box) -> SpectrumUi*;
void on_new_spectrum(const std::vector<float>& magnitudes);
void clear_spectrum();
private:
std::string log_tag = "spectrum_ui: ";
Glib::RefPtr<Gio::Settings> settings;
std::locale global_locale;
Gtk::DrawingArea* spectrum = nullptr;
Gdk::RGBA color, color_frequency_axis_labels, gradient_color;
std::vector<sigc::connection> connections;
bool mouse_inside = false;
int axis_height = 0;
double mouse_intensity = 0.0, mouse_freq = 0.0;
std::vector<float> spectrum_mag;
auto on_spectrum_draw(const Cairo::RefPtr<Cairo::Context>& ctx) -> bool;
auto on_spectrum_enter_notify_event(GdkEventCrossing* event) -> bool;
auto on_spectrum_leave_notify_event(GdkEventCrossing* event) -> bool;
auto on_spectrum_motion_notify_event(GdkEventMotion* event) -> bool;
void init_color();
void init_frequency_labels_color();
void init_gradient_color();
auto draw_frequency_axis(const Cairo::RefPtr<Cairo::Context>& ctx, const int& width, const int& height) -> int;
};
#endif
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