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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 EQUALIZER_UI_HPP
#define EQUALIZER_UI_HPP
#include <unordered_map>
#include "plugin_ui_base.hpp"
enum FilterType : const unsigned int {
PEAKING = 1U,
LOW_PASS = 1U << 1U,
LOW_PASS_Q = 1U << 2U,
HIGH_PASS = 1U << 3U,
HIGH_PASS_Q = 1U << 4U,
BAND_PASS = 1U << 5U,
LOW_SHELF = 1U << 6U,
LOW_SHELF_xdB = 1U << 7U,
HIGH_SHELF = 1U << 8U,
HIGH_SHELF_xdB = 1U << 9U,
NOTCH = 1U << 10U,
ALL_PASS = 1U << 11U
};
struct ImportedBand {
unsigned int type;
float freq;
float gain;
float quality_factor;
float slope_dB;
};
class EqualizerUi : public Gtk::Grid, public PluginUiBase {
public:
EqualizerUi(BaseObjectType* cobject,
const Glib::RefPtr<Gtk::Builder>& builder,
const std::string& schema,
const std::string& schema_path,
const std::string& schema_channel,
const std::string& schema_channel_left_path,
const std::string& schema_channel_right_path);
EqualizerUi(const EqualizerUi&) = delete;
auto operator=(const EqualizerUi&) -> EqualizerUi& = delete;
EqualizerUi(const EqualizerUi&&) = delete;
auto operator=(const EqualizerUi &&) -> EqualizerUi& = delete;
~EqualizerUi() override;
void reset() override;
private:
int max_bands = 30;
Glib::RefPtr<Gio::Settings> settings_left, settings_right;
Glib::RefPtr<Gtk::Adjustment> nbands, input_gain, output_gain;
Gtk::Grid *bands_grid_left = nullptr, *bands_grid_right = nullptr;
Gtk::Button *flat_response = nullptr, *calculate_freqs = nullptr, *import_apo = nullptr;
Gtk::ListBox* presets_listbox = nullptr;
Gtk::Switch* split_channels = nullptr;
Gtk::Stack* stack = nullptr;
Gtk::StackSwitcher* stack_switcher = nullptr;
Gtk::ComboBoxText* mode = nullptr;
std::vector<sigc::connection> connections_bands;
std::string presets_path = "/com/github/wwmm/pulseeffects/presets/";
void load_preset(const std::string& file_name);
void on_nbands_changed();
void build_bands(Gtk::Grid* bands_grid, const Glib::RefPtr<Gio::Settings>& cfg, const int& nbands,
const bool& split_mode);
void on_flat_response();
void on_calculate_frequencies();
static auto on_listbox_sort(Gtk::ListBoxRow* row1, Gtk::ListBoxRow* row2) -> int;
void populate_presets_listbox();
void on_import_apo_preset_clicked();
auto parse_apo_filter(const std::string& line, struct ImportedBand& filter) -> bool;
void import_apo_preset(const std::string& file_path);
std::unordered_map<std::string, FilterType> const FilterTypeMap = {
{"PK", FilterType::PEAKING}, {"LP", FilterType::LOW_PASS}, {"LPQ", FilterType::LOW_PASS_Q},
{"HP", FilterType::HIGH_PASS}, {"HPQ", FilterType::HIGH_PASS_Q}, {"BP", FilterType::BAND_PASS},
{"LS", FilterType::LOW_SHELF}, {"LSC", FilterType::LOW_SHELF_xdB}, {"HS", FilterType::HIGH_SHELF},
{"HSC", FilterType::HIGH_SHELF_xdB}, {"NO", FilterType::NOTCH}, {"AP", FilterType::ALL_PASS}};
};
#endif
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