chord.h

/*
 * Copyright © 2016-2024 Synthstrom Audible Limited
 *
 * This file is part of The Synthstrom Audible Deluge Firmware.
 *
 * The Synthstrom Audible Deluge Firmware 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.
 *
 * This program 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 this program.
 * If not, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "gui/ui/keyboard/column_controls/control_column.h"
#include "util/lookuptables/lookuptables.h"
 
namespace deluge::gui::ui::keyboard::controls {
 
enum ChordModeChord {
    NO_CHORD = 0,
    FIFTH,
    SUS2,
    MINOR,
    MAJOR,
    SUS4,
    MINOR7,
    DOMINANT7,
    MAJOR7,
    CHORD_MODE_CHORD_MAX, /* should be 9, 8 chord pads plus NO_CHORD */
};
 
class ChordColumn : public ControlColumn {
public:
    ChordColumn() = default;
 
    void renderColumn(RGB image[][kDisplayWidth + kSideBarWidth], int32_t column, KeyboardLayout* layout) override;
    bool handleVerticalEncoder(int8_t pad, int32_t offset) override;
    void handleLeavingColumn(ModelStackWithTimelineCounter* modelStackWithTimelineCounter,
                             KeyboardLayout* layout) override;
    void handlePad(ModelStackWithTimelineCounter* modelStackWithTimelineCounter, PressedPad pad,
                   KeyboardLayout* layout) override;
 
    uint8_t chordSemitoneOffsets[MAX_CHORD_NOTES] = {0};
 
private:
    ChordModeChord activeChord = NO_CHORD;
    ChordModeChord defaultChord = NO_CHORD;
 
    void setActiveChord(ChordModeChord chord);
};
 
} // namespace deluge::gui::ui::keyboard::controls