iterance_preset.h

/*
 * Copyright (c) 2024 Sean Ditny / Raúl Muñoz
 *
 * 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 "definitions_cxx.hpp"
#include "gui/menu_item/note/selected_note.h"
#include "gui/menu_item/submenu.h"
#include "gui/views/instrument_clip_view.h"
#include "hid/display/oled.h"
#include "model/note/note.h"
 
extern gui::menu_item::Submenu noteCustomIteranceRootMenu;
 
namespace deluge::gui::menu_item::note {
 
using namespace deluge::hid::display;
 
class IterancePreset final : public SelectedNote {
public:
    using SelectedNote::SelectedNote;
 
    [[nodiscard]] int32_t getMaxValue() const override { return kNumIterancePresets + 1; }
    [[nodiscard]] int32_t getMinValue() const override { return 0; }

    void beginSession(MenuItem* navigatedBackwardFrom = nullptr) final override { readValueAgain(); }
 
    void readCurrentValue() override {
        Note* leftMostNote = instrumentClipView.getLeftMostNotePressed();
 
        if (leftMostNote) {
            // Convert value to preset to choose from, if preset not found, then maybe it is CUSTOM
            int32_t preset = leftMostNote->getIterance().toPresetIndex();
            this->setValue(preset);
        }
    }
 
    void selectEncoderAction(int32_t offset) override {
        instrumentClipView.adjustNoteIteranceWithOffset(offset);
        readValueAgain();
    }
 
    MenuItem* selectButtonPress() override {
        int32_t iterancePreset = this->getValue();
        if (iterancePreset == kCustomIterancePreset) {
            // If the "CUSTOM" item is in focus, clicking the Select encoder will
            // enter the editor for the custom iterance
            return &noteCustomIteranceRootMenu;
        }
        return nullptr;
    }
 
    void drawPixelsForOled() override {
        const std::string value = getIteranceDisplayValue("%d of %d");
        OLED::main.drawStringCentred(value.data(), 18 + OLED_MAIN_TOPMOST_PIXEL, kTextHugeSpacingX, kTextHugeSizeY);
    }
 
    void renderInHorizontalMenu(const SlotPosition& slot) override {
        const std::string value = getIteranceDisplayValue("%d:%d");
        OLED::main.drawStringCentered(value.data(), slot.start_x, slot.start_y + kHorizontalMenuSlotYOffset,
                                      kTextSpacingX, kTextSpacingY, slot.width);
    }
 
    void drawValue() override {
        const std::string value = getIteranceDisplayValue("%dof%d");
        display->setText(value);
    }
 
    void getNotificationValue(StringBuf& valueBuf) override { valueBuf.append(getIteranceDisplayValue("%d of %d")); }
 
    void writeCurrentValue() override { ; }
 
private:
    std::string getIteranceDisplayValue(const std::string& format) {
        char buffer[20];
 
        int32_t iterancePreset = this->getValue();
 
        if (iterancePreset == kDefaultIterancePreset) {
            strcpy(buffer, "OFF");
        }
        else if (iterancePreset == kCustomIterancePreset) {
            strcpy(buffer, "CUSTOM");
        }
        else if (iterancePreset == kFirstIterancePreset) {
            strcpy(buffer, "1 ST");
        }
        else if (iterancePreset == kLastIterancePreset) {
            strcpy(buffer, "LAST");
        }
        else {
            Iterance iterance = iterancePresets[iterancePreset - 1];
            int32_t i = iterance.divisor;
            for (; i >= 0; i--) {
                // try to find which iteration step index is active
                if (iterance.iteranceStep[i]) {
                    break;
                }
            }
            sprintf(buffer, format.data(), i + 1, iterance.divisor);
        }
 
        return std::string(buffer);
    }
};
 
} // namespace deluge::gui::menu_item::note