value.h

/*
 * Copyright © 2017-2023 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/ui.h"
#include "hid/display/display.h"
#include "menu_item.h"
#include "util/misc.h"
 
#include <hid/buttons.h>
 
namespace deluge::gui::menu_item {
template <typename T = int32_t>
class Value : public MenuItem {
public:
    using MenuItem::MenuItem;
    void beginSession(MenuItem* navigatedBackwardFrom) override;
    void selectEncoderAction(int32_t offset) override;
    void readValueAgain() override;
    bool selectEncoderActionEditsInstrument() final { return true; }
 
    void setValue(T value) { value_ = value; }
 
    template <util::enumeration E>
    void setValue(E value) {
        value_ = util::to_underlying(value);
    }
 
    T getValue() { return value_; }
 
    template <util::enumeration E>
    E getValue() {
        return static_cast<E>(value_);
    }
 
protected:
    virtual void writeCurrentValue() {}
 
    // 7SEG ONLY
    virtual void drawValue() = 0;
 
private:
    T value_;
};
 
template <typename T>
void Value<T>::beginSession(MenuItem* navigatedBackwardFrom) {
    if (display->haveOLED()) {
        readCurrentValue();
    }
    else {
        readValueAgain();
    }
}
 
template <typename T>
void Value<T>::selectEncoderAction(int32_t offset) {
    if (Buttons::isButtonPressed(hid::button::SELECT_ENC)) {
        Buttons::selectButtonPressUsedUp = true;
    }
 
    writeCurrentValue();
 
    // For MenuItems referring to an AutoParam (so UnpatchedParam and PatchedParam), ideally we wouldn't want to render
    // the display here, because that'll happen soon anyway due to a setting of TIMER_DISPLAY_AUTOMATION.
    if (display->haveOLED()) {
        renderUIsForOled();
    }
    else {
        drawValue(); // Probably not necessary either...
    }
}
 
template <typename T>
void Value<T>::readValueAgain() {
    readCurrentValue();
    if (display->haveOLED()) {
        renderUIsForOled();
    }
    else {
        drawValue();
    }
}
 
} // namespace deluge::gui::menu_item