number.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 "value.h"
#include <cstdint>
 
namespace deluge::gui::menu_item {
 
enum NumberStyle { NUMBER, KNOB, VERTICAL_BAR, PERCENT };
 
class Number : public Value<int32_t> {
public:
    using Value::Value;
    void renderInHorizontalMenu(int32_t startX, int32_t width, int32_t startY, int32_t height) override;
    void drawBar(int32_t yTop, int32_t marginL, int32_t marginR = -1);
    void drawKnob(int32_t startX, int32_t startY, int32_t width, int32_t height);
    void drawVerticalBar(int32_t startX, int32_t startY, int32_t slotWidth, int32_t slotHeight);
    void drawPercent(int32_t startX, int32_t startY, int32_t width, int32_t height);
 
protected:
    [[nodiscard]] virtual int32_t getMaxValue() const = 0;
    [[nodiscard]] virtual int32_t getMinValue() const { return 0; }
    [[nodiscard]] virtual NumberStyle getNumberStyle() const { return KNOB; }
    void getValueForPopup(StringBuf& value) override { value.appendInt(getValue()); }
    bool showValueInPopup() const override { return getNumberStyle() != PERCENT; }
    float getValuePercent();
};
 
} // namespace deluge::gui::menu_item