amount.h

/*
 * Copyright (c) 2014-2023 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/menu_item/integer.h"
#include "hid/display/oled.h"
 
namespace deluge::gui::menu_item::delay {
 
using namespace hid::display;
 
class Amount final : public patched_param::Integer {
public:
    using Integer::Integer;
 
    float normalize(int32_t value) override {
        const int32_t clamped = std::clamp<int32_t>(value, 0, max_value_in_horizontal_menu);
        return clamped / static_cast<float>(max_value_in_horizontal_menu);
    }
 
    void renderInHorizontalMenu(const SlotPosition& slot) override {
        drawBar(slot);
 
        if (getValue() > max_value_in_horizontal_menu) {
            // Draw exclamation mark
            oled_canvas::Canvas& image = OLED::main;
            constexpr uint8_t excl_mark_width = 3;
            constexpr uint8_t excl_mark_height = 11;
            const uint8_t center_x = slot.start_x + slot.width / 2;
            const uint8_t excl_mark_start_y = slot.start_y + kHorizontalMenuSlotYOffset - 1;
            const uint8_t excl_mark_end_y = excl_mark_start_y + excl_mark_height - 1;
            const uint8_t excl_mark_start_x = center_x - 1;
 
            // Fill the mark area
            for (uint8_t x = center_x - 2; x <= center_x + 2; x++) {
                for (uint8_t y = excl_mark_start_y - 1; y <= excl_mark_end_y + 1; y++) {
                    image.drawPixel(x, y);
                }
            }
 
            image.invertArea(excl_mark_start_x, excl_mark_width, excl_mark_start_y, excl_mark_start_y + 6);
            image.invertArea(excl_mark_start_x, excl_mark_width, excl_mark_start_y + 8, excl_mark_start_y + 10);
        }
    }
 
    void getColumnLabel(StringBuf& label) override { label.append(l10n::get(l10n::String::STRING_FOR_AMOUNT_SHORT)); }
 
private:
    constexpr static int32_t max_value_in_horizontal_menu = 24;
};
} // namespace deluge::gui::menu_item::delay