horizontal_menu.h

/*
 * Copyright (c) 2024 Nikodemus Siivola, Leonid Burygin
 *
 * 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/menu_item.h"
#include "gui/menu_item/submenu.h"
#include "util/containers.h"
#include <initializer_list>
#include <span>
 
namespace deluge::gui::menu_item {
 
class HorizontalMenu : public Submenu {
public:
    friend class HorizontalMenuGroup;
 
    enum Layout { FIXED, DYNAMIC };
 
    struct Paging {
        uint8_t visiblePageNumber;
        std::span<MenuItem*> visiblePageItems;
        uint8_t selectedItemPositionOnPage;
        uint8_t totalPages;
    };
 
    using Submenu::Submenu;
 
    HorizontalMenu(l10n::String newName, std::span<MenuItem*> newItems, Layout layout)
        : Submenu(newName, newItems), paging{}, layout(layout) {}
    HorizontalMenu(l10n::String newName, std::initializer_list<MenuItem*> newItems, Layout layout)
        : Submenu(newName, newItems), paging{}, layout(layout) {}
    HorizontalMenu(l10n::String newName, l10n::String newTitle, std::initializer_list<MenuItem*> newItems,
                   Layout layout)
        : Submenu(newName, newTitle, newItems), paging{}, layout(layout) {}
 
    RenderingStyle renderingStyle() const override;
    ActionResult buttonAction(hid::Button b, bool on, bool inCardRoutine) override;
    void selectEncoderAction(int32_t offset) override;
    void renderOLED() override;
    MenuPermission checkPermissionToBeginSession(ModControllableAudio* modControllable, int32_t whichThing,
                                                 ::MultiRange** currentRange) override;
    void endSession() override;
 
    virtual bool hasItem(const MenuItem* item);
    virtual void setCurrentItem(const MenuItem* item);
    decltype(items)& getItems() { return items; }
    MenuItem* getCurrentItem() const { return *current_item_; }
 
protected:
    Paging paging;
    Layout layout{DYNAMIC};
    int32_t lastSelectedItemPosition{kNoSelection};
 
    virtual void renderMenuItems(std::span<MenuItem*> items, const MenuItem* currentItem);
    virtual Paging& preparePaging(std::span<MenuItem*> items, const MenuItem* currentItem);
    virtual void handleInstrumentButtonPress(std::span<MenuItem*> visible_page_items, const MenuItem* previous,
                                             int32_t pressed_button_position);
    virtual void selectMenuItem(int32_t page_number, int32_t item_pos);
    virtual void switchVisiblePage(int32_t direction);
    virtual void switchHorizontalMenu(int32_t direction, std::span<HorizontalMenu* const> chain);
 
private:
    void updateSelectedMenuItemLED(int32_t itemNumber) const;
    static void handleItemAction(MenuItem* menuItem);
    static void displayNotification(MenuItem* menuItem);
    static void renderPageCounters(const Paging& paging);
    static void renderColumnLabel(MenuItem* menuItem, int32_t labelY, int32_t slotStartX, int32_t slotWidth,
                                  bool isSelected);
 
    double currentKnobSpeed{0.0};
    double calcNextKnobSpeed(int8_t offset);
};
} // namespace deluge::gui::menu_item