horizontal_menu.h

#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:
    enum Layout { FIXED, DYNAMIC };
    struct PageInfo {
        int32_t number;
        std::vector<MenuItem*> items;
    };
    struct Paging {
        int32_t visiblePageNumber;
        int32_t selectedItemPositionOnPage;
        std::vector<PageInfo> pages;
        PageInfo& getVisiblePage() { return pages[visiblePageNumber]; }
    };
    struct ColumnLabelPosition {
        int32_t startX;
        int32_t width;
    };
 
    using Submenu::Submenu;
 
    HorizontalMenu(l10n::String newName, std::span<MenuItem*> newItems, Layout layout)
        : Submenu(newName, newItems), layout(layout), paging{} {}
    HorizontalMenu(l10n::String newName, std::initializer_list<MenuItem*> newItems, Layout layout)
        : Submenu(newName, newItems), layout(layout), paging{} {}
    HorizontalMenu(l10n::String newName, l10n::String newTitle, std::initializer_list<MenuItem*> newItems,
                   Layout layout)
        : Submenu(newName, newTitle, newItems), layout(layout), paging{} {}
 
    RenderingStyle renderingStyle() const override;
    ActionResult buttonAction(hid::Button b, bool on, bool inCardRoutine) override;
    void selectEncoderAction(int32_t offset) override;
    void renderOLED() override;
    void drawPixelsForOled() override;
    void endSession() override;
 
protected:
    Paging paging;
    Layout layout = DYNAMIC;
    int32_t lastSelectedItemPosition = kNoSelection;
    ActionResult selectMenuItemOnVisiblePage(int32_t selectedColumn);
    ActionResult switchVisiblePage(int32_t direction);
    void updateSelectedMenuItemLED(int32_t itemNumber);
    Paging splitMenuItemsByPages() const;
    static void displayPopup(MenuItem* menuItem);
    static ColumnLabelPosition renderColumnLabel(MenuItem* menuItem, int32_t labelY, int32_t slotStartX,
                                                 int32_t slotWidth);
};
} // namespace deluge::gui::menu_item