eurorack/midi2cv/menu/menu.h

38 lines
810 B
C++

#pragma once
#include "menu_items.h"
#include <u8g2.h>
#define MAXIMUM_MENU_ITEM_COUNT 16
class Menu {
private:
AbstractMenuItem* items[MAXIMUM_MENU_ITEM_COUNT];
uint8_t itemCount;
uint8_t selectedItem;
uint8_t currentScrollStart; // index we start rendering the menu from (for scrolling)
int8_t currentEditingItem;
uint8_t width, height;
public:
Menu(uint8_t width_, uint8_t height_)
: selectedItem(0)
, currentScrollStart(0)
, currentEditingItem(-1)
, width(width_)
, height(height_) {};
void up();
void down();
void enter();
void add_item(AbstractMenuItem* item)
{
if (itemCount < MAXIMUM_MENU_ITEM_COUNT) {
items[itemCount++] = item;
}
}
void render(u8g2_t* u8g2_, uint8_t x, uint8_t y, uint8_t width, uint8_t height);
};