portapack-mayhem/firmware/application/ui/ui_menu.hpp
Kyle Reed a476647d70
Don't use raw new/delete (#1398)
* Use unique_ptr in ui_btngrid
* Use unique_ptr for ui_menu
* Use unique_ptr for rssi_dma
* Use unique_ptr for painter
2023-08-21 10:17:23 +02:00

128 lines
3.3 KiB
C++

/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2016 Furrtek
*
* This file is part of PortaPack.
*
* This program 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 2, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __UI_MENU_H__
#define __UI_MENU_H__
#include "ui.hpp"
#include "ui_widget.hpp"
#include "ui_painter.hpp"
#include "bitmap.hpp"
#include "signal.hpp"
#include <cstddef>
#include <functional>
#include <memory>
#include <string>
#include <vector>
namespace ui {
struct MenuItem {
std::string text;
ui::Color color;
const Bitmap* bitmap;
std::function<void(KeyEvent)> on_select;
// TODO: Prevent default-constructed MenuItems.
// I managed to construct a menu with three extra, unspecified menu items
// in the array that were default constructed...
};
class MenuItemView : public Widget {
public:
MenuItemView(
bool keep_highlight)
: keep_highlight{keep_highlight} {
}
MenuItemView(const MenuItemView&) = delete;
MenuItemView(MenuItemView&&) = delete;
MenuItemView& operator=(const MenuItemView&) = delete;
MenuItemView& operator=(MenuItemView&&) = delete;
void paint(Painter& painter) override;
void set_item(MenuItem* item_);
void highlight();
void unhighlight();
private:
MenuItem* item{nullptr};
bool keep_highlight = false;
};
class MenuView : public View {
public:
std::function<void(void)> on_left{};
std::function<void(void)> on_highlight{nullptr};
MenuView(Rect new_parent_rect = {0, 0, screen_width, screen_height - 16},
bool keep_highlight = false);
~MenuView();
void add_item(MenuItem new_item);
void add_items(std::initializer_list<MenuItem> new_items);
void clear();
size_t item_count() const;
MenuItemView* item_view(size_t index) const;
bool set_highlighted(int32_t new_value);
uint32_t highlighted_index() const;
void set_parent_rect(const Rect new_parent_rect) override;
void on_focus() override;
void on_blur() override;
bool on_key(const KeyEvent event) override;
bool on_encoder(const EncoderEvent event) override;
private:
void update_items();
void on_tick_second();
bool keep_highlight{false};
SignalToken signal_token_tick_second{};
std::vector<MenuItem> menu_items{};
std::vector<std::unique_ptr<MenuItemView>> menu_item_views{};
Image arrow_more{
{228, screen_height - 8, 8, 8},
&bitmap_more,
Color::white(),
Color::black()};
const size_t item_height = 24;
bool blink = false;
bool more = false;
size_t displayed_max{0};
size_t highlighted_item{0};
size_t offset{0};
};
} /* namespace ui */
#endif /*__UI_MENU_H__*/