mirror of
https://github.com/eried/portapack-mayhem.git
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126 lines
3.0 KiB
C++
126 lines
3.0 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2016 Furrtek
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __UI_MENU_H__
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#define __UI_MENU_H__
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#include "ui.hpp"
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#include "ui_widget.hpp"
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#include "ui_painter.hpp"
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#include "bitmap.hpp"
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#include "signal.hpp"
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#include <cstddef>
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#include <string>
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#include <functional>
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namespace ui {
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struct MenuItem {
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std::string text;
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ui::Color color;
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const Bitmap* bitmap;
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std::function<void(void)> on_select;
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// TODO: Prevent default-constructed MenuItems.
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// I managed to construct a menu with three extra, unspecified menu items
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// in the array that were default constructed...
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};
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class MenuItemView : public Widget {
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public:
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MenuItemView(
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bool keep_highlight
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) : keep_highlight { keep_highlight }
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{
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}
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MenuItemView(const MenuItemView&) = delete;
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MenuItemView(MenuItemView&&) = delete;
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MenuItemView& operator=(const MenuItemView&) = delete;
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MenuItemView& operator=(MenuItemView&&) = delete;
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void paint(Painter& painter) override;
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void set_item(MenuItem* item_);
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void highlight();
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void unhighlight();
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private:
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MenuItem* item { nullptr };
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bool keep_highlight = false;
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};
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class MenuView : public View {
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public:
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std::function<void(void)> on_left { };
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std::function<void(void)> on_highlight { nullptr };
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MenuView(Rect new_parent_rect = { 0, 0, 240, 304 }, bool keep_highlight = false);
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~MenuView();
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void add_item(MenuItem new_item);
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void add_items(std::initializer_list<MenuItem> new_items);
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void clear();
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MenuItemView* item_view(size_t index) const;
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bool set_highlighted(int32_t new_value);
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uint32_t highlighted_index();
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void set_parent_rect(const Rect new_parent_rect) override;
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void on_focus() override;
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void on_blur() override;
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bool on_key(const KeyEvent event) override;
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bool on_encoder(const EncoderEvent event) override;
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private:
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void update_items();
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void on_tick_second();
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bool keep_highlight { false };
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SignalToken signal_token_tick_second { };
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std::vector<MenuItem> menu_items { };
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std::vector<MenuItemView*> menu_item_views { };
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Image arrow_more {
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{ 228, 320 - 8, 8, 8 },
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&bitmap_more,
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Color::white(),
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Color::black()
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};
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const size_t item_height = 24;
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bool blink = false;
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bool more = false;
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size_t displayed_max { 0 };
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size_t highlighted_item { 0 };
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size_t offset { 0 };
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};
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} /* namespace ui */
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#endif/*__UI_MENU_H__*/
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