mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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ac6af17b94
Added TODO to prevent default construction of menu items, making this a compiler error in the future.
101 lines
2.2 KiB
C++
101 lines
2.2 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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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 <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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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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MenuItem item
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) : item(item)
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{
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}
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void paint(Painter& painter) override;
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void select();
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void highlight();
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void unhighlight();
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private:
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const MenuItem item;
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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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MenuView() {
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set_focusable(true);
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}
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~MenuView();
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void add_item(const MenuItem item);
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template<size_t N>
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void add_items(const std::array<MenuItem, N>& items) {
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for(const auto& item : items) {
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add_item(item);
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}
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}
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void set_parent_rect(const Rect new_parent_rect) override;
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MenuItemView* item_view(size_t index) const;
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size_t highlighted() const;
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bool set_highlighted(const size_t new_value);
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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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//bool on_touch(const TouchEvent event) override;
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private:
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size_t highlighted_ { 0 };
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};
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} /* namespace ui */
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#endif/*__UI_MENU_H__*/
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