2101353d36
Turns out I mistook @celticminstrel's opinion that we should use include guards over pragma (737916e).
Since all major compilers support `#pragma once`, there's no reason not to use it.
For future mergability reasons, this excludes src/spirit_po and src/xBRZ. It also excludes src/boost-patched.
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/*
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Copyright (C) 2015 - 2017 by the Battle for Wesnoth Project
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<http://www.wesnoth.org/>
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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 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY.
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See the COPYING file for more details.
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*/
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#pragma once
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class CVideo;
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#include <cassert>
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#include <vector>
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#include "utils/functional.hpp"
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/**
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* Implements a quit confirmation dialog.
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*
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* Any object of this type will prevent the game from quitting immediately.
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* Instead, a confirmation dialog will pop up when attempting to close.
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*/
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class quit_confirmation
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{
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public:
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explicit quit_confirmation(const std::function<bool()>& prompt = &quit_confirmation::default_prompt)
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: prompt_(prompt) { blockers_.push_back(this); }
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~quit_confirmation() { blockers_.pop_back(); }
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/**
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* Shows the quit confirmation if needed.
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*
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* @throws CVideo::quit If the user chooses to quit or no prompt was
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* displayed.
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*/
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static bool quit();
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static void quit_to_title();
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static void quit_to_desktop();
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static bool show_prompt(const std::string& message);
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static bool default_prompt();
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private:
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// noncopyable
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quit_confirmation(const quit_confirmation&) = delete;
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const quit_confirmation& operator=(const quit_confirmation&) = delete;
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static std::vector<quit_confirmation*> blockers_;
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static bool open_;
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std::function<bool()> prompt_;
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};
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