87 lines
3.0 KiB
C++
87 lines
3.0 KiB
C++
/************************************************************************
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* Copyright (c) 2005-2007 tok@openlinux.org.uk *
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* *
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* This software is provided as-is, without any express or implied *
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* warranty. In no event will the authors be held liable for any *
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* damages arising from the use of this software. *
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* *
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* Permission is granted to anyone to use this software for any purpose, *
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* including commercial applications, and to alter it and redistribute *
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* it freely, subject to the following restrictions: *
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* *
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* 1. The origin of this software must not be misrepresented; you must *
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* not claim that you wrote the original software. If you use this *
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* software in a product, an acknowledgment in the product documentation *
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* would be appreciated but is not required. *
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* *
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* 2. Altered source versions must be plainly marked as such, and must *
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* not be misrepresented as being the original software. *
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* *
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* 3. This notice may not be removed or altered from any source *
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* distribution. *
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************************************************************************/
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#ifndef UTIL_KEYHANDLER_H
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#define UTIL_KEYHANDLER_H
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#include <stdint.h>
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#include <list>
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#include <vector>
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#include "pf_tree.hpp"
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namespace Util {
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/** Interface for key listeners.
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*
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* Must implement both keypress and release functions;
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* the functions should return \em true when the input
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* value is consumed by a handler.
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*/
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class KeyHandler {
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public:
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virtual ~KeyHandler() {}
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virtual bool up(const uint32_t & key) = 0;
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virtual bool down(const uint32_t & key) = 0;
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};
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/** Keys that do _not_ control the player character.
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*/
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class IngameCommonKeys : public KeyHandler {
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public:
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bool up(const uint32_t & key);
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bool down(const uint32_t & key);
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};
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class MenuKeys : public KeyHandler {
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public:
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bool up(const uint32_t & key);
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bool down(const uint32_t & key);
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};
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class CheatKeys : public KeyHandler {
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public:
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bool up(const uint32_t & key);
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bool down(const uint32_t & key);
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template <typename T>
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struct Callback_Lua {
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void call(T);
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};
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typedef PrefixFreeTree::Walker<uint32_t, Callback_Lua> TreeOfCheats;
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private:
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std::vector<uint32_t> cheat_fn_refs;
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};
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class KeyHandlerChain {
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public:
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void up(const uint32_t & key);
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void down(const uint32_t & key);
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void addHandler(KeyHandler*, bool front = true);
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void removeHandler(KeyHandler*);
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private:
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typedef std::list<KeyHandler*> ListOfHandlers;
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ListOfHandlers activeHandlers;
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};
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}
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#endif
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