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//
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//
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//    Copyright 2010 TheSeven
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//
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//
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//    This file is part of emCORE.
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//
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//    emCORE is free software: you can redistribute it and/or
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//    modify it under the terms of the GNU General Public License as
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//    published by the Free Software Foundation, either version 2 of the
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//    License, or (at your option) any later version.
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//
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//    emCORE 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.
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//    See the 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 along
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//    with emCORE.  If not, see <http://www.gnu.org/licenses/>.
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//
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//
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#ifndef __BUTTON_H__
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#define __BUTTON_H__
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#include "global.h"
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#include "thread.h"
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enum button_event
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{
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    BUTTON_PRESS,
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    BUTTON_RELEASE,
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    WHEEL_TOUCH,
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    WHEEL_UNTOUCH,
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    WHEEL_POSITION,
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    WHEEL_MOVED,
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    WHEEL_MOVED_ACCEL,
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    WHEEL_FORWARD,
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    WHEEL_BACKWARD
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};
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struct button_hook_entry
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{
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    struct button_hook_entry* next;
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    struct scheduler_thread* owner;
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    void (*handler)(void*, enum button_event, int, int);
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    void* user;
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};
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void button_init() INITCODE_ATTR;
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struct button_hook_entry* button_register_handler(void (*handler)(void*, enum button_event,
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                                                                  int, int),
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                                                  void* user);
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int button_unregister_handler(struct button_hook_entry* hook);
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void button_send_event(enum button_event eventtype, int which, int value) ICODE_ATTR;
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void button_unregister_all_of_thread(struct scheduler_thread* process);
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#endif