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/*****************************************************************************
*
* mtdev - Multitouch Protocol Translation Library (MIT license)
*
* Copyright (C) 2010 Henrik Rydberg <rydberg@euromail.se>
* Copyright (C) 2010 Canonical Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
****************************************************************************/
#ifndef MTDEV_STATE_H
#define MTDEV_STATE_H
#include "iobuf.h"
#include "evbuf.h"
/*
* struct mtdev_slot - represents the state of an input MT slot
* @abs: current values of ABS_MT axes for this slot
*/
struct mtdev_slot {
int abs[MT_ABS_SIZE];
};
/*
* struct mtdev_state - MT slot parsing
* @inbuf: input event buffer
* @outbuf: output event buffer
* @data: array of scratch slot data
* @used: bitmask of currently used slots
* @slot: slot currently being modified
* @lastid: last used tracking id
*/
struct mtdev_state {
struct mtdev_iobuf iobuf;
struct mtdev_evbuf inbuf;
struct mtdev_evbuf outbuf;
struct mtdev_slot data[DIM_FINGER];
bitmask_t used;
bitmask_t slot;
bitmask_t lastid;
};
#endif
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