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/***************************************************************************
*
* Multitouch X driver
* Copyright (C) 2008 Henrik Rydberg <rydberg@euromail.se>
* Copyright (C) 2011 Ryan Bourgeois <bluedragonx@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
**************************************************************************/
#ifndef MTSTATE_H
#define MTSTATE_H
#include "common.h"
#include "mconfig.h"
#include "hwstate.h"
#include "capabilities.h"
#define MT_NEW 0
#define MT_RELEASED 1
#define MT_INVALID 2
#define MT_THUMB 3
#define MT_PALM 4
#define MT_BOTTOM_EDGE 5
struct Touch {
bitmask_t state;
bitmask_t flags;
double direction;
int tracking_id;
int x, y, dx, dy;
int total_dx, total_dy;
struct timeval down;
};
struct MTState {
bitmask_t state;
struct Touch touch[DIM_TOUCHES];
bitmask_t touch_used;
};
/* Initialize an MTState struct.
*/
void mtstate_init(struct MTState* ms);
/* Extract the MTState from the current hardware state.
*/
void mtstate_extract(struct MTState* ms,
const struct MConfig* cfg,
const struct HWState* hs,
const struct Capabilities* caps);
#endif
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