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/* $OpenBSD: wsmouseinput.h,v 1.1 2016/03/30 23:34:12 bru Exp $ */
/*
* Copyright (c) 2015, 2016 Ulf Brosziewski
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* wsmouse input processing - private header
*/
#ifndef _WSMOUSEINPUT_H_
#define _WSMOUSEINPUT_H_
struct btn_state {
u_int buttons;
u_int sync;
};
struct motion_state {
int dx;
int dy;
int dz;
int dw;
int x;
int y;
u_int sync;
/* deltas of absolute coordinates */
int x_delta;
int y_delta;
};
#define SYNC_DELTAS (1 << 0)
#define SYNC_X (1 << 1)
#define SYNC_Y (1 << 2)
#define SYNC_POSITION (SYNC_X | SYNC_Y)
struct touch_state {
int pressure;
int contacts;
int width;
u_int sync;
int min_pressure;
};
#define SYNC_PRESSURE (1 << 0)
#define SYNC_CONTACTS (1 << 1)
#define SYNC_TOUCH_WIDTH (1 << 2)
struct mt_slot {
int x;
int y;
int pressure;
int id; /* tracking ID */
};
#define MTS_TOUCH 0
#define MTS_X 1
#define MTS_Y 2
#define MTS_PRESSURE 3
#define MTS_SIZE 4
struct mt_state {
/* the set of slots with active touches */
u_int touches;
/* the set of slots with unsynchronized state */
u_int frame;
int num_slots;
struct mt_slot *slots;
/* the sets of changes per slot axis */
u_int sync[MTS_SIZE];
int num_touches;
/* pointer control */
u_int ptr;
u_int ptr_cycle;
u_int prev_ptr;
/* a buffer for the MT tracking function */
int *matrix;
};
struct axis_filter {
/* scale factor in [*.12] fixed-point format */
int scale;
int rmdr;
};
struct wsmouseinput {
u_int flags;
struct btn_state btn;
struct motion_state motion;
struct touch_state touch;
struct mt_state mt;
struct wsmouseparams params;
struct {
struct axis_filter h;
struct axis_filter v;
} fltr;
struct wseventvar **evar;
};
/* wsmouseinput.flags */
#define TPAD_COMPAT_MODE (1 << 0)
#define TPAD_NATIVE_MODE (1 << 1)
#define SCALE_DELTAS (1 << 2)
#define MT_TRACKING (1 << 3)
#define SWAPXY (1 << 4)
#define RESYNC (1 << 16)
struct evq_access {
struct wseventvar *evar;
struct timespec ts;
int put;
int result;
};
#define EVQ_RESULT_OVERFLOW -1
#define EVQ_RESULT_NONE 0
#define EVQ_RESULT_SUCCESS 1
void wsmouse_evq_put(struct evq_access *, int, int);
void wsmouse_init_scaling(struct wsmouseinput *);
void wsmouse_input_init(struct wsmouseinput *, struct wseventvar **);
void wsmouse_input_cleanup(struct wsmouseinput *);
#define FOREACHBIT(v, i) \
for ((i) = ffs(v) - 1; (i) != -1; (i) = ffs((v) & (~1 << (i))) - 1)
#define DELTA_X_EV(flags) (((flags) & SWAPXY) ? \
WSCONS_EVENT_MOUSE_DELTA_Y : WSCONS_EVENT_MOUSE_DELTA_X)
#define DELTA_Y_EV(flags) (((flags) & SWAPXY) ? \
WSCONS_EVENT_MOUSE_DELTA_X : WSCONS_EVENT_MOUSE_DELTA_Y)
#define ABS_X_EV(flags) (((flags) & SWAPXY) ? \
WSCONS_EVENT_MOUSE_ABSOLUTE_Y : WSCONS_EVENT_MOUSE_ABSOLUTE_X)
#define ABS_Y_EV(flags) (((flags) & SWAPXY) ? \
WSCONS_EVENT_MOUSE_ABSOLUTE_X : WSCONS_EVENT_MOUSE_ABSOLUTE_Y)
#define DELTA_Z_EV WSCONS_EVENT_MOUSE_DELTA_Z
#define DELTA_W_EV WSCONS_EVENT_MOUSE_DELTA_W
#define ABS_Z_EV WSCONS_EVENT_TOUCH_PRESSURE
#define ABS_W_EV WSCONS_EVENT_TOUCH_CONTACTS
#define BTN_DOWN_EV WSCONS_EVENT_MOUSE_DOWN
#define BTN_UP_EV WSCONS_EVENT_MOUSE_UP
#define SYNC_EV WSCONS_EVENT_SYNC
/* buffer size for wsmouse_matching */
#define MATRIX_SIZE(slots) (((slots) + 7) * (slots) * sizeof(int))
#endif /* _WSMOUSEINPUT_H_ */
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