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/*****************************************************************************
*
* grail - Gesture Recognition And Instantiation Library
*
* Copyright (C) 2010-2011 Canonical Ltd.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
****************************************************************************/
#include <grail.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdlib.h>
#include <sys/stat.h>
static grail_mask_t flag_mask[DIM_GRAIL_TYPE_BYTES];
static int tp_get_clients(struct grail *ge,
struct grail_client_info *clients, int max_clients,
const struct grail_coord *coords, int num_coords,
const grail_mask_t *types, int type_bytes)
{
memset(&clients[0], 0, sizeof(clients[0]));
clients[0].id.client = 345;
clients[0].id.root = 1;
clients[0].id.event = 2;
clients[0].id.child = 3;
memcpy(clients[0].mask, flag_mask, sizeof(flag_mask));
return 1;
}
static void tp_event(struct grail *ge, const struct input_event *ev)
{
fprintf(stderr, "%lu.%06u %04x %04x %d\n",
ev->time.tv_sec, (unsigned)ev->time.tv_usec,
ev->type, ev->code, ev->value);
}
static void tp_gesture(struct grail *ge, const struct grail_event *ev)
{
struct grail_contact touch[32];
int i, ntouch;
fprintf(stderr, "gesture %d %d %d %d - %f %f %d - %d\n",
ev->type, ev->id, ev->client_id.client, ev->client_id.event,
ev->pos.x, ev->pos.y, ev->ntouch,
ev->status);
ntouch = grail_get_contacts(ge, touch, 32);
for (i = 0; i < ntouch; i++) {
const struct grail_contact *t = &touch[i];
fprintf(stderr, "\t%d: %d %d\n", i, t->id, t->tool_type);
fprintf(stderr, "\t %f %f\n", t->pos.x, t->pos.y);
fprintf(stderr, "\t %f %f %f %f\n", t->touch_major,
t->touch_minor, t->width_major, t->width_minor);
fprintf(stderr, "\t %f %f\n", t->angle, t->pressure);
}
for (i = 0; i < ev->nprop; i++)
fprintf(stderr, "\t%d: %f\n", i, ev->prop[i]);
}
static void loop_device(struct grail *ge, int fd)
{
while (!grail_idle(ge, fd, 5000))
grail_pull(ge, fd);
}
int main(int argc, char *argv[])
{
struct grail ge;
struct stat fs;
int i, fd;
if (argc < 3) {
fprintf(stderr, "Usage: %s <mask> <device>\n", argv[0]);
return -1;
}
memset(&ge, 0, sizeof(ge));
ge.get_clients = tp_get_clients;
ge.event = tp_event;
ge.gesture = tp_gesture;
unsigned long mask = strtoull(argv[1], 0, 0);
for (i = 0; i < DIM_GRAIL_TYPE; i++)
if ((mask >> i) & 1)
grail_mask_set(flag_mask, i);
fd = open(argv[2], O_RDONLY | O_NONBLOCK);
if (fd < 0) {
fprintf(stderr, "error: could not open device\n");
return -1;
}
if (fstat(fd, &fs)) {
fprintf(stderr, "error: could not stat the device\n");
return -1;
}
if (fs.st_rdev && ioctl(fd, EVIOCGRAB, 1)) {
fprintf(stderr, "error: could not grab the device\n");
return -1;
}
if (grail_open(&ge, fd)) {
fprintf(stderr, "error: could not open touch device\n");
return -1;
}
//grail_filter_abs_events(&ge, 1);
struct grail_coord min = { -2, -1 }, max = { 2, 1 };
grail_set_bbox(&ge, &min, &max);
loop_device(&ge, fd);
grail_close(&ge, fd);
if (fs.st_rdev)
ioctl(fd, EVIOCGRAB, 0);
close(fd);
return 0;
}
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