From b76660d71e2ea77752025089bd71deffad64e325 Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Mon, 26 Jul 2010 13:51:34 +0200 Subject: Test implementation of grail api This patch introduces the grail API, and a program to test it (evlink). Signed-off-by: Henrik Rydberg --- test/evlink.c | 96 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 test/evlink.c (limited to 'test/evlink.c') diff --git a/test/evlink.c b/test/evlink.c new file mode 100644 index 0000000..bef5e22 --- /dev/null +++ b/test/evlink.c @@ -0,0 +1,96 @@ +/***************************************************************************** + * + * grail - Gesture Recognition And Instantiation Library + * + * Copyright (C) 2010 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 . + * + * Authors: + * Henrik Rydberg + * + ****************************************************************************/ + +#include +#include +#include +#include +#include + +static int tp_get_clients(int x, int y, int screen, + grail_clientid_t *clients, int nclients) +{ + return 0; +} + +static void tp_event(struct grail *ge, const struct input_event *ev) +{ + fprintf(stderr, "event %d %d %d\n", ev->type, ev->code, ev->value); +} + +static void tp_gesture(struct grail *ge, const struct grail_event *ev) +{ + fprintf(stderr, "gesture %d %d\n", ev->type, ev->id); +} + +static void loop_device(struct grail *ge, int fd) +{ + while (!grail_idle(ge, fd, 5000)) + grail_pull(ge, fd); +} + +#if 0 +void grail_add_client(struct grail *ge, grail_clientid_t id, + const int *types, const int *priority, int ntypes); +void grail_remove_client(struct grail *ge, grail_clientid_t id); + +#endif + + +int main(int argc, char *argv[]) +{ + struct grail ge; + int fd; + + if (argc < 2) { + fprintf(stderr, "Usage: %s \n", argv[0]); + return -1; + } + + memset(&ge, 0, sizeof(ge)); + ge.get_clients = tp_get_clients; + ge.event = tp_event; + ge.gesture = tp_gesture; + + fd = open(argv[1], O_RDONLY | O_NONBLOCK); + if (fd < 0) { + fprintf(stderr, "error: could not open device\n"); + return -1; + } + if (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; + } + loop_device(&ge, fd); + grail_close(&ge, fd); + + ioctl(fd, EVIOCGRAB, 0); + close(fd); + return 0; +} -- cgit v1.2.3