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 --- include/grail-gesture.h | 90 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 include/grail-gesture.h (limited to 'include/grail-gesture.h') diff --git a/include/grail-gesture.h b/include/grail-gesture.h new file mode 100644 index 0000000..fe62b95 --- /dev/null +++ b/include/grail-gesture.h @@ -0,0 +1,90 @@ +/***************************************************************************** + * + * 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 + * + ****************************************************************************/ + +#ifndef _GRAIL_GESTURE_H +#define _GRAIL_GESTURE_H + +#include + +#define DIM_GESTURE_PROP 8 +typedef int gesture_prop_t; + +enum gesture_type { + GE_MOVE, + GE_VSCROLL, + DIM_GESTURE_TYPE +}; + +enum gesture_state { + GS_CANCEL, + GS_BEGIN, + GS_END +}; + +struct gesture_flag { + enum gesture_type type; + touch_time_t time; + enum gesture_state state; +}; + +struct gesture_event { + enum gesture_type type; + touch_time_t time; + gesture_prop_t prop[DIM_GESTURE_PROP]; +}; + +struct gesture_dev { + struct gedev_impl *impl; + void *priv; +}; + +struct gesture_client { + void (*gesture)(struct gesture_client *client, + const struct gesture_event *ev); + int priority[DIM_GESTURE_TYPE]; + struct client_impl *impl; + void *priv; +}; + +int client_init(struct gesture_client *client, void *priv); +void client_flag(struct gesture_client *client, + const struct gesture_flag *flag); +void client_event(struct gesture_client *client, + const struct gesture_event *ev); +void client_sync(struct gesture_client *client); +void client_destroy(struct gesture_client *client); + +int gedev_init(struct gesture_dev *dev, void *priv); +int gedev_attach_client(struct gesture_dev *dev, + struct gesture_client *client); + +void gedev_flag(struct gesture_dev *dev, const struct gesture_flag *flag); +void gedev_event(struct gesture_dev *dev, const struct gesture_event *ev); +void gedev_sync(struct gesture_dev *dev); + +void gedev_detach_client(struct gesture_dev *dev, + struct gesture_client *client); +void gedev_destroy(struct gesture_dev *dev); + +#endif -- cgit v1.2.3