1 files changed, 94 insertions, 0 deletions

diff --git a/include/grail.h b/include/grail.h
new file mode 100644
index 0000000..0fa4473
--- /dev/null
+++ b/include/grail.h
@@ -0,0 +1,94 @@
+/*****************************************************************************
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *      Henrik Rydberg <rydberg@bitmath.org>
+ *
+ ****************************************************************************/
+
+#ifndef _GRAIL_H
+#define _GRAIL_H
+
+#include <grail-bits.h>
+#include <grail-types.h>
+#include <linux/input.h>
+
+#define DIM_GRAIL_TYPE          64
+#define DIM_GRAIL_TYPE_BYTES    ((DIM_GRAIL_TYPE + 7) >> 3)
+
+#define DIM_GRAIL_PROP          16
+#define DIM_GRAIL_PROP_BYTES    ((DIM_GRAIL_PROP + 7) >> 3)
+
+#define GRAIL_STATUS_BEGIN      0
+#define GRAIL_STATUS_UPDATE     1
+#define GRAIL_STATUS_END        2
+
+typedef float grail_prop_t;
+typedef __u64 grail_time_t;
+
+struct grail_coord {
+        float x, y;
+};
+
+struct grail_client_id {
+        int client;
+        int root, event, child;
+};
+
+struct grail_client_info {
+        struct grail_client_id id;
+        grail_mask_t mask[DIM_GRAIL_TYPE_BYTES];
+};
+
+struct grail_event {
+        int type;
+        int id;
+        int status;
+        int ntouch;
+        int nprop;
+        struct grail_coord pos;
+        struct grail_client_id client_id;
+        grail_time_t time;
+        grail_prop_t prop[DIM_GRAIL_PROP];
+};
+
+struct grail {
+        int (*get_clients)(struct grail *ge,
+                           struct grail_client_info *client, int max_clients,
+                           const struct grail_coord *coords, int num_coords,
+                           const grail_mask_t *types, int type_bytes);
+        void (*event)(struct grail *ge,
+                      const struct input_event *ev);
+        void (*gesture)(struct grail *ge,
+                        const struct grail_event *ev);
+        struct grail_impl *impl;
+        struct gesture_inserter *gin;
+        struct gesture_recognizer *gru;
+        void *priv;
+};
+
+int grail_open(struct grail *ge, int fd);
+int grail_idle(struct grail *ge, int fd, int ms);
+int grail_pull(struct grail *ge, int fd);
+void grail_close(struct grail *ge, int fd);
+
+void grail_get_units(struct grail_coord *min, struct grail_coord *max,
+                     const struct grail *ge);
+
+#endif