initial bzr repo at rev 27

1 files changed, 107 insertions, 0 deletions

diff --git a/include/grail-touch.h b/include/grail-touch.h
new file mode 100644
index 0000000..5c2fab0
--- /dev/null
+++ b/include/grail-touch.h
@@ -0,0 +1,107 @@
+/*****************************************************************************
+ *
+ * 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_TOUCH_H
+#define _GRAIL_TOUCH_H
+
+#include <grail-bits.h>
+#include <mtdev.h>
+
+#define DIM_TOUCH 32
+#define DIM_TOUCH_BYTES ((DIM_TOUCH + 7) >> 3)
+
+typedef int touch_prop_t;
+typedef __u64 touch_time_t;
+
+enum touch_prop_list {
+        TP_POS_X,
+        TP_POS_Y,
+        TP_TOUCH_MAJOR,
+        TP_TOUCH_MINOR,
+        TP_WIDTH_MAJOR,
+        TP_WIDTH_MINOR,
+        TP_ORIENTATION,
+        TP_PRESSURE,
+        DIM_TOUCH_PROP
+};
+
+#define DIM_TOUCH_PROP_BYTES ((DIM_TOUCH_PROP + 7) >> 3)
+
+struct touch {
+        int active;
+        int slot;
+        touch_prop_t prop[DIM_TOUCH_PROP];
+};
+
+struct touch_frame {
+        int nactive;
+        int ncreate, nmodify, ndestroy;
+        touch_time_t time;
+        grail_mask_t touches[DIM_TOUCH_BYTES];
+        struct touch *active[DIM_TOUCH];
+        struct touch touch[DIM_TOUCH];
+};
+
+struct touch_dev_caps {
+        grail_mask_t mask[DIM_TOUCH_PROP_BYTES];
+        struct input_absinfo info[DIM_TOUCH_PROP];
+};
+
+struct touch_dev {
+        void (*event)(struct touch_dev *dev, const struct input_event *ev);
+        void (*create)(struct touch_dev *dev, int slot,
+                       const grail_mask_t *mask, const touch_prop_t *prop);
+        void (*modify)(struct touch_dev *dev, int slot,
+                       const grail_mask_t *mask, const touch_prop_t *prop);
+        void (*destroy)(struct touch_dev *dev, int slot);
+        void (*sync)(struct touch_dev *dev, const struct input_event *syn);
+        struct touch_dev_caps caps;
+        struct touch_dev_impl *impl;
+        void *priv;
+};
+
+struct touch_engine {
+        void (*event)(struct touch_engine *engine,
+                      const struct input_event *ev);
+        void (*sync)(struct touch_engine *engine,
+                     const struct input_event *syn);
+        struct touch_frame frame;
+        void *priv;
+};
+
+int touch_dev_open(struct touch_dev *dev, int fd);
+int touch_dev_idle(struct touch_dev *dev, int fd, int ms);
+int touch_dev_pull(struct touch_dev *dev, int fd);
+void touch_dev_close(struct touch_dev *dev, int fd);
+
+void touch_engine_init(struct touch_engine *engine,
+                       void (*event)(struct touch_engine *engine,
+                                     const struct input_event *ev),
+                       void (*sync)(struct touch_engine *engine,
+                                    const struct input_event *ev),
+                       void *priv);
+void touch_engine_attach(struct touch_engine *engine, struct touch_dev *dev);
+void touch_engine_detach(struct touch_engine *engine, struct touch_dev *dev);
+
+#endif