Test implementation of grail api

This patch introduces the grail API, and a program to test it (evlink).

Signed-off-by: Henrik Rydberg <rydberg@bitmath.org>

3 files changed, 124 insertions, 54 deletions

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 <http://www.gnu.org/licenses/>.
+ *
+ * Authors:
+ *      Henrik Rydberg <rydberg@bitmath.org>
+ *
+ ****************************************************************************/
+
+#ifndef _GRAIL_GESTURE_H
+#define _GRAIL_GESTURE_H
+
+#include <grail-touch.h>
+
+#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
diff --git a/include/grail-touch.h b/include/grail-touch.h
index 9e8572b..e4bfd7b 100644
--- a/include/grail-touch.h
+++ b/include/grail-touch.h
@@ -67,7 +67,7 @@ struct touch_dev {
         void (*modify)(struct touch_dev *dev, int slot,
                        const touch_prop_mask_t *mask, const touch_prop_t *prop);
         void (*destroy)(struct touch_dev *dev, int slot);
-        void (*sync)(struct touch_dev *dev, touch_time_t time);
+        void (*sync)(struct touch_dev *dev, const struct input_event *syn);
         struct touch_dev_impl *impl;
         void *priv;
 };
@@ -75,7 +75,8 @@ struct touch_dev {
 struct touch_engine {
         void (*event)(struct touch_engine *engine,
                       const struct input_event *ev);
-        void (*sync)(struct touch_engine *engine);
+        void (*sync)(struct touch_engine *engine,
+                     const struct input_event *syn);
         struct touch_frame frame;
         void *priv;
 };
@@ -98,7 +99,8 @@ 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),
+                       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);
diff --git a/include/grail.h b/include/grail.h
index 087cf0c..c390e22 100644
--- a/include/grail.h
+++ b/include/grail.h
@@ -25,66 +25,44 @@
 #ifndef _GRAIL_H
 #define _GRAIL_H
 
-#include <grail-touch.h>
+#include <linux/input.h>
 
-#define DIM_GESTURE_PROP 8
-typedef int gesture_prop_t;
+#define DIM_GRAIL_PROP 8
+#define DIM_GRAIL_TYPE 64
 
-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;
-};
+typedef int grail_prop_t;
+typedef __u64 grail_time_t;
+typedef unsigned long grail_clientid_t;
 
-struct gesture_event {
-        enum gesture_type type;
-        touch_time_t time;
-        gesture_prop_t prop[DIM_GESTURE_PROP];
+struct grail_event {
+        int type;
+        int id;
+        int x;
+        int y;
+        int status;
+        grail_time_t time;
+        grail_prop_t prop[DIM_GRAIL_PROP];
 };
 
-struct gesture_dev {
-        struct gedev_impl *impl;
+struct grail {
+        int (*get_clients)(int x, int y, int screen,
+                           grail_clientid_t *clients, int nclients);
+        void (*event)(struct grail *ge,
+                      const struct input_event *ev);
+        void (*gesture)(struct grail *ge,
+                        const struct grail_event *ev);
+        struct grail_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);
+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 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 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);
 
-void gedev_detach_client(struct gesture_dev *dev,
-                         struct gesture_client *client);
-void gedev_destroy(struct gesture_dev *dev);
 
 #endif