From b76660d71e2ea77752025089bd71deffad64e325 Mon Sep 17 00:00:00 2001
From: Henrik Rydberg <rydberg@bitmath.org>
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 <rydberg@bitmath.org>
---
 src/grail-api.c | 151 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)
 create mode 100644 src/grail-api.c

(limited to 'src/grail-api.c')

diff --git a/src/grail-api.c b/src/grail-api.c
new file mode 100644
index 0000000..dbe4977
--- /dev/null
+++ b/src/grail-api.c
@@ -0,0 +1,151 @@
+#include <grail-gesture.h>
+#include <grail.h>
+#include <string.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <malloc.h>
+#include <errno.h>
+
+struct grail_impl {
+	struct touch_dev dev;
+	struct touch_engine engine;
+	struct touch_frame frame;
+	struct gesture_dev gedev;
+	struct gesture_client client;
+	touch_time_t last_scroll;
+};
+
+static void gh_handle(struct grail_impl *gh,
+		      const struct touch_frame *frame,
+		      touch_time_t time)
+{
+#if 0
+	struct gesture_flag flag;
+	struct grail_event ev;
+	if (frame->ntouch == 1 || frame->ntouch == 2) {
+		flag.type = GE_MOVE;
+		flag.time = time;
+		flag.state = GS_BEGIN;
+		gedev_flag(&gh->dev, &flag);
+
+		ev.type = GE_MOVE;
+		ev.time = time;
+		ev.prop[0] =
+			frame->touch[0].prop[TP_POS_X] -
+			gh->frame.touch[0].prop[TP_POS_X];
+		ev.prop[1] =
+			frame->touch[0].prop[TP_POS_Y] -
+			gh->frame.touch[0].prop[TP_POS_Y];
+		if (ev.prop[0] || ev.prop[1])
+			gedev_event(&gh->dev, &ev);
+
+		flag.time = time + 1;
+		flag.state = GS_END;
+		gedev_flag(&gh->dev, &flag);
+	}
+	if (frame->ntouch == 2) {
+		flag.type = GE_VSCROLL;
+		flag.time = time;
+		flag.state = GS_BEGIN;
+		gedev_flag(&gh->dev, &flag);
+
+		ev.type = GE_VSCROLL;
+		ev.time = time;
+		ev.prop[0] =
+			frame->touch[0].prop[TP_POS_Y] -
+			gh->frame.touch[0].prop[TP_POS_Y];
+
+		if (ev.prop[0])
+			gedev_event(&gh->dev, &ev);
+
+		if (time > gh->last_scroll + 100) {
+			flag.time = time + 1;
+			flag.state = GS_END;
+			gedev_flag(&gh->dev, &flag);
+			gh->last_scroll = time;
+		}
+	} else {
+		flag.type = GE_VSCROLL;
+		flag.time = time;
+		flag.state = GS_CANCEL;
+		gedev_flag(&gh->dev, &flag);
+	}
+	gedev_sync(&gh->dev);
+	gh->frame = *frame;
+#endif
+}
+
+static void tp_event(struct touch_engine *engine,
+		     const struct input_event *ev)
+{
+	struct grail *ge = engine->priv;
+	if (ge->event)
+		ge->event(ge, ev);
+}
+
+static void tp_sync(struct touch_engine *engine,
+		    const struct input_event *syn)
+{
+	struct grail *ge = engine->priv;
+#if 0
+	struct touch_frame *frame = &engine->frame;
+	gh_handle(ge, frame, frame->time);
+#endif
+	if (ge->event)
+		ge->event(ge, syn);
+}
+
+int grail_open(struct grail *ge, int fd)
+{
+	struct grail_impl *x;
+	int ret;
+	x = calloc(1, sizeof(*x));
+	if (!x)
+		return -ENOMEM;
+	ret = touch_dev_open(&x->dev, fd);
+	if (ret)
+		goto error;
+	touch_engine_init(&x->engine, tp_event, tp_sync, ge);
+	touch_engine_attach(&x->engine, &x->dev);
+	ge->impl = x;
+	return 0;
+ error:
+	free(x);
+	return ret;
+}
+
+int grail_idle(struct grail *ge, int fd, int ms)
+{
+	struct grail_impl *x = ge->impl;
+	return touch_dev_idle(&x->dev, fd, ms);
+}
+
+int grail_pull(struct grail *ge, int fd)
+{
+	struct grail_impl *x = ge->impl;
+	return touch_dev_pull(&x->dev, fd);
+}
+
+void grail_close(struct grail *ge, int fd)
+{
+	struct grail_impl *x = ge->impl;
+	touch_engine_detach(&x->engine, &x->dev);
+	touch_dev_close(&x->dev, fd);
+	free(ge->impl);
+	ge->impl = 0;
+}
+
+void grail_add_client(struct grail *ge, grail_clientid_t id,
+		      const int *types, const int *priority, int ntypes)
+{
+	struct grail_impl *x = ge->impl;
+	//gedev_attach_client(&x->dev, &x->client);
+}
+
+void grail_remove_client(struct grail *ge, grail_clientid_t id)
+{
+	struct grail_impl *x = ge->impl;
+	//gedev_detach_client(&x->dev, &x->client);
+}
+
-- 
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