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>

1 files changed, 151 insertions, 0 deletions

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);
+}
+