Add a device with REL_HWHEEL as only rel axis

2 files changed, 75 insertions, 1 deletions

diff --git a/src/Makefile.am b/src/Makefile.am
index dac88ad..b6be619 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -60,7 +60,8 @@ noinst_PROGRAMS=btn0 \
                 ntrig \
                 relz \
                 39663 \
-                touch
+                touch \
+                hwheel_only
 noinst_LIBRARIES=$(LIBNAME)
 
 libfakedev_a_SOURCES=fakedev.c fakedev.h
diff --git a/src/hwheel_only.c b/src/hwheel_only.c
new file mode 100644
index 0000000..be69b31
--- /dev/null
+++ b/src/hwheel_only.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright © 2009 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of Red Hat
+ * not be used in advertising or publicity pertaining to distribution
+ * of the software without specific, written prior permission.  Red
+ * Hat makes no representations about the suitability of this software
+ * for any purpose.  It is provided "as is" without express or implied
+ * warranty.
+ *
+ * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Authors:
+ *	Peter Hutterer (peter.hutterer@redhat.com)
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <linux/input.h>
+#include <linux/uinput.h>
+
+#include "fakedev.h"
+
+static int hwheel_setup(struct uinput_user_dev *dev, int fd)
+{
+    if (ioctl(fd, UI_SET_EVBIT, EV_KEY) == -1) goto error;
+    if (ioctl(fd, UI_SET_EVBIT, EV_REL) == -1) goto error;
+    if (ioctl(fd, UI_SET_EVBIT, EV_SYN) == -1) goto error;
+
+    /* axes */
+    if (ioctl(fd, UI_SET_RELBIT, REL_HWHEEL) == -1) goto error;
+
+    /* keys */
+    /* need some keys, otherwise evdev doesn't know how to use it */
+    if (ioctl(fd, UI_SET_KEYBIT, KEY_ENTER) == -1) goto error;
+
+
+    return 0;
+error:
+    perror("ioctl failed.");
+    return -1;
+}
+
+static int hwheel_run(int fd)
+{
+    send_event(fd, EV_REL, REL_WHEEL, -1);
+    syn(fd);
+    usleep(1000);
+    return 0;
+}
+
+static struct test_device hwheel_dev = {
+    .name  = "HWHEEL-only test device",
+    .setup = hwheel_setup,
+    .run   = hwheel_run,
+};
+
+
+struct test_device* get_device(void)
+{
+    return &hwheel_dev;
+}
+