mtdev-test: output MT event support

At startup, output the MT events supported by the device.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 23 insertions, 0 deletions

diff --git a/test/mtdev-test.c b/test/mtdev-test.c
index b8e56d5..1b3e4f2 100644
--- a/test/mtdev-test.c
+++ b/test/mtdev-test.c
@@ -54,6 +54,28 @@ static void print_event(const struct input_event *ev)
                 evtime, slot, ev->type, ev->code, ev->value);
 }
 
+#define CHECK(dev, name)                        \
+        if (mtdev_has_mt_event(dev, name))      \
+                fprintf(stderr, "   %s\n", #name)
+
+static void show_props(const struct mtdev *dev)
+{
+        fprintf(stderr, "supported mt events:\n");
+        CHECK(dev, ABS_MT_SLOT);
+        CHECK(dev, ABS_MT_TOUCH_MAJOR);
+        CHECK(dev, ABS_MT_TOUCH_MINOR);
+        CHECK(dev, ABS_MT_WIDTH_MAJOR);
+        CHECK(dev, ABS_MT_WIDTH_MINOR);
+        CHECK(dev, ABS_MT_ORIENTATION);
+        CHECK(dev, ABS_MT_POSITION_X);
+        CHECK(dev, ABS_MT_POSITION_Y);
+        CHECK(dev, ABS_MT_TOOL_TYPE);
+        CHECK(dev, ABS_MT_BLOB_ID);
+        CHECK(dev, ABS_MT_TRACKING_ID);
+        CHECK(dev, ABS_MT_PRESSURE);
+        CHECK(dev, ABS_MT_DISTANCE);
+}
+
 static void loop_device(int fd)
 {
         struct mtdev dev;
@@ -63,6 +85,7 @@ static void loop_device(int fd)
                 fprintf(stderr, "error: could not open device: %d\n", ret);
                 return;
         }
+        show_props(&dev);
         /* while the device has not been inactive for five seconds */
         while (!mtdev_idle(&dev, fd, 5000)) {
                 /* extract all available processed events */