[PATCH evdev 3/7] take the tracking ID event into account

[Benjamin Tissoires]

Signed-off-by: Benjamin Tissoires <tissoire at cena.fr>
---
 src/evdev.c |   18 +++++++++++++++++-
 1 files changed, 17 insertions(+), 1 deletions(-)

diff --git a/src/evdev.c b/src/evdev.c
index 470a3f7..bf0b792 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -677,6 +677,18 @@ EvdevProcessSyncEvent(InputInfoPtr pInfo, struct input_event *ev)
 }
 
 /**
+ * Take the trackingID input event and process it accordingly.
+ */
+static void
+EvdevProcessTrackingIDEvent(InputInfoPtr pInfo, struct input_event *ev)
+{
+    // begining of a new touch
+    EvdevPtr pEvdev = pInfo->private;
+
+    pEvdev->current_id = ev->value;
+}
+
+/**
  * Process the events from the device; nothing is actually posted to the server
  * until an EV_SYN event is received.
  */
@@ -688,7 +700,11 @@ EvdevProcessEvent(InputInfoPtr pInfo, struct input_event *ev)
             EvdevProcessRelativeMotionEvent(pInfo, ev);
             break;
         case EV_ABS:
-            EvdevProcessAbsoluteMotionEvent(pInfo, ev);
+            if (ev->code == ABS_MT_TRACKING_ID){
+                EvdevProcessTrackingIDEvent(pInfo, ev);
+            } else {
+                EvdevProcessAbsoluteMotionEvent(pInfo, ev);
+            }
             break;
         case EV_KEY:
             EvdevProcessKeyEvent(pInfo, ev);
-- 
1.6.5.2


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