1 files changed, 3 insertions, 1 deletions

diff --git a/src/state.h b/src/state.h
index 65ae581..5a59192 100644
--- a/src/state.h
+++ b/src/state.h
@@ -6,6 +6,7 @@
 
 ////////////////////////////////////////////////////////
 
+/* zero id means not mapped (not touching) */
 struct FingerState {
         struct FingerData hw;
         int id;
@@ -17,7 +18,7 @@ struct State {
         struct FingerState finger[DIM_FINGER];
         button_t button;
         int nfinger;
-        int nextid;
+        int lastid;
 };
 
 ////////////////////////////////////////////////////////
@@ -29,6 +30,7 @@ void modify_state(struct State *s,
 void output_state(const struct State *s);
 
 const struct FingerState *find_finger(const struct State *s, int id);
+int count_fingers(const struct State *s);
 
 ////////////////////////////////////////////////////////