Refactor parsor memory usage

Add the bitmasks "fingers" and "added" to parsor memory, and extend
time handling to use a hold time and a forget time.

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

1 files changed, 18 insertions, 2 deletions

diff --git a/src/memory.h b/src/memory.h
index 9810b81..cc7bf55 100644
--- a/src/memory.h
+++ b/src/memory.h
@@ -29,20 +29,24 @@
  *
  * @btdata: logical finger state
  * @same: true if the finger configuration is unchanged
+ * @fingers: bitmask of fingers on the pad
+ * @added: bitmask of new fingers on the pad
  * @pointing: bitmask of pointing fingers
  * @pending: bitmask of tentatively moving fingers
  * @moving: bitmask of moving fingers
  * @ybar: vertical position on pad marking the clicking area
- * @move_time: movement before this point in time is accumulated
+ * @mvhold: movement before this point in time is accumulated
+ * @mvforget: movement before this point in time is discarded
  * @dx: array of accumulated horiontal movement per finger
  * @dy: array of accumulated vertical movement per finger
  *
  */
 struct Memory {
 	unsigned btdata, same;
+	unsigned fingers, added;
 	unsigned pointing, pending, moving;
 	int ybar;
-	mstime_t move_time;
+	mstime_t mvhold, mvforget;
 	int dx[DIM_FINGER], dy[DIM_FINGER];
 };
 
@@ -53,4 +57,16 @@ void refresh_memory(struct Memory *m,
 		    const struct Capabilities *caps);
 void output_memory(const struct Memory *m);
 
+static inline void mem_hold_movement(struct Memory *m, mstime_t t)
+{
+	if (t > m->mvhold)
+		m->mvhold = t;
+}
+
+static inline void mem_forget_movement(struct Memory *m, mstime_t t)
+{
+	if (t > m->mvforget)
+		m->mvforget = t;
+}
+
 #endif