comma: detected single frame released events (#8)

src/platforms/rcore_comma.c

@@ -628,6 +628,8 @@ void PollInputEvents(void) {
   CORE.Input.Mouse.previousPosition = CORE.Input.Mouse.currentPosition;
   CORE.Input.Touch.pointCount = 0;
 
+  int released_detected = 0;
+
   struct input_event event = {0};
   while (read(platform.touch.fd, &event, sizeof(struct input_event)) == sizeof(struct input_event)) {
     if (event.type == SYN_REPORT) { // synchronization frame. Expose completed events back to the library
@@ -647,6 +649,9 @@ void PollInputEvents(void) {
           }
 
         } else if (platform.touch.fingers[i].action == TOUCH_ACTION_UP) {
+          if (CORE.Input.Touch.currentTouchState[i] == 1) {
+            released_detected = 1;
+          }
           CORE.Input.Touch.position[i].x = -1;
           CORE.Input.Touch.position[i].y = -1;
           CORE.Input.Touch.currentTouchState[i] = 0;
@@ -667,6 +672,12 @@ void PollInputEvents(void) {
     }
   }
 
+  // hack for now to detect gestures in single frame
+  if (released_detected) {
+    CORE.Input.Touch.previousTouchState[0] = 1;
+    CORE.Input.Touch.currentTouchState[0] = 0;
+  }
+
   // count how many fingers are left on the screen after processing all events
   for (int i = 0; i < MAX_TOUCH_POINTS; ++i) {
     CORE.Input.Touch.pointCount += platform.touch.fingers[i].action != TOUCH_ACTION_UP;