Event class added to misc.

defaultkwarg subs added. iniitialize event subscriptions.

base class observable thread now checks for currently registered events.

make capi call if polling strip/bus levels and ldirty not in events.

voicemeeterlib/misc.py

@@ -250,3 +250,45 @@ class Midi:
 
     def _set(self, key: int, velocity: int):
         self.cache[key] = velocity
+
+
+class Event:
+    def __init__(self, subs: dict):
+        self.subs = subs
+
+    def info(self, msg):
+        info = (
+            f"{msg} events",
+            f"Now listening for {', '.join(self.get())} events",
+        )
+        print("\n".join(info))
+
+    @property
+    def pdirty(self):
+        return self.subs["pdirty"]
+
+    @property
+    def mdirty(self):
+        return self.subs["mdirty"]
+
+    @property
+    def midi(self):
+        return self.subs["midi"]
+
+    @property
+    def ldirty(self):
+        return self.subs["ldirty"]
+
+    def get(self) -> list:
+        return [k for k, v in self.subs.items() if v]
+
+    def any(self) -> bool:
+        return any(self.subs.values())
+
+    def add(self, event):
+        self.subs[event] = True
+        self.info(f"{event} added to")
+
+    def remove(self, event):
+        self.subs[event] = False
+        self.info(f"{event} removed from")