Continue the implementation of trigger rules (ex scene rules)

pkg/streamd/config/event/eventquery/event_query.go

@@ -0,0 +1,27 @@
+package eventquery
+
+import (
+	"github.com/xaionaro-go/streamctl/pkg/serializable"
+	"github.com/xaionaro-go/streamctl/pkg/streamd/config/event"
+)
+
+func init() {
+	serializable.RegisterType[EventType[event.WindowFocusChange]]()
+}
+
+type EventQuery interface {
+	Match(event.Event) bool
+}
+
+type Event serializable.Serializable[event.Event]
+
+func (ev Event) Match(cmp event.Event) bool {
+	return ev.Value == cmp
+}
+
+type EventType[T event.Event] struct{}
+
+func (EventType[T]) Match(ev event.Event) bool {
+	_, ok := ev.(T)
+	return ok
+}