use tcell via porting over code from awesome-gocui

vendor/github.com/gdamore/tcell/v2/interrupt.go

@@ -0,0 +1,41 @@
+// Copyright 2015 The TCell Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use file except in compliance with the License.
+// You may obtain a copy of the license at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package tcell
+
+import (
+	"time"
+)
+
+// EventInterrupt is a generic wakeup event.  Its can be used to
+// to request a redraw.  It can carry an arbitrary payload, as well.
+type EventInterrupt struct {
+	t time.Time
+	v interface{}
+}
+
+// When returns the time when this event was created.
+func (ev *EventInterrupt) When() time.Time {
+	return ev.t
+}
+
+// Data is used to obtain the opaque event payload.
+func (ev *EventInterrupt) Data() interface{} {
+	return ev.v
+}
+
+// NewEventInterrupt creates an EventInterrupt with the given payload.
+func NewEventInterrupt(data interface{}) *EventInterrupt {
+	return &EventInterrupt{t: time.Now(), v: data}
+}