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diff --git a/vendor/maunium.net/go/tcell/event.go b/vendor/maunium.net/go/tcell/event.go
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+// 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"
+)
+
+// Event is a generic interface used for passing around Events.
+// Concrete types follow.
+type Event interface {
+ // When reports the time when the event was generated.
+ When() time.Time
+}
+
+// EventTime is a simple base event class, suitable for easy reuse.
+// It can be used to deliver actual timer events as well.
+type EventTime struct {
+ when time.Time
+}
+
+// When returns the time stamp when the event occurred.
+func (e *EventTime) When() time.Time {
+ return e.when
+}
+
+// SetEventTime sets the time of occurrence for the event.
+func (e *EventTime) SetEventTime(t time.Time) {
+ e.when = t
+}
+
+// SetEventNow sets the time of occurrence for the event to the current time.
+func (e *EventTime) SetEventNow() {
+ e.SetEventTime(time.Now())
+}
+
+// EventHandler is anything that handles events. If the handler has
+// consumed the event, it should return true. False otherwise.
+type EventHandler interface {
+ HandleEvent(Event) bool
+}