54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
|
// 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
|
||
|
|
}
|