mirror of
https://github.com/mum4k/termdash.git
synced 2025-04-27 13:48:49 +08:00
83 lines
2.0 KiB
Go
83 lines
2.0 KiB
Go
// Copyright 2019 Google Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this 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.
|
|
|
|
// Binary segmentdisplaydemo shows the functionality of a segment display.
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"time"
|
|
|
|
"github.com/mum4k/termdash"
|
|
"github.com/mum4k/termdash/container"
|
|
"github.com/mum4k/termdash/draw"
|
|
"github.com/mum4k/termdash/terminal/termbox"
|
|
"github.com/mum4k/termdash/terminalapi"
|
|
"github.com/mum4k/termdash/widgets/segmentdisplay"
|
|
)
|
|
|
|
// clock displays the current time on the segment display.
|
|
// Exists when the context expires.
|
|
func clock(ctx context.Context, sd *segmentdisplay.SegmentDisplay) {
|
|
ticker := time.NewTicker(1 * time.Second)
|
|
defer ticker.Stop()
|
|
for {
|
|
select {
|
|
case <-ticker.C:
|
|
now := segmentdisplay.NewChunk(time.Now().Format("150405"))
|
|
if err := sd.Write([]*segmentdisplay.TextChunk{now}); err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
case <-ctx.Done():
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
t, err := termbox.New()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer t.Close()
|
|
|
|
ctx, cancel := context.WithCancel(context.Background())
|
|
sd, err := segmentdisplay.New()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
go clock(ctx, sd)
|
|
|
|
c, err := container.New(
|
|
t,
|
|
container.Border(draw.LineStyleLight),
|
|
container.BorderTitle("PRESS Q TO QUIT"),
|
|
container.PlaceWidget(sd),
|
|
)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
quitter := func(k *terminalapi.Keyboard) {
|
|
if k.Key == 'q' || k.Key == 'Q' {
|
|
cancel()
|
|
}
|
|
}
|
|
|
|
if err := termdash.Run(ctx, t, c, termdash.KeyboardSubscriber(quitter), termdash.RedrawInterval(1*time.Second)); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|