mirror of https://github.com/mum4k/termdash.git
117 lines
2.8 KiB
Go
117 lines
2.8 KiB
Go
// Copyright 2019 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Binary buttondemo shows the functionality of a button widget.
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package main
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import (
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"context"
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"fmt"
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"time"
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"github.com/mum4k/termdash"
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"github.com/mum4k/termdash/align"
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"github.com/mum4k/termdash/cell"
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"github.com/mum4k/termdash/container"
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"github.com/mum4k/termdash/linestyle"
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"github.com/mum4k/termdash/terminal/termbox"
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"github.com/mum4k/termdash/terminal/terminalapi"
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"github.com/mum4k/termdash/widgets/button"
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"github.com/mum4k/termdash/widgets/segmentdisplay"
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)
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func main() {
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t, err := termbox.New()
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if err != nil {
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panic(err)
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}
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defer t.Close()
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ctx, cancel := context.WithCancel(context.Background())
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val := 0
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display, err := segmentdisplay.New()
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if err != nil {
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panic(err)
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}
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if err := display.Write([]*segmentdisplay.TextChunk{
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segmentdisplay.NewChunk(fmt.Sprintf("%d", val)),
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}); err != nil {
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panic(err)
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}
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addB, err := button.New("(a)dd", func() error {
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val++
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return display.Write([]*segmentdisplay.TextChunk{
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segmentdisplay.NewChunk(fmt.Sprintf("%d", val)),
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})
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},
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button.GlobalKey('a'),
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button.WidthFor("(s)ubtract"),
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)
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if err != nil {
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panic(err)
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}
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subB, err := button.New("(s)ubtract", func() error {
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val--
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return display.Write([]*segmentdisplay.TextChunk{
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segmentdisplay.NewChunk(fmt.Sprintf("%d", val)),
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})
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},
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button.FillColor(cell.ColorNumber(220)),
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button.GlobalKey('s'),
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)
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if err != nil {
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panic(err)
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}
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c, err := container.New(
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t,
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container.Border(linestyle.Light),
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container.BorderTitle("PRESS Q TO QUIT"),
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container.SplitHorizontal(
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container.Top(
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container.PlaceWidget(display),
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),
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container.Bottom(
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container.SplitVertical(
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container.Left(
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container.PlaceWidget(addB),
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container.AlignHorizontal(align.HorizontalRight),
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),
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container.Right(
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container.PlaceWidget(subB),
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container.AlignHorizontal(align.HorizontalLeft),
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),
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),
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),
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container.SplitPercent(60),
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),
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)
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if err != nil {
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panic(err)
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}
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quitter := func(k *terminalapi.Keyboard) {
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if k.Key == 'q' || k.Key == 'Q' {
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cancel()
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}
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}
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if err := termdash.Run(ctx, t, c, termdash.KeyboardSubscriber(quitter), termdash.RedrawInterval(100*time.Millisecond)); err != nil {
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panic(err)
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}
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}
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