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Moving formdemo out of this branch.

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Jakub Sobon 2020-11-28 13:31:47 -05:00
parent 41f0ca8baf
commit 93438e3ef9
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widgets/button/formdemo/formdemo.go
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@ -1,163 +0,0 @@
// 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 buttondemo shows the functionality of a button widget.
package main
import (
"context"
"fmt"
"time"
"github.com/mum4k/termdash"
"github.com/mum4k/termdash/align"
"github.com/mum4k/termdash/cell"
"github.com/mum4k/termdash/container"
"github.com/mum4k/termdash/linestyle"
"github.com/mum4k/termdash/terminal/tcell"
"github.com/mum4k/termdash/terminal/terminalapi"
"github.com/mum4k/termdash/widgets/button"
"github.com/mum4k/termdash/widgets/segmentdisplay"
)
// buttonChunks creates the text chunks for a button from the provided text.
func buttonChunks(text string) []*button.TextChunk {
if len(text) == 0 {
return nil
}
first := string(text[0])
rest := string(text[1:])
return []*button.TextChunk{
button.NewChunk(
"<",
button.TextCellOpts(cell.FgColor(cell.ColorWhite)),
button.FocusedTextCellOpts(cell.FgColor(cell.ColorBlack)),
button.PressedTextCellOpts(cell.FgColor(cell.ColorBlack)),
),
button.NewChunk(
first,
button.TextCellOpts(cell.FgColor(cell.ColorRed)),
),
button.NewChunk(
rest,
button.TextCellOpts(cell.FgColor(cell.ColorWhite)),
button.FocusedTextCellOpts(cell.FgColor(cell.ColorBlack)),
button.PressedTextCellOpts(cell.FgColor(cell.ColorBlack)),
),
button.NewChunk(
">",
button.TextCellOpts(cell.FgColor(cell.ColorWhite)),
button.FocusedTextCellOpts(cell.FgColor(cell.ColorBlack)),
button.PressedTextCellOpts(cell.FgColor(cell.ColorBlack)),
),
}
}
func main() {
t, err := tcell.New()
if err != nil {
panic(err)
}
defer t.Close()
ctx, cancel := context.WithCancel(context.Background())
val := 0
display, err := segmentdisplay.New()
if err != nil {
panic(err)
}
if err := display.Write([]*segmentdisplay.TextChunk{
segmentdisplay.NewChunk(fmt.Sprintf("%d", val)),
}); err != nil {
panic(err)
}
addB, err := button.NewFromChunks(buttonChunks("Submit"), func() error {
val++
return display.Write([]*segmentdisplay.TextChunk{
segmentdisplay.NewChunk(fmt.Sprintf("%d", val)),
})
},
button.GlobalKeys('s', 'S'),
button.DisableShadow(),
button.Height(1),
button.TextHorizontalPadding(0),
button.FillColor(cell.ColorBlack),
button.FocusedFillColor(cell.ColorNumber(117)),
button.PressedFillColor(cell.ColorNumber(220)),
)
if err != nil {
panic(err)
}
subB, err := button.NewFromChunks(buttonChunks("Cancel"), func() error {
val--
return display.Write([]*segmentdisplay.TextChunk{
segmentdisplay.NewChunk(fmt.Sprintf("%d", val)),
})
},
button.FillColor(cell.ColorNumber(220)),
button.GlobalKeys('c', 'C'),
button.DisableShadow(),
button.Height(1),
button.TextHorizontalPadding(0),
button.FillColor(cell.ColorBlack),
button.FocusedFillColor(cell.ColorNumber(117)),
button.PressedFillColor(cell.ColorNumber(220)),
)
if err != nil {
panic(err)
}
c, err := container.New(
t,
container.Border(linestyle.Light),
container.BorderTitle("PRESS Q TO QUIT"),
container.SplitHorizontal(
container.Top(
container.PlaceWidget(display),
),
container.Bottom(
container.SplitVertical(
container.Left(
container.PlaceWidget(addB),
container.AlignHorizontal(align.HorizontalRight),
container.PaddingRight(5),
),
container.Right(
container.PlaceWidget(subB),
container.AlignHorizontal(align.HorizontalLeft),
container.PaddingLeft(5),
),
),
),
container.SplitPercent(60),
),
)
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(100*time.Millisecond)); err != nil {
panic(err)
}
}