1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
// Copyright 2019-2022 Graham Clark. All rights reserved. Use of this source code is governed by the MIT license
// that can be found in the LICENSE file.
// The fifth example from the gowid tutorial.
package main
import (
"fmt"
"github.com/gcla/gowid"
"github.com/gcla/gowid/examples"
"github.com/gcla/gowid/widgets/button"
"github.com/gcla/gowid/widgets/divider"
"github.com/gcla/gowid/widgets/edit"
"github.com/gcla/gowid/widgets/pile"
"github.com/gcla/gowid/widgets/styled"
"github.com/gcla/gowid/widgets/text"
)
//======================================================================
func main() {
ask := edit.New(edit.Options{Caption: "What is your name?\n"})
reply := text.New("")
btn := button.New(text.New("Exit"))
sbtn := styled.New(btn, gowid.MakeStyledAs(gowid.StyleReverse))
div := divider.NewBlank()
btn.OnClick(gowid.WidgetCallback{"cb", func(app gowid.IApp, w gowid.IWidget) {
app.Quit()
}})
ask.OnTextSet(gowid.WidgetCallback{"cb", func(app gowid.IApp, w gowid.IWidget) {
if ask.Text() == "" {
reply.SetText("", app)
} else {
reply.SetText(fmt.Sprintf("Nice to meet you, %s", ask.Text()), app)
}
}})
f := gowid.RenderFlow{}
view := pile.New([]gowid.IContainerWidget{
&gowid.ContainerWidget{IWidget: ask, D: f},
&gowid.ContainerWidget{IWidget: div, D: f},
&gowid.ContainerWidget{IWidget: reply, D: f},
&gowid.ContainerWidget{IWidget: div, D: f},
&gowid.ContainerWidget{IWidget: sbtn, D: f},
})
app, err := gowid.NewApp(gowid.AppArgs{View: view})
examples.ExitOnErr(err)
app.SimpleMainLoop()
}
//======================================================================
// Local Variables:
// mode: Go
// fill-column: 110
// End:
|
