-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathterminal.go
47 lines (43 loc) · 1.08 KB
/
terminal.go
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
package main
import (
"fmt"
"os"
"github.com/gdamore/tcell/v2"
"github.com/setlog/panik"
)
func selectOption(title string, options []string) int {
screen, err := tcell.NewScreen()
panik.OnError(err)
panik.OnError(screen.Init())
defStyle := tcell.StyleDefault.Background(tcell.ColorReset).Foreground(tcell.ColorReset)
screen.SetStyle(defStyle)
screen.Clear()
drawText(screen, 0, 0, defStyle, title)
for i, option := range options {
drawText(screen, 0, i+1, defStyle, fmt.Sprintf("%d. %s", i+1, option))
}
for {
screen.Show()
ev := screen.PollEvent()
switch ev := ev.(type) {
case *tcell.EventResize:
screen.Sync()
case *tcell.EventKey:
if ev.Key() == tcell.KeyEscape || ev.Key() == tcell.KeyCtrlC {
screen.Fini()
os.Exit(0)
} else if ev.Key() == tcell.KeyRune {
if ev.Rune() >= '1' && ev.Rune() <= rune('1'+len(options)-1) {
screen.Fini()
return int(ev.Rune() - '1')
}
}
}
}
}
func drawText(s tcell.Screen, x, y int, style tcell.Style, text string) {
for _, r := range []rune(text) {
s.SetContent(x, y, r, nil, style)
x++
}
}