-
Notifications
You must be signed in to change notification settings - Fork 718
/
main.go
109 lines (87 loc) · 2.04 KB
/
main.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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
package main
// A simple program demonstrating the text area component from the Bubbles
// component library.
import (
"fmt"
"log"
"strings"
"github.com/charmbracelet/bubbles/textarea"
"github.com/charmbracelet/bubbles/viewport"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
)
func main() {
p := tea.NewProgram(initialModel())
if _, err := p.Run(); err != nil {
log.Fatal(err)
}
}
type (
errMsg error
)
type model struct {
viewport viewport.Model
messages []string
textarea textarea.Model
senderStyle lipgloss.Style
err error
}
func initialModel() model {
ta := textarea.New()
ta.Placeholder = "Send a message..."
ta.Focus()
ta.Prompt = "┃ "
ta.CharLimit = 280
ta.SetWidth(30)
ta.SetHeight(3)
// Remove cursor line styling
ta.FocusedStyle.CursorLine = lipgloss.NewStyle()
ta.ShowLineNumbers = false
vp := viewport.New(30, 5)
vp.SetContent(`Welcome to the chat room!
Type a message and press Enter to send.`)
ta.KeyMap.InsertNewline.SetEnabled(false)
return model{
textarea: ta,
messages: []string{},
viewport: vp,
senderStyle: lipgloss.NewStyle().Foreground(lipgloss.Color("5")),
err: nil,
}
}
func (m model) Init() tea.Cmd {
return textarea.Blink
}
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
var (
tiCmd tea.Cmd
vpCmd tea.Cmd
)
m.textarea, tiCmd = m.textarea.Update(msg)
m.viewport, vpCmd = m.viewport.Update(msg)
switch msg := msg.(type) {
case tea.KeyMsg:
switch msg.String() {
case "ctrl+c", "esc":
fmt.Println(m.textarea.Value())
return m, tea.Quit
case "enter":
m.messages = append(m.messages, m.senderStyle.Render("You: ")+m.textarea.Value())
m.viewport.SetContent(strings.Join(m.messages, "\n"))
m.textarea.Reset()
m.viewport.GotoBottom()
}
// We handle errors just like any other message
case errMsg:
m.err = msg
return m, nil
}
return m, tea.Batch(tiCmd, vpCmd)
}
func (m model) View() string {
return fmt.Sprintf(
"%s\n\n%s",
m.viewport.View(),
m.textarea.View(),
) + "\n\n"
}