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package main
// A simple program demonstrating the textarea component from the Bubbles
// component library.
import (
"fmt"
"log"
"github.com/charmbracelet/bubbles/textarea"
tea "github.com/charmbracelet/bubbletea"
)
func main() {
p := tea.NewProgram(initialModel())
if _, err := p.Run(); err != nil {
log.Fatal(err)
}
}
type errMsg error
type model struct {
textarea textarea.Model
err error
}
func initialModel() model {
ti := textarea.New()
ti.Placeholder = "Once upon a time..."
ti.Focus()
return model{
textarea: ti,
err: nil,
}
}
func (m model) Init() tea.Cmd {
return textarea.Blink
}
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
var cmds []tea.Cmd
var cmd tea.Cmd
switch msg := msg.(type) {
case tea.KeyMsg:
switch msg.Type {
case tea.KeyEsc:
if m.textarea.Focused() {
m.textarea.Blur()
}
case tea.KeyCtrlC:
return m, tea.Quit
default:
if !m.textarea.Focused() {
cmd = m.textarea.Focus()
cmds = append(cmds, cmd)
}
}
// We handle errors just like any other message
case errMsg:
m.err = msg
return m, nil
}
m.textarea, cmd = m.textarea.Update(msg)
cmds = append(cmds, cmd)
return m, tea.Batch(cmds...)
}
func (m model) View() string {
return fmt.Sprintf(
"Tell me a story.\n\n%s\n\n%s",
m.textarea.View(),
"(ctrl+c to quit)",
) + "\n\n"
}
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