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// Package input provides a shell script interface for the text input bubble.
// https://github.com/charmbracelet/bubbles/tree/master/textinput
//
// It can be used to prompt the user for some input. The text the user entered
// will be sent to stdout.
//
// $ gum input --placeholder "What's your favorite gum?" > answer.text
package input
import (
"github.com/charmbracelet/bubbles/help"
"github.com/charmbracelet/bubbles/key"
"github.com/charmbracelet/bubbles/textinput"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/lipgloss"
)
type keymap textinput.KeyMap
func defaultKeymap() keymap {
k := textinput.DefaultKeyMap
return keymap(k)
}
// FullHelp implements help.KeyMap.
func (k keymap) FullHelp() [][]key.Binding { return nil }
// ShortHelp implements help.KeyMap.
func (k keymap) ShortHelp() []key.Binding {
return []key.Binding{
key.NewBinding(
key.WithKeys("enter"),
key.WithHelp("enter", "submit"),
),
}
}
type model struct {
autoWidth bool
header string
padding []int
headerStyle lipgloss.Style
textinput textinput.Model
quitting bool
submitted bool
showHelp bool
help help.Model
keymap keymap
}
func (m model) Init() tea.Cmd { return textinput.Blink }
func (m model) View() string {
if m.quitting {
return ""
}
var parts []string
if m.header != "" {
parts = append(parts, m.headerStyle.Render(m.header))
}
parts = append(parts, m.textinput.View())
if m.showHelp {
parts = append(parts, "", m.help.View(m.keymap))
}
return lipgloss.NewStyle().
Padding(m.padding...).
Render(lipgloss.JoinVertical(
lipgloss.Top,
parts...,
))
}
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.WindowSizeMsg:
if m.autoWidth {
m.textinput.Width = msg.Width - 1 -
lipgloss.Width(m.textinput.Prompt) -
m.padding[1] - m.padding[3]
}
case tea.KeyMsg:
switch msg.String() {
case "ctrl+c":
m.quitting = true
return m, tea.Interrupt
case "esc":
m.quitting = true
return m, tea.Quit
case "enter":
m.quitting = true
m.submitted = true
return m, tea.Quit
}
}
var cmd tea.Cmd
m.textinput, cmd = m.textinput.Update(msg)
return m, cmd
}
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