Files
ilovetui/examples/modal/main.go
T
Hadi aa6496901f up
Signed-off-by: Hadi <hadi@example.fr>
2026-08-18 16:15:03 +02:00

112 lines
2.8 KiB
Go

package main
import (
"fmt"
"os"
tea "charm.land/bubbletea/v2"
"charm.land/lipgloss/v2"
"github.com/anotherhadi/ilovetui/modal"
"github.com/anotherhadi/ilovetui/style"
)
// confirmedMsg is what the confirmation modal reports back with. The app
// listens for it like any other message - it never holds a reference to the
// modal, and the modal never knows what confirming means.
type confirmedMsg struct{}
// confirm is the modal's content: a model, so it owns its own keys. The host
// no longer has to ask which modal is on top to know where "y" should go.
type confirm struct{}
func (c confirm) Init() tea.Cmd { return nil }
func (c confirm) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if k, ok := msg.(tea.KeyPressMsg); ok && k.String() == "y" {
// Report back and close itself: Close() is a package-level command,
// so the content needs no reference to the modal.Model either.
return c, tea.Batch(
func() tea.Msg { return confirmedMsg{} },
modal.Close(),
)
}
return c, nil
}
func (c confirm) View() tea.View {
return tea.NewView("This can't be undone.\n\ny: confirm esc: cancel")
}
type model struct {
m modal.Model
deleted bool
width, height int
}
func newModel() model {
return model{m: modal.New()}
}
func (m model) Init() tea.Cmd { return m.m.Init() }
func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
switch msg := msg.(type) {
case tea.WindowSizeMsg:
m.width, m.height = msg.Width, msg.Height
return m, nil
case confirmedMsg:
m.deleted = true
return m, nil
case tea.KeyPressMsg:
switch msg.String() {
case "ctrl+c", "q":
return m, tea.Quit
case "m":
return m, modal.Show("Delete file?", confirm{})
case "n":
if m.m.Open() {
return m, modal.Show("Really sure?", modal.Text("There's no undo for this one either."))
}
case "esc":
if m.m.Open() {
return m, modal.Close()
}
}
}
var cmd tea.Cmd
m.m, cmd = m.m.Update(msg)
return m, cmd
}
func (m model) View() tea.View {
title := lipgloss.NewStyle().Bold(true).Foreground(style.S.Primary).Render("My App")
text := "Some regular content, styled with theme colors,\nso you can see it turn flat gray behind the modal."
if m.deleted {
text = "File deleted - the modal's content reported back\nwith its own message, and closed itself."
}
body := lipgloss.NewStyle().Foreground(style.S.Text).Render(text)
help := lipgloss.NewStyle().Foreground(style.S.Subtle).Render(
"m: open modal n: open nested modal y: confirm esc: cancel q: quit")
background := lipgloss.Place(m.width, m.height, lipgloss.Center, lipgloss.Center,
lipgloss.JoinVertical(lipgloss.Center, title, "", body, "", help))
view := tea.NewView(m.m.Render(background))
view.AltScreen = true
return view
}
func main() {
if _, err := tea.NewProgram(newModel()).Run(); err != nil {
fmt.Println("Error running program:", err)
os.Exit(1)
}
}