forked from Mirrors/bubbletea
73 lines
1.0 KiB
Go
73 lines
1.0 KiB
Go
package main
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import (
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"fmt"
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"tea"
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)
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type Model int
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func main() {
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p := tea.NewProgram(0, update, view)
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p.Start()
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}
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func update(msg tea.Msg, model tea.Model) (tea.Model, tea.Cmd) {
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m, _ := model.(Model)
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switch msg := msg.(type) {
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case tea.KeyPressMsg:
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switch msg {
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case "j":
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fallthrough
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case "down":
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m += 1
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if m > 3 {
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m = 3
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}
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case "k":
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fallthrough
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case "up":
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m -= 1
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if m < 0 {
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m = 0
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}
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case "q":
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fallthrough
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case "esc":
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return m, tea.Quit
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}
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}
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return m, nil
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}
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func view(model tea.Model) string {
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m, _ := model.(Model)
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choices := fmt.Sprintf(
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"%s\n%s\n%s\n%s",
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checkbox("Plant carrots", m == 0),
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checkbox("Go to the market", m == 1),
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checkbox("Read something", m == 2),
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checkbox("See friends", m == 3),
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)
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return fmt.Sprintf(
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"What to do today?\n\n%s\n\n(press j/k or up/down to select, q or esc to quit)",
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choices,
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)
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}
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func checkbox(label string, checked bool) string {
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check := " "
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if checked {
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check = "x"
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}
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return fmt.Sprintf("[%s] %s", check, label)
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}
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