forked from Mirrors/bubbletea
95 lines
1.5 KiB
Go
95 lines
1.5 KiB
Go
package main
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// A simple program demonstrating the spinner component from the Bubbles
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// component library.
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import (
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"fmt"
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"os"
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"github.com/charmbracelet/bubbles/spinner"
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tea "github.com/charmbracelet/bubbletea"
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"github.com/muesli/termenv"
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)
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var (
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color = termenv.ColorProfile()
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)
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type Model struct {
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spinner spinner.Model
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quitting bool
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err error
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}
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type errMsg error
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func main() {
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p := tea.NewProgram(initialize, update, view)
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if err := p.Start(); err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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}
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func initialize() (tea.Model, tea.Cmd) {
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s := spinner.NewModel()
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s.Frames = spinner.Dot
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return Model{
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spinner: s,
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}, spinner.Tick(s)
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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, ok := model.(Model)
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if !ok {
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return model, nil
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}
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switch msg := msg.(type) {
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case tea.KeyMsg:
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switch msg.String() {
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case "q":
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fallthrough
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case "esc":
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fallthrough
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case "ctrl+c":
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m.quitting = true
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return m, tea.Quit
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default:
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return m, nil
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}
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case errMsg:
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m.err = msg
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return m, nil
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default:
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var cmd tea.Cmd
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m.spinner, cmd = spinner.Update(msg, m.spinner)
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return m, cmd
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}
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}
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func view(model tea.Model) string {
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m, ok := model.(Model)
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if !ok {
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return "could not perform assertion on model in view\n"
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}
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if m.err != nil {
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return m.err.Error()
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}
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s := termenv.
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String(spinner.View(m.spinner)).
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Foreground(color.Color("205")).
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String()
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str := fmt.Sprintf("\n\n %s Loading forever...press q to quit\n\n", s)
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if m.quitting {
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return str + "\n"
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}
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return str
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}
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