forked from Mirrors/bubbletea
64 lines
1.0 KiB
Go
64 lines
1.0 KiB
Go
package input
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import (
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"tea"
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"time"
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)
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type Model struct {
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Prompt string
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Value string
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Cursor string
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HiddenCursor string
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Blink bool
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BlinkSpeed time.Duration
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}
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type CursorBlinkMsg struct{}
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func DefaultModel() Model {
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return Model{
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Prompt: "> ",
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Value: "",
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Cursor: "█",
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HiddenCursor: " ",
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Blink: false,
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BlinkSpeed: time.Second,
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}
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}
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func Update(msg tea.Msg, m Model) (Model, tea.Cmd) {
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switch msg := msg.(type) {
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case tea.KeyMsg:
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switch msg.Type {
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case tea.KeyBackspace:
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if len(m.Value) > 0 {
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m.Value = m.Value[:len(m.Value)-1]
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}
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case tea.KeyRune:
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m.Value = m.Value + msg.String()
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}
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case CursorBlinkMsg:
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m.Blink = !m.Blink
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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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cursor := m.Cursor
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if m.Blink {
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cursor = m.HiddenCursor
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}
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return m.Prompt + m.Value + cursor
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}
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func Blink(model tea.Model) tea.Msg {
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m, _ := model.(Model)
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time.Sleep(m.BlinkSpeed)
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return CursorBlinkMsg{}
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}
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