add barebones listdelegate

ui/listdelegate.go

@@ -0,0 +1,46 @@
+package ui
+
+import (
+	"io"
+
+	"github.com/charmbracelet/bubbles/key"
+	"github.com/charmbracelet/bubbles/list"
+	tea "github.com/charmbracelet/bubbletea"
+)
+
+type selectableDelegate struct{}
+
+func (s selectableDelegate) Height() int { return 1 }
+
+func (s selectableDelegate) Spacing() int {
+	return 1
+}
+
+func (s selectableDelegate) Update(msg tea.Msg, m *list.Model) tea.Cmd {
+	return nil
+}
+
+func (s selectableDelegate) Render(w io.Writer, m list.Model, index int, item list.Item) {
+	x, ok := item.(selectable)
+	if !ok {
+		return
+	}
+	if x.selected {
+		w.Write([]byte(" [X] " + x.text))
+	} else {
+		w.Write([]byte(" [ ] " + x.text))
+	}
+}
+
+type delegateKeyMap struct {
+	toggle key.Binding
+}
+
+func newDelegateKeyMap() *delegateKeyMap {
+	return &delegateKeyMap{
+		toggle: key.NewBinding(
+			key.WithKeys("space"),
+			key.WithHelp("space", "choose"),
+		),
+	}
+}