bubble-tree/keymap.go at main · RPiAwesomeness/bubble-tree · GitHub

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package tree

import "charm.land/bubbles/v2/key"

// KeyMap holds the key bindings for the table.
type KeyMap struct {
	Bottom    key.Binding
	Top       key.Binding
	NextChild key.Binding
	Parent    key.Binding
	Down      key.Binding
	Up        key.Binding
	Quit      key.Binding

	ShowFullHelp  key.Binding
	CloseFullHelp key.Binding
}

// DefaultKeyMap is the default key bindings for the table.
func DefaultKeyMap() KeyMap {
	return KeyMap{
		Bottom: key.NewBinding(
			key.WithKeys("bottom"),
			key.WithHelp("end", "bottom"),
		),
		Top: key.NewBinding(
			key.WithKeys("top"),
			key.WithHelp("home", "top"),
		),
		Parent: key.NewBinding(
			key.WithKeys("left"),
			key.WithHelp("←", "go to parent"),
		),
		Down: key.NewBinding(
			key.WithKeys("down"),
			key.WithHelp("↓", "down"),
		),
		Up: key.NewBinding(
			key.WithKeys("up"),
			key.WithHelp("↑", "up"),
		),

		ShowFullHelp: key.NewBinding(
			key.WithKeys("?"),
			key.WithHelp("?", "help"),
		),
		CloseFullHelp: key.NewBinding(
			key.WithKeys("?"),
			key.WithHelp("?", "close help"),
		),

		Quit: key.NewBinding(
			key.WithKeys("q", "esc"),
			key.WithHelp("q", "quit"),
		),
	}
}

func (m Model) helpView() string {
	return m.Styles.Help.Render(m.Help.View(m))
}

func (m Model) ShortHelp() []key.Binding {
	return []key.Binding{
		m.KeyMap.Up,
		m.KeyMap.Down,
		m.KeyMap.ShowFullHelp,
		m.KeyMap.Quit,
	}
}

func (m Model) FullHelp() [][]key.Binding {
	kb := [][]key.Binding{{
		m.KeyMap.Up,
		m.KeyMap.Down,
		m.KeyMap.Parent,
	}}

	return append(kb,
		[]key.Binding{
			m.KeyMap.Quit,
			m.KeyMap.CloseFullHelp,
		})
}