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Hadi
78 lines
2.4 KiB
Go
78 lines
2.4 KiB
Go
package layout
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import "charm.land/bubbles/v2/key"
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// KeyMap holds the bindings Model itself reacts to: directional focus
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// movement and toggling the help bar. A pane's own bindings are separate
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// (see HelpProvider) - these are only the ones layout intercepts before a
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// key ever reaches the focused pane.
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type KeyMap struct {
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FocusLeft key.Binding
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FocusRight key.Binding
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FocusUp key.Binding
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FocusDown key.Binding
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ToggleHelp key.Binding
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// ShowFocusInShortHelp also lists ctrl+hjkl on the short help line, not
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// just the full one. Off by default (see DefaultKeyMap): the four
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// bindings crowd a single line for little gain, since they're always
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// one '?' away in the full view regardless. Set it on a KeyMap passed
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// to WithKeyMap to opt back in.
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ShowFocusInShortHelp bool
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}
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// DefaultKeyMap returns the standard tmux/vim-style bindings: ctrl+h/j/k/l
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// to move focus, ? to toggle the help bar.
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func DefaultKeyMap() KeyMap {
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return KeyMap{
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FocusLeft: key.NewBinding(
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key.WithKeys("ctrl+h"),
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key.WithHelp("ctrl+h", "focus left"),
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),
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FocusRight: key.NewBinding(
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key.WithKeys("ctrl+l"),
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key.WithHelp("ctrl+l", "focus right"),
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),
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FocusUp: key.NewBinding(
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key.WithKeys("ctrl+k"),
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key.WithHelp("ctrl+k", "focus up"),
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),
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FocusDown: key.NewBinding(
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key.WithKeys("ctrl+j"),
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key.WithHelp("ctrl+j", "focus down"),
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),
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ToggleHelp: key.NewBinding(
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key.WithKeys("?"),
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key.WithHelp("?", "toggle help"),
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),
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}
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}
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// focusBindings returns the four directional bindings in reading order.
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func (k KeyMap) focusBindings() []key.Binding {
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return []key.Binding{k.FocusLeft, k.FocusDown, k.FocusUp, k.FocusRight}
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}
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// ShortHelp implements help.KeyMap so KeyMap can be fed to bubbles/help
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// directly for layout's own controls. ToggleHelp always leads - see
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// helpKeyMap.ShortHelp, which relies on that to put '?' first in the
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// composed bar too.
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func (k KeyMap) ShortHelp() []key.Binding {
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bindings := []key.Binding{k.ToggleHelp}
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if k.ShowFocusInShortHelp {
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bindings = append(bindings, k.focusBindings()...)
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}
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return bindings
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}
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// FullHelp implements help.KeyMap. ToggleHelp always leads, same reasoning
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// as ShortHelp; the focus bindings show here unconditionally, regardless of
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// ShowFocusInShortHelp.
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func (k KeyMap) FullHelp() [][]key.Binding {
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return [][]key.Binding{
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{k.ToggleHelp},
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{k.FocusLeft, k.FocusRight},
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{k.FocusUp, k.FocusDown},
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}
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}
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