add "inputs" page

Signed-off-by: Hadi <[email protected]>

internal/ui/input/keymap.go

@@ -0,0 +1,52 @@
+package input
+
+import (
+	"charm.land/bubbles/v2/key"
+	"github.com/anotherhadi/settuings/internal/keys"
+)
+
+// inputKeyMap renders the bottom help bar, adapting to which section
+// currently has focus.
+type inputKeyMap struct {
+	m     Model
+	width int
+}
+
+// relabel reuses an existing binding's keys under a different help
+// description, same trick the audio page uses for its volume keys.
+func relabel(b key.Binding, desc string) key.Binding {
+	return key.NewBinding(key.WithKeys(b.Keys()...), key.WithHelp(b.Help().Key, desc))
+}
+
+func (k inputKeyMap) ShortHelp() []key.Binding {
+	g := keys.Keys.Global
+	in := keys.Keys.Input
+	if k.m.checkErr != nil {
+		return []key.Binding{g.Help}
+	}
+	switch k.m.focus {
+	case focusMouse:
+		speedDown, speedUp := relabel(g.Left, "speed down"), relabel(g.Right, "speed up")
+		return []key.Binding{speedDown, speedUp, in.Reset, g.CycleFocus, g.Help}
+	default:
+		return []key.Binding{g.Up, g.Down, in.Select, in.Reset, g.CycleFocus, g.Help}
+	}
+}
+
+func (k inputKeyMap) FullHelp() [][]key.Binding {
+	g := keys.Keys.Global
+	in := keys.Keys.Input
+
+	var bindings []key.Binding
+	switch {
+	case k.m.checkErr != nil:
+		bindings = nil
+	case k.m.focus == focusMouse:
+		speedDown, speedUp := relabel(g.Left, "speed down"), relabel(g.Right, "speed up")
+		bindings = []key.Binding{speedDown, speedUp, in.Reset, g.CycleFocus}
+	default:
+		bindings = []key.Binding{g.Up, g.Down, in.Select, in.Reset, g.CycleFocus}
+	}
+	bindings = append(bindings, g.CommonBindings()...)
+	return keys.ChunkByWidth(bindings, k.width)
+}