add "inputs" page

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

internal/ui/input/model.go

@@ -0,0 +1,67 @@
+// Package input provides the "Inputs" TUI page: keyboard layout and mouse
+// sensitivity, controlled via hyprctl, in the same spirit as the power
+// page's controller-power + status split.
+package input
+
+import (
+	"charm.land/bubbles/v2/help"
+	tea "charm.land/bubbletea/v2"
+	ilovetui "github.com/anotherhadi/ilovetui"
+)
+
+// focusZone tracks which of the two sections (keyboard layout list, mouse
+// sensitivity slider) currently receives Up/Down/Left/Right/Select.
+type focusZone int
+
+const (
+	focusLayout focusZone = iota
+	focusMouse
+)
+
+type Model struct {
+	width  int
+	height int
+	help   help.Model
+	focus  focusZone
+
+	checkErr error // reason hyprctl is unusable; nil once confirmed OK
+	checked  bool
+
+	layoutErr      error
+	currentLayout  string
+	cursor         int
+	cursorInit     bool // whether cursor has been snapped to the current layout yet
+	layoutPending  bool
+	layoutFeedback string
+
+	sensitivityErr   error
+	sensitivity      float64
+	sensitivityKnown bool
+	mousePending     bool
+	mouseFeedback    string
+}
+
+func New() Model {
+	return Model{help: ilovetui.NewHelp()}
+}
+
+func (m Model) Init() tea.Cmd {
+	return nil
+}
+
+// Activate is called every time the user navigates onto this page. It
+// re-checks hyprctl availability and fetches the current layout + mouse
+// sensitivity, then starts the periodic auto-refresh loop.
+func (m *Model) Activate() tea.Cmd {
+	return tea.Batch(checkCmd(), fetchLayoutCmd(), fetchSensitivityCmd(), tickCmd())
+}
+
+func (m Model) IsEditing() bool {
+	return false
+}
+
+func (m *Model) SetSize(w, h int) {
+	m.width = w
+	m.height = h
+	m.help.SetWidth(w - 2)
+}