chore: conform to the proposed bubble tea API

cursor/cursor.go

@@ -75,21 +75,24 @@ type Model struct {
 }
 
 // New creates a new model with default settings.
-func New() Model {
+func New(ctx tea.Context) Model {
 	return Model{
+		Style:     ctx.NewStyle(),
+		TextStyle: ctx.NewStyle(),
+
 		BlinkSpeed: defaultBlinkSpeed,
 
 		Blink: true,
 		mode:  CursorBlink,
 
 		blinkCtx: &blinkCtx{
-			ctx: context.Background(),
+			ctx: ctx,
 		},
 	}
 }
 
 // Update updates the cursor.
-func (m Model) Update(msg tea.Msg) (Model, tea.Cmd) {
+func (m Model) Update(ctx tea.Context, msg tea.Msg) (Model, tea.Cmd) {
 	switch msg := msg.(type) {
 	case initialBlinkMsg:
 		// We accept all initialBlinkMsgs generated by the Blink command.
@@ -203,7 +206,7 @@ func (m *Model) SetChar(char string) {
 }
 
 // View displays the cursor.
-func (m Model) View() string {
+func (m Model) View(tea.Context) string {
 	if m.Blink {
 		return m.TextStyle.Inline(true).Render(m.char)
 	}