chore: go mod vendor

vendor/github.com/gdamore/tcell/v2/screen.go

@@ -71,9 +71,14 @@ type Screen interface {
 	ShowCursor(x int, y int)
 
 	// HideCursor is used to hide the cursor.  Its an alias for
-	// ShowCursor(-1, -1).
+	// ShowCursor(-1, -1).sim
 	HideCursor()
 
+	// SetCursorStyle is used to set the cursor style.  If the style
+	// is not supported (or cursor styles are not supported at all),
+	// then this will have no effect.
+	SetCursorStyle(CursorStyle)
+
 	// Size returns the screen size as width, height.  This changes in
 	// response to a call to Clear or Flush.
 	Size() (width, height int)
@@ -258,3 +263,17 @@ const (
 	MouseDragEvents   = MouseFlags(2) // Click-drag events (includes button events)
 	MouseMotionEvents = MouseFlags(4) // All mouse events (includes click and drag events)
 )
+
+// CursorStyle represents a given cursor style, which can include the shape and
+// whether the cursor blinks or is solid.  Support for changing these is not universal.
+type CursorStyle int
+
+const (
+	CursorStyleDefault = CursorStyle(iota) // The default
+	CursorStyleBlinkingBlock
+	CursorStyleSteadyBlock
+	CursorStyleBlinkingUnderline
+	CursorStyleSteadyUnderline
+	CursorStyleBlinkingBar
+	CursorStyleSteadyBar
+)