mock

type Cell struct {
	C     []rune // Content, for now only a single rune is supported
	Fg    color.Color
	Bg    color.Color
	Attr  vt.Attr
	Width int // Display width of C.
}

type MockBackend interface {
	vt.Backend

	// GetCell returns the cell at the given position, or the zero value if the
	// position is out of the bounds of the window.
	GetCell(vt.Coord) Cell

	// Bells counts the number of bells rung.
	Bells() int

	// GetTitle gets the current window title.
	GetTitle() string

	// SetSize is used to resize the window.
	// Newly added cells are empty, and content in old cells that out of range is lost.
	SetSize(vt.Coord)
}

type MockOpt interface{ SetMockOpt(mb *mockBackend) }

type MockOptColors int

type MockOptSize vt.Coord

type MockTerm interface {
	tty.Tty

	// Pos reports the current cursor position.
	Pos() vt.Coord

	// GetCell returns the current cell.
	GetCell(vt.Coord) Cell

	// Bells returns the number of times the bell has been rung.
	Bells() int

	// Inject a keyboard event.
	KeyEvent(vt.KbdEvent)

	// GetTitle obtains the current window title.
	GetTitle() string

	// SetSize is used to resize the terminal.
	SetSize(vt.Coord)
}