package tea

// renderer is the interface for Bubble Tea renderers.
type renderer interface {
	// Start the renderer.
	start()

	// Stop the renderer, but render the final frame in the buffer, if any.
	stop()

	// Stop the renderer without doing any final rendering.
	kill()

	// Write a frame to the renderer. The renderer can write this data to
	// output at its discretion.
	write(string)

	// Request a full re-render. Note that this will not trigger a render
	// immediately. Rather, this method causes the next render to be a full
	// repaint. Because of this, it's safe to call this method multiple times
	// in succession.
	repaint()

	// Whether or not the alternate screen buffer is enabled.
	altScreen() bool

	// Record internally that the alternate screen buffer is enabled. This
	// does not actually toggle the alternate screen buffer.
	setAltScreen(bool)
}

// repaintMsg forces a full repaint.
type repaintMsg struct{}