Golang Buffered.Write Examples

Example #1

File: scrollbox.go Project: errnoh/termbox

func ScrollWrite(panel *panel.Buffered, s string) {
	lines := strings.Split(s, "\n")
	buf := panel.Buffer()
	r := panel.Bounds()

	var (
		length     = r.Dx() * len(lines)
		START      = 0
		STARTLINES = START + length
		END        = len(buf)
		ENDLINES   = END - length
	)

	src := buf[:ENDLINES]
	target := buf[STARTLINES:]

	width := r.Dx()
	for i := len(target) - width; i >= 0; i -= width {
		copy(target[i:i+width], src[i:i+width])
	}

	for i := 0; i < len(lines); i++ {
		clearRow(panel, i)
	}

	panel.Write([]byte(s))
}