ainsi_escape.go

package ainsi

//
//This package is a util library to provide human writeable ainsi codes for terminals.
//Author: Alexis Viscogliosi
//


import "fmt"

// TcUp moves cursor up by n
func TcUp(n int) {
	fmt.Printf("\u001b[%dA", n)
}

// TcDown moves cursor down by n
func TcDown(n int) {
	fmt.Printf("\u001b[%dB", n)
}

// TcRight moves cursor right by n
func TcRight(n int) {
	fmt.Printf("\u001b[%dC", n)
}

// TcLeft moves cursor left by n
func TcLeft(n int) {
	fmt.Printf("\u001b[%dD", n)
}

// TcNextLine moves cursor to beginning of line n lines down
func TcNextLine(n int) {
	fmt.Printf("\u001b[%dE", n)
}

// TcPrevLine moves cursor to beginning of line n lines up
func TcPrevLine(n int) {
	fmt.Printf("\u001b[%dF", n)
}

// TcSetColum moves cursor to column n
func TcSetColum(n int) {
	fmt.Printf("\u001b[%dG", n)
}

// TcSetPos moves cursor to row and column
func TcSetPos(row int, column int) {
	fmt.Printf("\u001b[%d;%dH", row, column)
}

type ClearOpt int

const (
	ClearCursorToEnd       = 0 // clears from cursor until end of screen,
	ClearCursorToBeginning = 1 // clears from cursor to beginning of screen
	ClearEntireScreen      = 2 // clears entire screen
)

// TcClear Clear the screen
func TcClear(opt ClearOpt) {
	fmt.Printf("\u001b[%dJ", opt)
}

type ClearLineOpt int

const (
	ClearCursorToEndLine       = 0 // clears from cursor to end of line
	ClearCursorToBeginningLine = 1 // clears from cursor to start of line
	ClearEntireLine            = 2 // clears entire line
)

// TcClear Clear the line
func TcClearLine(opt ClearLineOpt) {
	fmt.Printf("\u001b[%dJ", opt)
}

// TcSavePos saves the current cursor position
func TcSavePos() {
	fmt.Printf("\u001b[s")
}

// TcRestorePos restores the cursor to the last saved position
func TcRestorePos() {
	fmt.Printf("\u001b[u")
}

// TcHideCursor hide cursor
func TcHideCursor() {
	fmt.Printf("\u001b[?25l")
}

// TcHideCursor show cursor
func TcShowCursor() {
	fmt.Printf("\u001b[?25h")
}

// TcBegin set the cursor to the left
func TcBegin() {
	fmt.Printf("\r")
}