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package aec
import "fmt"
// EraseMode is listed in a variable EraseModes.
type EraseMode uint
var (
// EraseModes is a list of EraseMode.
EraseModes struct {
// All erase all.
All EraseMode
// Head erase to head.
Head EraseMode
// Tail erase to tail.
Tail EraseMode
}
// Save saves the cursor position.
Save ANSI
// Restore restores the cursor position.
Restore ANSI
// Hide hides the cursor.
Hide ANSI
// Show shows the cursor.
Show ANSI
// Report reports the cursor position.
Report ANSI
)
// Up moves up the cursor.
func Up(n uint) ANSI {
if n == 0 {
return empty
}
return newAnsi(fmt.Sprintf(esc+"%dA", n))
}
// Down moves down the cursor.
func Down(n uint) ANSI {
if n == 0 {
return empty
}
return newAnsi(fmt.Sprintf(esc+"%dB", n))
}
// Right moves right the cursor.
func Right(n uint) ANSI {
if n == 0 {
return empty
}
return newAnsi(fmt.Sprintf(esc+"%dC", n))
}
// Left moves left the cursor.
func Left(n uint) ANSI {
if n == 0 {
return empty
}
return newAnsi(fmt.Sprintf(esc+"%dD", n))
}
// NextLine moves down the cursor to head of a line.
func NextLine(n uint) ANSI {
if n == 0 {
return empty
}
return newAnsi(fmt.Sprintf(esc+"%dE", n))
}
// PreviousLine moves up the cursor to head of a line.
func PreviousLine(n uint) ANSI {
if n == 0 {
return empty
}
return newAnsi(fmt.Sprintf(esc+"%dF", n))
}
// Column set the cursor position to a given column.
func Column(col uint) ANSI {
return newAnsi(fmt.Sprintf(esc+"%dG", col))
}
// Position set the cursor position to a given absolute position.
func Position(row, col uint) ANSI {
return newAnsi(fmt.Sprintf(esc+"%d;%dH", row, col))
}
// EraseDisplay erases display by given EraseMode.
func EraseDisplay(m EraseMode) ANSI {
return newAnsi(fmt.Sprintf(esc+"%dJ", m))
}
// EraseLine erases lines by given EraseMode.
func EraseLine(m EraseMode) ANSI {
return newAnsi(fmt.Sprintf(esc+"%dK", m))
}
// ScrollUp scrolls up the page.
func ScrollUp(n int) ANSI {
if n == 0 {
return empty
}
return newAnsi(fmt.Sprintf(esc+"%dS", n))
}
// ScrollDown scrolls down the page.
func ScrollDown(n int) ANSI {
if n == 0 {
return empty
}
return newAnsi(fmt.Sprintf(esc+"%dT", n))
}
func init() {
EraseModes = struct {
All EraseMode
Head EraseMode
Tail EraseMode
}{
Tail: 0,
Head: 1,
All: 2,
}
Save = newAnsi(esc + "s")
Restore = newAnsi(esc + "u")
Hide = newAnsi(esc + "?25l")
Show = newAnsi(esc + "?25h")
Report = newAnsi(esc + "6n")
}
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