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