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Use as much terminal movement from termenv as we can

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This commit is contained in:
Christian Rocha 2020-06-16 14:32:00 -04:00
parent 0243dff9d3
commit 0eaea5cc5d
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GPG Key ID: D6CC7A16E5878018
1 changed files with 8 additions and 8 deletions
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16
viewport/renderer.go
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@ -5,6 +5,8 @@ import (
"fmt" "fmt"
"io" "io"
"strings" "strings"
te "github.com/muesli/termenv"
) )
type renderer struct { type renderer struct {
@ -61,28 +63,26 @@ func (r *renderer) insertBottom(lines []string) {
// Terminal Control // Terminal Control
const csi = "\x1b["
func changeScrollingRegion(w io.Writer, top, bottom int) { func changeScrollingRegion(w io.Writer, top, bottom int) {
fmt.Fprintf(w, csi+"%d;%dr", top, bottom) fmt.Fprintf(w, te.CSI+"%d;%dr", top, bottom)
} }
func moveTo(w io.Writer, row, col int) { func moveTo(w io.Writer, row, col int) {
fmt.Fprintf(w, csi+"%d;%dH", row, col) fmt.Fprintf(w, te.CSI+te.CursorPositionSeq, row, col)
} }
func cursorDown(w io.Writer, numLines int) { func cursorDown(w io.Writer, numLines int) {
fmt.Fprintf(w, csi+"%dB", numLines) fmt.Fprintf(w, te.CSI+te.CursorDownSeq, numLines)
} }
func cursorDownString(numLines int) string { func cursorDownString(numLines int) string {
return fmt.Sprintf(csi+"%dB", numLines) return fmt.Sprintf(te.CSI+te.CursorDownSeq, numLines)
} }
func clearLine(w io.Writer) { func clearLine(w io.Writer) {
fmt.Fprint(w, csi+"2K") fmt.Fprintf(w, te.CSI+te.EraseLineSeq, 2)
} }
func insertLine(w io.Writer, numLines int) { func insertLine(w io.Writer, numLines int) {
fmt.Fprintf(w, csi+"%dL", numLines) fmt.Fprintf(w, te.CSI+"%dL", numLines)
} }