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Add cursor positioning functions to viewport renderder

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This commit is contained in:
Christian Rocha
2020-06-16 16:10:34 -04:00
parent 3321ac12a9
commit d9c03fc0b0
2 changed files with 10 additions and 2 deletions
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8
viewport/renderer.go
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@@ -95,3 +95,11 @@ func clearLine(w io.Writer) {
func insertLine(w io.Writer, numLines int) { func insertLine(w io.Writer, numLines int) {
fmt.Fprintf(w, te.CSI+"%dL", numLines) fmt.Fprintf(w, te.CSI+"%dL", numLines)
} }
func saveCursorPosition(w io.Writer) {
fmt.Fprint(w, te.CSI+"s")
}
func restoreCursorPosition(w io.Writer) {
fmt.Fprint(w, te.CSI+"u")
}

4
viewport/viewport.go
View File

@@ -21,8 +21,8 @@ type Model struct {
// It's used in high performance rendering. // It's used in high performance rendering.
Y int Y int
// UseInternalRenderer specifies whether or not to use the pager's internal, // UseInternalRenderer specifies whether or not to use the pager's
// high performance renderer to paint the screen. // internal, high performance renderer to paint the screen.
UseInternalRenderer bool UseInternalRenderer bool
lines []string lines []string