46 lines
782 B
Go
46 lines
782 B
Go
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package cursor
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import (
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"fmt"
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"runtime"
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"strings"
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)
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// Area displays content which can be updated on the fly.
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// You can use this to create live output, charts, dropdowns, etc.
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type Area struct {
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height int
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}
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// NewArea returns a new Area.
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func NewArea() Area {
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return Area{}
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}
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// Clear clears the content of the Area.
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func (area *Area) Clear() {
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Bottom()
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if area.height > 0 {
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ClearLinesUp(area.height)
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}
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}
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// Update overwrites the content of the Area.
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func (area *Area) Update(content string) {
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area.Clear()
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lines := strings.Split(content, "\n")
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if runtime.GOOS == "windows" {
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for _, line := range lines {
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fmt.Print(line)
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StartOfLineDown(1)
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}
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} else {
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for _, line := range lines {
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fmt.Println(line)
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}
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}
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height = 0
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area.height = len(lines)
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}
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