24 lines
488 B
Go
24 lines
488 B
Go
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package ui
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import "strings"
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// WidgetTree returns a string representing the tree of widgets starting
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// at a given widget.
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func WidgetTree(root Widget) []string {
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var crawl func(int, Widget) []string
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crawl = func(depth int, node Widget) []string {
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var (
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prefix = strings.Repeat(" ", depth)
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lines = []string{prefix + node.ID()}
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)
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for _, child := range node.Children() {
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lines = append(lines, crawl(depth+1, child)...)
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}
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return lines
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}
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return crawl(0, root)
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}
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