62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
package tui
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import "strings"
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func GetMenu(
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title string,
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text string,
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items ...string, // key -> value pairs
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) string {
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keys := map[string]bool{}
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keyWidth := 0
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for i := 0; i < len(items); i += 2 {
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key := items[i]
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keyLen := len([]rune(key))
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keys[items[i]] = true
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if keyLen > keyWidth {
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keyWidth = keyLen
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}
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}
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drawMenu := func() {
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Clear()
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PrintBoxed(title)
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PrintString("┆")
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if text != "" {
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PrintTextWithPrefix("│ ", text)
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PrintString("│")
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}
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w, _ := termSize()
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valWidth := w - keyWidth - 5
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for i := 0; i < len(items); i += 2 {
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key := items[i]
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keyLen := len([]rune(key))
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text := items[i+1]
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lines, _ := wrapText(text, valWidth)
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indent := keyWidth - keyLen
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// First line.
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sIndent := strings.Repeat(" ", indent)
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PrintString("│ %s%s %s", key, sIndent, lines[0])
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// Additional lines.
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for _, line := range lines[1:] {
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sIndent := strings.Repeat(" ", keyWidth)
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PrintString("│ %s %s", sIndent, line)
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}
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}
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PrintString("│")
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}
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for {
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drawMenu()
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in := GetString("╰─┄ ")
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if _, ok := keys[in]; ok {
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return in
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}
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}
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}
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