forked from Mirrors/bubbletea
33 lines
582 B
Go
33 lines
582 B
Go
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package tea
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import (
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"errors"
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"io"
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"unicode/utf8"
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)
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// KeyPressMsg contains information about a keypress
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type KeyPressMsg string
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// ReadKey reads keypress input from a TTY and returns a string representation
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// of a key
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func ReadKey(r io.Reader) (string, error) {
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var buf [256]byte
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// Read and block
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_, err := r.Read(buf[:])
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if err != nil {
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return "", err
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}
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// TODO: non-rune keys like arrows, meta keys, and so on
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// Read "normal" key
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c, _ := utf8.DecodeRune(buf[:])
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if c == utf8.RuneError {
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return "", errors.New("no such rune")
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}
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return string(c), nil
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}
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