49 lines
577 B
Go
49 lines
577 B
Go
package tui
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import (
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"io"
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"os"
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"sync"
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"golang.org/x/term"
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)
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var (
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lock = sync.Mutex{}
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t *term.Terminal
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oldState *term.State
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)
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func Start() {
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lock.Lock()
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defer lock.Unlock()
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if t != nil {
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return
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}
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screen := struct {
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io.Reader
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io.Writer
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}{os.Stdin, os.Stdout}
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var err error
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oldState, err = term.MakeRaw(int(os.Stdin.Fd()))
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if err != nil {
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panic(err)
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}
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t = term.NewTerminal(screen, "")
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}
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func Stop() {
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lock.Lock()
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defer lock.Unlock()
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if t == nil {
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return
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}
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term.Restore(int(os.Stdin.Fd()), oldState)
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t = nil
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oldState = nil
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}
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