From 9826251f08446d1edbf190e2806e63ef42bbf159 Mon Sep 17 00:00:00 2001
From: Christian Rocha <christian@rocha.is>
Date: Thu, 29 Jul 2021 15:43:03 -0400
Subject: [PATCH] Add WithInputTTY ProgramOption

---
 options.go |  7 +++++++
 tea.go     | 14 ++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/options.go b/options.go
index b133e8a..3459b4d 100644
--- a/options.go
+++ b/options.go
@@ -28,6 +28,13 @@ func WithInput(input io.Reader) ProgramOption {
 	}
 }
 
+// WithInputTTY open a new TTY for input (or console input device on Windows).
+func WithInputTTY() ProgramOption {
+	return func(p *Program) {
+		p.startupOptions |= withInputTTY
+	}
+}
+
 // WithoutCatchPanics disables the panic catching that Bubble Tea does by
 // default. If panic catching is disabled the terminal will be in a fairly
 // unusable state after a panic because Bubble Tea will not perform its usual
diff --git a/tea.go b/tea.go
index 2f285a2..12046ad 100644
--- a/tea.go
+++ b/tea.go
@@ -58,11 +58,16 @@ type Cmd func() Msg
 // The options here are treated as bits.
 type startupOptions byte
 
+func (s startupOptions) has(option startupOptions) bool {
+	return s&option != 0
+}
+
 // Available startup options.
 const (
 	withAltScreen startupOptions = 1 << iota
 	withMouseCellMotion
 	withMouseAllMotion
+	withInputTTY
 )
 
 // inputStatus indicates the current state of the input. By default, input is
@@ -297,6 +302,15 @@ func (p *Program) Start() error {
 		p.outputIsTTY = isatty.IsTerminal(f.Fd())
 	}
 
+	// Open a new TTY, by request
+	if p.startupOptions.has(withInputTTY) {
+		f, err := openInputTTY()
+		if err != nil {
+			return err
+		}
+		p.input = f
+	}
+
 	// Is input a terminal?
 	if f, ok := p.input.(*os.File); ok {
 		p.inputIsTTY = isatty.IsTerminal(f.Fd())