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package vt
import (
"io"
"github.com/charmbracelet/x/ansi"
)
// Focus sends the terminal a focus event if focus events mode is enabled.
// This is the opposite of [Blur].
func (e *Emulator) Focus() {
e.focus(true)
}
// Blur sends the terminal a blur event if focus events mode is enabled.
// This is the opposite of [Focus].
func (e *Emulator) Blur() {
e.focus(false)
}
func (e *Emulator) focus(focus bool) {
if mode, ok := e.modes[ansi.FocusEventMode]; ok && mode.IsSet() {
if focus {
_, _ = io.WriteString(e.pw, ansi.Focus)
} else {
_, _ = io.WriteString(e.pw, ansi.Blur)
}
}
}
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