bubbletea/commands_unix.go

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// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package boba
import (
"os"
"os/signal"
"syscall"
)
// OnResize is used to listen for window resizes. Use GetTerminalSize to get
// the windows dimensions. We don't fetch the window size with this command to
// avoid a potential performance hit making the necessary system calls, since
// this command could potentially run a lot. On that note, consider debouncing
// this function.
func OnResize(newMsgFunc func() Msg) Cmd {
return func() Msg {
sig := make(chan os.Signal, 1)
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signal.Notify(sig, syscall.SIGWINCH)
<-sig
return newMsgFunc()
}
}