go-ncurses/examples/basic.go

package main

import (
	"os"
	"os/signal"
	"syscall"

	"git.metznet.ca/MetzNet/go-ncurses"
)

func main() {
  ncurses.SetLocale(0, "")
  input, input_active := ncurses.UTF8Listener(100, os.Stdin)

  os_sigs := make(chan os.Signal, 1)
  signal.Notify(os_sigs, syscall.SIGINT, syscall.SIGABRT)

  window := ncurses.InitScr()
  ret := ncurses.StartColor()
  if ret != 0 {
    panic(ret)
  }

  ret = ncurses.InitColor(1, 1000, 0, 0)
  if ret != 0 {
    panic(ret)
  }

  ret = ncurses.InitColor(2, 0, 1000, 0)
  if ret != 0 {
    panic(ret)
  }

  ret = ncurses.InitPair(1, 1, 2)
  if ret != 0 {
    panic(ret)
  }

  ncurses.WBkgd(window, ncurses.COLOR_PAIR(1))

  ret = ncurses.IdlOK(window, true)
  if ret != 0 {
    panic(ret)
  }

  ret = ncurses.ScrollOk(window, true)
  if ret != 0 {
    panic(ret)
  }

  ncurses.WRefresh(window)

  active := true
  for active {
    select {
    case bytes := <-input:
      for _, b := range(bytes) {
        ncurses.WAddCh(window, uint32(b))
      }
      ncurses.WRefresh(window)
    case <-os_sigs:
      active = false
    }
  }

  ncurses.EndWin()
  input_active.Store(false)
  close(input)
}