gocui/_examples/wrap.go

// Copyright 2014 The gocui Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

import (
	"fmt"
	"log"
	"strings"

	"github.com/jroimartin/gocui"
)

func layout(g *gocui.Gui) error {
	maxX, maxY := g.Size()
	if v, err := g.SetView("main", 1, 1, maxX-1, maxY-1); err != nil {
		if err != gocui.ErrorUnkView {
			return err
		}
		v.Wrap = true
		v.WrapPrefix = "> "

		line := strings.Repeat("This is a long line -- ", 10)
		fmt.Fprintf(v, "%s\n\n", line)
		fmt.Fprintln(v, "Short")
	}
	return nil
}

func quit(g *gocui.Gui, v *gocui.View) error {
	return gocui.Quit
}

func main() {
	var err error

	g := gocui.NewGui()
	if err := g.Init(); err != nil {
		log.Panicln(err)
	}
	defer g.Close()

	g.SetLayout(layout)
	if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
		log.Panicln(err)
	}

	err = g.MainLoop()
	if err != nil && err != gocui.Quit {
		log.Panicln(err)
	}
}