gocui/_examples/wrap.go

63 lines
1.1 KiB
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 (
"bytes"
"fmt"
"log"
"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 = "> "
}
return nil
}
func quit(g *gocui.Gui, v *gocui.View) error {
return gocui.ErrorQuit
}
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, 0, quit); err != nil {
log.Panicln(err)
}
go func() {
var line bytes.Buffer
for i := 0; i < 10; i++ {
line.WriteString("This is a long line -- ")
}
fmt.Fprint(g.View("main"), line.String())
fmt.Fprintln(g.View("main"), "")
fmt.Fprint(g.View("main"), "Short")
}()
err = g.MainLoop()
if err != nil && err != gocui.ErrorQuit {
log.Panicln(err)
}
}