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// 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"
"github.com/jroimartin/gocui"
)
func main() {
g, err := gocui.NewGui(gocui.Output256)
if err != nil {
log.Panicln(err)
}
defer g.Close()
g.SetManagerFunc(layout)
if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
log.Panicln(err)
}
if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
log.Panicln(err)
}
}
func layout(g *gocui.Gui) error {
maxX, maxY := g.Size()
if v, err := g.SetView("colors", -1, -1, maxX, maxY); err != nil {
if err != gocui.ErrUnknownView {
return err
}
// 256-colors escape codes
for i := 0; i < 256; i++ {
str := fmt.Sprintf("\x1b[48;5;%dm\x1b[30m%3d\x1b[0m ", i, i)
str += fmt.Sprintf("\x1b[38;5;%dm%3d\x1b[0m ", i, i)
if (i+1)%10 == 0 {
str += "\n"
}
fmt.Fprint(v, str)
}
fmt.Fprint(v, "\n\n")
// 8-colors escape codes
ctr := 0
for i := 0; i <= 7; i++ {
for _, j := range []int{1, 4, 7} {
str := fmt.Sprintf("\x1b[3%d;%dm%d:%d\x1b[0m ", i, j, i, j)
if (ctr+1)%20 == 0 {
str += "\n"
}
fmt.Fprint(v, str)
ctr++
}
}
}
return nil
}
func quit(g *gocui.Gui, v *gocui.View) error {
return gocui.ErrQuit
}
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