mirror of https://github.com/jroimartin/gocui.git
75 lines
1.3 KiB
Go
75 lines
1.3 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 (
|
|
"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
|
|
}
|