golang-exercises/gocui-practice/main.go

package main

import (
	"fmt"
	"log"
	"time"

	"github.com/jroimartin/gocui"
)

var input chan int

func main() {
	g, err := gocui.NewGui(gocui.OutputNormal)
	if err != nil {
		log.Panicln(err)
	}
	defer g.Close()

	g.SetManagerFunc(layout)

	go counter()

	g.Mouse = true

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

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

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

var numToIncrease int

func counter() {
	for {
		numToIncrease++
		time.Sleep(time.Second)
	}
}

func layout(g *gocui.Gui) error {
	maxX, maxY := g.Size()
	if v, err := g.SetView("hello", maxX/2-20, maxY/2-18, maxX/2+20, maxY/2-15); err != nil {
		if err != gocui.ErrUnknownView {
			return err
		}
		fmt.Fprintln(v, "This is a reaaaaaaaally long message")
		fmt.Fprintln(v, "Hello!")
	}

	if v, err := g.SetView("anotherone", maxX/2-20, maxY/2-13, maxX/2+20, maxY/2-6); err != nil {
		if err != gocui.ErrUnknownView {
			return err
		}
		for i := 0; i < 5; i++ {
			fmt.Fprintln(v, "Hola!")
		}
	}

	if v, err := g.SetView("WOW", maxX/2-20, maxY/2, maxX/2+20, maxY/2+5); err != nil {
		if err != gocui.ErrUnknownView {
			return err
		}
		// var number int
		// go func() {
		// 	number = <-input
		// }()
		// fmt.Fprintln(v, number)

		fmt.Fprintln(v, "You should quit... NOW!", numToIncrease)
	}

	// if err := g.SetKeybinding("WOW", gocui.MouseLeft, gocui.ModNone, fcn); err != nil {
	// 	fmt.Fprintln(v, "Clicked")
	// }

	return nil
}

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