main.go

package main

import (
	"bytes"
	_ "embed"
	"strings"
	"time"

	log "github.com/schollz/logger"
	"golang.org/x/text/language"
	"golang.org/x/text/message"

	_ "crocgui/internal/translations"

	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/canvas"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/data/binding"
	"fyne.io/fyne/v2/layout"
	"fyne.io/fyne/v2/theme"
)

//go:embed metadata/en-US/images/featureGraphic.png
var textlogobytes []byte

type logwriter struct {
	buf        bytes.Buffer
	lastlines  []string
	lastupdate time.Time
}

const LOG_LINES = 20

func (lw *logwriter) Write(p []byte) (n int, err error) {
	n, err = lw.buf.Write(p)

	lw.lastlines = append([]string{string(p)}, lw.lastlines...)
	if len(lw.lastlines) > LOG_LINES {
		lw.lastlines = lw.lastlines[:LOG_LINES]
	}

	if time.Since(lw.lastupdate) > time.Second {
		logbinding.Set(strings.Join(lw.lastlines, ""))
		lw.lastupdate = time.Now()
	}
	return
}

var logoutput logwriter
var logbinding binding.String

func refreshWindow(a fyne.App, w fyne.Window, index int) {
	textlogores := fyne.NewStaticResource("text-logo", textlogobytes)
	textlogo := canvas.NewImageFromResource(textlogores)
	textlogo.SetMinSize(fyne.NewSize(205, 100))
	top := container.NewHBox(layout.NewSpacer(), textlogo, layout.NewSpacer())

	at := container.NewAppTabs(
		sendTabItem(a, w),
		recvTabItem(a, w),
		settingsTabItem(a, w),
		aboutTabItem(),
	)
	at.SelectIndex(index)

	if a.Preferences().Bool("hide-logo") {
		w.SetContent(at)
	} else {
		w.SetContent(container.NewBorder(top, nil, nil, nil, at))
	}
	setDebugObjects()
}

func main() {
	a := app.NewWithID("com.github.howeyc.crocgui")
	w := a.NewWindow("croc")

	logbinding = binding.NewString()
	log.SetOutput(&logoutput)

	// Defaults
	a.Preferences().SetString("lang", a.Preferences().StringWithFallback("lang", "en-US"))
	a.Preferences().SetString("relay-address", a.Preferences().StringWithFallback("relay-address", "croc.schollz.com:9009"))
	a.Preferences().SetString("relay-password", a.Preferences().StringWithFallback("relay-password", "pass123"))
	a.Preferences().SetString("relay-ports", a.Preferences().StringWithFallback("relay-ports", "9009,9010,9011,9012,9013"))
	a.Preferences().SetBool("disable-local", a.Preferences().BoolWithFallback("disable-local", false))
	a.Preferences().SetBool("force-local", a.Preferences().BoolWithFallback("force-local", false))
	a.Preferences().SetBool("disable-multiplexing", a.Preferences().BoolWithFallback("disable-multiplexing", false))
	a.Preferences().SetBool("disable-compression", a.Preferences().BoolWithFallback("disable-compression", false))
	a.Preferences().SetString("theme", a.Preferences().StringWithFallback("theme", "system"))
	a.Preferences().SetString("font", a.Preferences().StringWithFallback("font", "default"))
	a.Preferences().SetString("debug-level", a.Preferences().StringWithFallback("debug-level", "error"))
	a.Preferences().SetString("pake-curve", a.Preferences().StringWithFallback("pake-curve", "p256"))
	a.Preferences().SetString("croc-hash", a.Preferences().StringWithFallback("croc-hash", "xxhash"))
	a.Preferences().SetBool("hide-logo", a.Preferences().BoolWithFallback("hide-logo", false))

	appTheme.color = theme.DefaultTheme()
	appTheme.size = theme.DefaultTheme()
	appTheme.fontName = "default"
	appTheme.icon = theme.DefaultTheme()

	langCode = a.Preferences().String("lang")
	langPrinter = message.NewPrinter(language.MustParse(langCode))

	setThemeColor(a.Preferences().String("theme"))
	log.SetLevel(a.Preferences().String("debug-level"))

	appTheme.fontName = a.Preferences().String("font")

	a.Settings().SetTheme(appTheme)

	refreshWindow(a, w, 0)
	w.Resize(fyne.NewSize(800, 600))

	w.ShowAndRun()
}