package main

import (
	"fyne.io/fyne/v2"
	"fyne.io/fyne/v2/app"
	"fyne.io/fyne/v2/container"
	"fyne.io/fyne/v2/widget"
)

func main() {
	myApp := app.New()
	window := myApp.NewWindow("Hello World.")
	window.Resize(fyne.NewSize(700, 400))
	// window.SetFixedSize(true)

	textEntry := widget.NewMultiLineEntry()
	textEntry.Wrapping = fyne.TextWrapWord
	// textEntry.Disable()

	initialText := "This is text"
	textEntry.SetText(initialText)
	textEntry.OnChanged = func(text string) {
		if text != initialText {
			textEntry.SetText(initialText)
		}
	}

	button := widget.NewButton(" [ Close ] ", func() {
		myApp.Quit()
	})

	content := container.NewBorder(
		nil, // top
		container.NewBorder(nil, nil, nil, button, nil), // bottom
		nil,       // left
		nil,       // right
		textEntry, // center
	)

	window.SetContent(content)
	window.CenterOnScreen()
	window.ShowAndRun()
}