Go언어-Fyne Text Editor 만들기

package main

import (
	"fmt"
	"image/color"
	_ "unicode/utf8"

	"fyne.io/fyne"
	"fyne.io/fyne/app"
	"fyne.io/fyne/canvas"
	"fyne.io/fyne/layout"
	"fyne.io/fyne/theme"
	"fyne.io/fyne/widget"
)

func main() {
	f := app.New()
	//f.Settings().SetTheme(theme.LightTheme())
	f.Settings().SetTheme(theme.DarkTheme())
	w := f.NewWindow("")

	//상단에 넣을 위젯 및 레이아웃 - NewFormLayout
	qry := widget.NewEntry()
	btn_go := widget.NewButton("New Memo", New_btn)

	text := canvas.NewText("Text Object", color.White)
	text.Alignment = fyne.TextAlignTrailing
	text.TextStyle = fyne.TextStyle{Italic: true}

	ret := fyne.NewContainerWithLayout(layout.NewFormLayout())
	ret.AddObject(btn_go)
	ret.AddObject(qry)

	//하단에 넣을 위젯 및 전체 레이아웃 구성 - NewBorderLayout
	label2 := widget.NewLabel("Simple Memo")
	labox2 := fyne.NewContainerWithLayout(layout.NewCenterLayout(), label2)

	b1 := widget.NewButton("Go1", func() { fmt.Println("Go1 Button") })
	b1.ExtendBaseWidget(b1)

	b2 := widget.NewButton("Go2", func() { fmt.Println("Go2 Button") })
	b2.ExtendBaseWidget(b2)

	out_entry := widget.NewMultiLineEntry()
	out_entry.SetPlaceHolder("결과...")
	out_entry.ExtendBaseWidget(out_entry)

	frm := fyne.NewContainerWithLayout(layout.NewBorderLayout(ret, labox2, nil, nil)) //상, 하, 좌(없음), 우(없음)
	frm.AddObject(ret)                                                                //상단
	frm.AddObject(labox2)                                                             //하단
	frm.AddObject(out_entry)                                                          //좌-우가 없으므로 5번째에(center) 추가됨

	w.SetContent(frm)
	w.Resize(fyne.Size{Height: 640, Width: 480})
	w.ShowAndRun()

}