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package main
import (
"image/color"
"log"
"os"
"gioui.org/app"
"gioui.org/font/gofont"
"gioui.org/io/system"
"gioui.org/layout"
"gioui.org/op"
"gioui.org/text"
"gioui.org/widget/material"
)
func main() {
go func() {
w := app.NewWindow()
err := run(w)
if err != nil {
log.Fatal(err)
}
os.Exit(0)
}()
app.Main()
}
func run(w *app.Window) error {
th := material.NewTheme(gofont.Collection())
var ops op.Ops
for {
e := <-w.Events()
switch e := e.(type) {
case system.DestroyEvent:
return e.Err
case system.FrameEvent:
gtx := layout.NewContext(&ops, e)
title := material.H1(th, "Hello, Gio")
maroon := color.NRGBA{R: 127, G: 0, B: 0, A: 255}
title.Color = maroon
title.Alignment = text.Middle
title.Layout(gtx)
e.Frame(gtx.Ops)
}
}
}
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