forked from joejulian/gio
Elias Naur
55 lines
982 B
Go
55 lines
982 B
Go
// SPDX-License-Identifier: Unlicense OR MIT
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package main
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// A simple Gio program. See https://gioui.org for more information.
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import (
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"image/color"
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"log"
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"gioui.org/app"
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"gioui.org/layout"
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"gioui.org/text"
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"gioui.org/text/opentype"
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"gioui.org/widget/material"
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"golang.org/x/image/font/gofont/goregular"
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)
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func main() {
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go func() {
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w := app.NewWindow()
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if err := loop(w); err != nil {
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log.Fatal(err)
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}
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}()
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app.Main()
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}
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func loop(w *app.Window) error {
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shaper := new(text.Shaper)
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shaper.Register(text.Font{}, opentype.Must(
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opentype.Parse(goregular.TTF),
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))
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th := material.NewTheme(shaper)
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gtx := &layout.Context{
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Queue: w.Queue(),
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}
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for {
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e := <-w.Events()
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switch e := e.(type) {
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case app.DestroyEvent:
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return e.Err
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case app.FrameEvent:
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gtx.Reset(&e.Config, e.Size)
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l := th.H1("Hello, Gio")
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maroon := color.RGBA{127, 0, 0, 255}
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l.Color = maroon
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l.Alignment = text.Middle
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l.Layout(gtx)
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e.Frame(gtx.Ops)
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}
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}
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}
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