From 2ab06fbc7f5b2ed93ee8668ac6f3ab7c1e15130c Mon Sep 17 00:00:00 2001
From: xengineering <me@xengineering.eu>
Date: Mon, 20 Feb 2023 20:51:56 +0100
Subject: Add Golang-based Gio example code

Golang and Gio should be considered as an alternative to the current C-
and SDL-based setup.
---
 go/main.go | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 go/main.go

(limited to 'go/main.go')

diff --git a/go/main.go b/go/main.go
new file mode 100644
index 0000000..5c4c213
--- /dev/null
+++ b/go/main.go
@@ -0,0 +1,49 @@
+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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