go: Refactor with Limox struct

The central Limox struct allows to structure the whole application in
one struct and pass it around to different functions.

1 files changed, 29 insertions, 8 deletions

diff --git a/go/main.go b/go/main.go
index 440d74b..5dd6105 100644
--- a/go/main.go
+++ b/go/main.go
@@ -15,33 +15,54 @@ import (
 	"gioui.org/widget/material"
 )
 
+type Limox struct {
+	ConnState string
+	Ui struct {
+		Window *app.Window
+	}
+}
+
 func main() {
+	limox := NewLimox()
+
 	go func() {
-		w := app.NewWindow(
-			app.Title("LimoX"),
-			app.Size(unit.Dp(400), unit.Dp(600)),
-		)
-		err := run(w)
+		err := limox.run()
 		if err != nil {
 			log.Fatal(err)
 		}
 		os.Exit(0)
 	}()
+
 	app.Main()
 }
 
-func run(w *app.Window) error {
+func NewLimox() Limox {
+	limox := Limox{}
+
+	limox.Ui.Window = app.NewWindow(
+		app.Title("LimoX"),
+		app.Size(unit.Dp(400), unit.Dp(600)),
+	)
+
+	limox.ConnState = "disconnected"
+
+	return limox
+}
+
+func (l *Limox) run() error {
+
 	th := material.NewTheme(gofont.Collection())
 	var ops op.Ops
+
 	for {
-		e := <-w.Events()
+		e := <-l.Ui.Window.Events()
 		switch e := e.(type) {
 		case system.DestroyEvent:
 			return e.Err
 		case system.FrameEvent:
 			gtx := layout.NewContext(&ops, e)
 
-			title := material.H3(th, "disconnected")
+			title := material.H3(th, l.ConnState)
 			maroon := color.NRGBA{R: 0, G: 212, B: 0, A: 255}
 			title.Color = maroon
 			title.Alignment = text.Middle