Rewrite itgui and add new screenshots

cmd/itgui/main.go

@@ -1,43 +1,55 @@
 package main
 
 import (
+	"context"
+	"sync"
+
 	"fyne.io/fyne/v2/app"
 	"fyne.io/fyne/v2/container"
 	"go.arsenm.dev/itd/api"
 )
 
-var onClose []func()
-
 func main() {
-	// Create new app
 	a := app.New()
-	// Create new window with title "itgui"
-	window := a.NewWindow("itgui")
-	window.SetOnClosed(func() {
-		for _, closeFn := range onClose {
-			closeFn()
-		}
-	})
+	w := a.NewWindow("itgui")
 
+	// Create new context for use with the API client
+	ctx, cancel := context.WithCancel(context.Background())
+
+	// Connect to ITD API
 	client, err := api.New(api.DefaultAddr)
 	if err != nil {
-		guiErr(err, "Error connecting to itd", true, window)
+		guiErr(err, "Error connecting to ITD", true, w)
 	}
-	onClose = append(onClose, func() {
-		client.Close()
-	})
 
-	// Create new app tabs container
+	// Create channel to signal that the fs tab has been opened
+	fsOpened := make(chan struct{})
+	fsOnce := &sync.Once{}
+
+	// Create app tabs
 	tabs := container.NewAppTabs(
-		container.NewTabItem("Info", infoTab(window, client)),
-		container.NewTabItem("Motion", motionTab(window, client)),
-		container.NewTabItem("Notify", notifyTab(window, client)),
-		container.NewTabItem("Set Time", timeTab(window, client)),
-		container.NewTabItem("Upgrade", upgradeTab(window, client)),
+		container.NewTabItem("Info", infoTab(ctx, client, w)),
+		container.NewTabItem("Motion", motionTab(ctx, client, w)),
+		container.NewTabItem("Notify", notifyTab(ctx, client, w)),
+		container.NewTabItem("FS", fsTab(ctx, client, w, fsOpened)),
+		container.NewTabItem("Time", timeTab(ctx, client, w)),
+		container.NewTabItem("Firmware", firmwareTab(ctx, client, w)),
 	)
 
-	// Set tabs as window content
-	window.SetContent(tabs)
-	// Show window and run app
-	window.ShowAndRun()
+	// When a tab is selected
+	tabs.OnSelected = func(ti *container.TabItem) {
+		// If the tab's name is FS
+		if ti.Text == "FS" {
+			// Signal fsOpened only once
+			fsOnce.Do(func() {
+				fsOpened <- struct{}{}
+			})
+		}
+	}
+
+	// Cancel context on close
+	w.SetOnClosed(cancel)
+	// Set content and show window
+	w.SetContent(tabs)
+	w.ShowAndRun()
 }