try a better way to work around initial occasional window misdrawing …

…on Linux

main.go

@@ -50,19 +50,20 @@ func main() {
 	myApp.OnExit = mainWindow.Quit
 
 	go func() {
+		defaultServer := myApp.ServerManager.GetDefaultServer()
+		if defaultServer == nil {
+			mainWindow.Controller.PromptForFirstServer()
+		} else {
+			mainWindow.Controller.DoConnectToServerWorkflow(defaultServer)
+		}
 		// TODO: There is a race condition with laying out the window before the
 		// window creation animation on Ubuntu (and other DEs?) finishes, where
 		// the window will be misdrawn into a smaller area if the animation hasn't finished.
 		// This makes it much less likely to occur (not seen on dozens of startups)
 		// but is a hacky "solution"!
 		if runtime.GOOS == "linux" {
-			time.Sleep(250 * time.Millisecond)
-		}
-		defaultServer := myApp.ServerManager.GetDefaultServer()
-		if defaultServer == nil {
-			mainWindow.Controller.PromptForFirstServer()
-		} else {
-			mainWindow.Controller.DoConnectToServerWorkflow(defaultServer)
+			time.Sleep(350 * time.Millisecond)
+			mainWindow.ForceResize()
 		}
 	}()
 

ui/mainwindow.go

@@ -89,16 +89,7 @@ func NewMainWindow(fyneApp fyne.App, appName, displayAppName, appVersion string,
 	m.BottomPanel = NewBottomPanel(app.PlaybackManager, app.ImageManager, m.Controller)
 	m.container = container.NewBorder(nil, m.BottomPanel, nil, nil, m.BrowsingPane)
 	m.Window.SetContent(m.container)
-
-	w := float32(app.Config.Application.WindowWidth)
-	if w <= 1 {
-		w = 1000
-	}
-	h := float32(app.Config.Application.WindowHeight)
-	if h <= 1 {
-		h = 800
-	}
-	m.Window.Resize(fyne.NewSize(w, h))
+	m.ForceResize()
 	app.PlaybackManager.OnSongChange(func(item mediaprovider.MediaItem, _ *mediaprovider.Track) {
 		if item == nil {
 			m.Window.SetTitle(displayAppName)
@@ -150,6 +141,18 @@ func NewMainWindow(fyneApp fyne.App, appName, displayAppName, appVersion string,
 	return m
 }
 
+func (m *MainWindow) ForceResize() {
+	w := float32(m.App.Config.Application.WindowWidth)
+	if w <= 1 {
+		w = 1000
+	}
+	h := float32(m.App.Config.Application.WindowHeight)
+	if h <= 1 {
+		h = 800
+	}
+	m.Window.Resize(fyne.NewSize(w, h))
+}
+
 func (m *MainWindow) StartupPage() controller.Route {
 	switch m.App.Config.Application.StartupPage {
 	case "Favorites":