Merge pull request #671 from E1int/start-minimized-flag

Add CLI flag to start app minimized

backend/app.go

@@ -437,7 +437,7 @@ func (a *App) SetupWindowsSMTC(hwnd uintptr) {
 	})
 }
 
-func (a *App) LoginToDefaultServer(string) error {
+func (a *App) LoginToDefaultServer() error {
 	serverCfg := a.ServerManager.GetDefaultServer()
 	if serverCfg == nil {
 		return ErrNoServers
@@ -548,6 +548,8 @@ func (a *App) checkFlagsAndSendIPCMsg(cli *ipc.Client) error {
 		return cli.SeekBackOrPrevious()
 	case *FlagNext:
 		return cli.SeekNext()
+	case *FlagShow:
+		return cli.Show()
 	case VolumeCLIArg >= 0:
 		return cli.SetVolume(VolumeCLIArg)
 	case VolumePctCLIArg != 0:

backend/cmdlineoptions.go

@@ -17,6 +17,8 @@ var (
 	FlagPlayPause      = flag.Bool("play-pause", false, "toggle play/pause state")
 	FlagPrevious       = flag.Bool("previous", false, "seek to previous track or beginning of current")
 	FlagNext           = flag.Bool("next", false, "seek to next track")
+	FlagStartMinimized = flag.Bool("start-minimized", false, "start app minimized")
+	FlagShow           = flag.Bool("show", false, "show minimized app")
 	FlagVersion        = flag.Bool("version", false, "print app version and exit")
 	FlagHelp           = flag.Bool("help", false, "print command line options and exit")
 )
@@ -50,8 +52,11 @@ func init() {
 
 func HaveCommandLineOptions() bool {
 	visitedAny := false
-	flag.Visit(func(*flag.Flag) {
+	flag.Visit(func(f *flag.Flag) {
+		// We skip `start-minimized` because it should't send an IPC message.
+		if f.Name != "start-minimized" {
 			visitedAny = true
+		}
 	})
 	return visitedAny
 }

main.go

@@ -87,7 +87,7 @@ func main() {
 		defaultServer := myApp.ServerManager.GetDefaultServer()
 		if defaultServer == nil {
 			mainWindow.Controller.PromptForFirstServer()
-		} else {
+		} else if !*backend.FlagStartMinimized { // If the minimized start flag was passed, the connection is already established.
 			mainWindow.Controller.DoConnectToServerWorkflow(defaultServer)
 		}
 
@@ -103,7 +103,15 @@ func main() {
 	})
 	fyneApp.Lifecycle().SetOnEnteredForeground(windowStartupTasks)
 
+	if *backend.FlagStartMinimized {
+		if err = myApp.LoginToDefaultServer(); err != nil {
+			log.Fatalf("failed to connect to server: %v", err.Error())
+			return
+		}
+		fyneApp.Run()
+	} else {
 		mainWindow.ShowAndRun()
+	}
 
 	log.Println("Running shutdown tasks...")
 	myApp.Shutdown()