change pointer struct member to regular string

config.go

@@ -14,14 +14,14 @@ type config struct {
 	Threshold             int
 	DisplayMonitorSources bool
 	EnableUpdates         bool
-	LastUsedInput         *string
+	LastUsedInput         string
 }
 
 const configFile = "config.toml"
 
 func initializeConfigIfNot() {
 	log.Println("Checking if config needs to be initialized")
-	conf := config{Threshold: 95, DisplayMonitorSources: false, EnableUpdates: true, LastUsedInput: nil} // if you're a package maintainer and you mess with this, we have a problem.
+	conf := config{Threshold: 95, DisplayMonitorSources: false, EnableUpdates: true, LastUsedInput: ""} // if you're a package maintainer and you mess with this, we have a problem.
 	// Unless you set -tags release on the build the updater is *not* compiled in any. DO NOT MESS WITH THIS!
 	// This isn't and never was the proper location to disable the updater.
 

main.go

@@ -244,11 +244,11 @@ func paConnectionWatchdog(ctx *ntcontext) {
 
 func getSourcesWithPreSelectedInput(ctx *ntcontext) []input {
 	inputs := getSources(ctx.paClient)
-	preselectedInputId := ctx.config.LastUsedInput
+	preselectedInputID := &ctx.config.LastUsedInput
 	inputExists := false
-	if preselectedInputId != nil {
+	if preselectedInputID != nil {
 		for _, input := range inputs {
-			inputExists = inputExists || input.ID == *preselectedInputId
+			inputExists = inputExists || input.ID == *preselectedInputID
 		}
 	}
 
@@ -257,12 +257,12 @@ func getSourcesWithPreSelectedInput(ctx *ntcontext) []input {
 		if err != nil {
 			log.Printf("Failed to load default source: %+v\n", err)
 		} else {
-			preselectedInputId = &defaultSource
+			preselectedInputID = &defaultSource
 		}
 	}
-	if preselectedInputId != nil {
+	if preselectedInputID != nil {
 		for i := range inputs {
-			if inputs[i].ID == *preselectedInputId {
+			if inputs[i].ID == *preselectedInputID {
 				inputs[i].checked = true
 			}
 		}

ui.go

@@ -202,7 +202,7 @@ func updatefn(ctx *ntcontext, w *nucular.Window) {
 							time.Sleep(time.Millisecond * 500)
 						}
 					}
-					ctx.config.LastUsedInput = &inp.ID
+					ctx.config.LastUsedInput = inp.ID
 					go writeConfig(ctx.config)
 					ctx.loadingScreen = false
 					(*ctx.masterWindow).Changed()