Icons and styles use xyz.holanet.Nasin config

application.go

@@ -144,15 +144,43 @@ func RunApplication (application Application) {
 	}
 	flag.Parse()
 
+	// open config
+	globalConfig, err := ApplicationConfig(GlobalApplicationDescription())
+	if err != nil { log.Fatalln("nasin: could not open config:", err) }
+	defer globalConfig.Close()
+	styleConfigKey   := "Style"
+	iconSetConfigKey := "IconSet"
+
+	// registry
+	// TODO: rebuild registry around the config
 	reg := new(registrar.Registrar)
 	backend, err := reg.SetBackend()
 	if err != nil { log.Fatalln("nasin: could not register backend:", err) }
-	err = reg.SetTheme()
-	if err != nil { log.Fatalln("nasin: could not set theme:", err) }
-	err = reg.SetIconSet()
-	if err != nil { log.Fatalln("nasin: could not set icon set:", err) }
 	err = reg.SetFaceSet()
 	if err != nil { log.Fatalln("nasin: could not set face set:", err) }
+	updateStyle := func () {
+		value, err := globalConfig.GetString(styleConfigKey, "")
+		if err != nil { log.Fatalln("nasin: could not set theme:", err) }
+		err = reg.SetStyle(value)
+		if err != nil { log.Fatalln("nasin: could not set theme:", err) }
+	}
+	updateIconSet := func () {
+		value, err := globalConfig.GetString(iconSetConfigKey, "")
+		if err != nil { log.Fatalln("nasin: could not set icon set:", err) }
+		err = reg.SetIconSet(value)
+		if err != nil { log.Fatalln("nasin: could not set icon set:", err) }
+	}
+	updateStyle()
+	updateIconSet()
+
+	globalConfig.OnChange(func (key string) {
+		switch key {
+		case styleConfigKey:   updateStyle()
+		case iconSetConfigKey: updateIconSet()
+		}
+	})
+
+	// init application
 	err = application.Init()
 	if err != nil { log.Fatalln("nasin: could not run application:", err) }