update current device name

src/gui/main_window.rs

@@ -286,7 +286,7 @@ pub fn gui_main(recording: bool, input_file: Option<&str>, enable_mpris: bool) -
         if let Some(old_enable_notifications) = old_preferences.enable_notifications {
             notification_enable_checkbox.set_active(old_enable_notifications);
         }
-        let old_device_name = old_preferences.device_name;
+        let old_device_name = old_preferences.current_device_name;
 
         // Handle selecting a microphone input devices in the appropriate combo box
         // (the combo box will be filed with device names when a "DevicesList"
@@ -313,7 +313,7 @@ pub fn gui_main(recording: bool, input_file: Option<&str>, enable_mpris: bool) -
 
                 let mut preferences_interface = PreferencesInterface::new();
                 let mut new_preferences = preferences_interface.preferences.clone();
-                new_preferences.device_name = Some(device_name_str.to_string());
+                new_preferences.current_device_name = Some(device_name_str.to_string());
                 preferences_interface.update(new_preferences);
 
                 if microphone_stop_button.is_visible() {

src/gui/preferences.rs

@@ -8,15 +8,15 @@ use crate::utils::filesystem_reader::obtain_preferences_file_path;
 #[derive(Serialize, Deserialize, Clone, Debug)]
 pub struct Preferences{
     pub enable_notifications: Option<bool>,
-    pub device_name: Option<String>
+    pub current_device_name: Option<String>
 }
 
 
 impl Preferences {
     pub fn default() -> Self {
         Preferences {
             enable_notifications: Some(true),
-            device_name: None
+            current_device_name: None
         }
     }
 }