Fix unnecessary config writes

Fix #286

Artemis/Artemis/Managers/LoopManager.cs

@@ -98,7 +98,7 @@ namespace Artemis.Managers
             if (_moduleManager.ActiveModule == null)
             {
                 var lastModule = _moduleManager.GetLastModule();
-                if (lastModule == null)
+                if (lastModule == null || !lastModule.Settings.IsEnabled)
                 {
                     _logger.Debug("Cancel LoopManager start, no module");
                     return;

Artemis/Artemis/Managers/ModuleManager.cs

@@ -169,6 +169,8 @@ namespace Artemis.Managers
         /// </summary>
         public void DisableProcessBoundModule()
         {
+            if (ActiveModule == null)
+                return;
             if (!ActiveModule.IsBoundToProcess)
             {
                 _logger.Warn("Active module {0} is not process bound but is being disabled as if it is.",
@@ -176,10 +178,11 @@ namespace Artemis.Managers
                 return;
             }
 
-            if (GetLastModule() == null)
+            var lastModule = GetLastModule();
+            if (lastModule == null || !lastModule.Settings.IsEnabled)
                 ClearActiveModule();
             else
-                ChangeActiveModule(GetLastModule());
+                ChangeActiveModule(lastModule);
         }
 
         protected virtual void RaiseEffectChangedEvent(ModuleChangedEventArgs e)

Artemis/Artemis/Managers/PreviewManager.cs

@@ -82,7 +82,7 @@ namespace Artemis.Managers
             activePreview?.ProfileEditor?.SaveSelectedProfile();
 
             var lastModule = _moduleManager.GetLastModule();
-            if (lastModule != null)
+            if (lastModule != null && lastModule.Settings.IsEnabled)
                 _moduleManager.ChangeActiveModule(lastModule);
             else
                 _moduleManager.ClearActiveModule();

Artemis/Artemis/Modules/Abstract/ModuleModel.cs

@@ -88,6 +88,8 @@ namespace Artemis.Modules.Abstract
         /// </summary>
         public ProfileModel ProfileModel { get; protected set; }
 
+        public bool IsGeneral => !IsOverlay && !IsBoundToProcess;
+
         #endregion
 
         #region Base methods

Artemis/Artemis/Modules/Abstract/ModuleViewModel.cs

@@ -68,7 +68,7 @@ namespace Artemis.Modules.Abstract
         {
             get
             {
-                if (ModuleModel.IsBoundToProcess || ModuleModel.IsOverlay)
+                if (!ModuleModel.IsGeneral)
                     return Settings.IsEnabled;
                 return _generalSettings.LastModule == ModuleModel.Name;
             }
@@ -91,7 +91,7 @@ namespace Artemis.Modules.Abstract
 
         private void UpdatedEnabledSetting()
         {
-            if (ModuleModel.IsBoundToProcess || ModuleModel.IsOverlay)
+            if (!ModuleModel.IsGeneral || !_moduleManager.ActiveModule.IsGeneral || Settings.IsEnabled == IsModuleActive)
                 return;
 
             Settings.IsEnabled = IsModuleActive;
@@ -106,7 +106,7 @@ namespace Artemis.Modules.Abstract
             NotifyOfPropertyChange(() => Settings);
 
             // On process-bound modules, only set the module model
-            if (ModuleModel.IsBoundToProcess || ModuleModel.IsOverlay)
+            if (!ModuleModel.IsGeneral)
             {
                 NotifyOfPropertyChange(() => IsModuleActive);
                 NotifyOfPropertyChange(() => IsModuleEnabled);