refactor: remove Core::getInstance from SettingsWidget

src/widget/form/settingswidget.cpp

@@ -41,10 +41,10 @@
 
 #include <memory>
 
-SettingsWidget::SettingsWidget(UpdateCheck* updateCheck, IAudioControl& audio, Widget* parent)
+SettingsWidget::SettingsWidget(UpdateCheck* updateCheck, IAudioControl& audio, Core* core, Widget* parent)
     : QWidget(parent, Qt::Window)
 {
-    CoreAV* coreAV = Core::getInstance()->getAv();
+    CoreAV* coreAV = core->getAv();
     IAudioSettings* audioSettings = &Settings::getInstance();
     IVideoSettings* videoSettings = &Settings::getInstance();
     CameraSource& camera = CameraSource::getInstance();

src/widget/form/settingswidget.h

@@ -28,6 +28,7 @@
 #include <memory>
 
 class Camera;
+class Core;
 class GenericForm;
 class GeneralForm;
 class IAudioControl;
@@ -43,7 +44,7 @@ class SettingsWidget : public QWidget
 {
     Q_OBJECT
 public:
-    SettingsWidget(UpdateCheck* updateCheck, IAudioControl& audio, Widget* parent = nullptr);
+    SettingsWidget(UpdateCheck* updateCheck, IAudioControl& audio, Core *core, Widget* parent = nullptr);
     ~SettingsWidget();
 
     bool isShown() const;

src/widget/widget.cpp

@@ -276,16 +276,18 @@ void Widget::init()
     filesForm = new FilesForm();
     addFriendForm = new AddFriendForm;
     groupInviteForm = new GroupInviteForm;
+
+    core = Nexus::getCore();
+
 #if UPDATE_CHECK_ENABLED
     updateCheck = std::unique_ptr<UpdateCheck>(new UpdateCheck(settings));
     connect(updateCheck.get(), &UpdateCheck::updateAvailable, this, &Widget::onUpdateAvailable);
 #endif
-    settingsWidget = new SettingsWidget(updateCheck.get(), audio, this);
+    settingsWidget = new SettingsWidget(updateCheck.get(), audio, core, this);
 #if UPDATE_CHECK_ENABLED
     updateCheck->checkForUpdate();
 #endif
 
-    core = Nexus::getCore();
     CoreFile* coreFile = core->getCoreFile();
     Profile* profile = Nexus::getProfile();
     profileInfo = new ProfileInfo(core, profile);