Disable copy, move constructors when inheriting from QObject

src/gui/rss/articlelistwidget.h

@@ -40,6 +40,7 @@ namespace RSS
 class ArticleListWidget : public QListWidget
 {
     Q_OBJECT
+    Q_DISABLE_COPY_MOVE(ArticleListWidget)
 
 public:
     explicit ArticleListWidget(QWidget *parent);

src/gui/rss/feedlistwidget.h

@@ -43,6 +43,7 @@ namespace RSS
 class FeedListWidget final : public QTreeWidget
 {
     Q_OBJECT
+    Q_DISABLE_COPY_MOVE(FeedListWidget)
 
 public:
     explicit FeedListWidget(QWidget *parent);

src/gui/rss/htmlbrowser.h

@@ -38,6 +38,7 @@ class QNetworkReply;
 class HtmlBrowser final : public QTextBrowser
 {
     Q_OBJECT
+    Q_DISABLE_COPY_MOVE(HtmlBrowser)
 
 public:
     explicit HtmlBrowser(QWidget* parent = nullptr);

src/gui/rss/rsswidget.h

@@ -46,6 +46,7 @@ namespace Ui
 class RSSWidget : public QWidget
 {
     Q_OBJECT
+    Q_DISABLE_COPY_MOVE(RSSWidget)
 
 public:
     RSSWidget(QWidget *parent);