refactor: Use override instead of virtual where possible (#4917)

src/providers/irc/AbstractIrcServer.hpp

@@ -22,7 +22,7 @@ class AbstractIrcServer : public QObject
 public:
     enum ConnectionType { Read = 1, Write = 2, Both = 3 };
 
-    virtual ~AbstractIrcServer() = default;
+    ~AbstractIrcServer() override = default;
 
     // initializeIrc must be called from the derived class
     // this allows us to initialize the abstract IRC server based on the derived class's parameters

src/providers/irc/Irc2.cpp

@@ -18,6 +18,7 @@
 namespace chatterino {
 
 namespace {
+
     QString configPath()
     {
         return combinePath(getPaths()->settingsDirectory, "irc.json");
@@ -33,7 +34,7 @@ namespace {
 
         // turn a vector item into a model row
         IrcServerData getItemFromRow(std::vector<QStandardItem *> &row,
-                                     const IrcServerData &original)
+                                     const IrcServerData &original) override
         {
             return IrcServerData{
                 row[0]->data(Qt::EditRole).toString(),      // host
@@ -50,7 +51,7 @@ namespace {
 
         // turns a row in the model into a vector item
         void getRowFromItem(const IrcServerData &item,
-                            std::vector<QStandardItem *> &row)
+                            std::vector<QStandardItem *> &row) override
         {
             setStringItem(row[0], item.host, false);
             setStringItem(row[1], QString::number(item.port));
@@ -60,6 +61,7 @@ namespace {
             setStringItem(row[5], item.real);
         }
     };
+
 }  // namespace
 
 inline QString escape(QString str)

src/providers/irc/IrcChannel2.hpp

@@ -8,7 +8,7 @@ namespace chatterino {
 class Irc;
 class IrcServer;
 
-class IrcChannel : public Channel, public ChannelChatters
+class IrcChannel final : public Channel, public ChannelChatters
 {
 public:
     explicit IrcChannel(const QString &name, IrcServer *server);
@@ -19,8 +19,8 @@ public:
     IrcServer *server();
 
     // Channel methods
-    virtual bool canReconnect() const override;
-    virtual void reconnect() override;
+    bool canReconnect() const override;
+    void reconnect() override;
 
 private:
     void setServer(IrcServer *server);