Add final keyword to most classes.

143 files changed, 271 insertions, 261 deletions

diff --git a/src/gui/beingpopup.h b/src/gui/beingpopup.h
index f58921cf2..a1f5c0cbd 100644
--- a/src/gui/beingpopup.h
+++ b/src/gui/beingpopup.h
@@ -30,7 +30,7 @@ class Label;
 /**
  * A popup that displays information about a being.
  */
-class BeingPopup : public Popup
+class BeingPopup final : public Popup
 {
     public:
         /**
diff --git a/src/gui/botcheckerwindow.cpp b/src/gui/botcheckerwindow.cpp
index 7a4aa99e6..c01925c05 100644
--- a/src/gui/botcheckerwindow.cpp
+++ b/src/gui/botcheckerwindow.cpp
@@ -58,7 +58,7 @@ const int TIME_COLUMN_WIDTH  = 70;
 
 #define WIDGET_AT(row, column) (((row) * COLUMNS_NR) + column)
 
-class UsersTableModel : public TableModel
+class UsersTableModel final : public TableModel
 {
 public:
     UsersTableModel() :
diff --git a/src/gui/botcheckerwindow.h b/src/gui/botcheckerwindow.h
index 705ddd73c..5e6641161 100644
--- a/src/gui/botcheckerwindow.h
+++ b/src/gui/botcheckerwindow.h
@@ -31,7 +31,7 @@
 
 #include <vector>
 
-struct BOTCHK
+struct BOTCHK final
 {
     short id;      /**< Index into "botchecker_db" array */
     short lv, sp;
@@ -47,8 +47,9 @@ namespace gcn
     class Button;
 }
 
-class BotCheckerWindow : public Window, public gcn::ActionListener,
-                         public ConfigListener
+class BotCheckerWindow final : public Window,
+                               public gcn::ActionListener,
+                               public ConfigListener
 {
     public:
         friend class UsersTableModel;
diff --git a/src/gui/buydialog.h b/src/gui/buydialog.h
index 50d8a4d0b..91badb30d 100644
--- a/src/gui/buydialog.h
+++ b/src/gui/buydialog.h
@@ -46,8 +46,8 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class BuyDialog : public Window, public gcn::ActionListener,
-                  public gcn::SelectionListener
+class BuyDialog final : public Window, public gcn::ActionListener,
+                        public gcn::SelectionListener
 {
     public:
         /**
diff --git a/src/gui/buyselldialog.h b/src/gui/buyselldialog.h
index dfc59415e..d6fc3daa1 100644
--- a/src/gui/buyselldialog.h
+++ b/src/gui/buyselldialog.h
@@ -37,7 +37,7 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class BuySellDialog : public Window, public gcn::ActionListener
+class BuySellDialog final : public Window, public gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/changeemaildialog.h b/src/gui/changeemaildialog.h
index 6077a3d93..0db1d52df 100644
--- a/src/gui/changeemaildialog.h
+++ b/src/gui/changeemaildialog.h
@@ -42,7 +42,7 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class ChangeEmailDialog : public Window, public gcn::ActionListener
+class ChangeEmailDialog final : public Window, public gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/changepassworddialog.h b/src/gui/changepassworddialog.h
index e6cb18c7e..348311e48 100644
--- a/src/gui/changepassworddialog.h
+++ b/src/gui/changepassworddialog.h
@@ -42,7 +42,7 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class ChangePasswordDialog : public Window, public gcn::ActionListener
+class ChangePasswordDialog final : public Window, public gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/charcreatedialog.h b/src/gui/charcreatedialog.h
index 83521e301..6e087d9a7 100644
--- a/src/gui/charcreatedialog.h
+++ b/src/gui/charcreatedialog.h
@@ -46,9 +46,9 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class CharCreateDialog : public Window,
-                         public gcn::ActionListener,
-                         public gcn::KeyListener
+class CharCreateDialog final : public Window,
+                               public gcn::ActionListener,
+                               public gcn::KeyListener
 {
     public:
         /**
diff --git a/src/gui/charselectdialog.cpp b/src/gui/charselectdialog.cpp
index e2f8f652c..3307f9b76 100644
--- a/src/gui/charselectdialog.cpp
+++ b/src/gui/charselectdialog.cpp
@@ -66,7 +66,7 @@ static const int SLOTS_PER_ROW = 5;
 /**
  * Listener for confirming character deletion.
  */
-class CharDeleteConfirm : public ConfirmDialog
+class CharDeleteConfirm final : public ConfirmDialog
 {
     public:
         CharDeleteConfirm(CharSelectDialog *const m, const int index) :
@@ -91,7 +91,7 @@ class CharDeleteConfirm : public ConfirmDialog
         int mIndex;
 };
 
-class CharacterDisplay : public Container
+class CharacterDisplay final : public Container
 {
     public:
         CharacterDisplay(CharSelectDialog *const charSelectDialog);
diff --git a/src/gui/charselectdialog.h b/src/gui/charselectdialog.h
index 398909f8a..a76507f98 100644
--- a/src/gui/charselectdialog.h
+++ b/src/gui/charselectdialog.h
@@ -55,9 +55,9 @@ namespace Net
  *
  * \ingroup Interface
  */
-class CharSelectDialog : public Window,
-                         public gcn::ActionListener,
-                         public gcn::KeyListener
+class CharSelectDialog final : public Window,
+                               public gcn::ActionListener,
+                               public gcn::KeyListener
 {
     public:
         friend class CharDeleteConfirm;
diff --git a/src/gui/chatwindow.cpp b/src/gui/chatwindow.cpp
index fdc6169ed..4897a06bd 100644
--- a/src/gui/chatwindow.cpp
+++ b/src/gui/chatwindow.cpp
@@ -73,7 +73,7 @@
 /**
  * The chat input hides when it loses focus. It is also invisible by default.
  */
-class ChatInput : public TextField, public gcn::FocusListener
+class ChatInput final : public TextField, public gcn::FocusListener
 {
     public:
         ChatInput(ChatWindow *const window, TabbedArea *const tabs):
@@ -131,7 +131,7 @@ const char *COLOR_NAME[14] =
 };
 
 
-class ColorListModel : public gcn::ListModel
+class ColorListModel final : public gcn::ListModel
 {
 public:
     virtual ~ColorListModel()
diff --git a/src/gui/chatwindow.h b/src/gui/chatwindow.h
index 4d4b249e6..db3d496c3 100644
--- a/src/gui/chatwindow.h
+++ b/src/gui/chatwindow.h
@@ -72,7 +72,7 @@ enum Own
 };
 
 /** One item in the chat log */
-struct CHATLOG
+struct CHATLOG final
 {
     std::string nick;
     std::string text;
@@ -84,11 +84,11 @@ struct CHATLOG
  *
  * \ingroup Interface
  */
-class ChatWindow : public Window,
-                   public gcn::ActionListener,
-                   public gcn::KeyListener,
-                   public Listener,
-                   public ConfigListener
+class ChatWindow final : public Window,
+                         public gcn::ActionListener,
+                         public gcn::KeyListener,
+                         public Listener,
+                         public ConfigListener
 {
     public:
         /**
diff --git a/src/gui/connectiondialog.h b/src/gui/connectiondialog.h
index df836feab..56923bb7d 100644
--- a/src/gui/connectiondialog.h
+++ b/src/gui/connectiondialog.h
@@ -34,7 +34,7 @@
  *
  * \ingroup Interface
  */
-class ConnectionDialog : public Window, private gcn::ActionListener
+class ConnectionDialog final : public Window, private gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/debugwindow.h b/src/gui/debugwindow.h
index 1a35e890b..4eca9ffae 100644
--- a/src/gui/debugwindow.h
+++ b/src/gui/debugwindow.h
@@ -49,7 +49,7 @@ class DebugTab : public Container
     private:
 };
 
-class MapDebugTab : public DebugTab
+class MapDebugTab final : public DebugTab
 {
     friend class DebugWindow;
 
@@ -73,7 +73,7 @@ class MapDebugTab : public DebugTab
         std::string mFPSText;
 };
 
-class TargetDebugTab : public DebugTab
+class TargetDebugTab final : public DebugTab
 {
     friend class DebugWindow;
 
@@ -95,7 +95,7 @@ class TargetDebugTab : public DebugTab
         Label *mCriticalHitLabel;
 };
 
-class NetDebugTab : public DebugTab
+class NetDebugTab final : public DebugTab
 {
     friend class DebugWindow;
 
@@ -115,7 +115,7 @@ class NetDebugTab : public DebugTab
  *
  * \ingroup Interface
  */
-class DebugWindow : public Window
+class DebugWindow final : public Window
 {
     public:
         /**
diff --git a/src/gui/didyouknowwindow.h b/src/gui/didyouknowwindow.h
index d4452fcd2..737203298 100644
--- a/src/gui/didyouknowwindow.h
+++ b/src/gui/didyouknowwindow.h
@@ -41,8 +41,9 @@ namespace gcn
 /**
  * The help dialog.
  */
-class DidYouKnowWindow : public Window, public LinkHandler,
-                   public gcn::ActionListener
+class DidYouKnowWindow final : public Window,
+                               public LinkHandler,
+                               public gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/editdialog.h b/src/gui/editdialog.h
index 0e7283b3e..94e7aabbf 100644
--- a/src/gui/editdialog.h
+++ b/src/gui/editdialog.h
@@ -39,7 +39,7 @@ class TextField;
  *
  * \ingroup GUI
  */
-class EditDialog : public Window, public gcn::ActionListener
+class EditDialog final : public Window, public gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/editserverdialog.h b/src/gui/editserverdialog.h
index d66a7b3b7..63631ffef 100644
--- a/src/gui/editserverdialog.h
+++ b/src/gui/editserverdialog.h
@@ -76,9 +76,9 @@ class TypeListModel : public gcn::ListModel
  *
  * \ingroup Interface
  */
-class EditServerDialog : public Window,
-                         public gcn::ActionListener,
-                         public gcn::KeyListener
+class EditServerDialog final : public Window,
+                               public gcn::ActionListener,
+                               public gcn::KeyListener
 {
     public:
         EditServerDialog(ServerDialog *const parent, ServerInfo server,
diff --git a/src/gui/equipmentwindow.h b/src/gui/equipmentwindow.h
index a2f87ca3c..ba94006c9 100644
--- a/src/gui/equipmentwindow.h
+++ b/src/gui/equipmentwindow.h
@@ -49,7 +49,7 @@ namespace gcn
     class Button;
 }
 
-struct EquipmentBox
+struct EquipmentBox final
 {
     EquipmentBox(const int x0, const int y0, Image *const img) :
         x(x0), y(y0), image(img)
@@ -65,7 +65,7 @@ struct EquipmentBox
  *
  * \ingroup Interface
  */
-class EquipmentWindow : public Window, public gcn::ActionListener
+class EquipmentWindow final : public Window, public gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/focushandler.h b/src/gui/focushandler.h
index 064f04697..a2c565ff6 100644
--- a/src/gui/focushandler.h
+++ b/src/gui/focushandler.h
@@ -27,12 +27,14 @@
 
 #include <list>
 
+#include "localconsts.h"
+
 /**
  * The focus handler. This focus handler does exactly the same as the Guichan
  * focus handler, but keeps a stack of modal widgets to be able to handle
  * multiple modal focus requests.
  */
-class FocusHandler : public gcn::FocusHandler
+class FocusHandler final : public gcn::FocusHandler
 {
     public:
         /**
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 237c867bf..c502ce04a 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -55,7 +55,7 @@ SDLInput *guiInput = nullptr;
 // Bolded font
 SDLFont *boldFont = nullptr;
 
-class GuiConfigListener : public ConfigListener
+class GuiConfigListener final : public ConfigListener
 {
     public:
         GuiConfigListener(Gui *const g):
diff --git a/src/gui/gui.h b/src/gui/gui.h
index d293e3015..ee1cb9092 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -44,7 +44,7 @@ class SDLInput;
  *
  * \ingroup GUI
  */
-class Gui : public gcn::Gui
+class Gui final : public gcn::Gui
 {
     public:
         /**
diff --git a/src/gui/helpwindow.h b/src/gui/helpwindow.h
index 9d89c03c4..677079964 100644
--- a/src/gui/helpwindow.h
+++ b/src/gui/helpwindow.h
@@ -46,10 +46,10 @@ typedef HelpNames::const_iterator HelpNamesCIter;
 typedef std::map<std::string, HelpNames> HelpTagsMap;
 
 /**
- * The help dialog.
+ * The help window.
  */
-class HelpWindow : public Window, public LinkHandler,
-                   public gcn::ActionListener
+class HelpWindow final : public Window, public LinkHandler,
+                         public gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/inventorywindow.cpp b/src/gui/inventorywindow.cpp
index e0538224a..6faa4e5d1 100644
--- a/src/gui/inventorywindow.cpp
+++ b/src/gui/inventorywindow.cpp
@@ -69,7 +69,7 @@ const char *SORT_NAME[6] =
     N_("by type")
 };
 
-class SortListModel : public gcn::ListModel
+class SortListModel final : public gcn::ListModel
 {
 public:
     virtual ~SortListModel()
diff --git a/src/gui/inventorywindow.h b/src/gui/inventorywindow.h
index 2f8261228..f06ee487e 100644
--- a/src/gui/inventorywindow.h
+++ b/src/gui/inventorywindow.h
@@ -55,12 +55,12 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class InventoryWindow : public Window,
-                        public gcn::ActionListener,
-                        public gcn::KeyListener,
-                        public gcn::SelectionListener,
-                        public InventoryListener,
-                        public Listener
+class InventoryWindow final : public Window,
+                              public gcn::ActionListener,
+                              public gcn::KeyListener,
+                              public gcn::SelectionListener,
+                              public InventoryListener,
+                              public Listener
 {
     public:
         /**
diff --git a/src/gui/itemamountwindow.cpp b/src/gui/itemamountwindow.cpp
index 98fe9582a..02bddbc11 100644
--- a/src/gui/itemamountwindow.cpp
+++ b/src/gui/itemamountwindow.cpp
@@ -47,7 +47,7 @@
 
 #include "debug.h"
 
-class ItemsModal : public gcn::ListModel
+class ItemsModal final : public gcn::ListModel
 {
 public:
     ItemsModal()
diff --git a/src/gui/itemamountwindow.h b/src/gui/itemamountwindow.h
index c06d9a618..fd3ef3ab0 100644
--- a/src/gui/itemamountwindow.h
+++ b/src/gui/itemamountwindow.h
@@ -46,9 +46,9 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class ItemAmountWindow : public Window,
-                         public gcn::ActionListener,
-                         public gcn::KeyListener
+class ItemAmountWindow final : public Window,
+                               public gcn::ActionListener,
+                               public gcn::KeyListener
 {
     public:
         enum Usage
diff --git a/src/gui/itempopup.h b/src/gui/itempopup.h
index dd2bae83d..0bdfcfeb5 100644
--- a/src/gui/itempopup.h
+++ b/src/gui/itempopup.h
@@ -44,7 +44,7 @@ namespace gcn
 /**
  * A popup that displays information about an item.
  */
-class ItemPopup : public Popup
+class ItemPopup final : public Popup
 {
     public:
         /**
diff --git a/src/gui/killstats.h b/src/gui/killstats.h
index 6587ca462..1db3a4943 100644
--- a/src/gui/killstats.h
+++ b/src/gui/killstats.h
@@ -37,7 +37,9 @@ namespace gcn
     class Label;
 }
 
-class KillStats : public Window, private gcn::ActionListener, public Listener
+class KillStats final : public Window,
+                        private gcn::ActionListener,
+                        public Listener
 {
     public:
         /**
diff --git a/src/gui/logindialog.cpp b/src/gui/logindialog.cpp
index 4f0325a1d..d70e8e4df 100644
--- a/src/gui/logindialog.cpp
+++ b/src/gui/logindialog.cpp
@@ -57,7 +57,7 @@ const char *UPDATE_TYPE_TEXT[3] =
     N_("Skip"),
 };
 
-class UpdateTypeModel : public gcn::ListModel
+class UpdateTypeModel final : public gcn::ListModel
 {
 public:
     virtual ~UpdateTypeModel()
@@ -77,7 +77,7 @@ public:
     }
 };
 
-class UpdateListModel : public gcn::ListModel
+class UpdateListModel final : public gcn::ListModel
 {
     public:
         UpdateListModel(LoginData *const data) :
diff --git a/src/gui/logindialog.h b/src/gui/logindialog.h
index e2c882ee4..9b6ace887 100644
--- a/src/gui/logindialog.h
+++ b/src/gui/logindialog.h
@@ -50,8 +50,8 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class LoginDialog : public Window, public gcn::ActionListener,
-                    public gcn::KeyListener
+class LoginDialog final : public Window, public gcn::ActionListener,
+                          public gcn::KeyListener
 {
     public:
         /**
diff --git a/src/gui/minimap.h b/src/gui/minimap.h
index ee5a63f6a..95b29ad89 100644
--- a/src/gui/minimap.h
+++ b/src/gui/minimap.h
@@ -38,7 +38,7 @@ class TextPopup;
  *
  * \ingroup Interface
  */
-class Minimap : public Window
+class Minimap final : public Window
 {
     public:
         Minimap();
diff --git a/src/gui/ministatuswindow.h b/src/gui/ministatuswindow.h
index cba3c3c4c..bfb14c2b8 100644
--- a/src/gui/ministatuswindow.h
+++ b/src/gui/ministatuswindow.h
@@ -41,9 +41,9 @@ class TextPopup;
  *
  * \ingroup Interface
  */
-class MiniStatusWindow : public Popup,
-                         public InventoryListener,
-                         public Listener
+class MiniStatusWindow final : public Popup,
+                               public InventoryListener,
+                               public Listener
 {
     public:
         MiniStatusWindow();
diff --git a/src/gui/npcdialog.h b/src/gui/npcdialog.h
index 02479c4b1..6437311b4 100644
--- a/src/gui/npcdialog.h
+++ b/src/gui/npcdialog.h
@@ -55,8 +55,8 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class NpcDialog : public Window, public gcn::ActionListener,
-                  public ExtendedListModel, public ConfigListener
+class NpcDialog final : public Window, public gcn::ActionListener,
+                        public ExtendedListModel, public ConfigListener
 {
     public:
         /**
diff --git a/src/gui/npcpostdialog.h b/src/gui/npcpostdialog.h
index af5e735a2..96b51fb47 100644
--- a/src/gui/npcpostdialog.h
+++ b/src/gui/npcpostdialog.h
@@ -30,7 +30,7 @@
 class TextBox;
 class TextField;
 
-class NpcPostDialog : public Window, public gcn::ActionListener
+class NpcPostDialog final : public Window, public gcn::ActionListener
 {
 public:
     /**
diff --git a/src/gui/okdialog.h b/src/gui/okdialog.h
index 676fe4a80..2d2fefee4 100644
--- a/src/gui/okdialog.h
+++ b/src/gui/okdialog.h
@@ -43,7 +43,7 @@ enum
  *
  * \ingroup GUI
  */
-class OkDialog : public Window, public gcn::ActionListener
+class OkDialog final : public Window, public gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/outfitwindow.h b/src/gui/outfitwindow.h
index 7ab15c7c1..a72bf332a 100644
--- a/src/gui/outfitwindow.h
+++ b/src/gui/outfitwindow.h
@@ -42,7 +42,7 @@ class CheckBox;
 class Item;
 class Label;
 
-class OutfitWindow : public Window, private gcn::ActionListener
+class OutfitWindow final : public Window, private gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/popupmenu.h b/src/gui/popupmenu.h
index 550fa28b0..3ce363a34 100644
--- a/src/gui/popupmenu.h
+++ b/src/gui/popupmenu.h
@@ -45,7 +45,7 @@ class TextDialog;
 class ProgressBar;
 class Window;
 
-class RenameListener : public gcn::ActionListener
+class RenameListener final : public gcn::ActionListener
 {
     public:
         RenameListener();
@@ -88,7 +88,7 @@ class PlayerListener : public gcn::ActionListener
 /**
  * Window showing popup menu.
  */
-class PopupMenu : public Popup, public LinkHandler
+class PopupMenu final : public Popup, public LinkHandler
 {
     public:
         /**
diff --git a/src/gui/questswindow.cpp b/src/gui/questswindow.cpp
index 092fdc6c3..66a7d50cf 100644
--- a/src/gui/questswindow.cpp
+++ b/src/gui/questswindow.cpp
@@ -45,7 +45,7 @@
 
 #include "debug.h"
 
-struct QuestItemText
+struct QuestItemText final
 {
     QuestItemText(std::string text0, const int type0) :
         text(text0), type(type0)
@@ -56,7 +56,7 @@ struct QuestItemText
     int type;
 };
 
-struct QuestItem
+struct QuestItem final
 {
     QuestItem() :
         var(0), completeFlag(-1)
@@ -72,7 +72,7 @@ struct QuestItem
     int completeFlag;
 };
 
-class QuestsModel : public ExtendedNamesModel
+class QuestsModel final : public ExtendedNamesModel
 {
     public:
         QuestsModel() :
diff --git a/src/gui/questswindow.h b/src/gui/questswindow.h
index 30815d751..017dd43c3 100644
--- a/src/gui/questswindow.h
+++ b/src/gui/questswindow.h
@@ -41,7 +41,7 @@ class QuestsModel;
 
 struct QuestItem;
 
-class QuestsWindow : public Window, public gcn::ActionListener
+class QuestsWindow final : public Window, public gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/quitdialog.h b/src/gui/quitdialog.h
index 5a4134d3a..4c26ee90e 100644
--- a/src/gui/quitdialog.h
+++ b/src/gui/quitdialog.h
@@ -41,8 +41,8 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class QuitDialog : public Window, public gcn::ActionListener,
-                   public gcn::KeyListener
+class QuitDialog final : public Window, public gcn::ActionListener,
+                         public gcn::KeyListener
 {
     public:
         /**
diff --git a/src/gui/registerdialog.h b/src/gui/registerdialog.h
index 138695177..6117da102 100644
--- a/src/gui/registerdialog.h
+++ b/src/gui/registerdialog.h
@@ -45,7 +45,7 @@ namespace gcn
  * to the field which contained wrong data when the Ok button was pressed on
  * the error notice.
  */
-class WrongDataNoticeListener : public gcn::ActionListener
+class WrongDataNoticeListener final : public gcn::ActionListener
 {
     public:
         WrongDataNoticeListener();
@@ -60,8 +60,8 @@ class WrongDataNoticeListener : public gcn::ActionListener
  *
  * \ingroup Interface
  */
-class RegisterDialog : public Window, public gcn::ActionListener,
-                       public gcn::KeyListener
+class RegisterDialog final : public Window, public gcn::ActionListener,
+                             public gcn::KeyListener
 {
     public:
         /**
diff --git a/src/gui/sdlfont.cpp b/src/gui/sdlfont.cpp
index 5422a4c67..33581767d 100644
--- a/src/gui/sdlfont.cpp
+++ b/src/gui/sdlfont.cpp
@@ -45,7 +45,7 @@ const unsigned int CLEAN_TIME = 5;
 
 char *strBuf;
 
-class SDLTextChunk
+class SDLTextChunk final
 {
     public:
         SDLTextChunk(const std::string &text0, const gcn::Color &color0) :
diff --git a/src/gui/sdlfont.h b/src/gui/sdlfont.h
index a736c70e0..5d94d5f82 100644
--- a/src/gui/sdlfont.h
+++ b/src/gui/sdlfont.h
@@ -35,6 +35,8 @@
 #include <list>
 #include <string>
 
+#include "localconsts.h"
+
 const unsigned int CACHES_NUMBER = 256;
 
 class SDLTextChunk;
@@ -44,7 +46,7 @@ class SDLTextChunk;
  *
  * <b>NOTE:</b> This class initializes SDL_ttf as necessary.
  */
-class SDLFont : public gcn::Font
+class SDLFont final : public gcn::Font
 {
     public:
         /**
diff --git a/src/gui/sdlinput.h b/src/gui/sdlinput.h
index 534f0573e..2bedad3e0 100644
--- a/src/gui/sdlinput.h
+++ b/src/gui/sdlinput.h
@@ -127,7 +127,7 @@ namespace Key
 /**
  * SDL implementation of Input.
  */
-class SDLInput : public gcn::Input
+class SDLInput final : public gcn::Input
 {
 public:
 
diff --git a/src/gui/selldialog.h b/src/gui/selldialog.h
index 5c1e7300d..1fe5e234f 100644
--- a/src/gui/selldialog.h
+++ b/src/gui/selldialog.h
@@ -47,9 +47,9 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class SellDialog : public Window,
-                   private gcn::ActionListener,
-                   private gcn::SelectionListener
+class SellDialog final : public Window,
+                         private gcn::ActionListener,
+                         private gcn::SelectionListener
 {
     public:
         /**
diff --git a/src/gui/serverdialog.cpp b/src/gui/serverdialog.cpp
index 472d01223..408c1c3e2 100644
--- a/src/gui/serverdialog.cpp
+++ b/src/gui/serverdialog.cpp
@@ -154,7 +154,7 @@ void ServersListModel::setVersionString(const int index,
     }
 }
 
-class ServersListBox : public ListBox
+class ServersListBox final : public ListBox
 {
 public:
     ServersListBox(ServersListModel *const model) :
diff --git a/src/gui/serverdialog.h b/src/gui/serverdialog.h
index 741005a07..1c6e850cb 100644
--- a/src/gui/serverdialog.h
+++ b/src/gui/serverdialog.h
@@ -50,7 +50,7 @@ class DropDown;
 /**
  * Server and Port List Model
  */
-class ServersListModel : public gcn::ListModel
+class ServersListModel final : public gcn::ListModel
 {
     public:
         typedef std::pair<int, std::string> VersionString;
diff --git a/src/gui/setup.h b/src/gui/setup.h
index 71b9594b6..5687e8c7e 100644
--- a/src/gui/setup.h
+++ b/src/gui/setup.h
@@ -46,7 +46,7 @@ class SetupTab;
  *
  * \ingroup GUI
  */
-class Setup : public Window, public gcn::ActionListener
+class Setup final : public Window, public gcn::ActionListener
 {
     public:
         Setup();
diff --git a/src/gui/setup_audio.cpp b/src/gui/setup_audio.cpp
index 27fceee92..1faeca28a 100644
--- a/src/gui/setup_audio.cpp
+++ b/src/gui/setup_audio.cpp
@@ -36,7 +36,7 @@
 
 #include "debug.h"
 
-class SoundsModel : public NamesModel
+class SoundsModel final : public NamesModel
 {
 public:
     SoundsModel() :
diff --git a/src/gui/setup_audio.h b/src/gui/setup_audio.h
index 65bce0c14..8019f2ea2 100644
--- a/src/gui/setup_audio.h
+++ b/src/gui/setup_audio.h
@@ -29,7 +29,7 @@
 
 #include <guichan/actionlistener.hpp>
 
-class Setup_Audio : public SetupTabScroll
+class Setup_Audio final : public SetupTabScroll
 {
     public:
         Setup_Audio();
diff --git a/src/gui/setup_chat.h b/src/gui/setup_chat.h
index ad3783fa1..a14b05cd4 100644
--- a/src/gui/setup_chat.h
+++ b/src/gui/setup_chat.h
@@ -30,7 +30,7 @@
 class IntTextField;
 class EditDialog;
 
-class Setup_Chat : public SetupTabScroll
+class Setup_Chat final : public SetupTabScroll
 {
     public:
         Setup_Chat();
diff --git a/src/gui/setup_colors.h b/src/gui/setup_colors.h
index 534ba5e86..3f30d8d4c 100644
--- a/src/gui/setup_colors.h
+++ b/src/gui/setup_colors.h
@@ -41,8 +41,8 @@ namespace gcn
     class Slider;
 }
 
-class Setup_Colors : public SetupTab,
-                     public gcn::SelectionListener
+class Setup_Colors final : public SetupTab,
+                           public gcn::SelectionListener
 {
     public:
         Setup_Colors();
diff --git a/src/gui/setup_input.cpp b/src/gui/setup_input.cpp
index 82480e0e0..68a14f557 100644
--- a/src/gui/setup_input.cpp
+++ b/src/gui/setup_input.cpp
@@ -50,7 +50,7 @@ const int setupGroups = 9;
  *
  * \ingroup Interface
  */
-class KeyListModel : public gcn::ListModel
+class KeyListModel final : public gcn::ListModel
 {
     public:
         KeyListModel() :
diff --git a/src/gui/setup_input.h b/src/gui/setup_input.h
index f3e2f7113..2346cc67d 100644
--- a/src/gui/setup_input.h
+++ b/src/gui/setup_input.h
@@ -36,7 +36,7 @@
 class TabStrip;
 struct SetupActionData;
 
-class Setup_Input : public SetupTab
+class Setup_Input final : public SetupTab
 {
     public:
         /**
diff --git a/src/gui/setup_joystick.h b/src/gui/setup_joystick.h
index 35a21080a..63d9e7880 100644
--- a/src/gui/setup_joystick.h
+++ b/src/gui/setup_joystick.h
@@ -37,7 +37,7 @@ namespace gcn
     class Label;
 }
 
-class Setup_Joystick : public SetupTab
+class Setup_Joystick final : public SetupTab
 {
     public:
         Setup_Joystick();
diff --git a/src/gui/setup_other.h b/src/gui/setup_other.h
index 3b424479b..22281022a 100644
--- a/src/gui/setup_other.h
+++ b/src/gui/setup_other.h
@@ -30,7 +30,7 @@
 class EditDialog;
 class TextField;
 
-class Setup_Other : public SetupTabScroll
+class Setup_Other final : public SetupTabScroll
 {
     public:
         Setup_Other();
diff --git a/src/gui/setup_perfomance.h b/src/gui/setup_perfomance.h
index b8e625a1a..0e03a145e 100644
--- a/src/gui/setup_perfomance.h
+++ b/src/gui/setup_perfomance.h
@@ -30,7 +30,7 @@
 class IntTextField;
 class EditDialog;
 
-class Setup_Perfomance : public SetupTabScroll
+class Setup_Perfomance final : public SetupTabScroll
 {
     public:
         Setup_Perfomance();
diff --git a/src/gui/setup_players.h b/src/gui/setup_players.h
index c66c0049e..c9779786f 100644
--- a/src/gui/setup_players.h
+++ b/src/gui/setup_players.h
@@ -30,7 +30,7 @@
 class IntTextField;
 class EditDialog;
 
-class Setup_Players : public SetupTabScroll
+class Setup_Players final : public SetupTabScroll
 {
     public:
         Setup_Players();
diff --git a/src/gui/setup_relations.cpp b/src/gui/setup_relations.cpp
index 50a41e3e6..48271f6b7 100644
--- a/src/gui/setup_relations.cpp
+++ b/src/gui/setup_relations.cpp
@@ -72,7 +72,7 @@ static const char *RELATION_NAMES[PlayerRelation::RELATIONS_NR] =
     N_("Enemy")
 };
 
-class PlayerRelationListModel : public gcn::ListModel
+class PlayerRelationListModel final : public gcn::ListModel
 {
 public:
     virtual ~PlayerRelationListModel()
@@ -91,7 +91,7 @@ public:
     }
 };
 
-class PlayerTableModel : public TableModel
+class PlayerTableModel final : public TableModel
 {
 public:
     PlayerTableModel() :
@@ -206,7 +206,7 @@ protected:
 /**
  * Class for choosing one of the various `what to do when ignoring a player' options
  */
-class IgnoreChoicesListModel : public gcn::ListModel
+class IgnoreChoicesListModel final : public gcn::ListModel
 {
 public:
     virtual ~IgnoreChoicesListModel()
diff --git a/src/gui/setup_relations.h b/src/gui/setup_relations.h
index 0980371b9..d81a80a60 100644
--- a/src/gui/setup_relations.h
+++ b/src/gui/setup_relations.h
@@ -43,8 +43,8 @@ namespace gcn
     class ScrollArea;
 }
 
-class Setup_Relations : public SetupTab,
-                        public PlayerRelationsListener
+class Setup_Relations final : public SetupTab,
+                              public PlayerRelationsListener
 {
 public:
     Setup_Relations();
diff --git a/src/gui/setup_theme.cpp b/src/gui/setup_theme.cpp
index ddfd52291..4a8a1f296 100644
--- a/src/gui/setup_theme.cpp
+++ b/src/gui/setup_theme.cpp
@@ -52,7 +52,7 @@ const char* ACTION_HELP_FONT = "help font";
 const char* ACTION_SECURE_FONT = "secure font";
 const char* ACTION_JAPAN_FONT = "japan font";
 
-class ThemesModel : public NamesModel
+class ThemesModel final : public NamesModel
 {
 public:
     ThemesModel() :
@@ -66,7 +66,7 @@ public:
     { }
 };
 
-class FontsModel : public NamesModel
+class FontsModel final : public NamesModel
 {
 public:
     FontsModel() :
@@ -94,7 +94,7 @@ const char *SIZE_NAME[maxFontSizes] =
     N_("Very huge (19)"),
 };
 
-class FontSizeChoiceListModel : public gcn::ListModel
+class FontSizeChoiceListModel final : public gcn::ListModel
 {
 public:
     virtual ~FontSizeChoiceListModel()
@@ -112,10 +112,9 @@ public:
     }
 };
 
-struct Language
+struct Language final
 {
     std::string name;
-
     std::string value;
 };
 
@@ -141,7 +140,7 @@ const Language LANG_NAME[langs_count] =
     {N_("Spanish (Castilian)"), "es_ES"}
 };
 
-class LangListModel : public gcn::ListModel
+class LangListModel final : public gcn::ListModel
 {
 public:
     virtual ~LangListModel()
diff --git a/src/gui/setup_theme.h b/src/gui/setup_theme.h
index cc8b01fbe..53f23d267 100644
--- a/src/gui/setup_theme.h
+++ b/src/gui/setup_theme.h
@@ -40,7 +40,7 @@ namespace gcn
     class Label;
 }
 
-class Setup_Theme : public SetupTab
+class Setup_Theme final : public SetupTab
 {
     public:
         Setup_Theme();
diff --git a/src/gui/setup_video.cpp b/src/gui/setup_video.cpp
index 3bd6ab139..5157f8e9f 100644
--- a/src/gui/setup_video.cpp
+++ b/src/gui/setup_video.cpp
@@ -68,7 +68,7 @@ extern Graphics *mainGraphics;
  *
  * \ingroup Interface
  */
-class ModeListModel : public gcn::ListModel
+class ModeListModel final : public gcn::ListModel
 {
     public:
         /**
@@ -199,7 +199,7 @@ const char *OPENGL_NAME[3] =
     N_("Safe OpenGL"),
 };
 
-class OpenGLListModel : public gcn::ListModel
+class OpenGLListModel final : public gcn::ListModel
 {
 public:
     virtual ~OpenGLListModel()
diff --git a/src/gui/setup_video.h b/src/gui/setup_video.h
index 84b1084c7..fc3f61439 100644
--- a/src/gui/setup_video.h
+++ b/src/gui/setup_video.h
@@ -44,7 +44,7 @@ namespace gcn
     class Slider;
 }
 
-class Setup_Video : public SetupTab, public gcn::KeyListener
+class Setup_Video final : public SetupTab, public gcn::KeyListener
 {
     public:
         Setup_Video();
diff --git a/src/gui/setup_visual.h b/src/gui/setup_visual.h
index 14c11f3b2..1daab2462 100644
--- a/src/gui/setup_visual.h
+++ b/src/gui/setup_visual.h
@@ -24,7 +24,7 @@
 
 #include "gui/widgets/setupitem.h"
 
-class Setup_Visual : public SetupTabScroll
+class Setup_Visual final : public SetupTabScroll
 {
     public:
         Setup_Visual();
diff --git a/src/gui/setupactiondata.h b/src/gui/setupactiondata.h
index 1cf6dfeed..3fab79b61 100644
--- a/src/gui/setupactiondata.h
+++ b/src/gui/setupactiondata.h
@@ -35,7 +35,7 @@
 
 int selectedData = 0;
 
-struct SetupActionData
+struct SetupActionData final
 {
     std::string name;
     const int actionId;
diff --git a/src/gui/shopwindow.h b/src/gui/shopwindow.h
index fe830c52d..5faaeb8ab 100644
--- a/src/gui/shopwindow.h
+++ b/src/gui/shopwindow.h
@@ -48,11 +48,10 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class ShopWindow : public Window, public gcn::ActionListener,
-                   public gcn::SelectionListener
+class ShopWindow final : public Window, public gcn::ActionListener,
+                         public gcn::SelectionListener
 {
     public:
-
         enum ShopMode
         {
             BUY = 0,
diff --git a/src/gui/shortcutwindow.cpp b/src/gui/shortcutwindow.cpp
index 52ac58757..846bbb497 100644
--- a/src/gui/shortcutwindow.cpp
+++ b/src/gui/shortcutwindow.cpp
@@ -38,7 +38,7 @@ static const int SCROLL_PADDING = 0;
 
 int ShortcutWindow::mBoxesWidth = 0;
 
-class ShortcutTab : public Tab
+class ShortcutTab final : public Tab
 {
     public:
         ShortcutTab(std::string name, ShortcutContainer *const content) :
diff --git a/src/gui/shortcutwindow.h b/src/gui/shortcutwindow.h
index 9d50665b4..531df51ce 100644
--- a/src/gui/shortcutwindow.h
+++ b/src/gui/shortcutwindow.h
@@ -34,7 +34,7 @@ class TabbedArea;
  *
  * \ingroup Interface
  */
-class ShortcutWindow : public Window
+class ShortcutWindow final : public Window
 {
     public:
         /**
diff --git a/src/gui/skilldialog.cpp b/src/gui/skilldialog.cpp
index d25b44941..0c79d0bd6 100644
--- a/src/gui/skilldialog.cpp
+++ b/src/gui/skilldialog.cpp
@@ -60,7 +60,7 @@
 class SkillModel;
 class SkillEntry;
 
-class SkillModel : public gcn::ListModel
+class SkillModel final : public gcn::ListModel
 {
     public:
         int getNumberOfElements()
@@ -87,7 +87,7 @@ class SkillModel : public gcn::ListModel
         SkillList mVisibleSkills;
 };
 
-class SkillListBox : public ListBox
+class SkillListBox final : public ListBox
 {
     public:
         SkillListBox(SkillModel *const model):
@@ -184,7 +184,7 @@ class SkillListBox : public ListBox
         gcn::Color mTextColor;
 };
 
-class SkillTab : public Tab
+class SkillTab final : public Tab
 {
     public:
         SkillTab(const std::string &name, SkillListBox *const listBox) :
diff --git a/src/gui/skilldialog.h b/src/gui/skilldialog.h
index 09781d4ac..0fd961e1c 100644
--- a/src/gui/skilldialog.h
+++ b/src/gui/skilldialog.h
@@ -40,7 +40,7 @@ class SkillModel;
 class Tab;
 class TabbedArea;
 
-struct SkillInfo
+struct SkillInfo final
 {
     unsigned short id;
     std::string name;
@@ -81,7 +81,7 @@ typedef std::vector<SkillInfo*> SkillList;
  *
  * \ingroup Interface
  */
-class SkillDialog : public Window, public gcn::ActionListener
+class SkillDialog final : public Window, public gcn::ActionListener
 {
     public:
         SkillDialog();
diff --git a/src/gui/socialwindow.cpp b/src/gui/socialwindow.cpp
index c8f20edd2..549b2bcc4 100644
--- a/src/gui/socialwindow.cpp
+++ b/src/gui/socialwindow.cpp
@@ -55,7 +55,7 @@
 
 #include "debug.h"
 
-class SortFriendsFunctor
+class SortFriendsFunctor final
 {
     public:
         bool operator() (const Avatar *const m1, const Avatar *const m2) const
@@ -129,7 +129,7 @@ protected:
     AvatarListBox *mList;
 };
 
-class SocialGuildTab : public SocialTab, public gcn::ActionListener
+class SocialGuildTab final : public SocialTab, public gcn::ActionListener
 {
 public:
     SocialGuildTab(Guild *const guild, const bool showBackground) :
@@ -233,7 +233,7 @@ private:
     Guild *mGuild;
 };
 
-class SocialGuildTab2 : public SocialTab, public gcn::ActionListener
+class SocialGuildTab2 final : public SocialTab, public gcn::ActionListener
 {
 public:
     SocialGuildTab2(Guild *const guild, const bool showBackground) :
@@ -293,7 +293,7 @@ private:
     Guild *mGuild;
 };
 
-class SocialPartyTab : public SocialTab, public gcn::ActionListener
+class SocialPartyTab final : public SocialTab, public gcn::ActionListener
 {
 public:
     SocialPartyTab(Party *const party, const bool showBackground) :
@@ -396,7 +396,7 @@ private:
     Party *mParty;
 };
 
-class BeingsListModal : public AvatarListModel
+class BeingsListModal final : public AvatarListModel
 {
 public:
     BeingsListModal() :
@@ -428,7 +428,7 @@ public:
     std::vector<Avatar*> mMembers;
 };
 
-class SocialPlayersTab : public SocialTab
+class SocialPlayersTab final : public SocialTab
 {
 public:
     SocialPlayersTab(std::string name, const bool showBackground) :
@@ -594,7 +594,7 @@ private:
 };
 
 
-class SocialNavigationTab : public SocialTab
+class SocialNavigationTab final : public SocialTab
 {
 public:
     SocialNavigationTab(const bool showBackground) :
@@ -930,7 +930,7 @@ protected:
     std::list<std::string>::const_iterator i;\
     std::list<std::string>::const_iterator i_end;
 
-class SocialAttackTab : public SocialTab
+class SocialAttackTab final : public SocialTab
 {
 public:
     SocialAttackTab(const bool showBackground) :
@@ -986,7 +986,7 @@ private:
     BeingsListModal *mBeings;
 };
 
-class SocialPickupTab : public SocialTab
+class SocialPickupTab final : public SocialTab
 {
 public:
     SocialPickupTab(const bool showBackground) :
@@ -1042,7 +1042,7 @@ private:
 };
 
 
-class SocialFriendsTab : public SocialTab
+class SocialFriendsTab final : public SocialTab
 {
 public:
     SocialFriendsTab(std::string name, const bool showBackground) :
@@ -1136,7 +1136,7 @@ private:
 };
 
 
-class CreatePopup : public Popup, public LinkHandler
+class CreatePopup final : public Popup, public LinkHandler
 {
 public:
     CreatePopup() :
diff --git a/src/gui/socialwindow.h b/src/gui/socialwindow.h
index 0806c8d10..0287e9100 100644
--- a/src/gui/socialwindow.h
+++ b/src/gui/socialwindow.h
@@ -49,7 +49,7 @@ class PlayersTab;
  *
  * \ingroup Interface
  */
-class SocialWindow : public Window, private gcn::ActionListener
+class SocialWindow final : public Window, private gcn::ActionListener
 {
 public:
     SocialWindow();
diff --git a/src/gui/specialswindow.cpp b/src/gui/specialswindow.cpp
index d96ef7c85..eaeefcf78 100644
--- a/src/gui/specialswindow.cpp
+++ b/src/gui/specialswindow.cpp
@@ -53,7 +53,7 @@
 static const unsigned int SPECIALS_WIDTH = 200;
 static const unsigned int SPECIALS_HEIGHT = 32;
 
-class SpecialEntry : public Container
+class SpecialEntry final : public Container
 {
     public:
         SpecialEntry(SpecialInfo *info);
diff --git a/src/gui/specialswindow.h b/src/gui/specialswindow.h
index e2841d179..a824c4296 100644
--- a/src/gui/specialswindow.h
+++ b/src/gui/specialswindow.h
@@ -39,7 +39,7 @@ class TabbedArea;
 
 class SpecialEntry;
 
-class SpecialsWindow : public Window, public gcn::ActionListener
+class SpecialsWindow final : public Window, public gcn::ActionListener
 {
     public:
         SpecialsWindow();
diff --git a/src/gui/speechbubble.h b/src/gui/speechbubble.h
index c6b512c83..2a36eaa59 100644
--- a/src/gui/speechbubble.h
+++ b/src/gui/speechbubble.h
@@ -35,7 +35,7 @@ namespace gcn
     class Label;
 }
 
-class SpeechBubble : public Popup
+class SpeechBubble final : public Popup
 {
     public:
         /**
diff --git a/src/gui/spellpopup.h b/src/gui/spellpopup.h
index 403112e85..97266ca9e 100644
--- a/src/gui/spellpopup.h
+++ b/src/gui/spellpopup.h
@@ -40,7 +40,7 @@ namespace gcn
 /**
  * A popup that displays information about an item.
  */
-class SpellPopup : public Popup
+class SpellPopup final : public Popup
 {
     public:
         /**
diff --git a/src/gui/statuspopup.h b/src/gui/statuspopup.h
index 181bc9401..99ba46792 100644
--- a/src/gui/statuspopup.h
+++ b/src/gui/statuspopup.h
@@ -42,7 +42,7 @@ namespace gcn
 /**
  * A popup that displays information about an item.
  */
-class StatusPopup : public Popup
+class StatusPopup final : public Popup
 {
     public:
         /**
diff --git a/src/gui/statuswindow.cpp b/src/gui/statuswindow.cpp
index 295adcd6e..10a30f1b9 100644
--- a/src/gui/statuswindow.cpp
+++ b/src/gui/statuswindow.cpp
@@ -87,7 +87,7 @@ class AttrDisplay : public Container
         Label *mValue;
 };
 
-class DerDisplay : public AttrDisplay
+class DerDisplay final : public AttrDisplay
 {
     public:
         DerDisplay(const int id, const std::string &name);
@@ -96,7 +96,7 @@ class DerDisplay : public AttrDisplay
         { return DERIVED; }
 };
 
-class ChangeDisplay : public AttrDisplay, gcn::ActionListener
+class ChangeDisplay final : public AttrDisplay, gcn::ActionListener
 {
     public:
         ChangeDisplay(const int id, const std::string &name);
diff --git a/src/gui/statuswindow.h b/src/gui/statuswindow.h
index 94ce9b42c..0d3fefb4b 100644
--- a/src/gui/statuswindow.h
+++ b/src/gui/statuswindow.h
@@ -47,9 +47,9 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class StatusWindow : public Window,
-                     public gcn::ActionListener,
-                     public Listener
+class StatusWindow final : public Window,
+                           public gcn::ActionListener,
+                           public Listener
 {
     public:
         /**
diff --git a/src/gui/textcommandeditor.cpp b/src/gui/textcommandeditor.cpp
index d58a5094e..79fcd17b4 100644
--- a/src/gui/textcommandeditor.cpp
+++ b/src/gui/textcommandeditor.cpp
@@ -51,7 +51,7 @@
 
 #include "debug.h"
 
-class IconsModal : public gcn::ListModel
+class IconsModal final : public gcn::ListModel
 {
 public:
     IconsModal()
@@ -120,7 +120,7 @@ const char *MAGIC_SCHOOL_TEXT[6] =
     N_("Astral Magic")
 };
 
-class TargetTypeModel : public gcn::ListModel
+class TargetTypeModel final : public gcn::ListModel
 {
 public:
     virtual ~TargetTypeModel()
@@ -140,7 +140,7 @@ public:
     }
 };
 
-class MagicSchoolModel : public gcn::ListModel
+class MagicSchoolModel final : public gcn::ListModel
 {
 public:
     virtual ~MagicSchoolModel()
diff --git a/src/gui/textcommandeditor.h b/src/gui/textcommandeditor.h
index 65274098d..616c6d627 100644
--- a/src/gui/textcommandeditor.h
+++ b/src/gui/textcommandeditor.h
@@ -42,7 +42,7 @@ class TextBox;
 class TextCommand;
 class TextField;
 
-class TextCommandEditor : public Window, public gcn::ActionListener
+class TextCommandEditor final : public Window, public gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/textdialog.h b/src/gui/textdialog.h
index a05dc3107..71cc88bcd 100644
--- a/src/gui/textdialog.h
+++ b/src/gui/textdialog.h
@@ -40,7 +40,7 @@ namespace gcn
  *
  * \ingroup GUI
  */
-class TextDialog : public Window, public gcn::ActionListener
+class TextDialog final : public Window, public gcn::ActionListener
 {
 public:
     /**
diff --git a/src/gui/textpopup.h b/src/gui/textpopup.h
index 5e425abca..faf61e311 100644
--- a/src/gui/textpopup.h
+++ b/src/gui/textpopup.h
@@ -38,7 +38,7 @@ namespace gcn
 /**
  * A popup that displays information about an item.
  */
-class TextPopup : public Popup
+class TextPopup final : public Popup
 {
     public:
         /**
diff --git a/src/gui/theme.cpp b/src/gui/theme.cpp
index b6509348f..7b85c8764 100644
--- a/src/gui/theme.cpp
+++ b/src/gui/theme.cpp
@@ -337,7 +337,7 @@ void Theme::optionChanged(const std::string &)
     updateAlpha();
 }
 
-struct SkinParameter
+struct SkinParameter final
 {
     int index;
     std::string name;
@@ -390,7 +390,7 @@ static const SkinParameter imageParam[] =
     {3, "stickyImageDown"},
 };
 
-struct SkinHelper
+struct SkinHelper final
 {
     std::string partType;
     int xPos;
diff --git a/src/gui/theme.h b/src/gui/theme.h
index aeed253ed..86be2e743 100644
--- a/src/gui/theme.h
+++ b/src/gui/theme.h
@@ -39,7 +39,7 @@ class Image;
 class ImageSet;
 class ProgressBar;
 
-class Skin
+class Skin final
 {
     public:
         Skin(const ImageRect &skin, const ImageRect &images,
@@ -125,7 +125,7 @@ class Skin
         std::map<std::string, int> *mOptions;
 };
 
-class Theme : public Palette, public ConfigListener
+class Theme final : public Palette, public ConfigListener
 {
     public:
         static Theme *instance();
diff --git a/src/gui/tradewindow.h b/src/gui/tradewindow.h
index 3b840f045..0ba3b9043 100644
--- a/src/gui/tradewindow.h
+++ b/src/gui/tradewindow.h
@@ -47,9 +47,9 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class TradeWindow : public Window,
-                    private gcn::ActionListener,
-                    private gcn::SelectionListener
+class TradeWindow final : public Window,
+                          private gcn::ActionListener,
+                          private gcn::SelectionListener
 {
     public:
         /**
diff --git a/src/gui/unregisterdialog.h b/src/gui/unregisterdialog.h
index de783a410..e647b2bb9 100644
--- a/src/gui/unregisterdialog.h
+++ b/src/gui/unregisterdialog.h
@@ -42,7 +42,7 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class UnRegisterDialog : public Window, public gcn::ActionListener
+class UnRegisterDialog final : public Window, public gcn::ActionListener
 {
     public:
         /**
diff --git a/src/gui/updaterwindow.h b/src/gui/updaterwindow.h
index c7534dece..0adadb9ec 100644
--- a/src/gui/updaterwindow.h
+++ b/src/gui/updaterwindow.h
@@ -47,7 +47,7 @@ namespace gcn
     class Label;
 }
 
-struct updateFile
+struct updateFile final
 {
     public:
         std::string name;
@@ -62,10 +62,10 @@ struct updateFile
  *
  * \ingroup GUI
  */
-class UpdaterWindow : public Window,
-                      public gcn::ActionListener,
-                      public LinkHandler,
-                      public gcn::KeyListener
+class UpdaterWindow final : public Window,
+                            public gcn::ActionListener,
+                            public LinkHandler,
+                            public gcn::KeyListener
 {
  public:
     /**
diff --git a/src/gui/userpalette.h b/src/gui/userpalette.h
index 0ce3a6b85..f14c2c10c 100644
--- a/src/gui/userpalette.h
+++ b/src/gui/userpalette.h
@@ -31,7 +31,7 @@
 /**
  * Class controlling the game's color palette.
  */
-class UserPalette : public Palette, public gcn::ListModel
+class UserPalette final : public Palette, public gcn::ListModel
 {
     public:
         /** List of all colors that are configurable. */
diff --git a/src/gui/viewport.h b/src/gui/viewport.h
index 3f80cea1c..4d4c61896 100644
--- a/src/gui/viewport.h
+++ b/src/gui/viewport.h
@@ -60,9 +60,9 @@ const int walkingMouseDelay = 500;
  * of it such as NPC messages, which are positioned using map pixel
  * coordinates.
  */
-class Viewport : public WindowContainer,
-                 public gcn::MouseListener,
-                 public ConfigListener
+class Viewport final : public WindowContainer,
+                       public gcn::MouseListener,
+                       public ConfigListener
 {
     public:
         /**
diff --git a/src/gui/whoisonline.cpp b/src/gui/whoisonline.cpp
index 747691ad3..d3fcfa451 100644
--- a/src/gui/whoisonline.cpp
+++ b/src/gui/whoisonline.cpp
@@ -63,7 +63,7 @@
 #endif
 
 
-class NameFunctuator
+class NameFunctuator final
 {
     public:
         bool operator()(const OnlinePlayer *left,
diff --git a/src/gui/whoisonline.h b/src/gui/whoisonline.h
index 57778e2d4..35565930e 100644
--- a/src/gui/whoisonline.h
+++ b/src/gui/whoisonline.h
@@ -46,7 +46,7 @@ namespace gcn
     class Button;
 }
 
-class OnlinePlayer
+class OnlinePlayer final
 {
     public:
         OnlinePlayer(const std::string &nick, const unsigned char status,
@@ -106,10 +106,10 @@ class OnlinePlayer
  *
  * \ingroup GUI
  */
-class WhoIsOnline : public Window,
-                    public LinkHandler,
-                    public gcn::ActionListener,
-                    public ConfigListener
+class WhoIsOnline final : public Window,
+                          public LinkHandler,
+                          public gcn::ActionListener,
+                          public ConfigListener
 {
 public:
     /**
diff --git a/src/gui/widgets/avatarlistbox.h b/src/gui/widgets/avatarlistbox.h
index 995ffebe6..9ab56e9b0 100644
--- a/src/gui/widgets/avatarlistbox.h
+++ b/src/gui/widgets/avatarlistbox.h
@@ -43,7 +43,7 @@ public:
     { return getAvatarAt(i)->getName(); }
 };
 
-class AvatarListBox : public ListBox, public ConfigListener
+class AvatarListBox final : public ListBox, public ConfigListener
 {
 public:
     AvatarListBox(AvatarListModel *const model);
diff --git a/src/gui/widgets/battletab.h b/src/gui/widgets/battletab.h
index 2a034a166..12ba23ebf 100644
--- a/src/gui/widgets/battletab.h
+++ b/src/gui/widgets/battletab.h
@@ -28,7 +28,7 @@
 /**
  * A tab for a party chat channel.
  */
-class BattleTab : public ChatTab
+class BattleTab final : public ChatTab
 {
     public:
         BattleTab();
diff --git a/src/gui/widgets/browserbox.h b/src/gui/widgets/browserbox.h
index ed7208031..e95507c8c 100644
--- a/src/gui/widgets/browserbox.h
+++ b/src/gui/widgets/browserbox.h
@@ -36,14 +36,14 @@ class Image;
 class Resource;
 class LinkHandler;
 
-struct BROWSER_LINK
+struct BROWSER_LINK final
 {
     int x1, x2, y1, y2;     /**< Where link is placed */
     std::string link;
     std::string caption;
 };
 
-class LinePart
+class LinePart final
 {
     public:
         LinePart(const int x, const int y, const gcn::Color color,
@@ -74,8 +74,8 @@ class LinePart
  * A simple browser box able to handle links and forward events to the
  * parent conteiner.
  */
-class BrowserBox : public gcn::Widget,
-                   public gcn::MouseListener
+class BrowserBox final : public gcn::Widget,
+                         public gcn::MouseListener
 {
     public:
         /**
diff --git a/src/gui/widgets/button.h b/src/gui/widgets/button.h
index f57e9a7cd..fbc040171 100644
--- a/src/gui/widgets/button.h
+++ b/src/gui/widgets/button.h
@@ -39,7 +39,7 @@ const std::string BUTTON_PLAY = "buttonplay.png";
  *
  * \ingroup GUI
  */
-class Button : public gcn::Button, public gcn::WidgetListener
+class Button final : public gcn::Button, public gcn::WidgetListener
 {
     public:
         /**
diff --git a/src/gui/widgets/channeltab.h b/src/gui/widgets/channeltab.h
index d78027b67..92126e929 100644
--- a/src/gui/widgets/channeltab.h
+++ b/src/gui/widgets/channeltab.h
@@ -30,7 +30,7 @@ class Channel;
 /**
  * A tab for a chat channel.
  */
-class ChannelTab : public ChatTab
+class ChannelTab final : public ChatTab
 {
     public:
 
diff --git a/src/gui/widgets/checkbox.h b/src/gui/widgets/checkbox.h
index ff1c2d56c..bb3cf751a 100644
--- a/src/gui/widgets/checkbox.h
+++ b/src/gui/widgets/checkbox.h
@@ -34,7 +34,7 @@ class Image;
  *
  * \ingroup GUI
  */
-class CheckBox : public gcn::CheckBox
+class CheckBox final : public gcn::CheckBox
 {
     public:
         /**
diff --git a/src/gui/widgets/desktop.h b/src/gui/widgets/desktop.h
index 1ca411732..3cff9a75a 100644
--- a/src/gui/widgets/desktop.h
+++ b/src/gui/widgets/desktop.h
@@ -46,7 +46,7 @@ namespace gcn
  *
  * \ingroup GUI
  */
-class Desktop : public Container, private gcn::WidgetListener
+class Desktop final : public Container, private gcn::WidgetListener
 {
     public:
         Desktop();
diff --git a/src/gui/widgets/dropdown.h b/src/gui/widgets/dropdown.h
index c01466c03..813a19e5f 100644
--- a/src/gui/widgets/dropdown.h
+++ b/src/gui/widgets/dropdown.h
@@ -37,7 +37,7 @@ class ImageRect;
  * DropDown you must give DropDown an implemented ListModel which represents
  * your list.
  */
-class DropDown : public gcn::DropDown
+class DropDown final : public gcn::DropDown
 {
     public:
         /**
diff --git a/src/gui/widgets/dropshortcutcontainer.h b/src/gui/widgets/dropshortcutcontainer.h
index 99ff8bd2e..0544bf07c 100644
--- a/src/gui/widgets/dropshortcutcontainer.h
+++ b/src/gui/widgets/dropshortcutcontainer.h
@@ -36,7 +36,7 @@ class ItemPopup;
  *
  * \ingroup GUI
  */
-class DropShortcutContainer : public ShortcutContainer
+class DropShortcutContainer final : public ShortcutContainer
 {
     public:
         /**
diff --git a/src/gui/widgets/emoteshortcutcontainer.h b/src/gui/widgets/emoteshortcutcontainer.h
index 14f41bdd3..56a1629d7 100644
--- a/src/gui/widgets/emoteshortcutcontainer.h
+++ b/src/gui/widgets/emoteshortcutcontainer.h
@@ -37,7 +37,7 @@ class TextPopup;
  *
  * \ingroup GUI
  */
-class EmoteShortcutContainer : public ShortcutContainer
+class EmoteShortcutContainer final : public ShortcutContainer
 {
     public:
         /**
diff --git a/src/gui/widgets/extendedlistbox.h b/src/gui/widgets/extendedlistbox.h
index 8d323ae68..196189674 100644
--- a/src/gui/widgets/extendedlistbox.h
+++ b/src/gui/widgets/extendedlistbox.h
@@ -23,7 +23,7 @@
 
 #include "gui/widgets/listbox.h"
 
-class ExtendedListBox : public ListBox
+class ExtendedListBox final : public ListBox
 {
     public:
         /**
diff --git a/src/gui/widgets/flowcontainer.h b/src/gui/widgets/flowcontainer.h
index c58a8f121..f0d1d9638 100644
--- a/src/gui/widgets/flowcontainer.h
+++ b/src/gui/widgets/flowcontainer.h
@@ -31,8 +31,8 @@
  *
  * \ingroup GUI
  */
-class FlowContainer : public Container,
-                      public gcn::WidgetListener
+class FlowContainer final : public Container,
+                            public gcn::WidgetListener
 {
     public:
         /**
diff --git a/src/gui/widgets/guildchattab.h b/src/gui/widgets/guildchattab.h
index 358c1f1d4..a8f47db25 100644
--- a/src/gui/widgets/guildchattab.h
+++ b/src/gui/widgets/guildchattab.h
@@ -28,7 +28,7 @@
 /**
  * A tab for a guild chat channel.
  */
-class GuildChatTab : public ChatTab
+class GuildChatTab final : public ChatTab
 {
     public:
         GuildChatTab();
diff --git a/src/gui/widgets/guitable.cpp b/src/gui/widgets/guitable.cpp
index 4cd6d03cf..7005386b6 100644
--- a/src/gui/widgets/guitable.cpp
+++ b/src/gui/widgets/guitable.cpp
@@ -39,7 +39,7 @@
 
 float GuiTable::mAlpha = 1.0;
 
-class GuiTableActionListener : public gcn::ActionListener
+class GuiTableActionListener final : public gcn::ActionListener
 {
 public:
     GuiTableActionListener(GuiTable *_table, gcn::Widget *_widget,
diff --git a/src/gui/widgets/guitable.h b/src/gui/widgets/guitable.h
index 77abfdd4b..af6bedb62 100644
--- a/src/gui/widgets/guitable.h
+++ b/src/gui/widgets/guitable.h
@@ -44,10 +44,10 @@ class GuiTableActionListener;
  *
  * \ingroup GUI
  */
-class GuiTable : public gcn::Widget,
-                 public gcn::MouseListener,
-                 public gcn::KeyListener,
-                 public TableModelListener
+class GuiTable final : public gcn::Widget,
+                       public gcn::MouseListener,
+                       public gcn::KeyListener,
+                       public TableModelListener
 {
     // so that the action listener can call distributeActionEvent
     friend class GuiTableActionListener;
diff --git a/src/gui/widgets/horizontcontainer.h b/src/gui/widgets/horizontcontainer.h
index b41370ac1..736d8fd98 100644
--- a/src/gui/widgets/horizontcontainer.h
+++ b/src/gui/widgets/horizontcontainer.h
@@ -31,7 +31,7 @@
  *
  * This container places it's contents veritcally.
  */
-class HorizontContainer : public Container, public gcn::WidgetListener
+class HorizontContainer final : public Container, public gcn::WidgetListener
 {
     public:
         HorizontContainer(const int height, const int spacing);
diff --git a/src/gui/widgets/icon.h b/src/gui/widgets/icon.h
index 150f34576..62e8ac1b1 100644
--- a/src/gui/widgets/icon.h
+++ b/src/gui/widgets/icon.h
@@ -32,7 +32,7 @@ class Image;
  *
  * \ingroup GUI
  */
-class Icon : public gcn::Widget
+class Icon final : public gcn::Widget
 {
     public:
         /**
diff --git a/src/gui/widgets/inttextfield.h b/src/gui/widgets/inttextfield.h
index 0f92692f3..a820de8a3 100644
--- a/src/gui/widgets/inttextfield.h
+++ b/src/gui/widgets/inttextfield.h
@@ -28,7 +28,7 @@
 /**
  * TextBox which only accepts numbers as input.
  */
-class IntTextField : public TextField
+class IntTextField final : public TextField
 {
     public:
         /**
diff --git a/src/gui/widgets/itemcontainer.cpp b/src/gui/widgets/itemcontainer.cpp
index aa254c30b..854d055d2 100644
--- a/src/gui/widgets/itemcontainer.cpp
+++ b/src/gui/widgets/itemcontainer.cpp
@@ -55,7 +55,7 @@
 static const int BOX_WIDTH = 35;
 static const int BOX_HEIGHT = 43;
 
-class ItemIdPair
+class ItemIdPair final
 {
     public:
         ItemIdPair(const int id, Item *const item) :
@@ -67,7 +67,7 @@ class ItemIdPair
         Item* mItem;
 };
 
-class SortItemAlphaFunctor
+class SortItemAlphaFunctor final
 {
     public:
         bool operator() (const ItemIdPair *const pair1,
@@ -81,7 +81,7 @@ class SortItemAlphaFunctor
         }
 } itemAlphaSorter;
 
-class SortItemIdFunctor
+class SortItemIdFunctor final
 {
     public:
         bool operator() (const ItemIdPair *const pair1,
@@ -94,7 +94,7 @@ class SortItemIdFunctor
         }
 } itemIdSorter;
 
-class SortItemWeightFunctor
+class SortItemWeightFunctor final
 {
     public:
         bool operator() (const ItemIdPair *const pair1,
@@ -114,7 +114,7 @@ class SortItemWeightFunctor
         }
 } itemWeightSorter;
 
-class SortItemAmountFunctor
+class SortItemAmountFunctor final
 {
     public:
         bool operator() (const ItemIdPair *const pair1,
@@ -134,7 +134,7 @@ class SortItemAmountFunctor
         }
 } itemAmountSorter;
 
-class SortItemTypeFunctor
+class SortItemTypeFunctor final
 {
     public:
         bool operator() (const ItemIdPair *const pair1,
diff --git a/src/gui/widgets/itemcontainer.h b/src/gui/widgets/itemcontainer.h
index 02309ebc9..40f9a92d7 100644
--- a/src/gui/widgets/itemcontainer.h
+++ b/src/gui/widgets/itemcontainer.h
@@ -46,10 +46,10 @@ namespace gcn
  *
  * \ingroup GUI
  */
-class ItemContainer : public gcn::Widget,
-                      public gcn::KeyListener,
-                      public gcn::MouseListener,
-                      public gcn::WidgetListener
+class ItemContainer final : public gcn::Widget,
+                            public gcn::KeyListener,
+                            public gcn::MouseListener,
+                            public gcn::WidgetListener
 {
     public:
         /**
diff --git a/src/gui/widgets/itemlinkhandler.h b/src/gui/widgets/itemlinkhandler.h
index 9f66da991..5deb76c73 100644
--- a/src/gui/widgets/itemlinkhandler.h
+++ b/src/gui/widgets/itemlinkhandler.h
@@ -27,7 +27,7 @@
 
 class ItemPopup;
 
-class ItemLinkHandler : public LinkHandler
+class ItemLinkHandler final : public LinkHandler
 {
     public:
         ItemLinkHandler();
diff --git a/src/gui/widgets/itemshortcutcontainer.h b/src/gui/widgets/itemshortcutcontainer.h
index f5135fbb3..92866b10d 100644
--- a/src/gui/widgets/itemshortcutcontainer.h
+++ b/src/gui/widgets/itemshortcutcontainer.h
@@ -37,7 +37,7 @@ class SpellPopup;
  *
  * \ingroup GUI
  */
-class ItemShortcutContainer : public ShortcutContainer
+class ItemShortcutContainer final : public ShortcutContainer
 {
     public:
         /**
diff --git a/src/gui/widgets/label.h b/src/gui/widgets/label.h
index f2048c94a..b9845ef0a 100644
--- a/src/gui/widgets/label.h
+++ b/src/gui/widgets/label.h
@@ -30,7 +30,7 @@
  *
  * \ingroup GUI
  */
-class Label : public gcn::Label
+class Label final : public gcn::Label
 {
     public:
         /**
diff --git a/src/gui/widgets/layout.h b/src/gui/widgets/layout.h
index 71de85320..beccfcb01 100644
--- a/src/gui/widgets/layout.h
+++ b/src/gui/widgets/layout.h
@@ -34,7 +34,7 @@ class LayoutCell;
 /**
  * This class is a helper for adding widgets to nested tables in a window.
  */
-class ContainerPlacer
+class ContainerPlacer final
 {
     public:
         ContainerPlacer(gcn::Container *c = nullptr, LayoutCell *lc = nullptr):
@@ -67,7 +67,7 @@ class ContainerPlacer
 /**
  * This class contains a rectangular array of cells.
  */
-class LayoutArray
+class LayoutArray final
 {
     friend class LayoutCell;
 
@@ -331,7 +331,7 @@ class LayoutCell
  * pixels between rows and between columns, and a margin of 6 pixels around the
  * whole layout.
  */
-class Layout : public LayoutCell
+class Layout final : public LayoutCell
 {
     public:
         Layout();
diff --git a/src/gui/widgets/layouthelper.h b/src/gui/widgets/layouthelper.h
index c9c5e2471..518168a80 100644
--- a/src/gui/widgets/layouthelper.h
+++ b/src/gui/widgets/layouthelper.h
@@ -32,7 +32,7 @@
  * will register itself as a widget listener and relayout the widgets in the
  * container dynamically on resize.
  */
-class LayoutHelper : public gcn::WidgetListener
+class LayoutHelper final : public gcn::WidgetListener
 {
     public:
         /**
diff --git a/src/gui/widgets/mouseevent.h b/src/gui/widgets/mouseevent.h
index e41ed46b8..9ef9f8658 100644
--- a/src/gui/widgets/mouseevent.h
+++ b/src/gui/widgets/mouseevent.h
@@ -25,7 +25,7 @@
 #include <guichan/mouseevent.hpp>
 #include <guichan/widget.hpp>
 
-class MouseEvent : public gcn::MouseEvent
+class MouseEvent final : public gcn::MouseEvent
 {
     public:
         MouseEvent(gcn::Widget* source, bool shiftPressed,
diff --git a/src/gui/widgets/passwordfield.h b/src/gui/widgets/passwordfield.h
index eca95e6ad..ceb88876e 100644
--- a/src/gui/widgets/passwordfield.h
+++ b/src/gui/widgets/passwordfield.h
@@ -30,7 +30,7 @@
  *
  * \ingroup GUI
  */
-class PasswordField : public TextField
+class PasswordField final : public TextField
 {
     public:
         /**
diff --git a/src/gui/widgets/playerbox.h b/src/gui/widgets/playerbox.h
index 81fe87f52..dbf104de0 100644
--- a/src/gui/widgets/playerbox.h
+++ b/src/gui/widgets/playerbox.h
@@ -38,7 +38,7 @@ class Skin;
  *
  * \ingroup GUI
  */
-class PlayerBox : public gcn::ScrollArea
+class PlayerBox final : public gcn::ScrollArea
 {
     public:
         /**
diff --git a/src/gui/widgets/progressbar.h b/src/gui/widgets/progressbar.h
index 0b4927cc9..11c8069a3 100644
--- a/src/gui/widgets/progressbar.h
+++ b/src/gui/widgets/progressbar.h
@@ -38,7 +38,7 @@ class ImageRect;
  *
  * \ingroup GUI
  */
-class ProgressBar : public gcn::Widget, public gcn::WidgetListener
+class ProgressBar final : public gcn::Widget, public gcn::WidgetListener
 {
     public:
         /**
diff --git a/src/gui/widgets/progressindicator.h b/src/gui/widgets/progressindicator.h
index 6d55fd3ce..4046f21d9 100644
--- a/src/gui/widgets/progressindicator.h
+++ b/src/gui/widgets/progressindicator.h
@@ -30,7 +30,7 @@ class SimpleAnimation;
  * A widget that indicates progress. Suitable to use instead of a progress bar
  * in cases where it is unknown how long something is going to take.
  */
-class ProgressIndicator : public gcn::Widget
+class ProgressIndicator final : public gcn::Widget
 {
 public:
     ProgressIndicator();
diff --git a/src/gui/widgets/radiobutton.h b/src/gui/widgets/radiobutton.h
index 2db41cd78..ae846bc77 100644
--- a/src/gui/widgets/radiobutton.h
+++ b/src/gui/widgets/radiobutton.h
@@ -30,7 +30,7 @@ class Image;
 /**
  * Guichan based RadioButton with custom look
  */
-class RadioButton : public gcn::RadioButton
+class RadioButton final : public gcn::RadioButton
 {
     public:
         /**
diff --git a/src/gui/widgets/radiogroup.h b/src/gui/widgets/radiogroup.h
index fb511971d..19e67d09d 100644
--- a/src/gui/widgets/radiogroup.h
+++ b/src/gui/widgets/radiogroup.h
@@ -25,7 +25,7 @@
 
 #include <guichan/widget.hpp>
 
-class RadioGroup : public WidgetGroup
+class RadioGroup final : public WidgetGroup
 {
     public:
         RadioGroup(const std::string &group, const int height,
diff --git a/src/gui/widgets/scrollarea.h b/src/gui/widgets/scrollarea.h
index 870c0eaff..064bfdeb0 100644
--- a/src/gui/widgets/scrollarea.h
+++ b/src/gui/widgets/scrollarea.h
@@ -39,7 +39,7 @@ class ImageRect;
  *
  * \ingroup GUI
  */
-class ScrollArea : public gcn::ScrollArea, public gcn::WidgetListener
+class ScrollArea final : public gcn::ScrollArea, public gcn::WidgetListener
 {
     public:
         /**
diff --git a/src/gui/widgets/setupitem.h b/src/gui/widgets/setupitem.h
index f1ec4d23b..d8affadd1 100644
--- a/src/gui/widgets/setupitem.h
+++ b/src/gui/widgets/setupitem.h
@@ -129,7 +129,7 @@ class SetupItem : public gcn::ActionListener
         int mValueType;
 };
 
-class SetupItemCheckBox : public SetupItem
+class SetupItemCheckBox final : public SetupItem
 {
     public:
         SetupItemCheckBox(std::string text, std::string description,
@@ -153,7 +153,7 @@ class SetupItemCheckBox : public SetupItem
         CheckBox *mCheckBox;
 };
 
-class SetupItemTextField : public SetupItem
+class SetupItemTextField final : public SetupItem
 {
     public:
         SetupItemTextField(std::string text, std::string description,
@@ -186,7 +186,7 @@ class SetupItemTextField : public SetupItem
         EditDialog *mEditDialog;
 };
 
-class SetupItemIntTextField : public SetupItem
+class SetupItemIntTextField final : public SetupItem
 {
     public:
         SetupItemIntTextField(std::string text, std::string description,
@@ -225,7 +225,7 @@ class SetupItemIntTextField : public SetupItem
         EditDialog *mEditDialog;
 };
 
-class SetupItemLabel : public SetupItem
+class SetupItemLabel final : public SetupItem
 {
     public:
         SetupItemLabel(std::string text, std::string description,
@@ -249,7 +249,7 @@ class SetupItemLabel : public SetupItem
         bool mIsSeparator;
 };
 
-class SetupItemDropDown : public SetupItem
+class SetupItemDropDown final : public SetupItem
 {
     public:
         SetupItemDropDown(std::string text, std::string description,
@@ -277,7 +277,7 @@ class SetupItemDropDown : public SetupItem
         DropDown *mDropDown;
 };
 
-class SetupItemSlider : public SetupItem
+class SetupItemSlider final : public SetupItem
 {
     public:
         SetupItemSlider(std::string text, std::string description,
@@ -323,7 +323,7 @@ typedef std::vector<std::string> SetupItemNames;
 typedef SetupItemNames::iterator SetupItemNamesIter;
 typedef SetupItemNames::const_iterator SetupItemNamesConstIter;
 
-class SetupItemSlider2 : public SetupItem
+class SetupItemSlider2 final : public SetupItem
 {
     public:
         SetupItemSlider2(std::string text, std::string description,
@@ -413,7 +413,7 @@ class SetupItemSliderList : public SetupItem
         bool mOnTheFly;
 };
 
-class SetupItemSound : public SetupItemSliderList
+class SetupItemSound final : public SetupItemSliderList
 {
     public:
         SetupItemSound(std::string text, std::string description,
diff --git a/src/gui/widgets/shopitems.h b/src/gui/widgets/shopitems.h
index 038c10093..978926420 100644
--- a/src/gui/widgets/shopitems.h
+++ b/src/gui/widgets/shopitems.h
@@ -28,6 +28,8 @@
 #include <string>
 #include <vector>
 
+#include "localconsts.h"
+
 class ShopItem;
 
 /**
@@ -39,7 +41,7 @@ class ShopItem;
  *
  * This functionality can be enabled in the constructor.
  */
-class ShopItems : public gcn::ListModel
+class ShopItems final : public gcn::ListModel
 {
     public:
         /**
diff --git a/src/gui/widgets/shoplistbox.h b/src/gui/widgets/shoplistbox.h
index f34c8d772..ed5bfa003 100644
--- a/src/gui/widgets/shoplistbox.h
+++ b/src/gui/widgets/shoplistbox.h
@@ -35,7 +35,7 @@ class ItemPopup;
  *
  * \ingroup GUI
  */
-class ShopListBox : public ListBox
+class ShopListBox final : public ListBox
 {
     public:
         /**
diff --git a/src/gui/widgets/slider.h b/src/gui/widgets/slider.h
index 95d23f83e..494039c73 100644
--- a/src/gui/widgets/slider.h
+++ b/src/gui/widgets/slider.h
@@ -33,7 +33,7 @@ class ImageRect;
  *
  * \ingroup GUI
  */
-class Slider : public gcn::Slider
+class Slider final : public gcn::Slider
 {
     public:
         /**
diff --git a/src/gui/widgets/sliderlist.h b/src/gui/widgets/sliderlist.h
index 992316a1b..76dbc012c 100644
--- a/src/gui/widgets/sliderlist.h
+++ b/src/gui/widgets/sliderlist.h
@@ -32,9 +32,9 @@
 class Button;
 class Label;
 
-class SliderList : public Container,
-                   public gcn::ActionListener,
-                   public gcn::MouseListener
+class SliderList final : public Container,
+                         public gcn::ActionListener,
+                         public gcn::MouseListener
 {
     public:
         SliderList(gcn::ListModel *const listModel = nullptr,
diff --git a/src/gui/widgets/spellshortcutcontainer.h b/src/gui/widgets/spellshortcutcontainer.h
index 22fe15d95..570b8b263 100644
--- a/src/gui/widgets/spellshortcutcontainer.h
+++ b/src/gui/widgets/spellshortcutcontainer.h
@@ -36,7 +36,7 @@ class TextCommand;
  *
  * \ingroup GUI
  */
-class SpellShortcutContainer : public ShortcutContainer
+class SpellShortcutContainer final : public ShortcutContainer
 {
     public:
         /**
diff --git a/src/gui/widgets/tabbedarea.h b/src/gui/widgets/tabbedarea.h
index 0513c2858..a616a9935 100644
--- a/src/gui/widgets/tabbedarea.h
+++ b/src/gui/widgets/tabbedarea.h
@@ -37,7 +37,7 @@ class Tab;
 /**
  * A tabbed area, the same as the guichan tabbed area in 0.8, but extended
  */
-class TabbedArea : public gcn::TabbedArea, public gcn::WidgetListener
+class TabbedArea final : public gcn::TabbedArea, public gcn::WidgetListener
 {
     public:
         /**
diff --git a/src/gui/widgets/tablemodel.h b/src/gui/widgets/tablemodel.h
index 86acd0cc9..4e3938038 100644
--- a/src/gui/widgets/tablemodel.h
+++ b/src/gui/widgets/tablemodel.h
@@ -26,6 +26,8 @@
 #include <set>
 #include <vector>
 
+#include "localconsts.h"
+
 namespace gcn
 {
     class Widget;
@@ -103,7 +105,7 @@ private:
 };
 
 
-class StaticTableModel : public TableModel
+class StaticTableModel final : public TableModel
 {
 public:
     StaticTableModel(const int width, const int height);
diff --git a/src/gui/widgets/tabstrip.h b/src/gui/widgets/tabstrip.h
index 92d864b79..fac0fc502 100644
--- a/src/gui/widgets/tabstrip.h
+++ b/src/gui/widgets/tabstrip.h
@@ -26,7 +26,7 @@
 #include <guichan/actionevent.hpp>
 #include <guichan/widget.hpp>
 
-class TabStrip : public WidgetGroup
+class TabStrip final : public WidgetGroup
 {
     public:
         TabStrip(const std::string &group, const int height,
diff --git a/src/gui/widgets/textbox.h b/src/gui/widgets/textbox.h
index dcd289a60..a95fd118a 100644
--- a/src/gui/widgets/textbox.h
+++ b/src/gui/widgets/textbox.h
@@ -32,7 +32,7 @@
  *
  * \ingroup GUI
  */
-class TextBox : public gcn::TextBox
+class TextBox final : public gcn::TextBox
 {
     public:
         /**
diff --git a/src/gui/widgets/textpreview.h b/src/gui/widgets/textpreview.h
index 06c588215..e116e939b 100644
--- a/src/gui/widgets/textpreview.h
+++ b/src/gui/widgets/textpreview.h
@@ -30,7 +30,7 @@
 /**
  * Preview widget for particle colors, etc.
  */
-class TextPreview : public gcn::Widget
+class TextPreview final : public gcn::Widget
 {
     public:
         TextPreview(const std::string &text);
diff --git a/src/gui/widgets/tradetab.h b/src/gui/widgets/tradetab.h
index 44922c31a..a31376263 100644
--- a/src/gui/widgets/tradetab.h
+++ b/src/gui/widgets/tradetab.h
@@ -28,7 +28,7 @@
 /**
  * A tab for a party chat channel.
  */
-class TradeTab : public ChatTab
+class TradeTab final : public ChatTab
 {
     public:
         TradeTab();
diff --git a/src/gui/widgets/vertcontainer.h b/src/gui/widgets/vertcontainer.h
index e02d43c24..2c9087db2 100644
--- a/src/gui/widgets/vertcontainer.h
+++ b/src/gui/widgets/vertcontainer.h
@@ -33,7 +33,7 @@
  *
  * This container places it's contents veritcally.
  */
-class VertContainer : public Container, public gcn::WidgetListener
+class VertContainer final : public Container, public gcn::WidgetListener
 {
     public:
         VertContainer(const int verticalItemSize, const bool resizable = true,
diff --git a/src/gui/widgets/whispertab.h b/src/gui/widgets/whispertab.h
index eec66768c..2a8ca1ab0 100644
--- a/src/gui/widgets/whispertab.h
+++ b/src/gui/widgets/whispertab.h
@@ -30,7 +30,7 @@ class Channel;
 /**
  * A tab for whispers from a single player.
  */
-class WhisperTab : public ChatTab
+class WhisperTab final : public ChatTab
 {
     public:
         const std::string &getNick() const
diff --git a/src/gui/windowmenu.h b/src/gui/windowmenu.h
index c0be9a1fe..1a2956df1 100644
--- a/src/gui/windowmenu.h
+++ b/src/gui/windowmenu.h
@@ -44,11 +44,11 @@ class TextPopup;
  *
  * \ingroup Interface
  */
-class WindowMenu : public Container,
-                   public ConfigListener,
-                   public gcn::ActionListener,
-                   public gcn::SelectionListener,
-                   public gcn::MouseListener
+class WindowMenu final : public Container,
+                         public ConfigListener,
+                         public gcn::ActionListener,
+                         public gcn::SelectionListener,
+                         public gcn::MouseListener
 {
     public:
         WindowMenu();
diff --git a/src/gui/worldselectdialog.cpp b/src/gui/worldselectdialog.cpp
index d98dd97b4..7e77ffc6d 100644
--- a/src/gui/worldselectdialog.cpp
+++ b/src/gui/worldselectdialog.cpp
@@ -46,7 +46,7 @@ extern WorldInfo **server_info;
 /**
  * The list model for the server list.
  */
-class WorldListModel : public gcn::ListModel
+class WorldListModel final : public gcn::ListModel
 {
     public:
         WorldListModel(Worlds worlds):
diff --git a/src/gui/worldselectdialog.h b/src/gui/worldselectdialog.h
index dd78391fe..30500d311 100644
--- a/src/gui/worldselectdialog.h
+++ b/src/gui/worldselectdialog.h
@@ -47,8 +47,8 @@ namespace gcn
  *
  * \ingroup Interface
  */
-class WorldSelectDialog : public Window, public gcn::ActionListener,
-                          public gcn::KeyListener
+class WorldSelectDialog final : public Window, public gcn::ActionListener,
+                                public gcn::KeyListener
 {
     public:
         /**