Call onResChange for every window

apps/openmw/mwgui/alchemywindow.hpp

@@ -26,6 +26,8 @@ namespace MWGui
 
         virtual void onOpen();
 
+        void onResChange(int, int) { center(); }
+
     private:
         std::string mSuggestedPotionName;
 

apps/openmw/mwgui/bookwindow.hpp

@@ -17,6 +17,8 @@ namespace MWGui
             void setPtr(const MWWorld::Ptr& book);
             void setInventoryAllowed(bool allowed);
 
+            void onResChange(int, int) { center(); }
+
         protected:
             void onNextPageButtonClicked (MyGUI::Widget* sender);
             void onPrevPageButtonClicked (MyGUI::Widget* sender);

apps/openmw/mwgui/quickkeysmenu.hpp

@@ -22,6 +22,8 @@ namespace MWGui
         QuickKeysMenu();
         ~QuickKeysMenu();
 
+        void onResChange(int, int) { center(); }
+
         void onItemButtonClicked(MyGUI::Widget* sender);
         void onMagicButtonClicked(MyGUI::Widget* sender);
         void onUnassignButtonClicked(MyGUI::Widget* sender);

apps/openmw/mwgui/scrollwindow.hpp

@@ -20,6 +20,8 @@ namespace MWGui
             void setPtr (const MWWorld::Ptr& scroll);
             void setInventoryAllowed(bool allowed);
 
+            void onResChange(int, int) { center(); }
+
         protected:
             void onCloseButtonClicked (MyGUI::Widget* _sender);
             void onTakeButtonClicked (MyGUI::Widget* _sender);

apps/openmw/mwgui/settingswindow.hpp

@@ -19,6 +19,8 @@ namespace MWGui
 
             void updateControlsBox();
 
+            void onResChange(int, int) { center(); }
+
     protected:
             MyGUI::TabControl* mSettingsTab;
             MyGUI::Button* mOkButton;

apps/openmw/mwgui/spellbuyingwindow.hpp

@@ -30,6 +30,8 @@ namespace MWGui
 
             void onFrame(float dt) { checkReferenceAvailable(); }
 
+            void onResChange(int, int) { center(); }
+
         protected:
             MyGUI::Button* mCancelButton;
             MyGUI::TextBox* mPlayerGold;

apps/openmw/mwgui/windowbase.hpp

@@ -42,7 +42,11 @@ namespace MWGui
         virtual void setVisible(bool visible);
         /// Returns the visibility state of the window
         bool isVisible();
+
         void center();
+
+        /// Called when GUI viewport changes size
+        virtual void onResChange(int width, int height) {}
     };
 
 

apps/openmw/mwgui/windowmanagerimp.cpp

@@ -1128,14 +1128,10 @@ namespace MWGui
             it->first->setSize(size);
         }
 
-        mConsole->onResChange(x, y);
-        mMenu->onResChange(x, y);
-        mSettingsWindow->center();
-        mAlchemyWindow->center();
-        mScrollWindow->center();
-        mBookWindow->center();
-        mQuickKeysMenu->center();
-        mSpellBuyingWindow->center();
+        for (WindowBase* window : mWindows)
+            window->onResChange(x, y);
+
+        // TODO: check if any windows are now off-screen and move them back if so
     }
 
     void WindowManager::onCursorChange(const std::string &name)