adjust topic list on window resize

apps/openmw/mwgui/dialogue.cpp

@@ -67,6 +67,8 @@ DialogueWindow::DialogueWindow(WindowManager& parWindowManager)
 
     getWidget(pDispositionBar, "Disposition");
     getWidget(pDispositionText,"DispositionText");
+
+    static_cast<MyGUI::Window*>(mMainWidget)->eventWindowChangeCoord += MyGUI::newDelegate(this, &DialogueWindow::onWindowResize);
 }
 
 void DialogueWindow::onHistoryClicked(MyGUI::Widget* _sender)
@@ -88,6 +90,11 @@ void DialogueWindow::onHistoryClicked(MyGUI::Widget* _sender)
     }
 }
 
+void DialogueWindow::onWindowResize(MyGUI::Window* _sender)
+{
+    topicsList->adjustSize();
+}
+
 void DialogueWindow::onMouseWheel(MyGUI::Widget* _sender, int _rel)
 {
     if (history->getVScrollPosition() - _rel*0.3 < 0)

apps/openmw/mwgui/dialogue.hpp

@@ -51,6 +51,7 @@ namespace MWGui
         void onByeClicked(MyGUI::Widget* _sender);
         void onHistoryClicked(MyGUI::Widget* _sender);
         void onMouseWheel(MyGUI::Widget* _sender, int _rel);
+        void onWindowResize(MyGUI::Window* _sender);
 
     private:
         void updateOptions();

apps/openmw/mwgui/list.cpp

@@ -32,6 +32,11 @@ void MWList::addItem(const std::string& name)
     redraw();
 }
 
+void MWList::adjustSize()
+{
+    redraw();
+}
+
 void MWList::redraw(bool scrollbarShown)
 {
     const int _scrollBarWidth = 24; // fetch this from skin?

apps/openmw/mwgui/list.hpp

@@ -9,7 +9,7 @@ namespace MWGui
     {
         /**
          * \brief a very simple list widget that supports word-wrapping entries
-         * \note does not handle changing the width of the list at runtime
+         * \note if the width or height of the list changes, you must call adjustSize() method
          */
         class MWList : public MyGUI::Widget
         {
@@ -25,6 +25,11 @@ namespace MWGui
              */
             EventHandle_String eventItemSelected;
 
+            /**
+             * Call after the size of the list changed
+             */
+            void adjustSize();
+
             void addItem(const std::string& name);
             void removeItem(const std::string& name);
             bool hasItem(const std::string& name);