Add method beforeAddingWidgets to dialogs too, use it to fix Joerg's problem

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@8556 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/guiengine/modaldialog.cpp

@@ -69,6 +69,8 @@ void ModalDialog::loadFromFile(const char* xmlFile)
     
     LayoutManager::calculateLayout( m_widgets, this );
     
+    beforeAddingWidgets();
+    
     addWidgetsRecursively(m_widgets);
 }
 

src/guiengine/modaldialog.hpp

@@ -93,6 +93,12 @@ namespace GUIEngine
         /** Override to be notified of updates */
         virtual void onUpdate(float dt) { }
         
+        /**
+         * \brief Optional callback invoked very early, before widgets have been added (contrast with
+         *        init(), which is invoked afer widgets were added)
+         */
+        virtual void beforeAddingWidgets() {}
+        
         /**
           * \brief Implementing callback from AbstractTopLevelContainer
           */

src/guiengine/widgets/bubble_widget.cpp

@@ -38,10 +38,10 @@ BubbleWidget::BubbleWidget() : Widget(WTYPE_BUBBLE)
 // ----------------------------------------------------------------------------
 
 void BubbleWidget::add()
-{
+{    
     m_shrinked_size = rect<s32>(m_x, m_y, m_x + m_w - BUBBLE_MARGIN_ON_RIGHT, m_y + m_h);
     stringw message = getText();
-        
+    
     EGUI_ALIGNMENT align = EGUIA_UPPERLEFT;
     if      (m_properties[PROP_TEXT_ALIGN] == "center") align = EGUIA_CENTER;
     else if (m_properties[PROP_TEXT_ALIGN] == "right")  align = EGUIA_LOWERRIGHT;

src/states_screens/dialogs/addons_loading.cpp

@@ -37,22 +37,23 @@ using namespace GUIEngine;
 using namespace irr::gui;
 
 // ----------------------------------------------------------------------------
+
 AddonsLoading::AddonsLoading(const float w, const float h,
                              const std::string &id)
              : ModalDialog(w, h)
 {
-    loadFromFile("addons_view_dialog.stkgui");
     m_addon            = *(addons_manager->getAddon(id));
     m_icon_shown       = false;
     m_download_request = NULL;
-
-    /*Init the icon here to be able to load a single image*/
+    
+    loadFromFile("addons_view_dialog.stkgui");
+    
     m_icon             = getWidget<IconButtonWidget> ("icon"    );
     m_progress         = getWidget<ProgressBarWidget>("progress");
     m_install_button   = getWidget<ButtonWidget>     ("install" );
     m_back_button      = getWidget<ButtonWidget>     ("cancel"  );
     m_state            = getWidget<LabelWidget>      ("state"   );
-
+    
     if(m_progress)
         m_progress->setVisible(false);
     
@@ -64,6 +65,20 @@ AddonsLoading::AddonsLoading(const float w, const float h,
             getWidget<ButtonWidget>("install")->setLabel(_("Uninstall"));
     }
     
+}
+
+// ----------------------------------------------------------------------------
+
+void AddonsLoading::beforeAddingWidgets()
+{
+    /*Init the icon here to be able to load a single image*/
+    m_icon             = getWidget<IconButtonWidget> ("icon"    );
+    m_progress         = getWidget<ProgressBarWidget>("progress");
+    m_install_button   = getWidget<ButtonWidget>     ("install" );
+    m_back_button      = getWidget<ButtonWidget>     ("cancel"  );
+    m_state            = getWidget<LabelWidget>      ("state"   );
+
+    
     getWidget<LabelWidget>("name")->setText(m_addon.getName().c_str(), false);
 
     getWidget<BubbleWidget>("description")->setText(m_addon.getDescription().c_str());

src/states_screens/dialogs/addons_loading.hpp

@@ -63,7 +63,10 @@ public:
      */
     AddonsLoading(const float percent_width, const float percent_height,
                   const std::string &addon_name);
-    GUIEngine::EventPropagation processEvent(const std::string& event_source);
+    
+    virtual GUIEngine::EventPropagation processEvent(const std::string& event_source);
+    
+    virtual void beforeAddingWidgets();
     
     /** This function is called by the GUI, all the frame (or somthing like
      * that). It checks the flags (m_can_load_icon and