Make code a bit more robust at detecting problems (not fixed yet though)

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@9904 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/guiengine/event_handler.cpp

@@ -628,9 +628,11 @@ EventPropagation EventHandler::onWidgetActivated(GUIEngine::Widget* w, const int
     }
     else
     {
-        if (w->transmitEvent(w, w->m_properties[PROP_ID], playerID) == EVENT_LET)
+        std::string id = w->m_properties[PROP_ID];
+        if (w->transmitEvent(w, id, playerID) == EVENT_LET)
         {
-            sendEventToUser(w, w->m_properties[PROP_ID], playerID);
+            assert(w->ok());
+            sendEventToUser(w, id, playerID);
         }
     }
     

src/guiengine/widgets/check_box_widget.cpp

@@ -48,6 +48,9 @@ void CheckBoxWidget::add()
 // -----------------------------------------------------------------------------
 EventPropagation CheckBoxWidget::transmitEvent(Widget* w, std::string& originator, const int playerID)
 {
+    assert(m_magic_number == 0xCAFEC001);
+
+    
     /* toggle */
     m_state = !m_state;
     

src/guiengine/widgets/dynamic_ribbon_widget.cpp

@@ -630,6 +630,9 @@ EventPropagation DynamicRibbonWidget::leftPressed(const int playerID)
 // -----------------------------------------------------------------------------
 EventPropagation DynamicRibbonWidget::transmitEvent(Widget* w, std::string& originator, const int playerID)
 {
+    assert(m_magic_number == 0xCAFEC001);
+
+    
     if (m_deactivated) return EVENT_LET;
     
     if (originator=="left")

src/guiengine/widgets/list_widget.cpp

@@ -361,6 +361,9 @@ void ListWidget::markItemBlue(const int id, bool blue)
 
 EventPropagation ListWidget::transmitEvent(Widget* w, std::string& originator, const int playerID)
 {
+    assert(m_magic_number == 0xCAFEC001);
+
+    
     if (originator.find(m_properties[PROP_ID] + "_column_") != std::string::npos)
     {        
         int col = originator[ (m_properties[PROP_ID] + "_column_").size() ] - '0';

src/guiengine/widgets/ribbon_widget.cpp

@@ -584,6 +584,9 @@ void RibbonWidget::updateSelection()
 // -----------------------------------------------------------------------------
 EventPropagation RibbonWidget::transmitEvent(Widget* w, std::string& originator, const int playerID)
 {    
+    assert(m_magic_number == 0xCAFEC001);
+
+    
     if (!m_deactivated)
     {
         const int subbuttons_amount = m_children.size();

src/guiengine/widgets/spinner_widget.cpp

@@ -270,6 +270,8 @@ EventPropagation SpinnerWidget::leftPressed(const int playerID)
 
 EventPropagation SpinnerWidget::transmitEvent(Widget* w, std::string& originator, const int playerID)
 {
+    assert(m_magic_number == 0xCAFEC001);
+
     // if widget is deactivated, do nothing
     if (m_deactivated) return EVENT_BLOCK;