Remove a few unuseful FIXMEs, replace with appropriate documentation

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@7229 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/guiengine/widgets/dynamic_ribbon_widget.cpp

@@ -101,7 +101,7 @@ void DynamicRibbonWidget::add()
     
     if (m_has_label)
     {
-        // FIXME - won't work with multiline labels.
+        // m_label_height contains the height of ONE text line
         m_label_height = GUIEngine::getFontHeight();
     }
     else
@@ -112,7 +112,7 @@ void DynamicRibbonWidget::add()
     // ----- add dynamic label at bottom
     if (m_has_label)
     {
-        // leave room for many lines, just in case (FIXME: remove this hack)
+        // leave room for many lines, just in case
         rect<s32> label_size = rect<s32>(m_x,
                                          m_y + m_h - m_label_height,
                                          m_x + m_w,

src/guiengine/widgets/dynamic_ribbon_widget.hpp

@@ -77,6 +77,10 @@ namespace GUIEngine
         /** Used for ribbon grids that have a label at the bottom */
         bool m_has_label;
         irr::gui::IGUIStaticText* m_label;
+        
+        /** Height of ONE label text line (if label is multiline only one line is measured here).
+          * If there is no label, will be 0.
+          */
         int m_label_height;
         
         /** Whether this ribbon contains at least one animated item */