Fix #3646

src/guiengine/widgets/CGUISTKListBox.cpp

@@ -5,6 +5,7 @@
 
 #include "guiengine/widgets/CGUISTKListBox.hpp"
 
+#include "graphics/2dutils.hpp"
 #include "IGUISkin.h"
 #include "IGUIEnvironment.h"
 #include "IVideoDriver.h"
@@ -32,6 +33,7 @@ CGUISTKListBox::CGUISTKListBox(IGUIEnvironment* environment, IGUIElement* parent
     DrawBack(drawBack), MoveOverSelect(moveOverSelect), AutoScroll(true),
     HighlightWhenNotFocused(true)
 {
+    m_alternating_darkness = false;
     #ifdef _DEBUG
     setDebugName("CGUISTKListBox");
     #endif
@@ -507,6 +509,12 @@ void CGUISTKListBox::draw()
         if (frameRect.LowerRightCorner.Y >= AbsoluteRect.UpperLeftCorner.Y &&
             frameRect.UpperLeftCorner.Y <= AbsoluteRect.LowerRightCorner.Y)
         {
+            if (m_alternating_darkness && i % 2 != 0)
+            {
+                video::SColor color(0);
+                color.setAlpha(30);
+                GL32_draw2DRectangle(color, frameRect, &clientClip);
+            }
             if (i == Selected && hl)
                 skin->draw2DRectangle(this, skin->getColor(EGDC_HIGH_LIGHT), frameRect, &clientClip);
 

src/guiengine/widgets/CGUISTKListBox.hpp

@@ -170,6 +170,7 @@ namespace irr
             //! Sets whether to draw the background
             virtual void setDrawBackground(bool draw);
 
+            void setAlternatingDarkness(bool val) { m_alternating_darkness = val; }
     private:
 
             void recalculateItemHeight();
@@ -197,6 +198,7 @@ namespace irr
             bool MoveOverSelect;
             bool AutoScroll;
             bool HighlightWhenNotFocused;
+            bool m_alternating_darkness;
     };
 
 

src/guiengine/widgets/list_widget.cpp

@@ -45,6 +45,7 @@ ListWidget::ListWidget() : Widget(WTYPE_LIST)
     m_sort_col = 0;
     m_sortable = true;
     m_header_created = false;
+    m_alternating_darkness = false;
 }
 
 // -----------------------------------------------------------------------------
@@ -110,6 +111,7 @@ void ListWidget::add()
         true,
         false);
 
+    list_box->setAlternatingDarkness(m_alternating_darkness);
     if (current_skin && current_skin->getSpriteBank())
     {
             list_box->setSpriteBank(current_skin->getSpriteBank());

src/guiengine/widgets/list_widget.hpp

@@ -91,6 +91,8 @@ namespace GUIEngine
 
         bool m_header_created;
 
+        bool m_alternating_darkness;
+
     public:
         typedef irr::gui::CGUISTKListBox::ListItem ListItem;
         typedef ListItem::ListCell ListCell;
@@ -276,6 +278,8 @@ namespace GUIEngine
         void addColumn(irr::core::stringw col, int proportion=1) { m_header.push_back( Column(col, proportion) ); }
 
         void setSortable(bool sortable) { m_sortable = sortable; }
+
+        void setAlternatingDarkness(bool val) { m_alternating_darkness = val; }
     };
 }
 

src/states_screens/online/server_selection.cpp

@@ -115,6 +115,7 @@ void ServerSelection::loadedFromFile()
  */
 void ServerSelection::beforeAddingWidget()
 {
+    m_server_list_widget->setAlternatingDarkness(true);
     m_server_list_widget->clearColumns();
     m_server_list_widget->addColumn( _C("column_name", "Name"), 3);
     m_server_list_widget->addColumn( _C("column_name", "Players"), 1);