invert field color after click

src/ui/listView.cpp

@@ -94,6 +94,13 @@ void ListView::drawEntry(int itemID)
 {
     FillAreaRect(_entries[itemID].getPosition(), WHITE);
     _entries[itemID].draw(_items->at(itemID), _entryFont, _entryFontBold, _entryFontHeight);
+    updateEntry(itemID);
+}
+
+void ListView::invertEntryColor(int itemID)
+{
+    InvertAreaBW(_entries[itemID].getPosition()->x, _entries[itemID].getPosition()->y, _entries[itemID].getPosition()->w, _entries[itemID].getPosition()->h);
+    updateEntry(itemID);
 }
 
 void ListView::drawEntries()

src/ui/listView.h

@@ -45,6 +45,13 @@ public:
         */
     void drawEntry(int itemID);
 
+    /**
+        * inverts the color of an entry 
+        * 
+        * @param itemID the id of the item that shall be inverted
+        */
+    void invertEntryColor(int itemID);
+
     /**
         * Iterates through the items and sends them to the listViewEntry Class for drawing
         */