--- a/Applications/Generic/GuiAdapter.h	Wed Jul 03 10:26:51 2019 +0200
+++ b/Applications/Generic/GuiAdapter.h	Fri Jul 05 14:52:43 2019 +0200
@@ -67,6 +67,14 @@
 
   };
 
+  enum GuiAdapterMouseButtonType
+  {
+    GUIADAPTER_MOUSEBUTTON_LEFT = 0,
+    GUIADAPTER_MOUSEBUTTON_MIDDLE = 1,
+    GUIADAPTER_MOUSEBUTTON_RIGHT = 2
+  };
+
+
   enum GuiAdapterMouseEventType
   {
     GUIADAPTER_EVENT_MOUSEDOWN = 1973,
@@ -137,6 +145,14 @@
     //long                     canvasX;
     //long                     canvasY;
     //long                     padding;
+
+  public:
+    GuiAdapterMouseEvent()
+      : ctrlKey(false),
+        shiftKey(false),
+        altKey(false)
+    {
+    }
   };
 
   struct GuiAdapterWheelEvent {
@@ -157,7 +173,7 @@
     bool altKey;
   };
 
-  std::ostream& operator<<(std::ostream& os, const GuiAdapterKeyboardEvent& event);
+  std::ostream& operator<<(std::ostream& os, const GuiAdapterKeyboardEvent& event);
 
   /*
     Mousedown event trigger when either the left or right (or middle) mouse is pressed