prevent use of _hoverWidget, prefered property

diff --git a/src/OpenTKGameWindow.cs b/src/OpenTKGameWindow.cs
index 0892ec475b4b83773276ee48d87d7bd6e2817ee9..3b70d92e6517a72acc98474ba4f1eee44f56bb23 100644 (file)
--- a/src/OpenTKGameWindow.cs
+++ b/src/OpenTKGameWindow.cs
@@ -116,7 +116,11 @@ namespace Crow
                public GraphicObject hoverWidget
                {
                        get { return _hoverWidget; }
-                       set { _hoverWidget = value; }
+                       set {
+                               if (_hoverWidget == value)
+                                       return;
+                               _hoverWidget = value;
+                       }
                }
                public GraphicObject FocusedWidget {
                        get { return _focusedWidget; }
@@ -422,13 +426,13 @@ namespace Crow
                                }
                        }
 
-                       if (_hoverWidget != null) {
+                       if (hoverWidget != null) {
                                //first, ensure object is still in the graphic tree
-                               if (_hoverWidget.HostContainer == null) {
+                               if (hoverWidget.HostContainer == null) {
                                        hoverWidget = null;
                                } else {
                                        //check topmost graphicobject first
-                                       GraphicObject tmp = _hoverWidget;
+                                       GraphicObject tmp = hoverWidget;
                                        GraphicObject topc = null;
                                        while (tmp is GraphicObject) {
                                                topc = tmp;
@@ -439,7 +443,7 @@ namespace Crow
                                                int i = 0;
                                                while (i < idxhw) {
                                                        if (GraphicObjects [i].MouseIsIn (e.Position)) {
-                                                               _hoverWidget.onMouseLeave (this, e);
+                                                               hoverWidget.onMouseLeave (this, e);
                                                                GraphicObjects [i].checkHoverWidget (e);
                                                                return;
                                                        }
@@ -448,19 +452,19 @@ namespace Crow
                                        }
                                        
                                        
-                                       if (_hoverWidget.MouseIsIn (e.Position)) {
-                                               _hoverWidget.checkHoverWidget (e);
+                                       if (hoverWidget.MouseIsIn (e.Position)) {
+                                               hoverWidget.checkHoverWidget (e);
                                                return;
                                        } else {
-                                               _hoverWidget.onMouseLeave (this, e);
+                                               hoverWidget.onMouseLeave (this, e);
                                                //seek upward from last focused graph obj's
-                                               while (_hoverWidget.Parent as GraphicObject != null) {
-                                                       _hoverWidget = _hoverWidget.Parent as GraphicObject;
-                                                       if (_hoverWidget.MouseIsIn (e.Position)) {
-                                                               _hoverWidget.checkHoverWidget (e);
+                                               while (hoverWidget.Parent as GraphicObject != null) {
+                                                       hoverWidget = hoverWidget.Parent as GraphicObject;
+                                                       if (hoverWidget.MouseIsIn (e.Position)) {
+                                                               hoverWidget.checkHoverWidget (e);
                                                                return;
                                                        } else
-                                                               _hoverWidget.onMouseLeave (this, e);
+                                                               hoverWidget.onMouseLeave (this, e);
                                                }
                                        }
                                }
@@ -475,7 +479,7 @@ namespace Crow
                                        return;
                                }
                        }
-                       _hoverWidget = null;
+                       hoverWidget = null;
                        MouseMove.Raise (this, e);
         }
         void Mouse_ButtonUp(object sender, MouseButtonEventArgs e)
@@ -496,12 +500,12 @@ namespace Crow
         }
         void Mouse_ButtonDown(object sender, MouseButtonEventArgs e)
         {
-                       if (_hoverWidget == null) {
+                       if (hoverWidget == null) {
                                MouseButtonDown.Raise (this, e);
                                return;
                        }
 
-                       _hoverWidget.onMouseDown(_hoverWidget,new BubblingMouseButtonEventArg(e));
+                       hoverWidget.onMouseDown(hoverWidget,new BubblingMouseButtonEventArg(e));
 
                        if (FocusedWidget == null)
                                return;
@@ -512,11 +516,11 @@ namespace Crow
         }
         void Mouse_WheelChanged(object sender, MouseWheelEventArgs e)
         {
-                       if (_hoverWidget == null) {
+                       if (hoverWidget == null) {
                                MouseWheelChanged.Raise (this, e);
                                return;
                        }
-                       _hoverWidget.onMouseWheel (this, e);
+                       hoverWidget.onMouseWheel (this, e);
         }
 
                volatile bool mouseRepeatOn;