fix window drag

Author: ianharrigan

haxe/ui/containers/windows/Window.hx

@@ -1,21 +1,22 @@
 package haxe.ui.containers.windows;
 
-import haxe.ui.util.Variant;
-import haxe.ui.containers.dialogs.Dialog;
-import haxe.ui.containers.dialogs.Dialog.DialogEvent;
+import haxe.ui.behaviours.DataBehaviour;
+import haxe.ui.components.Image;
+import haxe.ui.components.Label;
 import haxe.ui.containers.dialogs.Dialog.DialogButton;
+import haxe.ui.containers.dialogs.Dialog.DialogEvent;
+import haxe.ui.containers.dialogs.Dialog;
 import haxe.ui.containers.dialogs.MessageBox;
-import haxe.ui.components.Label;
-import haxe.ui.components.Image;
-import haxe.ui.geom.Point;
-import haxe.ui.core.Screen;
-import haxe.ui.geom.Rectangle;
-import haxe.ui.geom.Slice9;
-import haxe.ui.events.MouseEvent;
 import haxe.ui.core.Component;
 import haxe.ui.core.CompositeBuilder;
-import haxe.ui.behaviours.DataBehaviour;
+import haxe.ui.core.Screen;
+import haxe.ui.dragdrop.DragManager;
+import haxe.ui.events.MouseEvent;
 import haxe.ui.extensions.Draggable;
+import haxe.ui.geom.Point;
+import haxe.ui.geom.Rectangle;
+import haxe.ui.geom.Slice9;
+import haxe.ui.util.Variant;
 
 @:xml('
     <vbox style="spacing:0;">
@@ -442,6 +443,10 @@ private class Builder extends CompositeBuilder {
             return;
         }
 
+        if (DragManager.instance.isDragging) {
+            return;
+        }
+
         _resizeN = false;
         _resizeE = false;
         _resizeS = false;

haxe/ui/dragdrop/DragManager.hx

@@ -1,14 +1,14 @@
 package haxe.ui.dragdrop;
 
 import haxe.ui.Toolkit;
+import haxe.ui.core.Component;
+import haxe.ui.core.Screen;
 import haxe.ui.events.DragEvent;
+import haxe.ui.events.MouseEvent;
 import haxe.ui.events.UIEvent;
 import haxe.ui.geom.Point;
-import haxe.ui.util.MathUtil;
 import haxe.ui.geom.Rectangle;
-import haxe.ui.core.Screen;
-import haxe.ui.core.Component;
-import haxe.ui.events.MouseEvent;
+import haxe.ui.util.MathUtil;
 
 class DragManager {
     private static var _instance:DragManager;