Added ways to customise click actions to be able to perform more robu…

src/TestStack.White/UIItems/IUIItem.cs

@@ -190,6 +190,16 @@ public interface IUIItem : IActionListener, IEquatable<IUIItem>
         /// </summary>
         void Click();
 
+        /// <summary>
+        /// Performs mouse click at relative location 1,1 is bottom right
+        /// </summary>
+        void RelativeClick(float x, float y);
+
+        /// <summary>
+        /// Performs mouse click at an absolute location from top left
+        /// </summary>
+        void AbsoluteClick(Point offset);
+
         /// <summary>
         /// Performs mouse double click at the center of the UI Item
         /// </summary>

src/TestStack.White/UIItems/UIItem.cs

@@ -327,7 +327,30 @@ public virtual void Invoke()
         public virtual void Click()
         {
             actionListener.ActionPerforming(this);
-            PerformIfValid(PerformClick);
+            PerformIfValid(ClickCenter);
+        }
+
+        private void ClickCenter()
+        {
+            PerformRelativeClick(0.5f, 0.5f);
+        }
+
+        /// <summary>
+        /// Performs mouse click at relative location 1,1 is bottom right
+        /// </summary>
+        public virtual void RelativeClick(float x, float y)
+        {
+            actionListener.ActionPerforming(this);
+            PerformIfValid(() => PerformRelativeClick(x, y));
+        }
+
+        /// <summary>
+        /// Performs mouse click at an absolut location from top left
+        /// </summary>
+        public virtual void AbsoluteClick(Point offset)
+        {
+            actionListener.ActionPerforming(this);
+            PerformIfValid(() => PerformOffsetClick(offset));
         }
 
         /// <summary>
@@ -622,15 +645,26 @@ private void PerformIfValid(System.Action action)
             throw new AutomationException(string.Format("Cannot perform action on {0}, {1}", this, message), Debug.Details(AutomationElement));
         }
 
-        private void PerformClick()
+        private void PerformRelativeClick(float width, float height)
+        {
+            if (!Enabled) Logger.WarnFormat("Clicked on disabled item: {0}", ToString());
+            var bounds = Bounds;
+            if (bounds.IsEmpty)
+            {
+                throw new WhiteException(string.Format("Failed to click on {0}, bounds empty", ToString()));
+            }
+            mouse.Click(new Point(bounds.Left + (bounds.Width * width), bounds.Top + (bounds.Height * height)), actionListener);
+        }
+
+        private void PerformOffsetClick(Point offset)
         {
             if (!Enabled) Logger.WarnFormat("Clicked on disabled item: {0}", ToString());
             var bounds = Bounds;
             if (bounds.IsEmpty)
             {
                 throw new WhiteException(string.Format("Failed to click on {0}, bounds empty", ToString()));
             }
-            mouse.Click(bounds.Center(), actionListener);
+            mouse.Click(new Point(bounds.Left + offset.X, bounds.Top + offset.Y), actionListener);
         }
 
         #endregion