1 files changed, 51 insertions, 0 deletions
diff --git a/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Logging/Controls/TimelineScrollViewer.cs b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Logging/Controls/TimelineScrollViewer.cs
new file mode 100644
index 000000000..dd1227a06
--- /dev/null
+++ b/Software/Visual_Studio/MachineStudio/Modules/Tango.MachineStudio.Logging/Controls/TimelineScrollViewer.cs
@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows.Controls;
+using System.Windows.Input;
+
+namespace Tango.MachineStudio.Logging.Controls
+{
+    public class TimelineScrollViewer : ScrollViewer
+    {
+        public event EventHandler<MouseWheelEventArgs> MouseZooming;
+
+        protected override void OnMouseWheel(MouseWheelEventArgs e)
+        {
+            if (Keyboard.IsKeyDown(Key.LeftCtrl))
+            {
+                e.Handled = true;
+                OnMouseZooming(e);
+            }
+            else
+            {
+                base.OnMouseWheel(e);
+            }
+
+            e.Handled = false;
+        }
+
+        protected override void OnKeyDown(KeyEventArgs e)
+        {
+            if (e.KeyboardDevice.Modifiers == ModifierKeys.Control)
+            {
+                if (e.Key == Key.Left || e.Key == Key.Right)
+                    e.Handled = true;
+                return;
+            }
+            base.OnKeyDown(e);
+        }
+
+        protected override void OnPreviewKeyDown(KeyEventArgs e)
+        {
+            e.Handled = true;
+        }
+
+        protected virtual void OnMouseZooming(MouseWheelEventArgs e)
+        {
+            if (MouseZooming != null) MouseZooming(this, e);
+        }
+    }
+}