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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);
}
}
}
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