private static void HandleZoomByWheelAndCtrl(IPlotView view, OxyMouseWheelEventArgs args, double factor = 1)
{
var m = new CustomZoomStepManipulator(view, EAxisDescription.Y)
{
Step = args.Delta * 0.001 * factor
};
m.Started(args);
}
/// <summary>
/// Zooms the view by the mouse wheel delta in the specified <see cref="OxyKeyEventArgs" />.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="args">The <see cref="OxyMouseWheelEventArgs" /> instance containing the event data.</param>
/// <param name="factor">The zoom speed factor. Default value is 1.</param>
private static void HandleZoomByWheel(IPlotView view, OxyMouseWheelEventArgs args, double factor = 1)
{
var m = new ZoomStepManipulator(view)
{
Step = args.Delta * 0.001 * factor, FineControl = args.IsControlDown
};
m.Started(args);
}
public override bool HandleMouseWheel(IView view, OxyMouseWheelEventArgs args)
{
var plotView = view as PlotView;
if (plotView == null)
{
return(base.HandleMouseWheel(view, args));
}
var model = plotView.ActualModel;
if (model == null)
{
return(base.HandleMouseWheel(view, args));
}
if (args.IsControlDown)
{
if (args.IsShiftDown)
{
model.DefaultXAxis.Zoom(model.DefaultXAxis.Scale * (args.Delta > 0 ? 1.2 : 0.8));
plotView.InvalidatePlot(false);
return(true);
}
Axis xAxis, yAxis;
model.GetAxesFromPoint(args.Position, out xAxis, out yAxis);
if (yAxis == null)
{
return(base.HandleMouseWheel(view, args));
}
double y = yAxis.InverseTransform(args.Position.Y);
yAxis.ZoomAt(args.Delta > 0 ? 1.2 : 0.8, y);
plotView.InvalidatePlot(false);
return(true);
}
if (args.IsShiftDown)
{
plotView.Model.DefaultXAxis.Pan((double)args.Delta / 3);
plotView.InvalidatePlot(false);
return(true);
}
return(base.HandleMouseWheel(view, args));
}
/// <summary>
/// Zooms the view by the mouse wheel delta in the specified <see cref="OxyKeyEventArgs" />.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="args">The <see cref="OxyMouseWheelEventArgs" /> instance containing the event data.</param>
/// <param name="factor">The zoom speed factor. Default value is 1.</param>
private static void HandleZoomByWheel(IPlotView view, OxyMouseWheelEventArgs args, double factor = 1)
{
var m = new ZoomStepManipulator(view) { Step = args.Delta * 0.001 * factor, FineControl = args.IsControlDown };
m.Started(args);
}
