/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Control.MouseWheel"/> event.
/// </summary>
/// <param name="e">
/// A <see cref="T:System.Windows.Forms.MouseEventArgs"/> that contains the event data.
/// </param>
protected override void OnMouseWheel(MouseEventArgs e)
{
base.OnMouseWheel(e);
bool isControlDown = ModifierKeys == Keys.Control;
var m = new ZoomStepManipulator(this, e.Delta * 0.001, isControlDown);
m.Started(new ManipulationEventArgs(e.Location.ToScreenPoint()));
}
/// <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);
}
/// <summary>
/// Zooms the view by the specified factor at the position specified in the <see cref="OxyMouseEventArgs" />.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="args">The <see cref="OxyMouseWheelEventArgs" /> instance containing the event data.</param>
/// <param name="delta">The zoom factor.</param>
private static void HandleZoomAt(IPlotView view, OxyMouseEventArgs args, double delta)
{
var m = new ZoomStepManipulator(view)
{
Step = delta, FineControl = args.IsControlDown
};
m.Started(args);
}
/// <summary>
/// Called before the <see cref="E:System.Windows.UIElement.MouseWheel"/> event occurs to provide handling for the event in a derived class without attaching a delegate.
/// </summary>
/// <param name="e">
/// A <see cref="T:System.Windows.Input.MouseWheelEventArgs"/> that contains the event data.
/// </param>
protected override void OnMouseWheel(MouseWheelEventArgs e)
{
base.OnMouseWheel(e);
if (!this.IsMouseWheelEnabled)
{
return;
}
bool isControlDown = IsControlDown();
var m = new ZoomStepManipulator(this, e.Delta * 0.001, isControlDown);
m.Started(new ManipulationEventArgs(e.GetPosition(this).ToScreenPoint()));
}
/// <summary>
/// Called before the PointerWheelChanged event occurs.
/// </summary>
/// <param name="e">
/// Event data for the event.
/// </param>
protected override void OnPointerWheelChanged(PointerRoutedEventArgs e)
{
base.OnPointerWheelChanged(e);
if (!this.IsMouseWheelEnabled)
{
return;
}
var point = e.GetCurrentPoint(this);
var delta = point.Properties.MouseWheelDelta;
var position = point.Position;
var control = (e.KeyModifiers & VirtualKeyModifiers.Control) == VirtualKeyModifiers.Control;
var m = new ZoomStepManipulator(this, delta * 0.001, control);
m.Started(new ManipulationEventArgs(position.ToScreenPoint()));
}
/// <summary>
/// Called before the PointerWheelChanged event occurs.
/// </summary>
/// <param name="e">
/// Event data for the event.
/// </param>
protected override void OnPointerWheelChanged(PointerRoutedEventArgs e)
{
base.OnPointerWheelChanged(e);
if (!this.IsMouseWheelEnabled)
{
return;
}
var point = e.GetCurrentPoint(this);
var delta = point.Properties.MouseWheelDelta;
var position = point.Position;
var control = (e.KeyModifiers & VirtualKeyModifiers.Control) == VirtualKeyModifiers.Control;
var m = new ZoomStepManipulator(this, delta * 0.001, control);
m.Started(new ManipulationEventArgs(position.ToScreenPoint()));
}
/// <summary>
/// Raises the <see cref="E:System.Windows.Forms.Control.MouseWheel"/> event.
/// </summary>
/// <param name="e">
/// A <see cref="T:System.Windows.Forms.MouseEventArgs"/> that contains the event data.
/// </param>
protected override void OnMouseWheel(MouseEventArgs e)
{
base.OnMouseWheel(e);
bool isControlDown = ModifierKeys == Keys.Control;
var m = new ZoomStepManipulator(this, e.Delta * 0.001, isControlDown);
m.Started(new ManipulationEventArgs(e.Location.ToScreenPoint()));
}
/// <summary>
/// Called before the <see cref="E:System.Windows.UIElement.MouseWheel"/> event occurs to provide handling for the event in a derived class without attaching a delegate.
/// </summary>
/// <param name="e">
/// A <see cref="T:System.Windows.Input.MouseWheelEventArgs"/> that contains the event data.
/// </param>
protected override void OnMouseWheel(MouseWheelEventArgs e)
{
base.OnMouseWheel(e);
if (!this.IsMouseWheelEnabled)
{
return;
}
bool isControlDown = IsControlDown();
var m = new ZoomStepManipulator(this, e.Delta * 0.001, isControlDown);
m.Started(new ManipulationEventArgs(e.GetPosition(this).ToScreenPoint()));
}
/// <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);
}
/// <summary>
/// Zooms the view by the specified factor at the position specified in the <see cref="OxyMouseEventArgs" />.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="args">The <see cref="OxyMouseWheelEventArgs" /> instance containing the event data.</param>
/// <param name="delta">The zoom factor.</param>
private static void HandleZoomAt(IPlotView view, OxyMouseEventArgs args, double delta)
{
var m = new ZoomStepManipulator(view) { Step = delta, FineControl = args.IsControlDown };
m.Started(args);
}
/// <summary>
/// Invoked when an unhandled MouseWheel attached event reaches an element in its route that is derived from this class. Implement this method to add class handling for this event.
/// </summary>
/// <param name="e">
/// The <see cref="T:System.Windows.Input.MouseWheelEventArgs"/> that contains the event data.
/// </param>
protected override void OnMouseWheel(MouseWheelEventArgs e)
{
base.OnMouseWheel(e);
if (e.Handled)
{
return;
}
if (!this.IsMouseWheelEnabled)
{
return;
}
bool isControlDown = Keyboard.IsKeyDown(Key.LeftCtrl);
//// bool isShiftDown = Keyboard.IsKeyDown(Key.LeftShift);
//// bool isAltDown = Keyboard.IsKeyDown(Key.LeftAlt);
var m = new ZoomStepManipulator(this, e.Delta * 0.001, isControlDown);
m.Started(new ManipulationEventArgs(e.GetPosition(this).ToScreenPoint()));
e.Handled = true;
}
