ResponseMouseArgs

Mouse event payload delivered to Responses handlers. Mirrors MouseEventArgs but carries the cursor location in both Control and Content coordinate systems, holds a reference to the host control, and exposes an Invalidate() method that schedules a redraw without the responder having to subscribe to a separate event.

Constructors

ResponseMouseArgs

public ResponseMouseArgs(FlexControl host, MouseEventArgs eto)

Wrap a raw Eto MouseEventArgs from the host control. The wrapped event is assumed to carry the cursor location in Control (raw pixel) space — the Content-space location is computed lazily on first access via the host's projection. Do not pass an Eto event whose Location has already been mapped to Content space.

Parameters:

host (FlexControl)
eto (MouseEventArgs)

ResponseMouseArgs

public ResponseMouseArgs(MouseEventArgs eto, Control control = null)

Wrap an Eto MouseEventArgs without a Grasshopper-side host. Used by standalone Eto controls that embed a responder but don't themselves implement IFlexControl. In this mode there is no projection — ContentLocation equals ControlLocation — and Invalidate() falls back to Control.Invalidate() on the supplied fallback control (or is a no-op if null).

Parameters:

eto (MouseEventArgs)
control (Control = null)

Properties

Buttons

public MouseButtons Buttons { get; }

Pressed mouse buttons.

ContentLocation

public PointF ContentLocation { get; }

Cursor location in content-space (the host's projected coordinates). Computed lazily from ControlLocation via the host's projection on first access. Equals ControlLocation when there is no host (standalone Eto controls).

ControlLocation

public PointF ControlLocation { get; }

Cursor location in raw control-space pixels.

Delta

public SizeF Delta { get; }

Wheel delta (zero for non-wheel events).

Handled

public bool Handled { get; set; }

Whether this event has been marked handled. Mutating this also mutates the underlying Eto event so the original raise-site sees the change.

Modifiers

public Keys Modifiers { get; }

Keyboard modifiers pressed during the event.

Pressure

public float Pressure { get; }

Pen pressure (0..1) for pressure-sensitive input devices.

UnderlyingEtoEventArgs

[EditorBrowsable(EditorBrowsableState.Never)] public MouseEventArgs UnderlyingEtoEventArgs { get; }

Underlying Eto MouseEventArgs for handlers that still need it.

Methods

Invalidate

public void Invalidate()

Schedule a redraw on the hosting control.