/// <summary>
/// Handles the Up event of the Mouse control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="args">The <see cref="PointingDeviceEventArgs"/> instance containing the event data.</param>
private static void Mouse_Up(object sender, PointingDeviceEventArgs args)
{
if (((args.Buttons & PointingDeviceButtons.Right) != PointingDeviceButtons.Right) &&
(_mouse.Exclusive))
{
return;
}
_mouse.Exclusive = false;
_mouse.ShowCursor();
}
//private PointingDeviceEventArgs _eventData;
//private PointF _mousePosition;
//private int _wheelDelta;
//public PointingDeviceEventArgs EventData { get { return _eventData; } }
//public Point Position { get { return Position }
//public Point RelativePosition { get { return new Point((int)base.RelativePosition.X, (int)base.RelativePosition.Y); } }
public MouseEventArgs(PointingDeviceEventArgs args)
{
ClickCount = args.ClickCount;
DoubleClick = args.DoubleClick;
Position = Point2D.FromPointF(args.Position);
RelativePosition = Point2D.FromPointF(args.RelativePosition);
ShiftButtons = args.ShiftButtons;
WheelDelta = args.WheelDelta;
WheelPosition = args.WheelPosition;
}
/// <summary>
/// Handles the Down event of the Mouse control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="args">The <see cref="PointingDeviceEventArgs"/> instance containing the event data.</param>
private static void Mouse_Down(object sender, PointingDeviceEventArgs args)
{
if (((args.Buttons & PointingDeviceButtons.Right) != PointingDeviceButtons.Right) &&
(!_mouse.Exclusive))
{
return;
}
_mouseStart = args.Position;
_mouse.Exclusive = true;
}
/// <summary>
/// Handles the PointingDeviceWheelMove event of the _mouse control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="PointingDeviceEventArgs" /> instance containing the event data.</param>
private void _mouse_PointingDeviceWheelMove(object sender, PointingDeviceEventArgs e)
{
if (e.WheelDelta > 0)
{
_radius += 1.0f;
}
if (e.WheelDelta < 0)
{
_radius -= 1.0f;
}
if (_radius < 2.0f)
{
_radius = 2.0f;
}
if (_radius > 10.0f)
{
_radius = 10.0f;
}
}
/// <summary>
/// Function to convert raw input pointing device args to win forms event args.
/// </summary>
/// <param name="args">Raw input device args.</param>
/// <returns>Winforms event args.</returns>
private static MouseEventArgs Convert(PointingDeviceEventArgs args)
{
var buttons = MouseButtons.None;
if (args.Buttons.HasFlag(PointingDeviceButtons.Button1))
{
buttons |= MouseButtons.Left;
}
if (args.Buttons.HasFlag(PointingDeviceButtons.Button2))
{
buttons |= MouseButtons.Right;
}
if (args.Buttons.HasFlag(PointingDeviceButtons.Button3))
{
buttons |= MouseButtons.Middle;
}
return(new MouseEventArgs(buttons, args.ClickCount, (int)args.Position.X, (int)args.Position.Y, args.WheelDelta));
}
/// <summary>
/// Handles the button and movement events of the _mouse control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="PointingDeviceEventArgs" /> instance containing the event data.</param>
private void MouseInput(object sender, PointingDeviceEventArgs e)
{
Color drawColor = Color.Black; // Drawing color.
if (e.Buttons == PointingDeviceButtons.None)
{
return;
}
// Draw to the back buffer.
_2D.Target = _backBuffer;
_2D.Drawing.Blending.DestinationAlphaBlend = BlendType.One;
_2D.Drawing.BlendingMode = _blendMode;
if ((e.Buttons & PointingDeviceButtons.Left) == PointingDeviceButtons.Left)
{
drawColor = Color.FromArgb(64, 0, 0, 192);
}
if ((e.Buttons & PointingDeviceButtons.Right) == PointingDeviceButtons.Right)
{
drawColor = Color.FromArgb(64, 192, 0, 0);
}
// Draw the pen.
var penPositon = new RectangleF(e.Position.X - (_radius / 2.0f), e.Position.Y - (_radius / 2.0f), _radius, _radius);
if (_radius > 3.0f)
{
_2D.Drawing.FilledEllipse(penPositon, drawColor);
}
else
{
_2D.Drawing.FilledRectangle(penPositon, drawColor);
}
_2D.Drawing.Blending.DestinationAlphaBlend = BlendType.Zero;
_2D.Target = null;
}
/// <summary>
/// Function to call in the mouse move event of the control being rendered into.
/// </summary>
/// <param name="e">Event parameters.</param>
/// <returns>TRUE if handled, FALSE if not.</returns>
public bool OnMouseMove(PointingDeviceEventArgs e)
{
return(OnMouseMove(Convert(e)));
}
/// <summary>
/// Handles the PointingDeviceMove event of the _mouse control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="PointingDeviceEventArgs" /> instance containing the event data.</param>
/// <exception cref="System.NotSupportedException"></exception>
private void _mouse_PointingDeviceMove(object sender, PointingDeviceEventArgs e)
{
UpdateMouseLabel(e.Position, e.Buttons | e.ShiftButtons);
}
/// <summary>
/// Handles the PointingDeviceUp event of the _mouse control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="PointingDeviceEventArgs" /> instance containing the event data.</param>
/// <exception cref="System.NotSupportedException"></exception>
private void _mouse_PointingDeviceUp(object sender, PointingDeviceEventArgs e)
{
// Update the buttons so that only the buttons we have held down are showing.
UpdateMouseLabel(e.Position, e.ShiftButtons & ~e.Buttons);
}
