/// <summary>
/// Function to reset the buttons.
/// </summary>
public override void ResetButtons()
{
base.ResetButtons();
// Ensure that the double clicking functionality is turned off.
_doubleClickButton = PointingDeviceButtons.None;
_doubleClicker.Reset();
_clickCount = 0;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="buttons">Buttons that are pressed during mouse event.</param>
/// <param name="shiftButtons">Buttons that are held down during the mouse evnet.</param>
/// <param name="position">Position of the mouse.</param>
/// <param name="wheelPosition">Position of the wheel.</param>
/// <param name="relativePosition">Relative position of the mouse.</param>
/// <param name="wheelDelta">Relative position of the wheel.</param>
/// <param name="clickCount">Number of clicks in a timed period.</param>
public PointingDeviceEventArgs(PointingDeviceButtons buttons, PointingDeviceButtons shiftButtons, PointF position, int wheelPosition, PointF relativePosition, int wheelDelta, int clickCount)
{
_button = buttons;
_shiftButtons = shiftButtons;
_position = position;
_wheelPosition = wheelPosition;
_relative = relativePosition;
_wheelDelta = wheelDelta;
_clickCount = clickCount;
}
/// <summary>
/// Function to return whether a pointing device click is a double click or not.
/// </summary>
/// <param name="button">Button used for double click.</param>
/// <returns>TRUE if it is a double click, FALSE if not.</returns>
private bool IsDoubleClick(PointingDeviceButtons button)
{
if ((button != _doubleClickButton) ||
(_doubleClicker.Milliseconds > DoubleClickDelay))
{
return(false);
}
return((!((Position.X - _doubleClickPosition.X).Abs() > DoubleClickRange.X)) &&
(!((Position.Y - _doubleClickPosition.Y).Abs() > DoubleClickRange.Y)));
}
/// <summary>
/// Function to begin a double click.
/// </summary>
/// <param name="button">Button used for double click.</param>
private void BeginDoubleClick(PointingDeviceButtons button)
{
if (_clickCount >= 1)
{
return;
}
_doubleClickPosition = Position;
_doubleClickButton = button;
_doubleClicker.Reset();
}
/// <summary>
/// Initializes a new instance of the <see cref="GorgonPointingDevice"/> class.
/// </summary>
/// <param name="owner">The control that owns this device.</param>
/// <param name="deviceName">Name of the input device.</param>
/// <exception cref="System.ArgumentNullException">Thrown when the <paramref name="owner"/> parameter is NULL (or Nothing in VB.NET).</exception>
protected GorgonPointingDevice(GorgonInputFactory owner, string deviceName)
: base(owner, deviceName)
{
_position = PointF.Empty;
Button = PointingDeviceButtons.None;
_positionConstraint = RectangleF.Empty;
_wheelConstraint = Point.Empty;
ResetCursor();
ShowCursor();
DoubleClickDelay = SystemInformation.DoubleClickTime;
DoubleClickRange = new PointF(SystemInformation.DoubleClickSize.Width, SystemInformation.DoubleClickSize.Height);
}
/// <summary>
/// Function to fire the pointing device button up event.
/// </summary>
/// <param name="button">Button that's being pressed.</param>
/// <param name="clickCount">Number of full clicks in a timed period.</param>
protected void OnPointingDeviceUp(PointingDeviceButtons button, int clickCount)
{
ConstrainData();
Button &= ~button;
if (PointingDeviceUp == null)
{
return;
}
var e = new PointingDeviceEventArgs(button, Button, _position, _wheel, RelativePosition, WheelDelta, clickCount);
PointingDeviceUp(this, e);
}
/// <summary>
/// Function to fire the pointing device button down event.
/// </summary>
/// <param name="button">Button that's being pressed.</param>
protected void OnPointingDeviceDown(PointingDeviceButtons button)
{
ConstrainData();
Button |= button;
if (PointingDeviceDown == null)
{
return;
}
var e = new PointingDeviceEventArgs(button, Button, _position, _wheel, RelativePosition, WheelDelta, 0);
PointingDeviceDown(this, e);
}
/// <summary>
/// Function to update the mouse information.
/// </summary>
/// <param name="position">The position of the mouse cursor.</param>
/// <param name="button">The current button being held down.</param>
private void UpdateMouseLabel(PointF position, PointingDeviceButtons button)
{
if ((button & PointingDeviceButtons.Button1) == PointingDeviceButtons.Button1)
{
_spray.SprayPoint(Point.Round(position));
_currentCursor = Resources.hand_pointer_icon;
}
else
{
_currentCursor = Resources.hand_icon;
}
_mousePosition = new Point((int)position.X, (int)_mouse.Position.Y);
labelMouse.Text = string.Format("{0}: {1}x{2}. Button: {3}. Using {4} for data retrieval.",
_mouse.Name,
position.X.ToString("0.#"),
position.Y.ToString("0.#"),
button,
(_usePolling ? "Polling" : "Events"));
}
/// <summary>
/// Function to reset the buttons.
/// </summary>
public virtual void ResetButtons()
{
Button = PointingDeviceButtons.None;
}
