private static void FillPressedButtons(MouseEventArgs e, ref PointerPoint point)
{
point.IsLeftButtonPressed = e.LeftButton == MouseButtonState.Pressed;
point.IsMiddleButtonPressed = e.MiddleButton == MouseButtonState.Pressed;
point.IsRightButtonPressed = e.RightButton == MouseButtonState.Pressed;
point.IsXButton1Pressed = e.XButton1 == MouseButtonState.Pressed;
point.IsXButton2Pressed = e.XButton2 == MouseButtonState.Pressed;
}
/// <summary>
/// Creates a platform-independent instance of <see cref="PointerPoint"/> class from WP8-specific objects.
/// </summary>
/// <param name="type">The pointer event type.</param>
/// <param name="point">The WP8-specific instance of pointer point.</param>
/// <returns>An instance of <see cref="PointerPoint"/> class.</returns>
private void CreateAndAddPoint(PointerEventType type, global::Windows.UI.Input.PointerPoint point)
{
if (point == null) throw new ArgumentNullException("point");
// If we can't access the uiElement (this can happen here), then run this code on the UI thread
if (!uiElement.Dispatcher.CheckAccess())
{
uiElement.Dispatcher.BeginInvoke(() => CreateAndAddPoint(type, point));
return;
}
var p = point.Position;
var properties = point.Properties;
var contactRect = properties.ContactRect;
var width = (float)uiElement.ActualWidth;
var height = (float)uiElement.ActualHeight;
var position = new Vector2((float)p.X / width, (float)p.Y / height);
position.Saturate();
var result = new PointerPoint
{
EventType = type,
DeviceType = PointerDeviceType.Touch,
KeyModifiers = KeyModifiers.None,
PointerId = point.PointerId,
Position = position,
Timestamp = point.Timestamp,
ContactRect = new RectangleF((float)contactRect.X / width, (float)contactRect.Y / height, (float)contactRect.Width / width, (float)contactRect.Height / height),
IsBarrelButtonPressed = properties.IsBarrelButtonPressed,
IsCanceled = properties.IsCanceled,
IsEraser = properties.IsEraser,
IsHorizontalMouseWheel = properties.IsHorizontalMouseWheel,
IsInRange = properties.IsInRange,
IsInverted = properties.IsInverted,
IsLeftButtonPressed = properties.IsLeftButtonPressed,
IsMiddleButtonPressed = properties.IsMiddleButtonPressed,
IsPrimary = properties.IsPrimary,
IsRightButtonPressed = properties.IsRightButtonPressed,
IsXButton1Pressed = properties.IsXButton1Pressed,
IsXButton2Pressed = properties.IsXButton2Pressed,
MouseWheelDelta = properties.MouseWheelDelta,
Orientation = properties.Orientation,
TouchConfidence = properties.TouchConfidence,
Twist = properties.Twist,
XTilt = properties.XTilt,
YTilt = properties.YTilt,
PointerUpdateKind = PointerUpdateKind.Other
};
manager.AddPointerEvent(ref result);
}
private void AddTouchEvent(PointerEventType eventType, TouchEventArgs e)
{
var p = e.GetTouchPoint(element);
var point = new PointerPoint();
FillPointInformation(ref point,
eventType,
PointerDeviceType.Touch,
GetTouchUpdateKind(p.Action),
p.Position);
manager.AddPointerEvent(ref point);
}
private void FillPointInformation(ref PointerPoint point,
PointerEventType eventType,
PointerDeviceType deviceType,
PointerUpdateKind updateKind,
System.Windows.Point positionPoint)
{
var position = new Vector2((float)(positionPoint.X / element.ActualWidth), (float)(positionPoint.Y / element.ActualHeight));
position.Saturate();
point.EventType = eventType;
point.DeviceType = deviceType;
point.KeyModifiers = GetPressedKeyModifiers();
point.PointerId = 0;
point.Position = position;
point.Timestamp = (ulong)DateTime.Now.Ticks;
point.ContactRect = new RectangleF(position.X, position.Y, 0f, 0f);
point.IsBarrelButtonPressed = false;
point.IsCanceled = false;
point.IsEraser = false;
point.IsHorizontalMouseWheel = false;
point.IsInRange = false;
point.IsInverted = false;
point.IsPrimary = true;
point.MouseWheelDelta = 0;
point.Orientation = 0f;
point.TouchConfidence = false;
point.Twist = 0f;
point.XTilt = 0f;
point.YTilt = 0f;
point.PointerUpdateKind = updateKind;
}
private void AddMousePointerEvent(PointerEventType eventType, PointerUpdateKind updateKind, int wheelDelta, MouseEventArgs e)
{
var p = Mouse.GetPosition(element);
var point = new PointerPoint();
FillPointInformation(ref point,
eventType,
PointerDeviceType.Mouse,
updateKind,
p);
FillPressedButtons(e, ref point);
point.MouseWheelDelta = wheelDelta;
manager.AddPointerEvent(ref point);
}
private void AddPenPointerEvent(PointerEventType eventType, PointerUpdateKind updateKind, bool isPress, StylusEventArgs e)
{
var p = e.GetPosition(element);
var point = new PointerPoint();
FillPointInformation(ref point,
eventType,
PointerDeviceType.Pen,
updateKind,
p);
// if this was a press - try to determine which button was pressed
if (isPress)
{
if (e.Inverted)
point.IsRightButtonPressed = true;
else
point.IsLeftButtonPressed = true;
}
manager.AddPointerEvent(ref point);
}
/// <summary>
/// Adds a pointer point to the raised events collection. It will be copied to pointer state at next update.
/// </summary>
/// <param name="point">The raised pointer event</param>
internal void AddPointerEvent(ref PointerPoint point)
{
// use a simple lock at this time, to avoid excessive code complexity
lock(pointerPointLock)
pointerPoints.Add(point);
}
private void AppendPenProperties(StringBuilder sb, PointerPoint p)
{
sb.AppendFormat("Er:{0}; Rng:{1}; Inv:{2}; Or:{3}; Tw:{4}; Tx:{5}; Ty:{6}", p.IsEraser, p.IsInRange, p.IsInverted, p.Orientation, p.Twist, p.XTilt, p.YTilt);
}
private void AppendMouseProperties(StringBuilder sb, PointerPoint p)
{
sb.AppendFormat("L:{0}; R:{1}; M:{2}; d:{3}", p.IsLeftButtonPressed, p.IsRightButtonPressed, p.IsMiddleButtonPressed, p.MouseWheelDelta);
}
/// <summary>
/// Adds a pointer point to the raised events collection. It will be copied to pointer state at next update.
/// </summary>
/// <param name="point">The raised pointer event</param>
internal void AddPointerEvent(ref PointerPoint point)
{
// use a simple lock at this time, to avoid excessive code complexity
lock (pointerPointLock)
pointerPoints.Add(point);
}
public PointerEventDescrption(int index, PointerPoint point)
{
this.index = index;
this.point = point;
this.description = point.EventType.ToString();
}
private void AddEvent(PointerPoint point)
{
// uncomment and edit these lines to filter-out the unneeded events
//if (recentEvents.Count > 0)
//{
// var e = recentEvents.Last();
// var skipEvent = e.Point.DeviceType == point.DeviceType
// && e.Point.PointerId == point.PointerId
// && e.Point.Properties.PointerUpdateKind == point.Properties.PointerUpdateKind;
// if (skipEvent) return;
//}
if (recentEvents.Count == maxEvents)
recentEvents.Dequeue();
recentEvents.Enqueue(new PointerEventDescrption(eventIndex++, point));
}
private void AppendTouchProperties(StringBuilder sb, PointerPoint p)
{
sb.AppendFormat("L:{0}; C:{1}; T:{2}; R:{3}", p.IsLeftButtonPressed, p.IsCanceled, p.TouchConfidence, p.IsInRange);
}
/// <summary>
/// Creates a <see cref="PointerPoint"/> instance from current mouse state.
/// </summary>
/// <param name="eventType">The type of pointer event.</param>
/// <param name="pointerUpdateKind">The kind of pointer event.</param>
/// <param name="wheelDelta">The current mouse wheel delta.</param>
private void CreateAndAddPoint(PointerEventType eventType, PointerUpdateKind pointerUpdateKind, int wheelDelta)
{
var p = control.PointToClient(Control.MousePosition);
var mouseButtons = Control.MouseButtons;
var clientSize = control.ClientSize;
var position = new Vector2((float)p.X / clientSize.Width, (float)p.Y / clientSize.Height);
position.Saturate();
var point = new PointerPoint
{
EventType = eventType,
DeviceType = PointerDeviceType.Mouse,
KeyModifiers = GetCurrentKeyModifiers(),
PointerId = 0,
Position = position,
Timestamp = (ulong)DateTime.Now.Ticks,
ContactRect = new RectangleF(position.X, position.Y, 0f, 0f),
IsBarrelButtonPressed = false,
IsCanceled = false,
IsEraser = false,
IsHorizontalMouseWheel = false,
IsInRange = false,
IsInverted = false,
IsLeftButtonPressed = (mouseButtons & MouseButtons.Left) != 0,
IsMiddleButtonPressed = (mouseButtons & MouseButtons.Middle) != 0,
IsPrimary = true,
IsRightButtonPressed = (mouseButtons & MouseButtons.Right) != 0,
IsXButton1Pressed = (mouseButtons & MouseButtons.XButton1) != 0,
IsXButton2Pressed = (mouseButtons & MouseButtons.XButton2) != 0,
MouseWheelDelta = wheelDelta,
Orientation = 0f,
TouchConfidence = false, // ?
Twist = 0f,
XTilt = 0f,
YTilt = 0f,
PointerUpdateKind = pointerUpdateKind
};
manager.AddPointerEvent(ref point);
}
/// <summary>
/// Decodes a single touch point and creates from it the <see cref="PointerPoint"/> class.
/// </summary>
/// <param name="input">The touch point input structure.</param>
private void DecodeAndDispatchTouchPoint(TOUCHINPUT input)
{
var p = control.PointToClient(new System.Drawing.Point(AdjustX(input.x), AdjustY(input.y)));
var mask = input.dwMask;
var flags = input.dwFlags;
var isPrimary = (flags & User32.TOUCHEVENTF_PRIMARY) != 0;
PointerUpdateKind pointerUpdateKind;
PointerEventType eventType;
if ((flags & User32.TOUCHEVENTF_DOWN) != 0)
{
pointerUpdateKind = PointerUpdateKind.LeftButtonPressed;
eventType = PointerEventType.Pressed;
}
else if ((flags & User32.TOUCHEVENTF_DOWN) != 0)
{
pointerUpdateKind = PointerUpdateKind.LeftButtonReleased;
eventType = PointerEventType.Released;
}
else
{
pointerUpdateKind = PointerUpdateKind.Other;
eventType = PointerEventType.Moved;
}
var clientSize = control.ClientSize;
var position = new Vector2((float)p.X / clientSize.Width, (float)p.Y / clientSize.Height);
position.Saturate();
var point = new PointerPoint
{
EventType = eventType,
DeviceType = ((flags & User32.TOUCHEVENTF_PEN) != 0) ? PointerDeviceType.Pen : PointerDeviceType.Touch,
PointerId = (uint)input.dwID,
Timestamp = (ulong)input.dwTime,
Position = position,
KeyModifiers = GetCurrentKeyModifiers(),
IsPrimary = isPrimary,
IsInRange = (flags & User32.TOUCHEVENTF_INRANGE) != 0,
TouchConfidence = (flags & User32.TOUCHEVENTF_PALM) != 0,
PointerUpdateKind = pointerUpdateKind,
};
if ((mask & User32.TOUCHINPUTMASKF_CONTACTAREA) != 0)
point.ContactRect = new RectangleF(position.X, position.Y, (float)AdjustX(input.cxContact) / clientSize.Width, (float)AdjustY(input.cyContact) / clientSize.Height);
manager.AddPointerEvent(ref point);
}
/// <summary>
/// Creates a platform-independent instance of <see cref="PointerPoint"/> class from WP8-specific objects.
/// </summary>
/// <param name="type">The pointer event type.</param>
/// <param name="point">The WP8-specific instance of pointer point.</param>
/// <returns>An instance of <see cref="PointerPoint"/> class.</returns>
private void CreateAndAddPoint(PointerEventType type, global::Windows.UI.Input.PointerPoint point)
{
if (point == null) throw new ArgumentNullException("point");
var position = point.Position;
var properties = point.Properties;
var contactRect = properties.ContactRect;
var result = new PointerPoint
{
EventType = type,
DeviceType = PointerDeviceType.Touch,
KeyModifiers = KeyModifiers.None,
PointerId = point.PointerId,
Position = new DrawingPointF((float)position.X, (float)position.Y),
Timestamp = point.Timestamp,
ContactRect = new DrawingRectangleF((float)contactRect.X, (float)contactRect.Y, (float)contactRect.Width, (float)contactRect.Height),
IsBarrelButtonPresset = properties.IsBarrelButtonPressed,
IsCanceled = properties.IsCanceled,
IsEraser = properties.IsEraser,
IsHorizontalMouseWheel = properties.IsHorizontalMouseWheel,
IsInRange = properties.IsInRange,
IsInverted = properties.IsInverted,
IsLeftButtonPressed = properties.IsLeftButtonPressed,
IsMiddleButtonPressed = properties.IsMiddleButtonPressed,
IsPrimary = properties.IsPrimary,
IsRightButtonPressed = properties.IsRightButtonPressed,
IsXButton1Pressed = properties.IsXButton1Pressed,
IsXButton2Pressed = properties.IsXButton2Pressed,
MouseWheelDelta = properties.MouseWheelDelta,
Orientation = properties.Orientation,
TouchConfidence = properties.TouchConfidence,
Twist = properties.Twist,
XTilt = properties.XTilt,
YTilt = properties.YTilt,
PointerUpdateKind = PointerUpdateKind.Other
};
manager.AddPointerEvent(ref result);
}
private void AddEvent(PointerPoint point)
{
if (recentEvents.Count == maxEvents)
recentEvents.Dequeue();
recentEvents.Enqueue(new PointerEventDescrption(eventIndex++, point));
}