public static SkiTouch Get(
long id,
SKTouchAction type,
SKMouseButton mouseButton,
SKTouchDeviceType deviceType,
SKPoint location,
bool inContact,
int wheelDelta
)
{
if (!_cachedTouches.TryTake(out var result))
{
result = new SkiTouch();
}
if (mouseButton == SKMouseButton.Unknown && (inContact || type == SKTouchAction.Released || type == SKTouchAction.Cancelled))
{
// Unknown mouse button presses are not currently handled (extra mouse buttons),
// so update them to act as a hover
type = SKTouchAction.Moved;
inContact = false;
}
result.Id = id;
result.ActionType = type;
result.MouseButton = mouseButton;
result.DeviceType = deviceType;
result.PointPixels = location;
result.InContact = inContact;
result.WheelDelta = wheelDelta;
return(result);
}
// processing
private bool CommonHandler(object sender, SKTouchAction touchActionType, InputEventArgs evt)
{
if (onTouchAction == null || scalePixels == null)
{
return(false);
}
var view = sender as FrameworkElement;
// bail out if this view is not part the view hierarchy anymore
if (PresentationSource.FromVisual(view) == null)
{
return(false);
}
var id = GetId(evt);
var action = GetTouchAction(touchActionType, view, evt);
var mouse = GetMouseButton(evt);
var device = GetTouchDevice(evt);
var windowsPoint = GetPosition(evt, view);
var skPoint = scalePixels(windowsPoint.X, windowsPoint.Y);
var inContact = GetContact(evt);
var wheelDelta = evt is MouseWheelEventArgs wheelEvt ? wheelEvt.Delta : 0;
var args = new SKTouchEventArgs(id, action, mouse, device, skPoint, inContact, wheelDelta);
onTouchAction(args);
return(args.Handled);
}
private bool CommonHandler(object sender, SKTouchAction touchActionType, PointerRoutedEventArgs evt)
{
if (onTouchAction == null || scalePixels == null)
{
return(false);
}
var view = sender as FrameworkElement;
var id = evt.Pointer.PointerId;
var pointerPoint = evt.GetCurrentPoint(view);
var windowsPoint = pointerPoint.Position;
var skPoint = scalePixels(windowsPoint.X, windowsPoint.Y);
var mouse = GetMouseButton(pointerPoint);
var device = GetTouchDevice(evt);
var wheelDelta = pointerPoint?.Properties?.MouseWheelDelta ?? 0;
var args = new SKTouchEventArgs(id, touchActionType, mouse, device, skPoint, evt.Pointer.IsInContact, wheelDelta);
onTouchAction(args);
return(args.Handled);
}
public SKTouchEventArgs(long id,
SKTouchAction type,
SKPoint location,
bool inContact)
: this(id, type, SKMouseButton.Left, SKTouchDeviceType.Touch, location, inContact)
{
}
private void RaiseTouch(object sender, MouseEventArgs e, SKTouchAction action)
{
var view = sender as FrameworkElement;
var pointerPoint = e.MouseDevice.GetPosition(view);
var skPoint = GetScaledCoord(pointerPoint.X, pointerPoint.Y);
var args = new SKTouchEventArgs(e.Timestamp, action, SKMouseButton.Left, SKTouchDeviceType.Mouse, skPoint, true);
((ISKCanvasViewController)Element).OnTouch(args);
}
public SKTouchEventArgs(long id, SKTouchAction type, SKMouseButton mouseButton, SKTouchDeviceType deviceType, SKPoint location, bool inContact)
{
Id = id;
ActionType = type;
DeviceType = deviceType;
MouseButton = mouseButton;
Location = location;
InContact = inContact;
}
public SKTouchEventArgs(long id, SKTouchAction type, SKMouseButton mouseButton, SKTouchDeviceType deviceType, SKPoint location, bool inContact, int wheelDelta, float pressure)
{
Id = id;
ActionType = type;
DeviceType = deviceType;
MouseButton = mouseButton;
Location = location;
InContact = inContact;
WheelDelta = wheelDelta;
Pressure = pressure;
}
private void RaiseTouch(object sender, PointerRoutedEventArgs e, SKTouchAction action)
{
var pointerPoint = e.GetCurrentPoint(Control);
//var windowsPoint = view.PointToScreen(pointerPoint);
var skPoint = Element.IgnorePixelScaling
? new SKPoint((float)pointerPoint.Position.X, (float)pointerPoint.Position.Y)
: new SKPoint((float)(pointerPoint.Position.X * Control.Dpi), (float)(pointerPoint.Position.Y * Control.Dpi));
var args = new SKTouchEventArgs(e.Pointer.PointerId, action, SKMouseButton.Left, SKTouchDeviceType.Mouse, skPoint, true);
((ISKCanvasViewController)Element).OnTouch(args);
}
private void RaiseTouch(object sender, PointerRoutedEventArgs e, SKTouchAction action)
{
var pointerPoint = e.GetCurrentPoint(Control);
var scaleX = Control.CanvasSize.Width / Control.Width;
var scaleY = Control.CanvasSize.Height / Control.Height;
//var windowsPoint = view.PointToScreen(pointerPoint);
var skPoint = true
? new SKPoint((float)pointerPoint.Position.X, (float)pointerPoint.Position.Y)
: new SKPoint((float)(pointerPoint.Position.X * scaleX), (float)(pointerPoint.Position.Y * scaleY));
var args = new SKTouchEventArgs(e.Pointer.PointerId, action, SKMouseButton.Left, SKTouchDeviceType.Mouse, skPoint, true);
((SKGLScrollView)Element).RaiseTouch(args);
}
private void PostEvent(SKTouchAction action)
{
if (handler.onTouchAction == null || handler.scalePixels == null)
{
return;
}
var p = handler.gestureLayer.EvasCanvas.Pointer;
var coords = handler.scalePixels(p.X, p.Y);
var inContact = (action == SKTouchAction.Pressed || action == SKTouchAction.Moved) ? true : false;
handler.onTouchAction(new SKTouchEventArgs(currentId, action, coords, inContact));
}
private bool FireEvent(SKTouchAction actionType, UITouch touch, bool inContact)
{
if (onTouchAction == null || scalePixels == null)
{
return(false);
}
var id = touch.Handle.ToInt64();
var cgPoint = touch.LocationInView(View);
var point = new SKPoint((float)scalePixels(cgPoint.X), (float)scalePixels(cgPoint.Y));
var args = new SKTouchEventArgs(id, actionType, point, inContact);
onTouchAction(args);
return(args.Handled);
}
private bool FireEvent(SKTouchAction actionType, SKMouseButton mouse, SKTouchDeviceType device, NSEvent mouseEvent, bool inContact)
{
if (onTouchAction == null || scalePixels == null)
{
return(false);
}
var id = mouseEvent.ButtonNumber;
var cgPoint = LocationInView(View);
// flip the Y coordinate for macOS
cgPoint.Y = View.Bounds.Height - cgPoint.Y;
var point = new SKPoint((float)scalePixels(cgPoint.X), (float)scalePixels(cgPoint.Y));
var args = new SKTouchEventArgs(id, actionType, mouse, device, point, inContact);
onTouchAction(args);
return(args.Handled);
}
private bool CommonHandler(object sender, SKTouchAction touchActionType, MouseEventArgs evt)
{
if (onTouchAction == null || scalePixels == null)
{
return(false);
}
var view = sender as Control;
var id = 0L; // evt.Pointer.PointerId;
var windowsPoint = evt.Location;
var skPoint = new SKPoint((float)windowsPoint.X, (float)windowsPoint.Y);
var mouse = GetMouseButton(evt.Button);
var device = SKTouchDeviceType.Mouse; // GetTouchDevice(evt);
var args = new SKTouchEventArgs(id, touchActionType, mouse, device, skPoint, false /*evt.Pointer.IsInContact*/);
onTouchAction(args);
return(args.Handled);
}
// processing
private bool CommonHandler(object sender, SKTouchAction touchActionType, InputEventArgs evt)
{
if (onTouchAction == null || scalePixels == null)
{
return(false);
}
var view = sender as FrameworkElement;
var id = GetId(evt);
var action = GetTouchAction(touchActionType, view, evt);
var mouse = GetMouseButton(evt);
var device = GetTouchDevice(evt);
var windowsPoint = GetPosition(evt, view);
var skPoint = scalePixels(windowsPoint.X, windowsPoint.Y);
var inContact = GetContact(evt);
var args = new SKTouchEventArgs(id, action, mouse, device, skPoint, inContact);
onTouchAction(args);
return(args.Handled);
}
// processing
private bool CommonHandler(object sender, SKTouchAction touchActionType, MouseEventArgs evt)
{
if (onTouchAction == null || scalePixels == null)
{
return(false);
}
var view = sender as Control;
var id = 1;
var action = touchActionType;
var mouse = GetMouseButton(evt);
var device = SKTouchDeviceType.Mouse;
var windowsPoint = evt.Location;
var skPoint = scalePixels(windowsPoint.X, windowsPoint.Y);
var inContact = GetContact(evt);
var args = new SKTouchEventArgs(id, action, mouse, device, skPoint, inContact);
onTouchAction(args);
return(args.Handled);
}
private SKTouchAction GetTouchAction(SKTouchAction touchActionType, FrameworkElement view, InputEventArgs evt)
{
if (evt is TouchEventArgs touchEvent)
{
var action = touchEvent.GetTouchPoint(view).Action;
switch (action)
{
case TouchAction.Down:
touchActionType = SKTouchAction.Pressed;
break;
case TouchAction.Move:
touchActionType = SKTouchAction.Moved;
break;
case TouchAction.Up:
touchActionType = SKTouchAction.Released;
break;
}
}
return(touchActionType);
}
// processing
private bool CommonHandler(object sender, SKTouchAction touchActionType, Event evt)
{
if (onTouchAction == null || scalePixels == null)
{
return(false);
}
var view = sender as Widget;
var id = GetId(evt);
var action = touchActionType;
var mouse = GetMouseButton(evt);
var device = GetTouchDevice(evt);
var windowsPoint = GetPosition(evt);
var skPoint = scalePixels(windowsPoint.X, windowsPoint.Y);
var inContact = GetContact(evt);
var wheelDelta = GetWheelDelta(evt);
var args = new SKTouchEventArgs(id, action, mouse, device, skPoint, inContact, wheelDelta);
onTouchAction(args);
return(args.Handled);
}
public SKTouchEventArgs(long id, SKTouchAction type, SKMouseButton mouseButton, SKTouchDeviceType deviceType, SKPoint location, bool inContact)
: this(id, type, mouseButton, deviceType, location, inContact, 0)
{
}
public TouchPoint()
{
x = y = 0; type = SKTouchAction.Cancelled;
}
public TouchPoint(int x, int y, SKTouchAction type)
{
this.x = x;
this.y = y;
this.type = type;
}
public ElementTouchEventArgs(DrawableElement element, SKTouchAction type)
{
Element = element;
Type = type;
}
public void SimulateSkTouchAction(SKTouchAction action, float x, float y)
{
HandleTouch(this, new SKTouchEventArgs(0, action, new SKPoint(x, y), inContact: true));
}
