public Reposition(DragInfo dragInfo, MouseEvt me, bool axisLock)
{
double tx = me.Pt.X - dragInfo.Me.Pt.X;
double ty = me.Pt.Y - dragInfo.Me.Pt.Y;
if (axisLock)
{
if (Math.Abs(tx) < Math.Abs(ty))
{
tx = 0;
}
else
{
ty = 0;
}
}
this.output = new Lazy<Tuple<Polygon, Point>>(() => Tuple.Create(dragInfo.Me.Element.Polygon, new Point(dragInfo.OriginalLeft + tx, dragInfo.OriginalTop + ty)));
}
public Reposition(DragInfo dragInfo, MouseEvt me, bool axisLock)
{
double tx = me.Pt.X - dragInfo.Me.Pt.X;
double ty = me.Pt.Y - dragInfo.Me.Pt.Y;
if (axisLock)
{
if (Math.Abs(tx) < Math.Abs(ty))
{
tx = 0;
}
else
{
ty = 0;
}
}
this.output = new Lazy <Tuple <Polygon, Point> >(() => Tuple.Create(dragInfo.Me.Element.Polygon, new Point(dragInfo.OriginalLeft + tx, dragInfo.OriginalTop + ty)));
}
public void HandleMouseUp(MouseEvt me)
{
this.dragInfo.Reset();
}
public void HandleMouseMove(MouseEvt me)
{
this.lastMe = Maybe.Just(me);
this.Reposition();
}
protected EvtBase(MouseEvt me)
{
this.Me = me;
}
public Actor(Action <string> addMessage, Dispatcher dispatcher)
{
this.addMessage = addMessage;
BlockingCollection <Reposition> @out = new BlockingCollection <Reposition>(1);
Task.Run(() =>
{
try
{
while (true)
{
this.cts.Token.ThrowIfCancellationRequested();
bool axisLock = false;
DragInfo dragInfo;
while (true)
{
this.cts.Token.ThrowIfCancellationRequested();
object e = [email protected](this.cts.Token);
EvtDown me = e as EvtDown;
ShiftEvt se = e as ShiftEvt;
if (me != null)
{
dragInfo = dispatcher.Invoke(() => new DragInfo(me.Me, Canvas.GetLeft(me.Me.Element.Polygon).ZeroIfNaN(), Canvas.GetTop(me.Me.Element.Polygon).ZeroIfNaN()));
break;
}
if (se != null)
{
axisLock = se.IsDown;
}
}
dispatcher.Invoke(() => this.addMessage("actor dragging " + dragInfo.Me.Element.Name));
MouseEvt lastMe = dragInfo.Me;
while (true)
{
this.cts.Token.ThrowIfCancellationRequested();
object me = [email protected](this.cts.Token);
EvtUp meUp = me as EvtUp;
EvtMove meMove = me as EvtMove;
ShiftEvt se = me as ShiftEvt;
if (meUp != null)
{
break;
}
if (meMove != null)
{
lastMe = meMove.Me;
@out.Add(new Reposition(dragInfo, lastMe, axisLock), this.cts.Token);
}
else if (se != null)
{
axisLock = se.IsDown;
@out.Add(new Reposition(dragInfo, lastMe, axisLock), this.cts.Token);
}
}
}
}
catch (OperationCanceledException)
{
}
});
Task.Run(() =>
{
try
{
while (true)
{
this.cts.Token.ThrowIfCancellationRequested();
Reposition r = @out.Take(this.cts.Token);
dispatcher.Invoke(() =>
{
Canvas.SetLeft(r.Polygon, r.Left);
Canvas.SetTop(r.Polygon, r.Top);
});
}
}
catch (OperationCanceledException)
{
}
});
}
public EvtUp(MouseEvt me)
: base(me)
{
}
protected EvtBase(MouseEvt me)
{
this.Me = me;
}
public void HandleMouseMove(MouseEvt me)
{
this.lastMe = Maybe.Just(me);
this.Reposition();
}
public void HandleMouseUp(MouseEvt me) => this.sMouseUp.Send(me);
public void HandleMouseUp(MouseEvt me)
{
this.dragInfo = Maybe.None;
}
public void HandleMouseMove(MouseEvt me) => this.sMouseMove.Send(me);
public EvtUp(MouseEvt me)
: base(me)
{
}
public EvtMove(MouseEvt me)
: base(me)
{
}
public void HandleMouseMove(MouseEvt me) => this.sMouseMove.Send(me);
public void HandleMouseUp(MouseEvt me)
{
Task.Run(() => [email protected](new EvtUp(me), this.cts.Token));
}
public void HandleMouseUp(MouseEvt me) => this.sMouseUp.Send(me);
public EvtMove(MouseEvt me)
: base(me)
{
}
public void HandleMouseUp(MouseEvt me)
{
this.dragInfo.Reset();
}
public void HandleMouseUp(MouseEvt me)
{
Task.Run(() => [email protected](new EvtUp(me), this.cts.Token));
}