/// <summary>
/// 获取当前鼠标位于屏幕的位置
/// </summary>
/// <returns></returns>
public static Point GetMouseScreenLocation()
{
var p = new TempPoint();
if (GetCursorPos(out p))
{
return(ConvertToPoint(p));
}
return(new Point(0, 0));
}
protected override void MouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
if (TempPoint != null)
{
TempPoint.MoveTo(Coordinates(e));
TempPoint.RecalculateAllDependents();
}
Drawing.RaiseConstructionFeedback(new Drawing.ConstructionFeedbackEventArgs()
{
FigureTypeNeeded = ExpectedDependency,
IsMouseButtonDown = IsMouseButtonDown
});
}
private void MouseMove(Point pt)
{
Point logPt = ToLogical(pt);
if (TempPoint != null)
{
TempPoint.MoveTo(logPt);
TempPoint.RecalculateAllDependents();
}
Drawing.RaiseConstructionFeedback(new Drawing.ConstructionFeedbackEventArgs()
{
FigureTypeNeeded = ExpectedDependency,
IsMouseButtonDown = IsMouseButtonDown
});
}
/// <summary>
/// Assumes coordinates are logical already
/// </summary>
/// <param name="coordinates">Logical coordinates of the click point</param>
protected virtual void Click(System.Windows.Point coordinates)
{
IFigure underMouse = null;
Type expectedType = ExpectedDependency;
if (TempPoint != null)
{
underMouse = Drawing.Figures.HitTest(
coordinates,
typeof(IPoint));
}
else if (expectedType != null)
{
underMouse = Drawing.Figures.HitTest(coordinates, expectedType);
}
else
{
underMouse = Drawing.Figures.HitTest(coordinates);
}
if (underMouse != null &&
underMouse != TempPoint &&
((FoundDependencies.Contains(underMouse) && !CanReuseDependency()) ||
underMouse == TempResult))
{
return;
}
if (ExpectingAPoint())
{
if (underMouse == null)
{
underMouse = CreatePointAtCurrentPosition(coordinates, true);
}
}
RemoveIntermediateFigureIfNecessary();
if (TempPoint != null)
{
if (underMouse == TempPoint || underMouse == TempResult || underMouse == null)
{
underMouse = CreatePointAtCurrentPosition(coordinates, true);
}
TempPoint.SubstituteWith(underMouse);
FoundDependencies.Remove(TempPoint);
Drawing.Figures.Remove(TempPoint);
TempPoint = null;
}
if (ExpectedDependency != null)
{
AddFoundDependency(underMouse);
}
if (ExpectedDependency != null)
{
if (ExpectingAPoint())
{
TempPoint = CreateTempPoint(coordinates);
AddFoundDependency(TempPoint);
if (ExpectedDependency == null)
{
CreateAndAddFigure();
}
}
AddIntermediateFigureIfNecessary();
AdvertiseNextDependency();
}
else
{
Finish();
}
Drawing.Figures.CheckConsistency();
}
/// <summary>
/// Assumes coordinates are logical already
/// </summary>
/// <param name="coordinates">Logical coordinates of the click point</param>
protected virtual void Click(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
System.Windows.Point coordinates = Coordinates(e);
IFigure underMouse = null;
Type expectedType = ExpectedDependency;
if (TempPoint != null)
{
underMouse = Drawing.Figures.HitTest(
coordinates,
typeof(IPoint));
}
else if (expectedType != null)
{
underMouse = Drawing.Figures.HitTest(coordinates, expectedType);
}
else
{
underMouse = Drawing.Figures.HitTest(coordinates);
}
if (underMouse != null &&
underMouse != TempPoint &&
((FoundDependencies.Contains(underMouse) && !CanReuseDependency()) ||
underMouse == TempResult))
{
return;
}
if (ExpectingAPoint())
{
if (underMouse == null)
{
//underMouse = CreatePointAtCurrentPosition(coordinates, true);
return;
}
else
{
// one branch only
if (underMouse is Webb.Playbook.Geometry.Game.PBPlayer && underMouse.Dependents.Count > 0)
{
return;
}
// at most two branch
if (underMouse is IPoint && underMouse.Dependents.Count > 1)
{
return;
}
}
}
RemoveIntermediateFigureIfNecessary();
if (TempPoint != null)
{
//if (underMouse == TempPoint || underMouse == TempResult || underMouse == null)
//{
underMouse = CreatePointAtCurrentPosition(coordinates, true);
//}
TempPoint.SubstituteWith(underMouse);
FoundDependencies.Remove(TempPoint);
Drawing.Figures.Remove(TempPoint);
TempPoint = null;
}
if (ExpectedDependency != null)
{
AddFoundDependency(underMouse);
}
if (ExpectedDependency != null)
{
if (ExpectingAPoint())
{
TempPoint = CreateTempPoint(coordinates);
AddFoundDependency(TempPoint);
if (ExpectedDependency == null)
{
CreateAndAddFigure();
}
}
AddIntermediateFigureIfNecessary();
AdvertiseNextDependency();
}
else
{
Finish();
//07-22-2009 scott
if (IsMouseButtonDown)
{// click mode
IFigure endFigure = Drawing.Figures.HitTest(coordinates, typeof(Webb.Playbook.Geometry.Game.PBPlayer));
if (endFigure is Webb.Playbook.Geometry.Game.PBPlayer)
{
Drawing.ActionManager.Undo();
}
else
{
MouseLeftButtonDown(sender, e as System.Windows.Input.MouseButtonEventArgs);
}
}
else
{// drag mode
}
}
Drawing.Figures.CheckConsistency();
}
static Point ConvertToPoint(TempPoint tp)
{
return(new Point(tp.X, tp.Y));
}
private static extern bool GetCursorPos(out TempPoint lpPoint);
protected virtual void AddDependency(Point coordinates)
{
IFigure underMouse = null;
if (GetExpectedDependencyType() != null)
{
// MouseDownUnconstrainedCoordinates used here to properly find the figure under the mouse.
underMouse = LookForExpectedDependencyUnderCursor(ClickedUnconstrainedCoordinates);
if (underMouse != null && FoundDependencies.Contains(underMouse) && !CanReuseDependency)
{
return;
}
if (underMouse == null && ExpectingAPoint())
{
underMouse = CreatePointAtCurrentPosition(coordinates);
}
else if (ExpectingAPoint() && !usePointsUnderMouse)
{
var pointUnderMouse = underMouse as IPoint;
var freePoint = CreatePointAtCurrentPosition(coordinates);
if (pointUnderMouse != null)
{
freePoint.Coordinates = pointUnderMouse.Coordinates;
}
underMouse = freePoint;
}
}
Drawing.RaiseConstructionStepStarted();
RemoveIntermediateFigureIfNecessary();
RemoveTempResultsIfNecessary();
if (TempPoint != null)
{
if (underMouse == null)
{
throw new NullReferenceException("How come underMouse is null at this point?");
}
TempPoint.SubstituteWith(underMouse);
RemoveTempPointIfNecessary();
}
if (GetExpectedDependencyType() != null)
{
AddFoundDependency(underMouse);
}
if (GetExpectedDependencyType() != null)
{
if (ExpectingAPoint())
{
CreateTempPoint(coordinates);
if (CanCreateTempResults())
{
CreateTempResults();
}
else
{
AddIntermediateFigureIfNecessary();
}
}
AdvertiseNextDependency();
}
else
{
AddFiguresAndRestart();
}
Drawing.Figures.CheckConsistency();
}