static RulerControl()
{
DefaultStyleKeyProperty.OverrideMetadata(typeof(RulerControl), new FrameworkPropertyMetadata(typeof(RulerControl)));
short_line = new RulerLine(390f, Brushes.Gray, 0.5f);
middle_line = new RulerLine(0.5f, Brushes.Black, 0.1f);
long_line = new RulerLine(390f, Brushes.Black, 1.4f);
}
public IEnumerator <object> Task()
{
while (true)
{
if (ProjectUserPreferences.Instance.RulerVisible &&
!Document.Current.ExpositionMode &&
!Document.Current.PreviewAnimation &&
sceneView.Frame.ParentWidget.IsMouseOverThisOrDescendant()
)
{
RulerLine line;
bool lineCaptured;
var hulls = Document.Current.Container.Nodes.OfType <Widget>().Editable()
.Select(w => w.CalcHullInSpaceOf(container)).ToList();
if (lineCaptured = SceneView.Instance.Components.Contains <CreateLineRequestComponent>())
{
var comp = SceneView.Instance.Components.Get <CreateLineRequestComponent>();
line = new RulerLine(Vector2.Zero, comp.Orientation);
SnapLineToNearestPoint(line, hulls);
if (IsRulerContainLine(line.Value, line.RulerOrientation))
{
line = GetLineUnderMouse();
}
SceneView.Instance.Components.Remove <CreateLineRequestComponent>();
}
else
{
line = GetLineUnderMouse();
}
if (line != null)
{
Utils.ChangeCursorIfDefault(line.RulerOrientation == RulerOrientation.Horizontal ? MouseCursor.SizeNS : MouseCursor.SizeWE);
if (sceneView.Input.ConsumeKeyPress(Key.Mouse0) || lineCaptured)
{
SceneView.Instance.Components.GetOrAdd <LineSelectionComponent>().Line = line;
Window.Current.Invalidate();
Ruler.Lines.Remove(line);
while (Window.Current.Input.IsMousePressed())
{
SnapLineToNearestPoint(line, hulls);
yield return(null);
}
Ruler.Lines.Add(line);
Window.Current.Invalidate();
SceneView.Instance.Components.Remove <LineSelectionComponent>();
}
else if (Window.Current.Input.WasMouseReleased(1))
{
ProjectUserPreferences.Instance.ActiveRuler.Lines.Remove(line);
Window.Current.Invalidate();
}
}
}
yield return(null);
}
}
private static Vector2 LineToVector(RulerLine line, bool anchorToRoot)
{
var mask = line.RulerOrientation == RulerOrientation.Vertical ? Vector2.Right : Vector2.Down;
if (anchorToRoot)
{
return(line.GetClosestPointToOrigin() + Document.Current.RootNode.AsWidget.Size * mask / 2);
}
return(line.GetClosestPointToOrigin());
}
private static Vector2 SnapPointToLine(Vector2 point, RulerLine line)
{
if (line != null)
{
var t = Document.Current.Container.AsWidget.CalcTransitionToSpaceOf(Document.Current.RootNode.AsWidget);
var mask = line.IsVertical ? Vector2.Right : Vector2.Down;
return((point * t * (Vector2.One - mask) +
(line.ToVector2() + Document.Current.RootNode.AsWidget.Size * mask / 2)) * t.CalcInversed());
}
return(point);
}
private static void SnapLineToNearestPoint(RulerLine line, IEnumerable <Quadrangle> hulls)
{
var step = 1f;
var mousePos = container.LocalMousePosition();
if (!sceneView.Input.IsKeyPressed(Key.Shift))
{
step = (float)Math.Truncate(RulersWidget.CalculateEffectiveStep()) / RulersWidget.Tesselation;
}
var curValue = new Vector2(Utils.RoundTo(mousePos.X, step), Utils.RoundTo(mousePos.Y, step));
if (SceneViewCommands.SnapRulerLinesToWidgets.Checked)
{
var mask = line.RulerOrientation.GetDirection();
foreach (var hull in hulls)
{
for (int i = 0; i < 4; i++)
{
if (((hull[i] - mousePos) * mask).Length < ((mousePos - curValue) * mask).Length &&
!IsRulerContainLine(line.RulerOrientation.GetComponentFor(hull[i]), line.RulerOrientation)
)
{
line.MakePassingThroughPoint(hull[i]);
Window.Current.Invalidate();
return;
}
}
}
}
if (!IsRulerContainLine(line.RulerOrientation.GetComponentFor(curValue), line.RulerOrientation))
{
line.MakePassingThroughPoint(curValue);
Window.Current.Invalidate();
}
}
protected CreateRuler(Ruler ruler, RulerLine rulerLine)
{
this.ruler = ruler;
this.rulerLine = rulerLine;
}
public static void Perform(Ruler ruler, RulerLine rulerLine)
{
DocumentHistory.Current.Perform(new CreateRuler(ruler, rulerLine));
}
protected DeleteRuler(Ruler ruler, RulerLine rulerLine)
{
this.ruler = ruler;
this.rulerLine = rulerLine;
}
public IEnumerator <object> Task()
{
while (true)
{
if (ProjectUserPreferences.Instance.RulerVisible &&
!Document.Current.PreviewScene &&
sceneView.Frame.ParentWidget.IsMouseOverThisOrDescendant()
)
{
RulerLine line;
bool lineCaptured;
Func <bool> isHovered = null;
var hulls = Document.Current.Container.Nodes.OfType <Widget>().Editable()
.Select(w => w.CalcHullInSpaceOf(container)).ToList();
if (lineCaptured = SceneView.Instance.Components.Contains <CreateLineRequestComponent>())
{
var comp = SceneView.Instance.Components.Get <CreateLineRequestComponent>();
line = new RulerLine(Vector2.Zero, comp.Orientation);
isHovered = comp.IsHovered;
SnapLineToNearestPoint(line, hulls);
if (IsRulerContainLine(line.Value, line.RulerOrientation))
{
line = GetLineUnderMouse();
}
SceneView.Instance.Components.Remove <CreateLineRequestComponent>();
}
else
{
line = GetLineUnderMouse();
}
if (line != null)
{
Utils.ChangeCursorIfDefault(line.RulerOrientation == RulerOrientation.Horizontal ? MouseCursor.SizeNS : MouseCursor.SizeWE);
if (sceneView.Input.ConsumeKeyPress(Key.Mouse0) || lineCaptured)
{
Window.Current.Invalidate();
using (Document.Current.History.BeginTransaction()) {
if (Ruler.ContainsLine(line))
{
Core.Operations.DeleteRuler.Perform(Ruler, line = line.Clone());
}
line = line.Clone();
SceneView.Instance.Components.GetOrAdd <LineSelectionComponent>().Line = line;
while (Window.Current.Input.IsMousePressed())
{
SnapLineToNearestPoint(line, hulls);
yield return(null);
}
if (isHovered == null || !isHovered())
{
Core.Operations.CreateRuler.Perform(ProjectUserPreferences.Instance.ActiveRuler, line = line.Clone());
Document.Current.History.CommitTransaction();
}
}
Window.Current.Invalidate();
SceneView.Instance.Components.Remove <LineSelectionComponent>();
}
else if (Window.Current.Input.WasMouseReleased(1))
{
using (Document.Current.History.BeginTransaction()) {
Core.Operations.DeleteRuler.Perform(ProjectUserPreferences.Instance.ActiveRuler, line);
Document.Current.History.CommitTransaction();
}
Window.Current.Invalidate();
}
}
}
yield return(null);
}
}
