From dbe64f1bcf768c02ca62314559b5657197b7453c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jean-Philippe=20Bruy=C3=A8re?= <jp_bruyere@hotmail.com>
Date: Sun, 4 Mar 2018 12:33:20 +0100
Subject: [PATCH] clear Slot when parent change in go, docker wip

---
 Default.style                       |  4 ++--
 src/GraphicObjects/DockStack.cs     | 14 ++++++++++----
 src/GraphicObjects/DockWindow.cs    |  2 +-
 src/GraphicObjects/Docker.cs        | 10 +++++-----
 src/GraphicObjects/GenericStack.cs  |  4 +---
 src/GraphicObjects/GraphicObject.cs |  1 +
 src/Interface.cs                    |  2 +-
 7 files changed, 21 insertions(+), 16 deletions(-)

diff --git a/Default.style b/Default.style
index 3c260b5c..70278cc9 100644
--- a/Default.style
+++ b/Default.style
@@ -73,8 +73,8 @@ Slider {
 }
 Splitter {
 	Focusable = "true";
-	Margin = "1";
-	Background = "White";
+	Margin = "2";
+	Background = "Gray";
 }
 Spinner {
 	Foreground = "DimGray";
diff --git a/src/GraphicObjects/DockStack.cs b/src/GraphicObjects/DockStack.cs
index 29ebe0ec..4800c0aa 100644
--- a/src/GraphicObjects/DockStack.cs
+++ b/src/GraphicObjects/DockStack.cs
@@ -184,15 +184,21 @@ namespace Crow
 				return;
 			DockStack dsp = Parent as DockStack;
 			if (dsp == null) {
-				SubStack = null;
 				RemoveChild (0);
+				if (SubStack is DockStack) {
+					Docker dk = Parent as Docker;
+					dk.RemoveChild (this);
+					dk.InsertChild (0, SubStack);
+					dk.SubStack = SubStack as DockStack;
+				}
+				SubStack = null;
 				return;
 			}
 			GraphicObject g = Children [0];
 			RemoveChild (g);
 			int i = dsp.Children.IndexOf (this);
 			dsp.RemoveChild (this);
-			dsp.AddChild (g);
+			dsp.InsertChild (i, g);
 			dsp.SubStack = g;
 //			if (SubStack is DockStack) {
 //
@@ -267,7 +273,7 @@ namespace Crow
 					activeStack.AddChild (activeStack.SubStack);
 				} else {
 					activeStack.InsertChild (0, dw);
-					activeStack.InsertChild (0, splitter);
+					activeStack.InsertChild (1, splitter);
 				}
 				break;
 			case Alignment.Right:
@@ -291,7 +297,7 @@ namespace Crow
 				return;
 			instStack = IFace.CreateITorFromIMLFragment (@"<DockStack/>");
 			instSplit = IFace.CreateITorFromIMLFragment (@"<Splitter/>");
-			instSpacer = IFace.CreateITorFromIMLFragment (@"<GraphicObject Background='Jet' IsEnabled='false'/>");
+			instSpacer = IFace.CreateITorFromIMLFragment (@"<GraphicObject Background='DarkCyan' IsEnabled='false'/>");
 		}
 
 	}
diff --git a/src/GraphicObjects/DockWindow.cs b/src/GraphicObjects/DockWindow.cs
index 4c71c92d..7924588e 100644
--- a/src/GraphicObjects/DockWindow.cs
+++ b/src/GraphicObjects/DockWindow.cs
@@ -35,7 +35,7 @@ namespace Crow
 		}
 		#endregion
 
-		int undockThreshold = 10;
+		int undockThreshold = 4;
 		bool isDocked = false;
 		Alignment docking = Alignment.Center;
 
diff --git a/src/GraphicObjects/Docker.cs b/src/GraphicObjects/Docker.cs
index dfd386aa..f61269d3 100644
--- a/src/GraphicObjects/Docker.cs
+++ b/src/GraphicObjects/Docker.cs
@@ -43,7 +43,7 @@ namespace Crow
 		#endregion
 
 		//GenericStack rootStack = null;
-		DockStack stack = null;
+		public DockStack SubStack = null;
 		int dockingThreshold;
 
 		List<DockWindow> windows = new List<DockWindow>();
@@ -77,10 +77,10 @@ namespace Crow
 				DockWindow dw = IFace.DragAndDropOperation.DragSource as DockWindow;
 				if (!dw.IsDocked)
 					dw.MoveAndResize (e.XDelta, e.YDelta);
-				if (stack == null) {				
-					stack = new DockStack (IFace);
-					InsertChild (0, stack);
-					stack.LogicalParent = this;
+				if (SubStack == null) {				
+					SubStack = new DockStack (IFace);
+					InsertChild (0, SubStack);
+					SubStack.LogicalParent = this;
 				}
 			}
 			base.onMouseMove (sender, e);
diff --git a/src/GraphicObjects/GenericStack.cs b/src/GraphicObjects/GenericStack.cs
index 2df681e4..0dbaedd1 100644
--- a/src/GraphicObjects/GenericStack.cs
+++ b/src/GraphicObjects/GenericStack.cs
@@ -235,6 +235,7 @@ namespace Crow
 			base.RemoveChild (child);
 			if (child == stretchedGO) {
 				stretchedGO = null;
+				RegisterForLayouting (LayoutingType.Sizing);
 				return;
 			}
 			if (Orientation == Orientation.Horizontal) {
@@ -244,9 +245,6 @@ namespace Crow
 				contentSize.Height -= child.LastSlots.Height;
 				adjustStretchedGo (LayoutingType.Height);
 			}
-
-
-//			RegisterForLayouting (LayoutingType.ArrangeChildren);
 		}
 	}
 }
diff --git a/src/GraphicObjects/GraphicObject.cs b/src/GraphicObjects/GraphicObject.cs
index db49832e..a70f04a1 100644
--- a/src/GraphicObjects/GraphicObject.cs
+++ b/src/GraphicObjects/GraphicObject.cs
@@ -340,6 +340,7 @@ namespace Crow
 
 				parentRWLock.EnterWriteLock();
 				parent = value;
+				Slot = default(Rectangle);
 				parentRWLock.ExitWriteLock();
 									
 				onParentChanged (this, e);
diff --git a/src/Interface.cs b/src/Interface.cs
index 4b780731..ceeb2aa8 100644
--- a/src/Interface.cs
+++ b/src/Interface.cs
@@ -469,7 +469,7 @@ namespace Crow
 				{
 					_hoverWidget.IsHover = true;
 					#if DEBUG_FOCUS
-					Debug.WriteLine("Hover => " + _activeWidget.ToString());
+					Debug.WriteLine("Hover => " + _hoverWidget.ToString());
 					}else
 					Debug.WriteLine("Hover => null");
 					#else
-- 
2.47.3