From 13698c71260a0022f7f863322b0cea4b9cd6c271 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Jean-Philippe=20Bruy=C3=A8re?= <jp_bruyere@hotmail.com>
Date: Mon, 15 Jun 2020 12:25:50 +0200
Subject: [PATCH] force measure in containers

---
 Crow/Default.style                            | 22 ++++---
 Crow/Templates/FileDialog.template            | 10 +--
 Crow/Templates/MenuItem.template              |  2 +-
 Crow/src/2d/Measure.cs                        |  3 +
 Crow/src/Widgets/CheckBox.cs                  |  1 -
 Crow/src/Widgets/GenericStack.cs              |  6 +-
 Crow/src/Widgets/Group.cs                     | 11 +++-
 Crow/src/Widgets/PrivateContainer.cs          | 45 ++++++++++----
 Crow/src/Widgets/Widget.cs                    | 21 ++++++-
 Crow/src/Widgets/Wrapper.cs                   |  9 ++-
 Crow/src/debug/DbgEventTypeColors.cs          |  2 +-
 Crow/src/debug/DbgLogViewer.cs                | 61 ++++++-------------
 Crow/src/debug/DebugLogger.cs                 | 27 +-------
 .../ui/Interfaces/Stack/StretchedInFit2.crow  | 15 +++++
 .../ui/Interfaces/Stack/StretchedInFit3.crow  | 15 +++++
 .../ui/Interfaces/Stack/StretchedInFit4.crow  | 12 ++++
 .../ui/Interfaces/Stack/StretchedInFit5.crow  | 16 +++++
 17 files changed, 168 insertions(+), 110 deletions(-)
 create mode 100644 Samples/common/ui/Interfaces/Stack/StretchedInFit2.crow
 create mode 100644 Samples/common/ui/Interfaces/Stack/StretchedInFit3.crow
 create mode 100644 Samples/common/ui/Interfaces/Stack/StretchedInFit4.crow
 create mode 100644 Samples/common/ui/Interfaces/Stack/StretchedInFit5.crow

diff --git a/Crow/Default.style b/Crow/Default.style
index 3d5c3e7f..8bc81ea6 100644
--- a/Crow/Default.style
+++ b/Crow/Default.style
@@ -10,12 +10,14 @@ IconSize = "11";
 IconMargin = "1";
 ToggleIconSize = "16";
 
-WindowBackgroundColor = "";
+WindowBackgroundColor = "DarkGrey";
 WindowBorderColor = "Grey";
 WindowBorderWidth = "1";
-WindowTitleBarBackground = "vgradient|0:Onyx|1:SteelBlue";
+WindowTitleBarBackground = "vgradient|0:Onyx|1:RoyalBlue";
 WindowTitleBarForeground = "White";
 
+MenuBackground = "Jet";
+
 Button, CheckBox, RadioButton, ComboBox, Expandable,
 MessageBox, Popper, Slider, Spinner, TextBox {
 	Focusable = "true";
@@ -77,23 +79,25 @@ TextBox {
 	MouseCursor = "IBeam";
 }
 Menu {
-	Margin = "1";
-	Background = "vgradient|0:DimGrey|1:Black";
-	//Background = "Transparent";
+	Margin = "0";
+	Background = "${MenuBackground}";
 	Height = "Fit";
 	Width = "Stretched";
 	VerticalAlignment = "Top";
 	SelectionBackground = "${ControlHighlight}";
+	SelectionColoring = "false";
 }
 MenuItem {
 	Caption = "MenuItem";
 	Width = "Stretched";
 	Height = "Fit";
-	Background = "DimGrey";	
-	Foreground = "LightGrey";
+	Background = "${MenuBackground}";	
+	Foreground = "${ControlCaptionColor}";
 	MouseEnter = "{Background=${ControlHighlight}}";
-	MouseLeave = "{Background=Transparent}";
-	SelectionBackground = "${ControlHighlight}";
+	MouseLeave = "{Background=${MenuBackground}}";
+	//SelectionBackground = "${ControlHighlight}";
+	SelectionBackground = "Transparent";
+	SelectionColoring = "false";
 }
 MessageBox {
 	Background = "0.1,0.1,0.2,0.85";
diff --git a/Crow/Templates/FileDialog.template b/Crow/Templates/FileDialog.template
index 419e093a..5140aae7 100644
--- a/Crow/Templates/FileDialog.template
+++ b/Crow/Templates/FileDialog.template
@@ -1,14 +1,10 @@
 <?xml version="1.0"?>
-<Border BorderWidth="1" Foreground="White" CornerRadius="{./CornerRadius}"
-				Background="{./Background}"
-				MouseEnter="./onBorderMouseEnter"
-				MouseLeave="./onBorderMouseLeave">
+<Border Name="SizeHandle" Style="winBorder"  CornerRadius="{./CornerRadius}" Background="{./Background}">
 	<VerticalStack Spacing="0">
-		<HorizontalStack Background="{./TitleBarBackground}"
-				Name="hs" Margin="2" Spacing="0" Height="Fit">
+		<HorizontalStack Background="${WindowTitleBarBackground}" Margin="0" Spacing="0" Height="Fit">
 			<Widget Width="5"/>
 			<Image Margin="1" Width="12" Height="12" Path="{./Icon}"/>
-			<Label Width="Stretched" Foreground="{./TitleBarForeground}" Margin="1" TextAlignment="Center" Text="{./Caption}" />
+			<Label Name="MoveHandle" Width="Stretched" Foreground="${WindowTitleBarForeground" Margin="2" TextAlignment="Center" Text="{./Caption}" />
 			<Border CornerRadius="0" BorderWidth="1" Foreground="Transparent"  Height="12" Width="12"
 				MouseEnter="{Foreground=White}" MouseLeave="{Foreground=Transparent}">
 				<Image Focusable="true" Name="Image" Margin="0" Width="Stretched" Height="Stretched" Path="#Crow.Icons.exit2.svg"
diff --git a/Crow/Templates/MenuItem.template b/Crow/Templates/MenuItem.template
index b619a8b1..b4e119dc 100644
--- a/Crow/Templates/MenuItem.template
+++ b/Crow/Templates/MenuItem.template
@@ -17,7 +17,7 @@
 			</Template>		
 		</CheckBox>
 	</Template>
-	<Border Foreground="DimGrey" Width="{../PopWidth}" Height="{../PopHeight}" Background="vgradient|0:DimGrey|1:Black">
+	<Border Foreground="DimGrey" Width="{../PopWidth}" Height="{../PopHeight}" Background="${MenuBackground}">
 		<VerticalStack Name="ItemsContainer"/>
 	</Border>
 </Popper>
\ No newline at end of file
diff --git a/Crow/src/2d/Measure.cs b/Crow/src/2d/Measure.cs
index c77d66bd..18ab62ce 100644
--- a/Crow/src/2d/Measure.cs
+++ b/Crow/src/2d/Measure.cs
@@ -47,6 +47,9 @@ namespace Crow
 		/// </summary>
 		public bool IsFixed { get { return Units == Unit.Pixel; }}
 		public bool IsFit { get { return Value == -1 && Units == Unit.Percent; }}
+		/// <summary>
+		/// True if width is proportional to parent client rectangle
+		/// </summary>
 		public bool IsRelativeToParent { get { return Value >= 0 && Units == Unit.Percent; }}
 		#region Operators
 		public static implicit operator int(Measure m){
diff --git a/Crow/src/Widgets/CheckBox.cs b/Crow/src/Widgets/CheckBox.cs
index a5cd39d8..cd0297f7 100644
--- a/Crow/src/Widgets/CheckBox.cs
+++ b/Crow/src/Widgets/CheckBox.cs
@@ -46,7 +46,6 @@ namespace Crow
 		public override void onMouseClick (object sender, MouseButtonEventArgs e)
 		{
 			IsChecked = !IsChecked;
-			e.Handled = true;
 			base.onMouseClick (sender, e);
 		}
 	}
diff --git a/Crow/src/Widgets/GenericStack.cs b/Crow/src/Widgets/GenericStack.cs
index 1d2c0f6a..2fd86466 100644
--- a/Crow/src/Widgets/GenericStack.cs
+++ b/Crow/src/Widgets/GenericStack.cs
@@ -5,7 +5,7 @@
 using System;
 using System.ComponentModel;
 using System.Linq;
-
+using static Crow.Logger;
 namespace Crow {
 	/// <summary>
 	/// group container that stacked its children horizontally or vertically
@@ -118,7 +118,7 @@ namespace Crow {
 					stretchedGO.Slot.Width = newW;
 					stretchedGO.IsDirty = true;
 #if DEBUG_LAYOUTING
-				Debug.WriteLine ("\tAdjusting Width of " + stretchedGO.ToString());
+					LOG ($"width: {stretchedGO.ToString()}");
 #endif
 					stretchedGO.LayoutChanged -= OnChildLayoutChanges;
 					stretchedGO.OnLayoutChanges (LayoutingType.Width);
@@ -135,7 +135,7 @@ namespace Crow {
 					stretchedGO.Slot.Height = newH;
 					stretchedGO.IsDirty = true;
 #if DEBUG_LAYOUTING
-					Debug.WriteLine ("\tAdjusting Height of " + stretchedGO.ToString());
+					LOG ($"height: {stretchedGO.ToString ()}");
 #endif
 					stretchedGO.LayoutChanged -= OnChildLayoutChanges;
 					stretchedGO.OnLayoutChanges (LayoutingType.Height);
diff --git a/Crow/src/Widgets/Group.cs b/Crow/src/Widgets/Group.cs
index bba4bea9..6731d7be 100644
--- a/Crow/src/Widgets/Group.cs
+++ b/Crow/src/Widgets/Group.cs
@@ -8,6 +8,7 @@ using System.ComponentModel;
 using Crow.Cairo;
 using System.Threading;
 
+using static Crow.Logger;
 
 namespace Crow
 {
@@ -343,6 +344,10 @@ namespace Crow
 		{
 			Widget g = sender as Widget;
 
+#if DEBUG_LAYOUTING
+			LOG ($"{arg.LayoutType}:{g}->{g.Slot}");
+#endif
+
 			switch (arg.LayoutType) {
 			case LayoutingType.Width:
 				if (Width != Measure.Fit)
@@ -377,7 +382,7 @@ namespace Crow
 		void searchLargestChild (bool forceMeasure = false)
 		{
 			#if DEBUG_LAYOUTING
-			Debug.WriteLine("\tSearch largest child");
+			LOG (this.ToString());
 			#endif
 			largestChild = null;
 			contentSize.Width = 0;
@@ -398,9 +403,9 @@ namespace Crow
 			}
 		}
 		void searchTallestChild (bool forceMeasure = false)
-		{ 
+		{
 			#if DEBUG_LAYOUTING
-			Debug.WriteLine("\tSearch tallest child");
+			LOG (this.ToString());
 			#endif
 			tallestChild = null;
 			contentSize.Height = 0;
diff --git a/Crow/src/Widgets/PrivateContainer.cs b/Crow/src/Widgets/PrivateContainer.cs
index ee74784e..bd49c1b4 100644
--- a/Crow/src/Widgets/PrivateContainer.cs
+++ b/Crow/src/Widgets/PrivateContainer.cs
@@ -2,8 +2,9 @@
 //
 // This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
 
+using System;
 using Crow.Cairo;
-
+using static Crow.Logger;
 namespace Crow
 {
 	/// <summary>
@@ -92,18 +93,36 @@ namespace Crow
 			if (child.localDataSourceIsNull & child.localLogicalParentIsNull)
 				child.OnDataSourceChanged (child, e);
 		}
+
+		public override int measureRawSize (LayoutingType lt)
+		{
+			if (child != null) {
+				//force measure of child if sizing on children and child has stretched size
+				switch (lt) {
+				case LayoutingType.Width:
+					if (child.Width.IsRelativeToParent)
+						contentSize.Width = child.measureRawSize (LayoutingType.Width);
+					break;
+				case LayoutingType.Height:
+					if (child.Height.IsRelativeToParent)
+						contentSize.Height = child.measureRawSize (LayoutingType.Width);
+					break;
+				}
+			}
+			return base.measureRawSize (lt);
+		}
 		public override bool UpdateLayout (LayoutingType layoutType)
 		{
 			if (child != null) {
-				//force sizing to fit if sizing on children and child has stretched size
+				//force measure of child if sizing on children and child has stretched size
 				switch (layoutType) {
 				case LayoutingType.Width:
 					if (Width == Measure.Fit && child.Width.IsRelativeToParent)
-						child.Width = Measure.Fit;
+						contentSize.Width = child.measureRawSize (LayoutingType.Width);
 					break;
 				case LayoutingType.Height:
 					if (Height == Measure.Fit && child.Height.IsRelativeToParent)
-						child.Height = Measure.Fit;
+						contentSize.Height = child.measureRawSize (LayoutingType.Width);
 					break;
 				}
 			}
@@ -115,7 +134,7 @@ namespace Crow
 
 			if (child == null)
 				return;
-			
+
 			LayoutingType ltChild = LayoutingType.None;
 
 			if (layoutType == LayoutingType.Width) {
@@ -131,7 +150,7 @@ namespace Crow
 					if (child.Height.Value < 100 && child.Top == 0)
 						ltChild |= LayoutingType.Y;
 				} else if (child.Top == 0)
-						ltChild |= LayoutingType.Y;
+					ltChild |= LayoutingType.Y;
 			}
 			if (ltChild == LayoutingType.None)
 				return;
@@ -140,17 +159,19 @@ namespace Crow
 		public virtual void OnChildLayoutChanges (object sender, LayoutingEventArgs arg)
 		{			
 			Widget g = sender as Widget;
-
+#if DEBUG_LAYOUTING
+			LOG ($"{arg.LayoutType}:{g}->{child.Slot}");
+#endif
 			if (arg.LayoutType == LayoutingType.Width) {
+				contentSize.Width = g.Slot.Width;
 				if (Width != Measure.Fit)
 					return;
-				contentSize.Width = g.Slot.Width;
-				this.RegisterForLayouting (LayoutingType.Width);
-			}else if (arg.LayoutType == LayoutingType.Height){
+				RegisterForLayouting (LayoutingType.Width);
+			} else if (arg.LayoutType == LayoutingType.Height){
+				contentSize.Height = g.Slot.Height;
 				if (Height != Measure.Fit)
 					return;
-				contentSize.Height = g.Slot.Height;
-				this.RegisterForLayouting (LayoutingType.Height);
+				RegisterForLayouting (LayoutingType.Height);
 			}
 		}
 		protected override void onDraw (Context gr)
diff --git a/Crow/src/Widgets/Widget.cs b/Crow/src/Widgets/Widget.cs
index 2bff9c41..c98c84ae 100644
--- a/Crow/src/Widgets/Widget.cs
+++ b/Crow/src/Widgets/Widget.cs
@@ -1450,6 +1450,21 @@ namespace Crow
 		/// <summary> By default in groups, LayoutingType.ArrangeChildren is reset </summary>
 		public virtual void ChildrenLayoutingConstraints(ref LayoutingType layoutType){
 		}
+
+		internal bool firstUnresolvedFitWidth (out  Widget ancestorInUnresolvedFit)
+		{
+			ancestorInUnresolvedFit = this.Parent as Widget;
+
+			while (ancestorInUnresolvedFit != null) {
+				if (ancestorInUnresolvedFit.width.IsFit)
+					return true;
+				if (!ancestorInUnresolvedFit.Width.IsRelativeToParent || ancestorInUnresolvedFit.Parent is Interface)
+					return false;
+				ancestorInUnresolvedFit = ancestorInUnresolvedFit.Parent as Widget;
+			}
+			return false;
+		}
+
 		public virtual bool ArrangeChildren { get { return false; } }
 		/// <summary> Query a layouting for the type pass as parameter, redraw only if layout changed. </summary>
 		public virtual void RegisterForLayouting(LayoutingType layoutType){
@@ -2028,11 +2043,11 @@ namespace Crow
 
 			if (Parent != null)
 				tmp = Parent.ToString () + tmp;
-			#if DEBUG_LAYOUTING
+			/*#if DEBUG_LAYOUTING
 			return Name == "unamed" ? tmp + "." + this.GetType ().Name + GraphicObjects.IndexOf(this).ToString(): tmp + "." + Name;
-			#else
+			#else*/
 			return string.IsNullOrEmpty(Name) ? tmp + "." + this.GetType ().Name : tmp + "." + Name;
-			#endif
+			//#endif
 		}
 		/// <summary>
 		/// Checks to handle when widget is removed from the visible graphic tree
diff --git a/Crow/src/Widgets/Wrapper.cs b/Crow/src/Widgets/Wrapper.cs
index 7170d1ed..13443fae 100644
--- a/Crow/src/Widgets/Wrapper.cs
+++ b/Crow/src/Widgets/Wrapper.cs
@@ -1,7 +1,7 @@
 // Copyright (c) 2013-2020  Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
 //
 // This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
-
+using static Crow.Logger;
 namespace Crow
 {
 	/// <summary>
@@ -192,10 +192,9 @@ namespace Crow
 		}
 		public override void OnLayoutChanges (LayoutingType layoutType)
 		{
-			#if DEBUG_LAYOUTING
-			IFace.currentLQI.Slot = LastSlots;
-			IFace.currentLQI.Slot = Slot;
-			#endif
+#if DEBUG_LAYOUTING
+			LOG ($"{layoutType}: {LastSlots}->{Slot}");
+#endif
 			switch (layoutType) {
 			case LayoutingType.Width:
 				foreach (Widget c in Children) {
diff --git a/Crow/src/debug/DbgEventTypeColors.cs b/Crow/src/debug/DbgEventTypeColors.cs
index fdcfbd94..c05ffbbc 100644
--- a/Crow/src/debug/DbgEventTypeColors.cs
+++ b/Crow/src/debug/DbgEventTypeColors.cs
@@ -64,7 +64,7 @@ namespace Crow
 				gr.Rectangle (rc);
 				gr.StrokePreserve ();
 
-				gr.SetSourceColor (c);
+				gr.SetSource (c);
 				gr.Fill ();
 
 				penY += fe.Height;
diff --git a/Crow/src/debug/DbgLogViewer.cs b/Crow/src/debug/DbgLogViewer.cs
index baca16be..9e862e15 100644
--- a/Crow/src/debug/DbgLogViewer.cs
+++ b/Crow/src/debug/DbgLogViewer.cs
@@ -1,28 +1,7 @@
-//
-// DbgLogViewer.cs
+// Copyright (c) 2013-2020  Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
 //
-// Author:
-//       Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
-//
-// Copyright (c) 2013-2017 Jean-Philippe Bruyère
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
+// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
+
 using System;
 using System.Collections.Generic;
 using System.IO;
@@ -359,31 +338,31 @@ namespace Crow
 					//if (x + w > cb.Right)
 					//	continue;
 
-					Color c = Color.Black;
+					Color c = Colors.Black;
 
 					if (evt.type == DbgEvtType.GOProcessLayouting) {
 						switch (evt.data.result) {
 						case LayoutingQueueItem.Result.Success:
-							c = Crow.Color.Green;
+							c = Crow.Colors.Green;
 							break;
 						case LayoutingQueueItem.Result.Deleted:
-							c = Crow.Color.Red;
+							c = Crow.Colors.Red;
 							break;
 						case LayoutingQueueItem.Result.Discarded:
-							c = Crow.Color.OrangeRed;
+							c = Crow.Colors.OrangeRed;
 							break;
 						case LayoutingQueueItem.Result.Requeued:
-							c = Crow.Color.Orange;
+							c = Crow.Colors.Orange;
 							break;
 						}
 					} else if (evt.type.HasFlag (DbgEvtType.GOLock))
-						c = Color.BlueViolet;
+						c = Colors.BlueViolet;
 					else if (colors.ContainsKey (evt.type))
 						c = colors [evt.type];
 					//else
 					//	System.Diagnostics.Debugger.Break ();
 					c = c.AdjustAlpha (0.2);
-					gr.SetSourceColor (c);
+					gr.SetSource (c);
 
 					gr.Rectangle (x, penY, w, fe.Height);
 					gr.Fill ();
@@ -391,7 +370,7 @@ namespace Crow
 
 				penY += fe.Height;
 
-				gr.SetSourceColor (Crow.Color.Jet);
+				gr.SetSource (Crow.Colors.Jet);
 				gr.MoveTo (cb.X, penY - 0.5);
 				gr.LineTo (cb.Right, penY - 0.5);
 				gr.Stroke ();
@@ -399,14 +378,14 @@ namespace Crow
 				double penX = 5.0 * g.xLevel + cb.Left;
 
 				if (g.yIndex == 0)
-					gr.SetSourceColor (Crow.Color.LightSalmon);
+					gr.SetSource (Crow.Colors.LightSalmon);
 				else
 					Foreground.SetAsSource (gr);
 
 				gr.MoveTo (penX, penY - gr.FontExtents.Descent);
 				gr.ShowText (g.name);
 
-				gr.SetSourceColor (Crow.Color.White);
+				gr.SetSource (Crow.Colors.White);
 				gr.MoveTo (cb.X, penY - gr.FontExtents.Descent);
 				gr.ShowText ((i+ ScrollY).ToString());
 
@@ -418,7 +397,7 @@ namespace Crow
 
 			gr.MoveTo (leftMargin + cb.Left, cb.Top);
 			gr.LineTo (leftMargin + cb.Left, cb.Bottom);
-			gr.SetSourceColor (Crow.Color.Grey);
+			gr.SetSource (Crow.Colors.Grey);
 
 			penY = topMargin + ClientRectangle.Top;
 
@@ -456,7 +435,7 @@ namespace Crow
 				double x = xScale * (evt.begin - minTicks - ScrollX) ;
 				x += leftMargin + cb.Left;
 
-				gr.SetSourceColor (Crow.Color.Yellow);
+				gr.SetSource (Crow.Colors.Yellow);
 				gr.MoveTo (x, penY);
 				gr.LineTo (x, cb.Bottom);
 				gr.Stroke ();
@@ -465,7 +444,7 @@ namespace Crow
 				gr.Rectangle (x - 0.5 * te.Width , penY - te.Height, te.Width, te.Height);
 				gr.Fill ();
 				gr.MoveTo (x- 0.5 * te.Width, penY - gr.FontExtents.Descent);
-				gr.SetSourceColor (Crow.Color.Jet);
+				gr.SetSource (Crow.Colors.Jet);
 				gr.ShowText (s);
 
 			}
@@ -480,7 +459,7 @@ namespace Crow
 			Rectangle cb = ClientRectangle;
 
 			ctx.Rectangle (ctxR);
-			ctx.SetSourceColor (Color.CornflowerBlue);
+			ctx.SetSource (Colors.CornflowerBlue);
 			ctx.Fill();
 
 			ctx.SelectFontFace (Font.Name, Font.Slant, Font.Wheight);
@@ -521,7 +500,7 @@ namespace Crow
 			ctxR.Width = Math.Max (1, ctxR.Width);
 			ctx.Rectangle (ctxR);
 			//ctx.SetSourceColor (Color.LightYellow);
-			ctx.SetSourceColor (Color.Jet);
+			ctx.SetSource (Colors.Jet);
 			ctx.Fill();
 			ctx.Operator = Cairo.Operator.Over;
 
@@ -577,7 +556,7 @@ namespace Crow
 			base.onMouseMove (sender, e);
 			updateMouseLocalPos (e.Position);
 
-			if (selStart >= 0 && IFace.Mouse.IsButtonDown(MouseButton.Left))
+			if (selStart >= 0 && IFace.IsDown (Glfw.MouseButton.Left))
 				selEnd = currentTick;
 
 			if (RegisteredLayoutings == LayoutingType.None && !IsDirty)
@@ -627,7 +606,7 @@ namespace Crow
 		{
 			base.onKeyDown (sender, e);
 
-			if (e.Key == Key.F3) {
+			if (e.Key == Glfw.Key.F3) {
 				if (selEnd < 0)
 					return;
 				if (selEnd < selStart)
diff --git a/Crow/src/debug/DebugLogger.cs b/Crow/src/debug/DebugLogger.cs
index 37842e22..19c01378 100644
--- a/Crow/src/debug/DebugLogger.cs
+++ b/Crow/src/debug/DebugLogger.cs
@@ -1,28 +1,7 @@
-//
-// CrowDebugger.cs
+// Copyright (c) 2013-2020  Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
 //
-// Author:
-//       Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
-//
-// Copyright (c) 2013-2017 Jean-Philippe Bruyère
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
+// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
+
 using System;
 using Crow.Cairo;
 using System.Collections.Generic;
diff --git a/Samples/common/ui/Interfaces/Stack/StretchedInFit2.crow b/Samples/common/ui/Interfaces/Stack/StretchedInFit2.crow
new file mode 100644
index 00000000..57a57609
--- /dev/null
+++ b/Samples/common/ui/Interfaces/Stack/StretchedInFit2.crow
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<VerticalStack Background="DimGrey" Margin="10" Width="Fit" Height="Fit" >
+	<VerticalStack Width="Stretched" Margin="10" Background="RoyalBlue">
+		<VerticalStack Width="Stretched" Margin="10" Background="FireBrick">
+			<VerticalStack Width="Stretched" Margin="10" Background="Teal">
+				<VerticalStack Width="Stretched" Margin="10" Background="CornflowerBlue">
+					<Label Text="{./Caption}" Width="Stretched"/>
+					<Label Text="{./Caption}" Width="Stretched"/>
+					<Label Text="{./Caption}" Width="Stretched"/>
+					<Label Text="{./Caption}" Width="Stretched"/>
+				</VerticalStack>
+			</VerticalStack>
+		</VerticalStack>
+	</VerticalStack>
+</VerticalStack>
\ No newline at end of file
diff --git a/Samples/common/ui/Interfaces/Stack/StretchedInFit3.crow b/Samples/common/ui/Interfaces/Stack/StretchedInFit3.crow
new file mode 100644
index 00000000..84c057ff
--- /dev/null
+++ b/Samples/common/ui/Interfaces/Stack/StretchedInFit3.crow
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<Container Background="DimGrey" Margin="10" Width="Fit" Height="Fit" >
+	<VerticalStack Width="Stretched" Margin="10" Background="RoyalBlue">
+		<VerticalStack Width="Stretched" Margin="10" Background="FireBrick">
+			<VerticalStack Width="Stretched" Margin="10" Background="Teal">
+				<VerticalStack Width="Stretched" Margin="10" Background="CornflowerBlue">
+					<Label Text="{./Caption}" Width="Stretched"/>
+					<Label Text="{./Caption}" Width="Stretched"/>
+					<Label Text="{./Caption}" Width="Stretched"/>
+					<Label Text="{./Caption}" Width="Stretched"/>
+				</VerticalStack>
+			</VerticalStack>
+		</VerticalStack>
+	</VerticalStack>
+</Container>
\ No newline at end of file
diff --git a/Samples/common/ui/Interfaces/Stack/StretchedInFit4.crow b/Samples/common/ui/Interfaces/Stack/StretchedInFit4.crow
new file mode 100644
index 00000000..8026983a
--- /dev/null
+++ b/Samples/common/ui/Interfaces/Stack/StretchedInFit4.crow
@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<Container Background="DimGrey" Margin="10" Width="Fit" Height="Fit" >
+	<Popper Width="Stretched" Margin="10" Background="RoyalBlue">
+		<Container Width="Fit" Height="Fit" Margin="10" Background="Blue">
+			<Container Width="Stretched" Margin="10" Background="Yellow">
+				<Container Width="Stretched" Margin="10" Background="FireBrick">
+					<CheckBox Width="Stretched"/> 
+				</Container>
+			</Container>
+		</Container>
+	</Popper>
+</Container>
\ No newline at end of file
diff --git a/Samples/common/ui/Interfaces/Stack/StretchedInFit5.crow b/Samples/common/ui/Interfaces/Stack/StretchedInFit5.crow
new file mode 100644
index 00000000..8dc06c77
--- /dev/null
+++ b/Samples/common/ui/Interfaces/Stack/StretchedInFit5.crow
@@ -0,0 +1,16 @@
+<?xml version="1.0"?>
+<VerticalStack Background="DimGrey" Margin="10" Width="Fit" Height="Fit" >
+	<CheckBox Name="cb"/>
+	<CheckBox Name="cb2"/>
+	<Container Visible="{²../cb.IsChecked}" Width="Stretched" Margin="10" Background="RoyalBlue"> 
+		<VerticalStack Width="Stretched" Margin="5" Background="Yellow">
+		<VerticalStack Width="Stretched" Margin="5" Background="Teal">
+		<VerticalStack Width="Stretched" Margin="1">
+			<VerticalStack Width="Stretched" Margin="10" Background="FireBrick">
+				<Label Text="{./Caption}" Width="Fit" Visible="{²../../../../../../cb2.IsChecked}"/> 
+			</VerticalStack>
+		</VerticalStack>
+		</VerticalStack>
+		</VerticalStack>
+	</Container>
+</VerticalStack>
\ No newline at end of file
-- 
2.47.3