Squashed commit devel branch:

commit 7f91f7c2e83f7cfb2922ea83586f156f03f88a59
Author: Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
Date:   Fri Feb 9 18:13:59 2018 +0100

    go back to OpenTK-2, waiting for an official release

commit 125f32758a584c4976d3536eab3702fd37a8a7a9
Author: Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
Date:   Fri Feb 9 17:26:00 2018 +0100

    LoadInterface replaced by AddWidget overload, [ide] property view item templates in separate template file

commit 7c48cd2f0332d2ec82006edb755fcd37ab1f2b4a
Author: Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
Date:   Fri Feb 9 12:10:13 2018 +0100

    Tooltips, CrowIDE improvements, Fetch subdata when test not eq TypeOf, debug listener in basicTest, RemoveWidget in iface
    	modifié :         Crow.ControlsLib/Crow.ControlsLib.csproj
    	modifié :         Crow.csproj
    	modifié :         Crow.sln
    	modifié :         CrowIDE/CrowIDE.csproj
    	modifié :         CrowIDE/src/CrowIDE.cs
    	modifié :         CrowIDE/src/ImlVisualEditor.cs
    	nouveau fichier : CrowIDE/src/Project.cs
    	nouveau fichier : CrowIDE/src/Solution.cs
    	nouveau fichier : CrowIDE/src/VerticalLine.cs
    	nouveau fichier : CrowIDE/ui/ProjectProperties.crow
    	nouveau fichier : CrowIDE/ui/ProjectTree.template
    	nouveau fichier : CrowIDE/ui/TreeExpandable.template
    	modifié :         CrowIDE/ui/imlEditor.crow
    	modifié :         Default.style
    	nouveau fichier : Icons/assembly.svg
    	nouveau fichier : Templates/Tooltip.template
    	modifié :         Tests/BasicTests.cs
    	modifié :         Tests/HelloWorld.cs
    	modifié :         Tests/Interfaces/Divers/0.crow
    	modifié :         Tests/Interfaces/Divers/testShape.crow
    	modifié :         Tests/Interfaces/Divers/welcome.crow
    	modifié :         Tests/Tests.csproj
    	modifié :         src/CompilerServices/CompilerServices.cs
    	modifié :         src/GraphicObjects/FileDialog.cs
    	modifié :         src/GraphicObjects/GraphicObject.cs
    	modifié :         src/GraphicObjects/MessageBox.cs
    	modifié :         src/Instantiator.cs
    	modifié :         src/Interface.cs
    	modifié :         src/ItemTemplate.cs

1 files changed, 76 insertions, 8 deletions

diff --git a/src/Interface.cs b/src/Interface.cs
index ab78e42d..992ff6f6 100644
--- a/src/Interface.cs
+++ b/src/Interface.cs
@@ -88,6 +88,8 @@ namespace Crow
 		public Interface(){
 			CurrentInterface = this;
 			CultureInfo.DefaultThreadCurrentCulture = System.Globalization.CultureInfo.InvariantCulture;
+
+			initTooltip ();
 		}
 		#endregion
 
@@ -100,6 +102,8 @@ namespace Crow
 		public static bool FocusOnHover = false;
 		/// <summary> Threshold to catch borders for sizing </summary>
 		public static int BorderThreshold = 5;
+		/// <summary> delay before tooltip appear </summary>
+		public static int ToolTipDelay = 500;
 		/// <summary>Double click threshold in milisecond</summary>
 		public static int DoubleClick = 200;//max duration between two mouse_down evt for a dbl clk in milisec.
 		/// <summary> Time to wait in millisecond before starting repeat loop</summary>
@@ -313,9 +317,12 @@ namespace Crow
 				return tmp;
 			}
 		}
-		/// <summary>Create an instance of a GraphicObject and add it to the GraphicTree
-		/// of this Interface</summary>
-		public GraphicObject LoadInterface (string path)
+		/// <summary>
+		/// Create an instance of a GraphicObject and add it to the GraphicTree of this Interface
+		/// </summary>
+		/// <returns>new instance of graphic object created</returns>
+		/// <param name="path">path of the iml file to load</param>
+		public GraphicObject AddWidget (string path)
 		{
 			lock (UpdateMutex) {
 				GraphicObject tmp = Load (path);
@@ -323,8 +330,11 @@ namespace Crow
 				return tmp;
 			}
 		}
-		/// <summary>Create an instance of a GraphicObject linked to this interface but
-		/// not added to the GraphicTree</summary>
+		/// <summary>
+		/// Create an instance of a GraphicObject linked to this interface but not added to the GraphicTree
+		/// </summary>
+		/// <returns>new instance of graphic object created</returns>
+		/// <param name="path">path of the iml file to load</param>
 		public GraphicObject Load (string path)
 		{
 			try {
@@ -333,7 +343,11 @@ namespace Crow
 				throw new Exception ("Error loading <" + path + ">:", ex);
 			}
 		}
-		/// <summary>Fetch instantiator it from cache or create it</summary>
+		/// <summary>
+		/// Fetch instantiator from cache or create it.
+		/// </summary>
+		/// <returns>new Instantiator</returns>
+		/// <param name="path">path of the iml file to load</param>
 		public static Instantiator GetInstantiator(string path){
 			if (!Instantiators.ContainsKey(path))
 				Instantiators [path] = new Instantiator(path);
@@ -626,7 +640,7 @@ namespace Crow
 
 		#region GraphicTree handling
 		/// <summary>Add widget to the Graphic tree of this interface and register it for layouting</summary>
-		public void AddWidget(GraphicObject g, bool isOverlay = false)
+		public void AddWidget(GraphicObject g)
 		{
 			g.Parent = this;
 			int ptr = 0;
@@ -648,7 +662,7 @@ namespace Crow
 			g.RegisteredLayoutings = LayoutingType.None;
 			g.RegisterForLayouting (LayoutingType.Sizing | LayoutingType.ArrangeChildren);
 		}
-		/// <summary>Set visible state of widget to false and remove if from the graphic tree</summary>
+		/// <summary>Set visible state of widget to false and delete if from the graphic tree</summary>
 		public void DeleteWidget(GraphicObject g)
 		{
 			lock (UpdateMutex) {
@@ -658,6 +672,15 @@ namespace Crow
 				g.Dispose ();
 			}
 		}
+		/// <summary>Set visible state of widget to false and remove if from the graphic tree</summary>
+		public void RemoveWidget(GraphicObject g)
+		{
+			lock (UpdateMutex) {
+				RegisterClip (g.ScreenCoordinates (g.LastPaintedSlot));
+				GraphicTree.Remove (g);
+				g.Parent = null;
+			}
+		}
 		/// <summary> Remove all Graphic objects from top container </summary>
 		public void ClearInterface()
 		{
@@ -770,6 +793,7 @@ namespace Crow
 			}
 
 			if (HoverWidget != null) {
+				resetTooltip ();
 				//check topmost graphicobject first
 				GraphicObject tmp = HoverWidget;
 				GraphicObject topc = null;
@@ -947,6 +971,50 @@ namespace Crow
 		}
 		#endregion
 
+		#region Tooltip handling
+		Stopwatch tooltipTimer = new Stopwatch();
+		GraphicObject ToolTipContainer = null;
+		volatile bool tooltipVisible = false;
+
+		void initTooltip () {
+			ToolTipContainer = Load  ("#Crow.Tooltip.template");
+			Thread t = new Thread (toolTipThreadFunc);
+			t.IsBackground = true;
+			t.Start ();
+		}
+		void toolTipThreadFunc ()
+		{
+			while(true) {
+				if (tooltipTimer.ElapsedMilliseconds > ToolTipDelay) {
+					if (!tooltipVisible) {
+						GraphicObject g = _hoverWidget;
+						while (g != null) {
+							if (!string.IsNullOrEmpty (g.Tooltip)) {
+								AddWidget (ToolTipContainer);
+								ToolTipContainer.DataSource = g;
+								ToolTipContainer.Top = Mouse.Y + 10;
+								ToolTipContainer.Left = Mouse.X + 10;
+								tooltipVisible = true;
+								break;
+							}
+							g = g.LogicalParent as GraphicObject;
+						}
+					}
+				}
+				Thread.Sleep (200);	
+			}
+
+		}
+		void resetTooltip () {
+			if (tooltipVisible) {
+				//ToolTipContainer.DataSource = null;
+				RemoveWidget (ToolTipContainer);
+				tooltipVisible = false;
+			}
+			tooltipTimer.Restart ();
+		}
+		#endregion
+
 		#region Device Repeat Events
 		volatile bool mouseRepeatOn, keyboardRepeatOn;
 		volatile int mouseRepeatCount, keyboardRepeatCount;