From 080f1697e97e13461ec6df4d31c8924d01257a1b Mon Sep 17 00:00:00 2001
From: Roy Ben Shabat <Roy.mail.net@gmail.com>
Date: Tue, 9 Apr 2019 01:47:48 +0300
Subject: MERGE

---
 .../CodeCompletion/InsightWindow.cs                | 94 ++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 Software/Visual_Studio/Scripting/Tango.Scripting.Editors/CodeCompletion/InsightWindow.cs

(limited to 'Software/Visual_Studio/Scripting/Tango.Scripting.Editors/CodeCompletion/InsightWindow.cs')

diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/CodeCompletion/InsightWindow.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/CodeCompletion/InsightWindow.cs
new file mode 100644
index 000000000..bea06f3b3
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/CodeCompletion/InsightWindow.cs
@@ -0,0 +1,94 @@
+// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
+// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
+
+using System;
+using System.Windows;
+using System.Windows.Controls;
+using Tango.Scripting.Editors.Editing;
+using Tango.Scripting.Editors.Utils;
+
+namespace Tango.Scripting.Editors.CodeCompletion
+{
+	/// <summary>
+	/// A popup-like window that is attached to a text segment.
+	/// </summary>
+	public class InsightWindow : CompletionWindowBase
+	{
+		static InsightWindow()
+		{
+			DefaultStyleKeyProperty.OverrideMetadata(typeof(InsightWindow),
+			                                         new FrameworkPropertyMetadata(typeof(InsightWindow)));
+			AllowsTransparencyProperty.OverrideMetadata(typeof(InsightWindow),
+			                                            new FrameworkPropertyMetadata(Boxes.True));
+		}
+		
+		/// <summary>
+		/// Creates a new InsightWindow.
+		/// </summary>
+		public InsightWindow(TextArea textArea) : base(textArea)
+		{
+			this.CloseAutomatically = true;
+			AttachEvents();
+		}
+		
+		/// <inheritdoc/>
+		protected override void OnSourceInitialized(EventArgs e)
+		{
+			base.OnSourceInitialized(e);
+			
+			Rect caret = this.TextArea.Caret.CalculateCaretRectangle();
+			Point pointOnScreen = this.TextArea.TextView.PointToScreen(caret.Location - this.TextArea.TextView.ScrollOffset);
+			Rect workingArea = System.Windows.Forms.Screen.FromPoint(pointOnScreen.ToSystemDrawing()).WorkingArea.ToWpf().TransformFromDevice(this);
+			
+			MaxHeight = workingArea.Height;
+			MaxWidth = Math.Min(workingArea.Width, Math.Max(1000, workingArea.Width * 0.6));
+		}
+		
+		/// <summary>
+		/// Gets/Sets whether the insight window should close automatically.
+		/// The default value is true.
+		/// </summary>
+		public bool CloseAutomatically { get; set; }
+		
+		/// <inheritdoc/>
+		protected override bool CloseOnFocusLost {
+			get { return this.CloseAutomatically; }
+		}
+		
+		void AttachEvents()
+		{
+			this.TextArea.Caret.PositionChanged += CaretPositionChanged;
+		}
+		
+		/// <inheritdoc/>
+		protected override void DetachEvents()
+		{
+			this.TextArea.Caret.PositionChanged -= CaretPositionChanged;
+			base.DetachEvents();
+		}
+		
+		void CaretPositionChanged(object sender, EventArgs e)
+		{
+			if (this.CloseAutomatically) {
+				int offset = this.TextArea.Caret.Offset;
+				if (offset < this.StartOffset || offset > this.EndOffset) {
+					Close();
+				}
+			}
+		}
+	}
+	
+	/// <summary>
+	/// TemplateSelector for InsightWindow to replace plain string content by a TextBlock with TextWrapping.
+	/// </summary>
+	internal sealed class InsightWindowTemplateSelector : DataTemplateSelector
+	{
+		public override DataTemplate SelectTemplate(object item, DependencyObject container)
+		{
+			if (item is string)
+				return (DataTemplate)((FrameworkElement)container).FindResource("TextBlockTemplate");
+			
+			return null;
+		}
+	}
+}
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