1 files changed, 117 insertions, 0 deletions
diff --git a/main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor.Wrappers/TooltipProviderWrapper.cs b/main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor.Wrappers/TooltipProviderWrapper.cs
new file mode 100644
index 0000000000..bae8352c41
--- /dev/null
+++ b/main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor.Wrappers/TooltipProviderWrapper.cs
@@ -0,0 +1,117 @@
+//
+// TooltipProviderWrapper.cs
+//
+// Author:
+//       Mike Krüger <mkrueger@xamarin.com>
+//
+// Copyright (c) 2014 Xamarin Inc. (http://xamarin.com)
+//
+// 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.
+using System;
+using Mono.TextEditor;
+using MonoDevelop.Ide;
+
+namespace MonoDevelop.SourceEditor.Wrappers
+{
+	class TooltipProviderWrapper : TooltipProvider
+	{
+		readonly MonoDevelop.Ide.Editor.TooltipProvider provider;
+		TooltipItem lastWrappedItem;
+		Ide.Editor.TooltipItem lastUnwrappedItem;
+
+		public MonoDevelop.Ide.Editor.TooltipProvider OriginalProvider {
+			get {
+				return provider;
+			}
+		}
+
+		public TooltipProviderWrapper (MonoDevelop.Ide.Editor.TooltipProvider provider)
+		{
+			if (provider == null)
+				throw new ArgumentNullException ("provider");
+			this.provider = provider;
+		}
+
+		#region implemented abstract members of TooltipProvider
+
+		static MonoDevelop.Ide.Editor.TextEditor WrapEditor (MonoTextEditor editor)
+		{
+			foreach (var doc in IdeApp.Workbench.Documents) {
+				if (doc.FileName == editor.FileName)
+					return doc.Editor;
+			}
+			return null;
+		}
+
+		public override TooltipItem GetItem (MonoTextEditor editor, int offset)
+		{
+			var item = provider.GetItem (WrapEditor (editor), IdeApp.Workbench.ActiveDocument, offset);
+			if (item == null)
+				return null;
+			if (lastUnwrappedItem != null) {
+				if (lastUnwrappedItem.Offset == item.Offset && lastUnwrappedItem.Length == item.Length) {
+					return lastWrappedItem;
+				}
+			}
+			lastUnwrappedItem = item;
+			return lastWrappedItem = new TooltipItem (item.Item, item.Offset, item.Length);
+		}
+
+		public override bool IsInteractive (MonoTextEditor editor, Gtk.Window tipWindow)
+		{
+			var wrappedEditor = WrapEditor (editor);
+			if (wrappedEditor == null)
+				return false;
+			return provider.IsInteractive (wrappedEditor, tipWindow);
+		}
+
+		public override Gtk.Window CreateTooltipWindow (MonoTextEditor editor, int offset, Gdk.ModifierType modifierState, TooltipItem item)
+		{
+			var wrappedEditor = WrapEditor (editor);
+			if (wrappedEditor == null)
+				return null;
+			var control = provider.CreateTooltipWindow (wrappedEditor, IdeApp.Workbench.ActiveDocument, new MonoDevelop.Ide.Editor.TooltipItem (item.Item, item.ItemSegment.Offset, item.ItemSegment.Length), offset, modifierState);
+			if (control == null)
+				return null;
+			return (Gtk.Window)control;
+		}
+
+		protected override void GetRequiredPosition (MonoTextEditor editor, Gtk.Window tipWindow, out int requiredWidth, out double xalign)
+		{
+			var wrappedEditor = WrapEditor (editor);
+			if (wrappedEditor == null) {
+				requiredWidth = 0;
+				xalign = 0;
+				return;
+			}
+			provider.GetRequiredPosition (wrappedEditor, tipWindow, out requiredWidth, out xalign);
+		}
+
+		public override Gtk.Window ShowTooltipWindow (MonoTextEditor editor, Gtk.Window tipWindow, int offset, Gdk.ModifierType modifierState, int mouseX, int mouseY, TooltipItem item)
+		{
+			var wrappedEditor = WrapEditor (editor);
+			if (wrappedEditor == null) {
+				return tipWindow;
+			}
+			provider.ShowTooltipWindow (wrappedEditor, tipWindow, new MonoDevelop.Ide.Editor.TooltipItem (item.Item, item.ItemSegment.Offset, item.ItemSegment.Length), modifierState, mouseX, mouseY);
+			return tipWindow;
+		}
+		#endregion
+	}
+}
+\ No newline at end of file