1 files changed, 150 insertions, 0 deletions
diff --git a/main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/TextMarker/SmartTagMarker.cs b/main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/TextMarker/SmartTagMarker.cs
new file mode 100644
index 0000000000..f327dc895d
--- /dev/null
+++ b/main/src/addins/MonoDevelop.SourceEditor2/MonoDevelop.SourceEditor/TextMarker/SmartTagMarker.cs
@@ -0,0 +1,150 @@
+//
+// SmartTagMarker.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.Components;
+using MonoDevelop.Ide.Editor;
+
+namespace MonoDevelop.SourceEditor
+{
+	class SmartTagMarker : TextSegmentMarker, IActionTextLineMarker, ISmartTagMarker
+	{
+		const double tagMarkerWidth = 8;
+		const double tagMarkerHeight = 2;
+		MonoDevelop.Ide.Editor.DocumentLocation loc;
+		Mono.TextEditor.MonoTextEditor editor;
+
+		public SmartTagMarker (int offset, MonoDevelop.Ide.Editor.DocumentLocation realLocation) : base (offset, 0)
+		{
+			this.loc = realLocation;
+		}
+
+		public override void Draw (Mono.TextEditor.MonoTextEditor editor, Cairo.Context cr, LineMetrics metrics, int startOffset, int endOffset)
+		{
+			this.editor = editor;
+			var line = editor.GetLine (loc.Line);
+			if (line == null)
+				return;
+			var x = editor.ColumnToX (line, loc.Column) - editor.HAdjustment.Value + editor.TextViewMargin.XOffset + editor.TextViewMargin.TextStartPosition;
+
+			cr.Rectangle (Math.Floor (x) + 0.5, Math.Floor (metrics.LineYRenderStartPosition) + 0.5 + (line == editor.GetLineByOffset (startOffset) ? editor.LineHeight - tagMarkerHeight - 1 : 0), tagMarkerWidth * cr.LineWidth, tagMarkerHeight * cr.LineWidth);
+
+			if (HslColor.Brightness (editor.ColorStyle.PlainText.Background) < 0.5) {
+				cr.SetSourceRGBA (0.8, 0.8, 1, 0.9);
+			} else {
+				cr.SetSourceRGBA (0.2, 0.2, 1, 0.9);
+			}
+			cr.Stroke ();
+		}
+
+		#region IActionTextLineMarker implementation
+		class TextEventArgsWrapper : TextMarkerMouseEventArgs
+		{
+			readonly MarginMouseEventArgs args;
+
+			public override double X {
+				get {
+					return args.X;
+				}
+			}
+
+			public override double Y {
+				get {
+					return args.Y;
+				}
+			}
+
+			public override object OverwriteCursor {
+				get;
+				set;
+			}
+
+			public override string TooltipMarkup {
+				get;
+				set;
+			}
+
+			public TextEventArgsWrapper (MarginMouseEventArgs args)
+			{
+				if (args == null)
+					throw new ArgumentNullException ("args");
+				this.args = args;
+			}
+
+			public override bool TriggersContextMenu ()
+			{
+				return args.TriggersContextMenu ();
+			}
+		}
+
+		bool IActionTextLineMarker.MousePressed (Mono.TextEditor.MonoTextEditor editor, MarginMouseEventArgs args)
+		{
+			var handler = MousePressed;
+			if (handler != null)
+				handler (this, new TextEventArgsWrapper (args));
+			return false;
+		}
+
+		void IActionTextLineMarker.MouseHover (Mono.TextEditor.MonoTextEditor editor, MarginMouseEventArgs args, TextLineMarkerHoverResult result)
+		{
+			if (args.Button != 0)
+				return;
+			var handler = MouseHover;
+			if (handler != null)
+				handler (this, new TextEventArgsWrapper (args));
+		}
+
+		#endregion
+
+		bool ISmartTagMarker.IsInsideSmartTag (double x, double y)
+		{
+			if (editor == null)
+				return false;
+			var lin2 = editor.GetLine (loc.Line);
+			var x2 = editor.ColumnToX (lin2, loc.Column) - editor.HAdjustment.Value + editor.TextViewMargin.TextStartPosition;
+			var y2 = editor.LineToY (loc.Line + 1) - editor.VAdjustment.Value;
+			return x - x2 >= 0 * editor.Options.Zoom && 
+				x - x2 < tagMarkerWidth * editor.Options.Zoom && 
+				y - y2 < (editor.LineHeight / 2) * editor.Options.Zoom;
+		}
+
+		bool ISmartTagMarker.IsInsideWindow (Gtk.MotionNotifyEventArgs args)
+		{
+			if (editor == null)
+				return false;
+			return args.Event.Window == editor.TextArea.GdkWindow;
+		}
+
+		public event EventHandler<TextMarkerMouseEventArgs> MousePressed;
+		public event EventHandler<TextMarkerMouseEventArgs> MouseHover;
+
+		object ITextSegmentMarker.Tag {
+			get;
+			set;
+		}
+	}
+}
+