From 36eac67060468e95d09d69fa5e7f612462bb697e Mon Sep 17 00:00:00 2001
From: Matt Ward <ward.matt@gmail.com>
Date: Wed, 12 Apr 2006 16:22:32 +0000
Subject: [PATCH] SD2-709. The debugger tooltip will now be closed when moving
 the mouse away from a variable if no variables have been expanded in the
 tooltip.

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1293 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61
---
 .../Services/Debugger/DebuggerGridControl.cs  |  9 +++++
 .../Src/Services/Debugger/DebuggerService.cs  | 33 ++++++++++++++++---
 2 files changed, 37 insertions(+), 5 deletions(-)

diff --git a/src/Main/Base/Project/Src/Services/Debugger/DebuggerGridControl.cs b/src/Main/Base/Project/Src/Services/Debugger/DebuggerGridControl.cs
index 7ad565d8fe..a008eee964 100644
--- a/src/Main/Base/Project/Src/Services/Debugger/DebuggerGridControl.cs
+++ b/src/Main/Base/Project/Src/Services/Debugger/DebuggerGridControl.cs
@@ -93,6 +93,15 @@ namespace ICSharpCode.Core
 			frm.ClientSize = new Size(frm.ClientSize.Width, row.Height + 2);
 		}
 		
+		public bool IsMouseOver {
+			get {
+				if (frm != null && !frm.IsDisposed) {
+					return frm.ClientRectangle.Contains(frm.PointToClient(Control.MousePosition));
+				}
+				return false;
+			}
+		}
+		
 		void OnTextAreaClick(object sender, EventArgs e)
 		{
 			((ICSharpCode.TextEditor.TextArea)sender).KeyDown -= OnTextAreaClick;
diff --git a/src/Main/Base/Project/Src/Services/Debugger/DebuggerService.cs b/src/Main/Base/Project/Src/Services/Debugger/DebuggerService.cs
index 6bfe854480..20e4b33553 100644
--- a/src/Main/Base/Project/Src/Services/Debugger/DebuggerService.cs
+++ b/src/Main/Base/Project/Src/Services/Debugger/DebuggerService.cs
@@ -242,6 +242,7 @@ namespace ICSharpCode.Core
 				
 				textArea.IconBarMargin.MouseDown += IconBarMouseDown;
 				textArea.ToolTipRequest          += TextAreaToolTipRequest;
+				textArea.MouseLeave              += TextAreaMouseLeave;
 			}
 		}
 		
@@ -252,6 +253,7 @@ namespace ICSharpCode.Core
 				
 				textArea.IconBarMargin.MouseDown -= IconBarMouseDown;
 				textArea.ToolTipRequest          -= TextAreaToolTipRequest;
+				textArea.MouseLeave              -= TextAreaMouseLeave;
 			}
 		}
 		
@@ -286,6 +288,7 @@ namespace ICSharpCode.Core
 		/// </summary>
 		static void TextAreaToolTipRequest(object sender, ToolTipRequestEventArgs e)
 		{
+			DebuggerGridControl toolTipControl = null;
 			try {
 				TextArea textArea = (TextArea)sender;
 				if (e.ToolTipShown) return;
@@ -314,7 +317,6 @@ namespace ICSharpCode.Core
 						ResolveResult result = ParserService.Resolve(expressionResult, logicPos.Y + 1, logicPos.X + 1, textArea.MotherTextEditorControl.FileName, textContent);
 						bool debuggerCanShowValue;
 						string toolTipText = GetText(result, expression, out debuggerCanShowValue);
-						DebuggerGridControl toolTipControl = null;
 						if (toolTipText != null) {
 							if (Control.ModifierKeys == Keys.Control) {
 								toolTipText = "expr: " + expressionResult.ToString() + "\n" + toolTipText;
@@ -326,10 +328,7 @@ namespace ICSharpCode.Core
 						if (toolTipText != null) {
 							e.ShowToolTip(toolTipText);
 						}
-						if (oldToolTipControl != null) {
-							Form frm = oldToolTipControl.FindForm();
-							if (frm != null) frm.Close();
-						}
+						CloseOldToolTip();
 						if (toolTipControl != null) {
 							toolTipControl.ShowForm(textArea, logicPos);
 						}
@@ -338,9 +337,33 @@ namespace ICSharpCode.Core
 				}
 			} catch (Exception ex) {
 				ICSharpCode.Core.MessageService.ShowError(ex);
+			} finally {
+				if (toolTipControl == null && CanCloseOldToolTip)
+					CloseOldToolTip();
+			}
+		}
+		
+		static bool CanCloseOldToolTip {
+			get {
+				return oldToolTipControl != null && oldToolTipControl.AllowClose;
+			}
+		}
+		
+		static void CloseOldToolTip()
+		{
+			if (oldToolTipControl != null) {
+				Form frm = oldToolTipControl.FindForm();
+				if (frm != null) frm.Close();
+				oldToolTipControl = null;
 			}
 		}
 		
+		static void TextAreaMouseLeave(object source, EventArgs e)
+		{
+			if (CanCloseOldToolTip && !oldToolTipControl.IsMouseOver)
+				CloseOldToolTip();
+		}
+		
 		static string GetText(ResolveResult result, string expression, out bool debuggerCanShowValue)
 		{
 			debuggerCanShowValue = false;