Fixes BXC #53775

1 files changed, 65 insertions, 6 deletions

diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/EventBoxTooltip.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/EventBoxTooltip.cs
index ad48d0c426..670fb6d708 100644
--- a/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/EventBoxTooltip.cs
+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Components/EventBoxTooltip.cs
@@ -29,9 +29,11 @@ using Gtk;
 using System;

 using MonoDevelop.Components.AtkCocoaHelper;

 using MonoDevelop.Ide.Tasks;

+using MonoDevelop.Ide;

+using Gdk;

 

 namespace MonoDevelop.Components

-{

+{
 	public class EventBoxTooltip : IDisposable

 	{

 		EventBox eventBox;

@@ -43,24 +45,48 @@ namespace MonoDevelop.Components
 			get {

 				return eventBox.Accessible;

 			}

-		}

-

+		}
+
 		/// <summary>

 		/// The EventBox should have Visible set to false otherwise the tooltip pop window

 		/// will have the wrong location.

 		/// </summary>

+
+		ImageView image;

+		Pixbuf normalPixbuf;

+		Pixbuf activePixbuf;

+

 		public EventBoxTooltip (EventBox eventBox)

 		{

 			this.eventBox = eventBox;

+			eventBox.CanFocus = true;

 

 			eventBox.EnterNotifyEvent += HandleEnterNotifyEvent;

 			eventBox.LeaveNotifyEvent += HandleLeaveNotifyEvent;

 			eventBox.FocusInEvent += HandleFocusInEvent;

 			eventBox.FocusOutEvent += HandleFocusOutEvent;

 

+			image = eventBox.Child as ImageView;

+

+			if (image != null) {

+				normalPixbuf = image.Image.ToPixbuf ();

+			}

+			normalPixbuf = image.Image.ToPixbuf ();

+			activePixbuf = normalPixbuf.ColorShiftPixbuf ();

+

+			eventBox.FocusGrabbed += (sender, e) => {

+				if (image != null)

+					image.Image = activePixbuf.ToXwtImage ();

+			};

+

+			eventBox.Focused += (o, args) => {

+				if (image != null)

+					image.Image = normalPixbuf.ToXwtImage ();

+			};

+

 			Position = PopupPosition.TopLeft;
 
-			// Accessibility: Disguise this eventbox as a label

+			// Accessibility: Disguise this eventbox as a label
 			eventBox.Accessible.SetRole (AtkCocoa.Roles.AXStaticText);

 			eventBox.CanFocus = true;

 		}

@@ -89,7 +115,7 @@ namespace MonoDevelop.Components
 		[GLib.ConnectBefore]

 		void HandleFocusInEvent (object sender, EventArgs e)

 		{

-			mouseOver = true;

+			mouseOver = true;
 			ShowTooltip ();

 		}

 

@@ -146,6 +172,39 @@ namespace MonoDevelop.Components
 

 		public TaskSeverity? Severity { get; set; }

 		public PopupPosition Position { get; set; }

-	}

+	}
+#region Extension method for Pixbuf
+	internal static class PixbufExtension

+	{

+		public static unsafe Pixbuf ColorShiftPixbuf (this Pixbuf src, byte shift = 120)

+		{

+			var dest = new Gdk.Pixbuf (src.Colorspace, src.HasAlpha, src.BitsPerSample, src.Width, src.Height);

+

+			byte* src_pixels_orig = (byte*)src.Pixels;

+			byte* dest_pixels_orig = (byte*)dest.Pixels;

+

+			for (int i = 0; i < src.Height; i++) {

+				byte* src_pixels = src_pixels_orig + i * src.Rowstride;

+				byte* dest_pixels = dest_pixels_orig + i * dest.Rowstride;

+

+				for (int j = 0; j < src.Width; j++) {

+					*(dest_pixels++) = PixelClamp (*(src_pixels++) + shift);

+					*(dest_pixels++) = PixelClamp (*(src_pixels++) + shift);

+					*(dest_pixels++) = PixelClamp (*(src_pixels++) + shift);

+

+					if (src.HasAlpha) {

+						*(dest_pixels++) = *(src_pixels++);

+					}

+				}

+			}

+			return dest;

+		}

+

+		static byte PixelClamp (int val)

+		{

+			return (byte)System.Math.Max (0, System.Math.Min (255, val));

+		}

+	}
+#endregion

 }