From b31daf23caba7bc959482bd46896cbba803ef2fb Mon Sep 17 00:00:00 2001
From: Paul Chote <paul@chote.net>
Date: Tue, 22 Oct 2013 19:45:00 +1300
Subject: [PATCH] Blink the KeyboardEntryWidget on focus.

---
 OpenRA.Game/Widgets/HotkeyEntryWidget.cs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/OpenRA.Game/Widgets/HotkeyEntryWidget.cs b/OpenRA.Game/Widgets/HotkeyEntryWidget.cs
index 714b3b1da1..daa83ff1d8 100644
--- a/OpenRA.Game/Widgets/HotkeyEntryWidget.cs
+++ b/OpenRA.Game/Widgets/HotkeyEntryWidget.cs
@@ -59,6 +59,8 @@ namespace OpenRA.Widgets
 			if (!RenderBounds.Contains(mi.Location) || !TakeKeyboardFocus())
 				return false;
 
+			blinkCycle = 15;
+
 			return true;
 		}
 
@@ -83,6 +85,18 @@ namespace OpenRA.Widgets
 			return true;
 		}
 
+		protected int blinkCycle = 15;
+		protected bool showEntry = true;
+
+		public override void Tick()
+		{
+			if (HasKeyboardFocus && --blinkCycle <= 0)
+			{
+				blinkCycle = 15;
+				showEntry ^= true;
+			}
+		}
+
 		public override void Draw()
 		{
 			var apparentText = Key.DisplayString();
@@ -100,6 +114,10 @@ namespace OpenRA.Widgets
 
 			WidgetUtils.DrawPanel(state, RenderBounds);
 
+			// Blink the current entry to indicate focus
+			if (HasKeyboardFocus && !showEntry)
+				return;
+
 			// Inset text by the margin and center vertically
 			var textPos = pos + new int2(LeftMargin, (Bounds.Height - textSize.Y) / 2 - VisualHeight);