From 6739401d456136c81a6cb688c4464913ae38ddc1 Mon Sep 17 00:00:00 2001
From: Boris Fritscher <boris@fritscher.ch>
Date: Mon, 17 Jul 2017 14:30:32 +0200
Subject: [PATCH] better repeat logic for text and ...

---
 src/Carnac.Logic/Models/Message.cs | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/Carnac.Logic/Models/Message.cs b/src/Carnac.Logic/Models/Message.cs
index 415492b0..53bca268 100644
--- a/src/Carnac.Logic/Models/Message.cs
+++ b/src/Carnac.Logic/Models/Message.cs
@@ -132,10 +132,25 @@ static IEnumerable<string> CreateTextSequence(IEnumerable<KeyPress> keys)
                   if (acc.Any())
                   {
                       var last = acc.Last();
-                      if (last.IsRepeatedBy(curr))
+                      var secondLast = acc.Count() > 1 ? acc.SkipLast(1).Last() : null;
+                      var thirdLast = acc.Count() > 2 ? acc.SkipLast(2).Last() : null;
+                      if (last.IsRepeatedBy(curr) &&
+                         // not a letter or a letter with a modifier or repeated letter
+                         (!(curr.InterceptKeyEventArgs.IsLetter() || curr.GetTextParts().First() == ".") || curr.HasModifierPressed || last.RepeatCount > 2))
                       {
                           last.IncrementRepeat();
                       }
+                      else if (last.IsRepeatedBy(curr) &&
+                          // a letter is repeated 4 times now count it x times
+                          (curr.InterceptKeyEventArgs.IsLetter() || curr.GetTextParts().First() == ".") && secondLast != null && secondLast.IsRepeatedBy(curr)
+                          && thirdLast != null && thirdLast.IsRepeatedBy(curr))
+                      {
+                          acc.Remove(last);
+                          acc.Remove(secondLast);
+                          thirdLast.IncrementRepeat();
+                          thirdLast.IncrementRepeat();
+                          thirdLast.IncrementRepeat();
+                      }
                       else
                       {
                           acc.Add(new RepeatedKeyPress(curr, last.NextRequiresSeperator));
@@ -172,6 +187,8 @@ public RepeatedKeyPress(KeyPress keyPress, bool requiresPrefix = false)
 
             public bool NextRequiresSeperator { get { return nextRequiresSeperator; } }
 
+            public int RepeatCount { get { return repeatCount; } }
+
             public void IncrementRepeat()
             {
                 repeatCount++;