From 631352e1ef54be116a7743eb257481562de9d549 Mon Sep 17 00:00:00 2001
From: daboe01 <daboe01@googlemail.com>
Date: Sat, 18 Jun 2016 20:36:22 +0200
Subject: [PATCH] improved FF deadkey detection

---
 AppKit/CPTextView/CPTextView.j | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/AppKit/CPTextView/CPTextView.j b/AppKit/CPTextView/CPTextView.j
index 58d4b6ef7..58230d555 100644
--- a/AppKit/CPTextView/CPTextView.j
+++ b/AppKit/CPTextView/CPTextView.j
@@ -2245,6 +2245,7 @@ var CPTextViewAllowsUndoKey = @"CPTextViewAllowsUndoKey",
 
 var _CPNativeInputField,
     _CPNativeInputFieldLastValue,
+    _CPNativeInputFieldKeyDownCalled,
     _CPNativeInputFieldKeyUpCalled,
     _CPNativeInputFieldKeyPressedCalled,
     _CPNativeInputFieldActive,
@@ -2372,6 +2373,11 @@ var _CPCopyPlaceholder = '-';
 
     _CPNativeInputField.addEventListener("keydown", function(e)
     {
+        // this protects from heavy typing
+        if (CPBrowserIsEngine(CPGeckoBrowserEngine) && _CPNativeInputFieldKeyDownCalled)
+            return true;
+
+        _CPNativeInputFieldKeyDownCalled = YES;
         _CPNativeInputFieldKeyUpCalled = NO;
         _CPNativeInputFieldKeyPressedCalled = NO;
         var currentFirstResponder = [[CPApp keyWindow] firstResponder];
@@ -2382,6 +2388,8 @@ var _CPCopyPlaceholder = '-';
         // FF-trigger: here the best way to detect a dead key is the missing keyup event
         if (CPBrowserIsEngine(CPGeckoBrowserEngine))
             setTimeout(function(){
+                _CPNativeInputFieldKeyDownCalled = NO;
+
                 if (!_CPNativeInputFieldActive && _CPNativeInputFieldKeyUpCalled == NO && _CPNativeInputField.innerHTML.length && _CPNativeInputField.innerHTML != _CPCopyPlaceholder && _CPNativeInputField.innerHTML.length < 3 && !e.repeat)
                 {
                     _CPNativeInputFieldActive = YES;