From f1c4f28536f3b5e2e0cc37c67d71f224504cce79 Mon Sep 17 00:00:00 2001
From: gdh1995
Date: Thu, 18 Aug 2016 10:57:01 +0800
Subject: support mapping <backspace>

Chrome stop using <backspace> to go back, but some still wants this
feature.

This should fix #2207 and #2214.
---
 lib/keyboard_utils.coffee | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'lib/keyboard_utils.coffee')

diff --git a/lib/keyboard_utils.coffee b/lib/keyboard_utils.coffee
index f997b455..65c67ec0 100644
--- a/lib/keyboard_utils.coffee
+++ b/lib/keyboard_utils.coffee
@@ -49,6 +49,8 @@ KeyboardUtils =
       event.key.toLowerCase() # F1 to F9.
     else if event.key.length == 3 and "F10" <= event.key <= "F12"
       event.key.toLowerCase() # F10 to F12.
+    else if event.key.length > 3 and event.key in ["Backspace"]
+      event.key.toLowerCase() # F10 to F12.
     else
       ""
 
@@ -60,6 +62,7 @@ KeyboardUtils =
       if (event.keyCode >= @keyCodes.f1 && event.keyCode <= @keyCodes.f12)
         return "f" + (1 + event.keyCode - keyCodes.f1)
       return ""
+    return "backspace" if event.keyIdentifier == "U+0008"
 
     keyIdentifier = event.keyIdentifier
     # On Windows, the keyIdentifiers for non-letter keys are incorrect. See
-- 
cgit v1.2.3


From 3a7a1ab035181ab1346181d8bdda5db5038b9c89 Mon Sep 17 00:00:00 2001
From: gdh1995
Date: Sat, 10 Sep 2016 14:58:26 +0800
Subject: simpler logic to detect backsapce

---
 lib/keyboard_utils.coffee | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/keyboard_utils.coffee')

diff --git a/lib/keyboard_utils.coffee b/lib/keyboard_utils.coffee
index 65c67ec0..c5dbd69a 100644
--- a/lib/keyboard_utils.coffee
+++ b/lib/keyboard_utils.coffee
@@ -49,8 +49,8 @@ KeyboardUtils =
       event.key.toLowerCase() # F1 to F9.
     else if event.key.length == 3 and "F10" <= event.key <= "F12"
       event.key.toLowerCase() # F10 to F12.
-    else if event.key.length > 3 and event.key in ["Backspace"]
-      event.key.toLowerCase() # F10 to F12.
+    else if event.key == "Backspace"
+      event.key.toLowerCase() # Backspace.
     else
       ""
 
-- 
cgit v1.2.3


From 36afaafc98708a8c0f3915e0c494fcc94bf65b3e Mon Sep 17 00:00:00 2001
From: gdh1995
Date: Sat, 17 Sep 2016 15:27:39 +0800
Subject: use keyNames to check backspace keyCode

---
 lib/keyboard_utils.coffee | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

(limited to 'lib/keyboard_utils.coffee')

diff --git a/lib/keyboard_utils.coffee b/lib/keyboard_utils.coffee
index c5dbd69a..4f8336c7 100644
--- a/lib/keyboard_utils.coffee
+++ b/lib/keyboard_utils.coffee
@@ -4,7 +4,7 @@ KeyboardUtils =
     f12: 123, tab: 9, downArrow: 40, upArrow: 38 }
 
   keyNames:
-    { 37: "left", 38: "up", 39: "right", 40: "down", 32: "space" }
+    { 37: "left", 38: "up", 39: "right", 40: "down", 32: "space", 8: "backspace" }
 
   # This is a mapping of the incorrect keyIdentifiers generated by Webkit on Windows during keydown events to
   # the correct identifiers, which are correctly generated on Mac. We require this mapping to properly handle
@@ -49,8 +49,6 @@ KeyboardUtils =
       event.key.toLowerCase() # F1 to F9.
     else if event.key.length == 3 and "F10" <= event.key <= "F12"
       event.key.toLowerCase() # F10 to F12.
-    else if event.key == "Backspace"
-      event.key.toLowerCase() # Backspace.
     else
       ""
 
-- 
cgit v1.2.3


From 9f0ec8cd06903fc25d65b0b82cf8e5fb4e9f5c7a Mon Sep 17 00:00:00 2001
From: Stephen Blott
Date: Sat, 17 Sep 2016 11:05:06 +0100
Subject: Rework #2223 (backspace).

---
 lib/keyboard_utils.coffee | 21 +++++++++++++--------
 1 file changed, 13 insertions(+), 8 deletions(-)

(limited to 'lib/keyboard_utils.coffee')

diff --git a/lib/keyboard_utils.coffee b/lib/keyboard_utils.coffee
index 4f8336c7..3871b066 100644
--- a/lib/keyboard_utils.coffee
+++ b/lib/keyboard_utils.coffee
@@ -53,16 +53,21 @@ KeyboardUtils =
       ""
 
   getKeyCharUsingKeyIdentifier: (event) ->
-    # Not a letter
-    if (event.keyIdentifier.slice(0, 2) != "U+")
-      return @keyNames[event.keyCode] if (@keyNames[event.keyCode])
-      # F-key
-      if (event.keyCode >= @keyCodes.f1 && event.keyCode <= @keyCodes.f12)
-        return "f" + (1 + event.keyCode - keyCodes.f1)
-      return ""
-    return "backspace" if event.keyIdentifier == "U+0008"
+    # Handle named keys.
+    keyCode = event.keyCode
+    if keyCode
+      if keyCode of @keyNames
+        return @keyNames[keyCode]
+      # Function keys.
+      if @keyCodes.f1 <= keyCode <= @keyCodes.f12
+        return "f" + (1 + keyCode - keyCodes.f1)
 
     keyIdentifier = event.keyIdentifier
+
+    # Not a letter.
+    if not keyIdentifier.startsWith "U+"
+      return ""
+
     # On Windows, the keyIdentifiers for non-letter keys are incorrect. See
     # https://bugs.webkit.org/show_bug.cgi?id=19906 for more details.
     if ((@platform == "Windows" || @platform == "Linux") && @keyIdentifierCorrectionMap[keyIdentifier])
-- 
cgit v1.2.3