workaround for ApplePressAndHoldEnabled interfering with vim mode

lib/ace/keyboard/vim.js

@@ -43,6 +43,7 @@ var keyUtil = require("../lib/keys");
 var cmds = require("./vim/commands");
 var coreCommands = cmds.coreCommands;
 var util = require("./vim/maps/util");
+var useragent = require("../lib/useragent");
 
 var startCommands = {
     "i": {
@@ -66,6 +67,28 @@ var startCommands = {
 };
 
 exports.handler = {
+    // workaround for j not repeating with `defaults write -g ApplePressAndHoldEnabled -bool true`
+    handleMacRepeat: function(data, hashId, key) {
+        if (hashId == -1) {
+            // record key
+            data.inputChar = key;
+            data.lastEvent = "input";
+        } else if (data.inputChar && data.$lastHash == hashId && data.$lastKey == key) {
+            // check for repeated keypress 
+            if (data.lastEvent == "input") {
+                data.lastEvent = "input1";
+            } else if (data.lastEvent == "input1") {
+                // simulate textinput
+                return true;
+            }
+        } else {
+            // reset
+            data.$lastHash = hashId;
+            data.$lastKey = key;
+            data.lastEvent = "keypress";
+        }
+    },
+    
     handleKeyboard: function(data, hashId, key, keyCode, e) {
         // ignore command keys (shift, ctrl etc.)
         if (hashId != 0 && (key == "" || key == "\x00"))
@@ -73,19 +96,25 @@ exports.handler = {
 
         if (hashId == 1)
             key = "ctrl-" + key;
-
+        
         if (data.state == "start") {
+            if (useragent.isMac && this.handleMacRepeat(data, hashId, key)) {
+                hashId = -1;
+                key = data.inputChar;
+            }
+            
             if (hashId == -1 || hashId == 1) {
                 if (cmds.inputBuffer.idle && startCommands[key])
                     return startCommands[key];
-
+                return {
-                return { command: {
+                    command: {
-                    exec: function(editor) {cmds.inputBuffer.push(editor, key);}
+                        exec: function(editor) {cmds.inputBuffer.push(editor, key);}
-                } };
+                    }
-            } // wait for input
+                };
-            else if (key.length == 1 && (hashId == 0 || hashId == 4)) { //no modifier || shift
+            } // if no modifier || shift: wait for input.
+            else if (key.length == 1 && (hashId == 0 || hashId == 4)) {
                 return {command: "null", passEvent: true};
-            } else if (key == "esc") {
+            } else if (key == "esc" && hashId == 0) {
                 return {command: coreCommands.stop};
             }
         } else {