From a8b8ae2ad759026635ab3b801e79d098f5735fd5 Mon Sep 17 00:00:00 2001
From: mrjlynch <jeremylynch1994@gmail.com>
Date: Mon, 11 Apr 2016 19:53:17 +1000
Subject: [PATCH] Added support for Mac keyboard shortcuts

support for Ctrl or Cmd is PC or MAC
---
 src/editormd.js | 77 +++++++++++++++++++++++++------------------------
 1 file changed, 40 insertions(+), 37 deletions(-)

diff --git a/src/editormd.js b/src/editormd.js
index 95c65b4..7bffb7f 100644
--- a/src/editormd.js
+++ b/src/editormd.js
@@ -3170,17 +3170,20 @@
         }
     };
     
+    var isMac = navigator.platform.toUpperCase().indexOf('MAC')>=0;
+    var key = isMac ? "Cmd" : "Ctrl";
+    
     editormd.keyMaps = {
-        "Ctrl-1"       : "h1",
-        "Ctrl-2"       : "h2",
-        "Ctrl-3"       : "h3",
-        "Ctrl-4"       : "h4",
-        "Ctrl-5"       : "h5",
-        "Ctrl-6"       : "h6",
-        "Ctrl-B"       : "bold",  // if this is string ==  editormd.toolbarHandlers.xxxx
-        "Ctrl-D"       : "datetime",
-        
-        "Ctrl-E"       : function() { // emoji
+        [key + "-1"]       : "h1",
+        [key + "-2"]       : "h2",
+        [key + "-3"]       : "h3",
+        [key + "-4"]       : "h4",
+        [key + "-5"]       : "h5",
+        [key + "-6"]       : "h6",
+        [key + "-B"]       : "bold",  // if this is string ==  editormd.toolbarHandlers.xxxx
+        [key + "-D"]       : "datetime",
+        
+        [key + "Ctrl-E"]       : function() { // emoji
             var cm        = this.cm;
             var cursor    = cm.getCursor();
             var selection = cm.getSelection();
@@ -3197,10 +3200,10 @@
                 cm.setCursor(cursor.line, cursor.ch + 1);
             }
         },
-        "Ctrl-Alt-G"   : "goto-line",
-        "Ctrl-H"       : "hr",
-        "Ctrl-I"       : "italic",
-        "Ctrl-K"       : "code",
+        [key + "-Alt-G"]   : "goto-line",
+        [key + "-H"]       : "hr",
+        [key + "-I"]       : "italic",
+        [key + "-K"]       : "code",
         
         "Ctrl-L"        : function() {
             var cm        = this.cm;
@@ -3215,7 +3218,7 @@
                 cm.setCursor(cursor.line, cursor.ch + 1);
             }
         },
-        "Ctrl-U"         : "list-ul",
+        [key + "-U"]         : "list-ul",
         
         "Shift-Ctrl-A"   : function() {
             var cm        = this.cm;
@@ -3235,10 +3238,10 @@
             }
         },
         
-        "Shift-Ctrl-C"     : "code",
-        "Shift-Ctrl-Q"     : "quote",
-        "Shift-Ctrl-S"     : "del",
-        "Shift-Ctrl-K"     : "tex",  // KaTeX
+        ["Shift" + key + "-C"]     : "code",
+        ["Shift" + key + "Q"]     : "quote",
+        ["Shift" + key + "S"]     : "del",
+        ["Shift" + key + "K"]     : "tex",  // KaTeX
         
         "Shift-Alt-C"      : function() {
             var cm        = this.cm;
@@ -3252,16 +3255,16 @@
             } 
         },
         
-        "Shift-Ctrl-Alt-C" : "code-block",
-        "Shift-Ctrl-H"     : "html-entities",
-        "Shift-Alt-H"      : "help",
-        "Shift-Ctrl-E"     : "emoji",
-        "Shift-Ctrl-U"     : "uppercase",
-        "Shift-Alt-U"      : "ucwords",
-        "Shift-Ctrl-Alt-U" : "ucfirst",
-        "Shift-Alt-L"      : "lowercase",
+        ["Shift-" + key + "-Alt-C"]      : "code-block",
+        ["Shift-" + key + "-H"]          : "html-entities",
+        "Shift-Alt-H"                    : "help",
+        ["Shift-" + key + "-E"]          : "emoji",
+        ["Shift-" + key + "-U"]          : "uppercase",
+        "Shift-Alt-U"                    : "ucwords",
+        ["Shift-" + key + "-Alt-U"]      : "ucfirst",
+        "Shift-Alt-L"                    : "lowercase",
         
-        "Shift-Ctrl-I"     : function() {
+        ["Shift-" + key + "-I"]          : function() {
             var cm        = this.cm;
             var cursor    = cm.getCursor();
             var selection = cm.getSelection();
@@ -3275,15 +3278,15 @@
             }
         },
         
-        "Shift-Ctrl-Alt-I" : "image",
-        "Shift-Ctrl-L"     : "link",
-        "Shift-Ctrl-O"     : "list-ol",
-        "Shift-Ctrl-P"     : "preformatted-text",
-        "Shift-Ctrl-T"     : "table",
-        "Shift-Alt-P"      : "pagebreak",
-        "F9"               : "watch",
-        "F10"              : "preview",
-        "F11"              : "fullscreen",
+        ["Shift-" + key + "-Alt-I"]     : "image",
+        ["Shift-" + key + "-L"]         : "link",
+        ["Shift-" + key + "-O"]         : "list-ol",
+        ["Shift-" + key + "-P"]         : "preformatted-text",
+        ["Shift-" + key + "-T"]         : "table",
+        "Shift-Alt-P"                   : "pagebreak",
+        "F9"                            : "watch",
+        "F10"                           : "preview",
+        "F11"                           : "fullscreen",
     };
     
     /**