FBI-1684: [MANTIS - 22275] Scroll in trigger editor jumps several lines up when

scrolling with the mouse scroll wheel

resolve observations

gulliver/js/codemirror/addon/hint/css-hint.js

@@ -1,4 +1,14 @@
-(function () {
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: http://codemirror.net/LICENSE
+
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"), require("../../mode/css/css"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror", "../../mode/css/css"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
   "use strict";
 
   var pseudoClasses = {link: 1, visited: 1, active: 1, hover: 1, focus: 1,
@@ -10,7 +20,11 @@
     var inner = CodeMirror.innerMode(cm.getMode(), token.state);
     if (inner.mode.name != "css") return;
 
-    var word = token.string, start = token.start, end = token.end;
+    if (token.type == "keyword" && "!important".indexOf(token.string) == 0)
+      return {list: ["!important"], from: CodeMirror.Pos(cur.line, token.start),
+              to: CodeMirror.Pos(cur.line, token.end)};
+
+    var start = token.start, end = cur.ch, word = token.string.slice(0, end - start);
     if (/[^\w$_-]/.test(word)) {
       word = ""; start = end = cur.ch;
     }
@@ -24,7 +38,7 @@
           result.push(name);
     }
 
-    var st = token.state.state;
+    var st = inner.state.state;
     if (st == "pseudo" || token.type == "variable-3") {
       add(pseudoClasses);
     } else if (st == "block" || st == "maybeprop") {
@@ -43,4 +57,4 @@
       to: CodeMirror.Pos(cur.line, end)
     };
   });
-})();
+});