From 3a305b8258782797b328f2ce46e8bb74e9603594 Mon Sep 17 00:00:00 2001
From: Wu Cheng-Han
Date: Mon, 28 Nov 2016 01:20:23 +0800
Subject: Update editor other cursor classes and adding option for other
 cursors features in CodeMirror

---
 public/vendor/codemirror/lib/codemirror.css | 14 ++++++++++++++
 public/vendor/codemirror/lib/codemirror.js  | 26 +++++++++++++++-----------
 2 files changed, 29 insertions(+), 11 deletions(-)

(limited to 'public/vendor/codemirror/lib')

diff --git a/public/vendor/codemirror/lib/codemirror.css b/public/vendor/codemirror/lib/codemirror.css
index 18b0bf70..255de91a 100644
--- a/public/vendor/codemirror/lib/codemirror.css
+++ b/public/vendor/codemirror/lib/codemirror.css
@@ -86,6 +86,12 @@
 /* Can style cursor different in overwrite (non-insert) mode */
 .CodeMirror-overwrite .CodeMirror-cursor {}
 
+.CodeMirror-other-cursor {
+    width: 0px;
+    position: absolute;
+    border-right: none;
+}
+
 .cm-tab { display: inline-block; text-decoration: inherit; }
 
 .CodeMirror-rulers {
@@ -316,6 +322,11 @@ div.CodeMirror-dragcursors {
   visibility: visible;
 }
 
+div.CodeMirror-other-cursors {
+  position:relative;
+  z-index:3;
+}
+
 .CodeMirror-selected { background: #d9d9d9; }
 .CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
 .CodeMirror-crosshair { cursor: crosshair; }
@@ -338,6 +349,9 @@ div.CodeMirror-dragcursors {
   .CodeMirror div.CodeMirror-cursors {
     visibility: hidden;
   }
+  .CodeMirror div.CodeMirror-other-cursors {
+    visibility: hidden;
+  }
 }
 
 /* See issue #2901 */
diff --git a/public/vendor/codemirror/lib/codemirror.js b/public/vendor/codemirror/lib/codemirror.js
index b77c1518..feaee981 100644
--- a/public/vendor/codemirror/lib/codemirror.js
+++ b/public/vendor/codemirror/lib/codemirror.js
@@ -2330,7 +2330,7 @@
     for (var i = 0; i < doc.sel.ranges.length; i++) {
       if (primary === false && i == doc.sel.primIndex) continue;
       var range = doc.sel.ranges[i];
-      //if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) continue;
+      if (!cm.options.otherCursors && (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom)) continue;
       var collapsed = range.empty();
       if (collapsed || cm.options.showCursorWhenSelecting)
         drawSelectionCursor(cm, range.head, curFragment);
@@ -2357,16 +2357,20 @@
       otherCursor.style.top = pos.other.top + "px";
       otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
     }
-      
-    $('.other-cursor').each(function(key, value) {
-        var line = parseInt($(value).attr('data-line'));
-        var ch = parseInt($(value).attr('data-ch'));
-        var offsetLeft = parseFloat($(value).attr('data-offset-left'));
-        var offsetTop = parseFloat($(value).attr('data-offset-top'));
-        var coord = cm.charCoords({line: line, ch: ch}, 'windows');
-        $(value)[0].style.left = coord.left + offsetLeft + 'px';
-        $(value)[0].style.top = coord.top + offsetTop + 'px';
-    });
+
+    if (cm.options.otherCursors) {
+      var others = cm.display.lineSpace.getElementsByClassName('CodeMirror-other-cursor');
+      for (var i = 0, l = others.length; i < l; i++) {
+          var other = others[i];
+          var line = parseInt(other.getAttribute('data-line'));
+          var ch = parseInt(other.getAttribute('data-ch'));
+          var offsetLeft = parseFloat(other.getAttribute('data-offset-left'));
+          var offsetTop = parseFloat(other.getAttribute('data-offset-top'));
+          var coord = cm.charCoords({line: line, ch: ch}, 'windows');
+          other.style.left = coord.left + offsetLeft + 'px';
+          other.style.top = coord.top + offsetTop + 'px';
+      }
+    }
   }
 
   // Draws the given range as a highlighted selection
-- 
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