gistfile1.js

  AtomAdapter.prototype.setOtherCursor = function(cursor, color, clientId) {

    var clazz, css, cursorRange, end, justCursor, start, _ref,
      _this = this;
    if (this.otherCursors == null) {
      this.otherCursors = {};
    }
    cursorRange = this.otherCursors[clientId];

    if (cursorRange) {

      cursorRange.selection.clear();
      editor = atom.workspace.getActiveEditor()
      curs = editor.getCursors();
      for (i=0;curs.length > 0;i++) {
        curs[i].destroy()
      }
    }
    start = this.posFromIndex(cursor.position);
    end = this.posFromIndex(cursor.selectionEnd);

    if (cursor.selectionEnd < cursor.position) {
      _ref = [end, start], start = _ref[0], end = _ref[1];
    }
    clazz = "other-client-selection-" + (color.replace('#', ''));
    justCursor = cursor.position === cursor.selectionEnd;
    if (justCursor) {
      end.column += 1;
      clazz = clazz.replace('selection', 'cursor');
    }


    css = ".atom-text-editor ."+clazz+", atom-text-editor::shadow ."+clazz+" {\n  position: absolute;\n z-index:1; background: " + (justCursor ? 'transparent' : color) + ";\n  border-left: 2px solid " + color + ";\n}";

    this.addStyleRule(css);
    this.otherCursors[clientId] = cursorRange = new Range([start.row, start.column], [end.row, end.column]);
    //cursorRange.start = new Point(start.row, start.column);
    //cursorRange.end = new Point(end.row,end.column);
    cursorRange.id = this.atom.markBufferRange(cursorRange);
    cursorRange.cursor = cursor;
    cursorRange.decoration = this.atom.decorateMarker(cursorRange.id, {type:'line',class:clazz});
    //cursorRange.selection = this.atom.setSelectedBufferRange(cursorRange.id.getBufferRange());
    cursorRange.selection = this.atom.addSelectionForBufferRange(cursorRange.id.getBufferRange());
    return {
      clear: function() {

        editor = atom.workspace.getActiveEditor()
        curs = editor.getCursors();
        for (i=0;curs.length > 0;i++) {
          curs[i].destroy()
        }

        return cursorRange.selection.clear();

      }
    };
  };